.page-contact {
  --pc-line: rgba(217, 212, 196, .22);
  --pc-line-strong: rgba(217, 212, 196, .5);
  --pc-panel: rgba(18, 58, 49, .72);
  --pc-text-soft: rgba(247, 244, 236, .72);
  --pc-text-mid: rgba(247, 244, 236, .84);
  display: block;
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 5vw, 48px) 0 clamp(52px, 9vw, 96px);
  background:
    radial-gradient(130% 100% at 94% -10%, rgba(46, 107, 223, .17), transparent 58%),
    radial-gradient(100% 80% at -6% 108%, rgba(30, 90, 72, .62), transparent 64%),
    var(--ink-900);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: clamp(-90px, -9vw, -40px);
  right: clamp(-130px, -13vw, -40px);
  width: clamp(200px, 40vw, 460px);
  height: clamp(200px, 40vw, 460px);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 240, 42, .1), transparent 66%);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--lime), rgba(200, 240, 42, .18) 46%, transparent 82%);
  opacity: .85;
}

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

.page-contact .contact-hero .breadcrumbs {
  margin-bottom: clamp(26px, 5vw, 44px);
}

.page-contact .hero-index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--lime);
  opacity: .9;
}

.page-contact h1 {
  margin: 16px 0 0;
  max-width: 16em;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(34px, 8.4vw, 76px);
  line-height: 1.04;
  letter-spacing: -.015em;
  color: var(--warm);
}

.page-contact .hero-lede {
  margin: 22px 0 0;
  max-width: 40em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.92;
  color: var(--pc-text-mid);
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* ---------- 章节标题微调 ---------- */

.page-contact .section-head .section-note {
  max-width: 34em;
}

/* ---------- 01 渠道 ---------- */

.page-contact .contact-visual {
  position: relative;
  margin: 0 0 clamp(24px, 4vw, 34px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--pc-line);
  background: var(--ink-700);
}

.page-contact .contact-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 33, 28, .12), rgba(8, 33, 28, .74));
  pointer-events: none;
}

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

.page-contact .channel-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 22px 20px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--pc-line);
  background: linear-gradient(168deg, rgba(30, 90, 72, .48), rgba(8, 33, 28, .92));
  overflow: hidden;
  transition: border-color .24s var(--ease-out), transform .24s var(--ease-out);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--lime), transparent 72%);
  opacity: .85;
}

.page-contact .channel-card:hover {
  border-color: rgba(200, 240, 42, .48);
  transform: translateY(-3px);
}

.page-contact .channel-tag {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(200, 240, 42, .35);
  background: rgba(200, 240, 42, .12);
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
}

.page-contact .channel-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 23px;
  line-height: 1.2;
  color: var(--warm);
}

.page-contact .channel-value {
  margin: 0;
  color: var(--warm);
  line-height: 1.7;
}

.page-contact .channel-value--mono {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .02em;
  word-break: break-word;
}

.page-contact .channel-value--text {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--pc-text-mid);
}

.page-contact .channel-meta {
  display: grid;
  gap: 10px;
  margin: auto 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--pc-line);
}

.page-contact .channel-meta > div {
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.page-contact .channel-meta dt {
  flex: none;
  min-width: 3.4em;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  color: var(--cream);
  opacity: .68;
}

.page-contact .channel-meta dd {
  margin: 0;
  font-size: 13px;
  line-height: 1.78;
  color: var(--pc-text-soft);
}

@media (min-width: 880px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

/* ---------- 02 反馈模板 ---------- */

.page-contact .feedback-layout {
  display: grid;
  gap: 28px;
}

.page-contact .tpl-list {
  display: grid;
  gap: 11px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .tpl-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 16px 14px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--pc-line);
  border-left: 3px solid var(--cream);
  background: rgba(8, 33, 28, .58);
  transition: border-color .2s var(--ease-out), background .2s var(--ease-out);
}

.page-contact .tpl-item:hover {
  border-left-color: var(--lime);
  background: rgba(18, 58, 49, .88);
}

.page-contact .tpl-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--lime);
  padding-top: 3px;
}

.page-contact .tpl-body strong {
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
  font-weight: 600;
  color: var(--warm);
}

.page-contact .tpl-body span {
  display: block;
  font-size: 13.5px;
  line-height: 1.82;
  color: var(--pc-text-soft);
}

.page-contact .feedback-visual {
  margin: 0;
}

.page-contact .feedback-visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--pc-line);
}

.page-contact .feedback-tip {
  margin: 26px 0 0;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  border: 1px dashed rgba(46, 107, 223, .5);
  background: rgba(46, 107, 223, .1);
  font-size: 14px;
  line-height: 1.88;
  color: var(--pc-text-mid);
}

@media (min-width: 940px) {
  .page-contact .feedback-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 46px;
    align-items: start;
  }
}

/* ---------- 03 处理节奏 ---------- */

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

.page-contact .timing-cell {
  padding: 22px 20px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--pc-line);
  background: rgba(8, 33, 28, .62);
}

.page-contact .timing-label {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cream);
  opacity: .7;
}

.page-contact .timing-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 4.2vw, 33px);
  letter-spacing: .01em;
  line-height: 1.15;
  color: var(--lime);
}

.page-contact .timing-cell p {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--pc-text-soft);
}

@media (min-width: 760px) {
  .page-contact .timing-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

/* ---------- 04 合作方向 ---------- */

.page-contact .coop-filter .filter-bar {
  margin-bottom: 24px;
}

.page-contact .coop-grid {
  display: grid;
  gap: 15px;
  grid-template-columns: 1fr;
}

.page-contact .coop-card {
  padding: 20px 18px 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--pc-line);
  background: rgba(8, 33, 28, .6);
  transition: border-color .22s var(--ease-out), background .22s var(--ease-out);
}

.page-contact .coop-card:hover {
  border-color: rgba(200, 240, 42, .45);
  background: rgba(18, 58, 49, .82);
}

.page-contact .coop-card h3 {
  margin: 0 0 9px;
  font-size: 16.5px;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--warm);
}

.page-contact .coop-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--pc-text-soft);
}

.page-contact .coop-filter .empty-hint {
  margin: 0;
  padding: 26px 20px;
  border-radius: var(--radius-md);
  border: 1px dashed var(--pc-line-strong);
  text-align: center;
  font-size: 14px;
  color: var(--pc-text-soft);
}

.page-contact .coop-filter .empty-hint .btn {
  margin-top: 14px;
}

@media (min-width: 700px) {
  .page-contact .coop-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 17px;
  }
}

@media (min-width: 1060px) {
  .page-contact .coop-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 05 来信与寄送 ---------- */

.page-contact .contact-final {
  position: relative;
  padding-bottom: clamp(56px, 8vw, 92px);
}

.page-contact .contact-final::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--lime) 20%, var(--lime) 70%, transparent);
  opacity: .9;
}

.page-contact .mailing-grid {
  display: grid;
  gap: 24px;
}

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

.page-contact .mailing-list li {
  position: relative;
  display: flex;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--pc-line);
  font-size: 14px;
  line-height: 1.88;
  color: var(--pc-text-soft);
}

.page-contact .mailing-list li::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  margin-top: .68em;
  border-radius: 50%;
  background: var(--lime);
}

.page-contact .mailing-panel {
  padding: 24px 20px 26px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--pc-line);
  background: linear-gradient(160deg, rgba(180, 105, 63, .16), rgba(8, 33, 28, .82));
}

.page-contact .mailing-panel h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 21px;
  line-height: 1.25;
  color: var(--warm);
}

.page-contact .mailing-panel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--pc-text-mid);
}

.page-contact .mailing-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--pc-line);
}

.page-contact .mailing-links .text-link {
  font-size: 13.5px;
}

@media (min-width: 880px) {
  .page-contact .mailing-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: 48px;
    align-items: start;
  }
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .tpl-item,
  .page-contact .coop-card {
    transition: none;
  }
  .page-contact .channel-card:hover {
    transform: none;
  }
}