.page-contact {
  --cc-radius: var(--r-xl);
  --cc-card-bg: linear-gradient(158deg, var(--ink-700) 0%, var(--ink-800) 62%, var(--ink-800) 100%);
}

/* ── 首屏 ───────────────────────────────── */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 5vw, 44px) 0 clamp(36px, 7vw, 76px);
  background: var(--ink-900);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .contact-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
  filter: saturate(.45) contrast(1.08) brightness(.9);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(53, 224, 208, .16), transparent 58%),
    linear-gradient(180deg, rgba(7, 19, 15, .34) 0%, rgba(7, 19, 15, .84) 60%, var(--ink-900) 100%);
}

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

.page-contact .contact-hero__title {
  margin: 12px 0 0;
  max-width: 16ch;
}

.page-contact .contact-hero__lead {
  margin: 18px 0 22px;
  max-width: 44ch;
  font-size: var(--fs-17);
  line-height: 1.85;
  color: var(--mute-dark);
}

/* ── 左信息卡 + 右反馈清单 ───────────────── */
.page-contact .contact-floor {
  display: grid;
  gap: var(--gap);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 900px) {
  .page-contact .contact-floor {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }
}

.page-contact .contact-card {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 40px);
  border-radius: var(--cc-radius);
  border: 1px solid var(--line);
  background: var(--cc-card-bg);
  box-shadow: var(--shadow-card);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(53, 224, 208, .055) 0 1px, transparent 1px 58px),
    repeating-linear-gradient(0deg, rgba(53, 224, 208, .045) 0 1px, transparent 1px 58px);
}

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

.page-contact .contact-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

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

.page-contact .contact-item__k {
  font-size: var(--fs-12);
  letter-spacing: .18em;
  color: var(--mute-dark);
}

.page-contact .contact-value {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3.2vw, 1.375rem);
  line-height: 1.45;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .contact-value--hot {
  color: var(--score);
}

.page-contact .contact-value--mail {
  word-break: break-all;
  color: var(--cyan);
}

.page-contact .contact-value--addr {
  font-family: var(--font-sans);
  font-size: var(--fs-15);
  line-height: 1.8;
  font-weight: 500;
}

.page-contact .contact-tip {
  margin: 20px 0 0;
  font-size: var(--fs-13);
  line-height: 1.85;
  color: var(--mute-dark);
}

.page-contact .contact-grid-bg {
  margin-top: 22px;
  height: 106px;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 14px 18px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line-soft);
  background:
    radial-gradient(circle at 76% 28%, rgba(53, 224, 208, .22), transparent 46%),
    repeating-radial-gradient(circle at 28% 120%, rgba(255, 154, 60, .14) 0 1px, transparent 1px 28px),
    linear-gradient(120deg, var(--ink-800), var(--ink-700));
}

.page-contact .contact-grid-bg__label {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .2em;
  color: var(--mute-dark);
}

/* 纸面反馈卡 */
.page-contact .fb-card {
  padding: clamp(22px, 4vw, 40px);
  border-radius: var(--cc-radius);
  background: var(--paper);
  color: var(--ink-900);
  box-shadow: var(--shadow-card);
}

.page-contact .fb-card .ig-eyebrow {
  color: var(--cyan-deep);
}

.page-contact .fb-card .ig-h2 {
  margin: 10px 0 0;
  color: var(--ink-900);
}

.page-contact .check-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .check-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  border-radius: var(--r-md);
  border-left: 2px solid transparent;
  background: rgba(14, 42, 34, .06);
  font-size: var(--fs-15);
  line-height: 1.75;
  color: var(--ink-800);
  transition: background .3s var(--ease), border-color .3s var(--ease);
}

.page-contact .check-item:hover {
  background: rgba(14, 42, 34, .11);
  border-left-color: var(--score-deep);
}

.page-contact .check-item__no {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--score-deep);
}

.page-contact .fb-card__note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-paper);
  font-size: var(--fs-13);
  line-height: 1.8;
  color: var(--mute-paper);
}

/* ── 处理流程 ───────────────────────────── */
.page-contact .process-grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  grid-template-columns: minmax(0, 1fr);
}

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

.page-contact .steps {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
  margin-top: 26px;
}

@media (min-width: 540px) {
  .page-contact .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .step {
  padding: 20px 18px 22px;
  border-radius: var(--r-lg);
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  transition: border-color .3s var(--ease), background .3s var(--ease), transform .3s var(--ease);
}

.page-contact .step:hover {
  border-color: var(--line-strong);
  background: var(--ink-700);
  transform: translateY(-3px);
}

.page-contact .step__dot {
  display: block;
  width: 9px;
  height: 9px;
  margin-bottom: 14px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 5px rgba(53, 224, 208, .14);
}

.page-contact .step__idx {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--score);
}

.page-contact .step .ig-h3 {
  margin: 0 0 8px;
}

.page-contact .step p {
  margin: 0;
  font-size: var(--fs-15);
  line-height: 1.8;
  color: var(--mute-dark);
}

.page-contact .process-media {
  margin: 0;
}

.page-contact .process-media img {
  border-radius: var(--r-lg);
}

/* ── 合作与内容对接（纸面） ───────────────── */
.page-contact .partner-head {
  max-width: 64ch;
}

.page-contact .partner-head .ig-prose {
  color: var(--ink-800);
}

.page-contact .partner-grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(24px, 4vw, 40px);
}

@media (min-width: 760px) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .partner-card {
  padding: 24px 22px 26px;
  border-radius: var(--r-lg);
  background: var(--paper-3);
  border: 1px solid var(--line-paper);
  border-top: 3px solid var(--cyan-deep);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}

.page-contact .partner-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 42px -28px rgba(7, 19, 15, .62);
}

.page-contact .partner-card .ig-h3 {
  margin: 0 0 10px;
  color: var(--ink-900);
}

.page-contact .partner-card p {
  margin: 0;
  font-size: var(--fs-15);
  line-height: 1.8;
  color: var(--mute-paper);
}

.page-contact .partner-ask {
  margin-top: clamp(24px, 4vw, 40px);
  padding: clamp(20px, 3vw, 32px);
  border-radius: var(--r-lg);
  background: var(--paper-2);
  border-left: 4px solid var(--score-deep);
}

.page-contact .partner-ask .ig-h3 {
  margin: 0 0 16px;
  color: var(--ink-900);
}

.page-contact .partner-ask ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 700px) {
  .page-contact .partner-ask ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .partner-ask li {
  position: relative;
  padding-left: 20px;
  font-size: var(--fs-15);
  line-height: 1.75;
  color: var(--ink-800);
}

.page-contact .partner-ask li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--score-deep);
  transform: rotate(45deg);
}

/* ── 快速入口 ───────────────────────────── */
.page-contact .quick-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
  margin-top: 26px;
}

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

.page-contact .quick-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border-radius: var(--r-lg);
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  color: var(--paper);
  font-size: var(--fs-15);
  line-height: 1.6;
  text-decoration: none;
  transition: border-color .3s var(--ease), background .3s var(--ease), transform .3s var(--ease);
}

.page-contact .quick-link:hover {
  border-color: var(--line-strong);
  background: var(--ink-700);
  transform: translateY(-2px);
}

.page-contact .quick-link__go {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  color: var(--cyan);
  white-space: nowrap;
}

@media (max-width: 420px) {
  .page-contact .quick-link {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}