.page-contact {
  --cc-line: rgba(233, 243, 252, .14);
  --cc-line-soft: rgba(233, 243, 252, .08);
  --cc-gap: clamp(20px, 3.5vw, 36px);
  display: block;
  padding-bottom: clamp(44px, 6vw, 84px);
}

.page-contact a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 首屏：窄幅深色横幅承载联系渠道 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-top: clamp(22px, 3.6vw, 38px);
  padding-bottom: clamp(36px, 5vw, 68px);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  opacity: .32;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(118deg, rgba(6, 23, 38, .97) 0%, rgba(6, 23, 38, .84) 46%, rgba(18, 63, 107, .5) 100%),
    radial-gradient(60% 80% at 88% 12%, rgba(255, 107, 26, .16) 0%, rgba(255, 107, 26, 0) 70%);
  pointer-events: none;
}

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

.page-contact .breadcrumb__link,
.page-contact .breadcrumb__current {
  color: var(--mist);
  font-size: 13px;
}

.page-contact .breadcrumb__link:hover {
  color: var(--orange-soft);
}

.page-contact .contact-hero .section-kicker {
  margin-top: clamp(16px, 2.6vw, 26px);
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .18em;
}

.page-contact .contact-hero h1 {
  margin: 12px 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, 58px);
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .contact-hero .lede {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

/* 渠道三行：等宽数字逐行排列 */
.page-contact .channel-list {
  list-style: none;
  margin: clamp(26px, 4vw, 46px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-contact .channel {
  min-width: 0;
  padding: 18px 0 20px;
  border-top: 1px solid var(--cc-line);
}

.page-contact .channel__label {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-contact .channel__label::before {
  content: "";
  width: 6px;
  height: 6px;
  flex: none;
  background: var(--orange);
  transform: rotate(45deg);
}

.page-contact .channel__value {
  display: block;
  margin-top: 11px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(16px, 2vw, 21px);
  letter-spacing: .02em;
  line-height: 1.45;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .channel__value--text {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.7vw, 18px);
  letter-spacing: 0;
  line-height: 1.7;
}

.page-contact .channel__note {
  margin: 9px 0 0;
  max-width: 36ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 建议材料：编号清单 ---------- */
.page-contact .contact-materials {
  background: linear-gradient(180deg, rgba(12, 39, 64, 0) 0%, rgba(12, 39, 64, .6) 26%, rgba(12, 39, 64, 0) 100%);
}

.page-contact .material-list {
  list-style: none;
  margin: clamp(24px, 3.6vw, 42px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .material {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 20px 22px 22px;
  background: var(--ink-850);
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
  box-shadow: inset 2px 0 0 0 rgba(255, 107, 26, .28);
  transition: background var(--dur) ease, box-shadow var(--dur) ease, transform var(--dur) ease;
}

.page-contact .material:hover {
  background: var(--ink-800);
  box-shadow: inset 2px 0 0 0 var(--orange);
  transform: translateY(-2px);
}

.page-contact .material__num {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--orange-soft);
  border: 1px solid rgba(255, 163, 92, .42);
  background: rgba(255, 107, 26, .08);
}

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

.page-contact .material__title {
  margin: 5px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .material__text {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--mist);
}

/* ---------- 响应与跟进 ---------- */
.page-contact .split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

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

.page-contact .fact-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .fact {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  font-size: 15px;
  line-height: 1.76;
  color: var(--mist);
}

.page-contact .fact__dot {
  width: 7px;
  height: 7px;
  margin-top: 9px;
  flex: none;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-contact .contact-figure {
  margin: 0;
  min-width: 0;
}

.page-contact .contact-figure__frame {
  position: relative;
  overflow: hidden;
  background: var(--ink-800);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-contact .contact-figure__frame::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 14%;
  width: 48%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(47, 230, 198, 0));
  transform: skewY(-6deg);
  opacity: .85;
}

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

.page-contact .contact-figure__caption {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--mist);
}

/* ---------- 合作与投稿 ---------- */
.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(24px, 3.6vw, 42px);
}

.page-contact .partner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: clamp(22px, 3vw, 34px);
  background: linear-gradient(160deg, rgba(18, 63, 107, .58) 0%, rgba(12, 39, 64, .92) 55%, rgba(6, 23, 38, .96) 100%);
  clip-path: polygon(20px 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%, 0 20px);
  transition: background var(--dur) ease;
}

.page-contact .partner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(255, 107, 26, .16) 0%, rgba(255, 107, 26, 0) 62%);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) ease;
}

.page-contact .partner:hover::before {
  opacity: 1;
}

.page-contact .partner > * {
  position: relative;
  z-index: 1;
}

.page-contact .partner__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--amber);
}

.page-contact .partner__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.5vw, 26px);
  line-height: 1.28;
  letter-spacing: -.015em;
  color: var(--paper);
}

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

.page-contact .partner .btn {
  margin-top: 6px;
}

/* ---------- 底部指路条 ---------- */
.page-contact .contact-assist {
  margin-top: clamp(34px, 5vw, 64px);
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--cc-line-soft);
  display: grid;
  gap: 16px;
}

.page-contact .contact-assist__text {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .contact-assist__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
}

.page-contact .contact-assist__links a {
  display: inline-block;
  font-size: 15px;
  color: var(--orange-soft);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(255, 163, 92, .36);
  transition: color var(--dur) ease, border-color var(--dur) ease;
}

.page-contact .contact-assist__links a:hover {
  color: var(--orange);
  border-color: var(--orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .material-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 860px) {
  .page-contact .channel-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--cc-line);
    padding-top: 2px;
  }

  .page-contact .channel {
    border-top: 0;
    padding: 22px 26px 24px 0;
  }

  .page-contact .channel + .channel {
    padding-left: 28px;
    border-left: 1px solid var(--cc-line);
  }
}

@media (min-width: 900px) {
  .page-contact .split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-contact .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .material,
  .page-contact .partner,
  .page-contact .partner::before,
  .page-contact .contact-assist__links a {
    transition: none;
  }

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