.page-contact {
  --pc-panel: rgba(19, 28, 74, 0.68);
  --pc-panel-soft: rgba(19, 28, 74, 0.42);
  --pc-shadow: 5px 5px 0 rgba(6, 10, 28, 0.55);
  --pc-shadow-lift: 9px 11px 0 rgba(6, 10, 28, 0.62);
  --pc-ink-on-paper: #16204a;
  color: var(--text);
  background:
    radial-gradient(110% 52% at 88% -6%, rgba(55, 224, 214, 0.10), transparent 62%),
    radial-gradient(90% 52% at -8% 34%, rgba(122, 75, 209, 0.13), transparent 66%),
    var(--ink-900);
  overflow-x: hidden;
}

.page-contact a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  padding: 22px 0 4px;
  font-size: 13px;
  letter-spacing: 0.02em;
}

.page-contact .crumbs a {
  color: var(--muted);
  text-decoration: none;
}

.page-contact .crumbs a:hover {
  color: var(--cyan);
}

.page-contact .crumbs span[aria-current="page"] {
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-contact .hero {
  position: relative;
  padding: 16px 0 42px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .hero__wedge {
  display: none;
}

.page-contact .hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 26px;
}

.page-contact .eyebrow {
  display: inline-block;
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact h1 {
  margin: 6px 0 14px;
  font-size: clamp(30px, 7.2vw, 46px);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -0.015em;
}

.page-contact .hero__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .hero__facts li {
  padding: 12px 12px 14px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: var(--pc-panel-soft);
}

.page-contact .hero__facts b {
  display: block;
  font-size: 24px;
  line-height: 1.1;
  color: var(--cyan);
}

.page-contact .hero__facts span {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted);
}

/* 快捷联系卡 */
.page-contact .quick {
  position: relative;
  padding: 24px 20px 22px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(30, 42, 107, 0.88), rgba(19, 28, 74, 0.72));
  box-shadow: var(--pc-shadow-lift);
}

.page-contact .quick::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 68px;
  height: 3px;
  background: var(--amber);
}

.page-contact .quick__label {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-contact .quick__list {
  margin: 14px 0 0;
}

.page-contact .quick__list dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .quick__list dd {
  margin: 3px 0 14px;
  font-size: 15px;
  color: var(--text);
  word-break: break-all;
}

.page-contact .quick__hint {
  margin: 0 0 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line-strong);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .quick .btn {
  display: inline-block;
}

/* ---------- 章节索引条 ---------- */
.page-contact .pc-rail {
  border-bottom: 1px solid var(--line);
  background: rgba(11, 18, 51, 0.7);
}

.page-contact .pc-rail ul {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 10px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-contact .pc-rail li {
  flex: 0 0 auto;
}

.page-contact .pc-rail a {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .pc-rail a:hover,
.page-contact .pc-rail a.is-active,
.page-contact .pc-rail a[aria-current="location"] {
  color: var(--ink-900);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 通用区块 ---------- */
.page-contact .section {
  padding: 52px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .section--submit {
  border-bottom: 0;
}

.page-contact .section__head {
  max-width: 68ch;
  margin-bottom: 26px;
}

.page-contact h2 {
  margin: 8px 0 10px;
  font-size: clamp(23px, 4.6vw, 31px);
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .section__lead {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .section__more {
  margin: 14px 0 0;
}

.page-contact .link-more {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 224, 214, 0.36);
  padding-bottom: 2px;
}

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

.page-contact .note {
  margin: 14px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--line-strong);
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 01 联系渠道 ---------- */
.page-contact .channels {
  display: grid;
  gap: 26px;
}

.page-contact .channels__stack {
  display: grid;
  gap: 18px;
}

.page-contact .card {
  position: relative;
  padding: 22px 20px;
  border: 1px solid var(--line-strong);
  background: var(--pc-panel);
  box-shadow: var(--pc-shadow);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .card:hover {
  transform: translateY(-2px);
  box-shadow: var(--pc-shadow-lift);
}

.page-contact .card--mail {
  border-left: 3px solid var(--cyan);
}

.page-contact .card--phone {
  border-left: 3px solid var(--amber);
}

.page-contact .card--form {
  border-left: 3px solid var(--violet);
}

.page-contact .card__index {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-contact .card h3 {
  margin: 6px 0 6px;
  font-size: 20px;
  line-height: 1.3;
}

.page-contact .card__value {
  margin: 0 0 12px;
  font-size: 15px;
  color: var(--amber);
  word-break: break-all;
}

.page-contact .card--mail .card__value {
  color: var(--cyan);
}

.page-contact .card--form .card__value {
  color: var(--violet);
}

.page-contact .card p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .card__meta {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-contact .channels__aside {
  align-self: start;
}

.page-contact .frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

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

.page-contact .frame--pc-3x2 {
  aspect-ratio: 14 / 9;
}

.page-contact .frame--pc-wide {
  aspect-ratio: 16 / 7;
}

/* ---------- 02 合作方向 ---------- */
.page-contact .coop__media {
  margin-bottom: 30px;
}

.page-contact .coop__grid {
  display: grid;
  gap: 20px;
}

.page-contact .coop {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px 20px 22px;
  border: 1px solid var(--line-strong);
  background: var(--pc-panel);
}

.page-contact .coop::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
}

.page-contact .coop--violet {
  background: linear-gradient(180deg, rgba(122, 75, 209, 0.22), rgba(19, 28, 74, 0.66) 58%);
}

.page-contact .coop--violet::before {
  background: var(--violet);
}

.page-contact .coop--teal {
  background: linear-gradient(180deg, rgba(15, 118, 110, 0.26), rgba(19, 28, 74, 0.66) 58%);
}

.page-contact .coop--teal::before {
  background: var(--teal);
}

.page-contact .coop--wine {
  background: linear-gradient(180deg, rgba(176, 36, 90, 0.24), rgba(19, 28, 74, 0.66) 58%);
}

.page-contact .coop--wine::before {
  background: var(--wine);
}

.page-contact .coop__idx {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-contact .coop h3 {
  margin: 8px 0 12px;
  font-size: 19px;
  line-height: 1.32;
}

.page-contact .coop > p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text);
}

.page-contact .coop__fit {
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
  color: var(--muted) !important;
}

.page-contact .coop__fit .mono {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 6px;
  border: 1px solid var(--line-strong);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .coop__steps {
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .coop__steps li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
}

.page-contact .coop__steps b {
  padding-top: 3px;
  font-size: 12px;
  font-weight: 400;
  color: var(--cyan);
}

/* ---------- 03 提交前准备 ---------- */
.page-contact .prep {
  display: grid;
  gap: 14px;
}

.page-contact .prep__item {
  padding: 18px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  background: var(--pc-panel-soft);
}

.page-contact .prep__item--amber {
  border-top-color: var(--amber);
}

.page-contact .prep__num {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .prep__item--amber .prep__num {
  color: var(--amber);
}

.page-contact .prep__item h3 {
  margin: 8px 0 6px;
  font-size: 16px;
  line-height: 1.4;
}

.page-contact .prep__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 04 响应节奏 ---------- */
.page-contact .resp {
  border-top: 1px solid var(--line-strong);
}

.page-contact .resp__row {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .resp__key {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

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

/* ---------- 05 来访信息 ---------- */
.page-contact .visit__grid {
  display: grid;
  gap: 22px;
}

.page-contact .paper-card {
  padding: 24px 22px;
  background: var(--paper);
  color: var(--pc-ink-on-paper);
  border: 1px solid rgba(11, 18, 51, 0.4);
  box-shadow: 12px 12px 0 rgba(245, 241, 230, 0.12);
}

.page-contact .paper-card__label {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: #5a648c;
}

.page-contact .paper-card__addr {
  margin: 12px 0 12px;
  font-size: 18px;
  line-height: 1.55;
  font-weight: 700;
  color: var(--pc-ink-on-paper);
}

.page-contact .paper-card__note {
  margin: 0 0 18px;
  padding-top: 12px;
  border-top: 1px dashed rgba(11, 18, 51, 0.25);
  font-size: 13.5px;
  line-height: 1.75;
  color: #3c4670;
}

.page-contact .paper-card__btn {
  display: inline-block;
  border-color: var(--pc-ink-on-paper);
  color: var(--pc-ink-on-paper);
}

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

.page-contact .visit__tips li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 4px 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-contact .visit__tips b {
  grid-row: span 2;
  padding-top: 4px;
  font-size: 12px;
  font-weight: 400;
  color: var(--amber);
}

.page-contact .visit__tips h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.4;
}

.page-contact .visit__tips p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 06 站内表单 ---------- */
.page-contact .submit__grid {
  display: grid;
  gap: 18px;
}

.page-contact .submit-card {
  display: flex;
  flex-direction: column;
  padding: 22px 20px 18px;
  border: 1px dashed var(--line-strong);
  background: var(--pc-panel-soft);
}

.page-contact .submit-card .tag {
  align-self: flex-start;
}

.page-contact .submit-card h3 {
  margin: 12px 0 10px;
  font-size: 17px;
  line-height: 1.4;
}

.page-contact .submit-card ul {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .submit-card li {
  position: relative;
  padding-left: 20px;
  font-size: 13.5px;
  line-height: 1.62;
  color: var(--muted);
}

.page-contact .submit-card li::before {
  content: "—";
  position: absolute;
  left: 0;
  font-family: var(--font-mono);
  color: var(--amber);
}

.page-contact .submit-card__foot {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-contact .submit__foot {
  margin-top: 26px;
  padding: 22px 20px;
  border: 1px solid var(--line-strong);
  border-left: 4px solid var(--amber);
  background: linear-gradient(120deg, rgba(255, 177, 60, 0.12), rgba(19, 28, 74, 0.5) 62%);
}

.page-contact .submit__foot p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text);
}

.page-contact .submit__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 16px !important;
}

/* ---------- 悬浮跳转条 ---------- */
.page-contact .pc-bar {
  display: none;
}

/* ---------- 中屏 ---------- */
@media (min-width: 700px) {
  .page-contact .hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-contact .card--layer-1 {
    margin-right: 26px;
  }

  .page-contact .card--layer-2 {
    margin-left: 16px;
    margin-right: 10px;
  }

  .page-contact .card--layer-3 {
    margin-left: 32px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-contact .hero {
    padding: 26px 0 58px;
  }

  .page-contact .hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 46px;
    align-items: start;
  }

  .page-contact .hero__wedge {
    display: block;
    position: absolute;
    top: 0;
    right: -8%;
    width: 52%;
    height: 100%;
    background: linear-gradient(150deg, rgba(30, 42, 107, 0.95), rgba(11, 18, 51, 0) 78%);
    clip-path: polygon(28% 0, 100% 0, 100% 100%, 0 64%);
    pointer-events: none;
  }

  .page-contact .section {
    padding: 68px 0;
  }

  .page-contact .channels {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 38px;
  }

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

  .page-contact .coop__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .prep {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .resp__row {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 28px;
    align-items: baseline;
    padding: 20px 0;
  }

  .page-contact .visit__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 36px;
  }

  .page-contact .submit__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 1100px) {
  .page-contact .pc-bar {
    display: flex;
    gap: 6px;
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 20;
    padding: 6px;
    border: 1px solid var(--line-strong);
    background: rgba(11, 18, 51, 0.94);
    box-shadow: var(--pc-shadow);
  }

  .page-contact .pc-bar a {
    padding: 7px 11px;
    border: 1px solid transparent;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.04em;
    color: var(--muted);
    text-decoration: none;
    transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
  }

  .page-contact .pc-bar a:hover,
  .page-contact .pc-bar a:focus-visible {
    color: var(--ink-900);
    background: var(--cyan);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .card,
  .page-contact .pc-rail a,
  .page-contact .pc-bar a {
    transition: none;
  }

  .page-contact .card:hover {
    transform: none;
  }
}