.page-contact {
  --contact-pad: clamp(18px, 5vw, 40px);
  --contact-line-soft: rgba(200, 255, 61, 0.22);
  background: var(--cream);
  color: var(--brown-black);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: var(--contact-pad) 0 clamp(34px, 7vw, 68px);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  background:
    radial-gradient(130% 120% at 6% -12%, #1d5f47 0%, rgba(22, 76, 58, 0) 58%),
    linear-gradient(158deg, var(--night-blue) 0%, var(--ink-green) 100%);
  color: var(--cream);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: -12%;
  right: -12%;
  bottom: -34%;
  height: 62%;
  background: repeating-linear-gradient(90deg, rgba(200, 255, 61, 0.11) 0 2px, transparent 2px 78px);
  transform: skewY(-4deg);
  pointer-events: none;
}

.page-contact .contact-hero-inner {
  position: relative;
  z-index: 1;
  width: min(var(--maxw), 100% - 2 * var(--gutter));
  margin-inline: auto;
}

.page-contact .contact-hero .breadcrumb-list {
  margin: 0 0 6px;
  padding: 0;
}

.page-contact .contact-hero .breadcrumb-item,
.page-contact .contact-hero .breadcrumb-link {
  color: var(--mist);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-contact .contact-hero .breadcrumb-link:hover,
.page-contact .contact-hero .breadcrumb-link:focus-visible {
  color: var(--lime);
}

.page-contact .hero-body {
  display: grid;
  gap: 26px;
  margin-top: 20px;
}

.page-contact .page-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 9vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .lede {
  max-width: 46ch;
  margin: 16px 0 0;
  font-size: clamp(1rem, 2.6vw, 1.08rem);
  line-height: 1.75;
  color: var(--cream-soft);
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-contact .hero-facts {
  display: grid;
  gap: 12px;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(157, 183, 174, 0.22);
}

.page-contact .fact {
  padding-left: 14px;
  border-left: 2px solid var(--lime);
}

.page-contact .fact-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1.3;
  color: var(--lime);
}

.page-contact .fact-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* ---------- 反馈台 ---------- */
.page-contact .contact-desk {
  padding-block: clamp(38px, 7vw, 72px);
  background: var(--cream);
}

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

.page-contact .channel-media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--pitch-green);
}

.page-contact .channel-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.page-contact .channel-card {
  margin-top: 16px;
  padding: clamp(20px, 4vw, 30px);
  border-radius: var(--radius-lg);
  background: var(--ink-green);
  color: var(--cream);
  box-shadow: var(--shadow-float);
}

.page-contact .channel-title {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 4.4vw, 1.9rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .channel-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .channel-item {
  padding: 14px 0;
  border-top: 1px dashed var(--line-cool);
}

.page-contact .channel-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .channel-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-contact .channel-value {
  display: block;
  margin-top: 4px;
  font-size: 1rem;
  color: var(--white);
  word-break: break-word;
}

.page-contact .channel-value--mono {
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 3.4vw, 1.12rem);
  letter-spacing: 0.01em;
  word-break: break-all;
}

.page-contact .channel-hint {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  color: var(--mist);
}

.page-contact .feedback-panel {
  padding: clamp(20px, 4vw, 34px);
  border-radius: var(--radius-lg);
  background: var(--cream-card);
  border: 1px solid var(--line-paper);
  box-shadow: var(--shadow-card);
}

.page-contact .panel-title {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 5vw, 2.15rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--brown-black);
}

.page-contact .panel-text {
  margin: 10px 0 0;
  font-size: 14.5px;
  color: var(--ink-soft);
}

.page-contact .type-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.page-contact .tab {
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-paper);
  background: transparent;
  color: var(--ink-soft);
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.04em;
  line-height: 1.2;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-contact .tab:hover {
  border-color: var(--pitch-green);
  color: var(--brown-black);
}

.page-contact .tab:focus-visible {
  outline: 2px solid var(--pitch-green);
  outline-offset: 2px;
}

.page-contact .tab[aria-selected="true"] {
  background: var(--ink-green);
  border-color: var(--ink-green);
  color: var(--lime);
}

.page-contact .tab-panel {
  display: none;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line-paper);
}

.page-contact .tab-panel.is-on {
  display: block;
}

.page-contact .panel-lead {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--brown-black);
}

.page-contact .tip-list {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .tip-list li {
  position: relative;
  margin-top: 8px;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-contact .tip-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.68em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--pitch-green);
}

.page-contact .panel-foot {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-paper);
  font-size: 13.5px;
  color: var(--ink-soft);
}

.page-contact .inline-link {
  color: var(--pitch-green);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-contact .inline-link:hover {
  color: var(--card-red);
}

/* ---------- 数据问题说明 ---------- */
.page-contact .data-help {
  padding-block: clamp(38px, 7vw, 72px);
  background: var(--cream-card);
}

.page-contact .sec-head {
  max-width: 62ch;
  margin-bottom: clamp(22px, 4vw, 34px);
}

.page-contact .sec-title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.7rem, 5.4vw, 2.8rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--brown-black);
}

.page-contact .sec-lede {
  margin: 12px 0 0;
  font-size: 15px;
  color: var(--ink-soft);
}

.page-contact .split {
  display: grid;
  gap: 26px;
}

.page-contact .check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.page-contact .check-item {
  position: relative;
  counter-increment: step;
  padding: 16px 0 16px 58px;
  border-top: 1px solid var(--line-paper);
}

.page-contact .check-item:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .check-item::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 16px;
  display: grid;
  place-items: center;
  width: 40px;
  height: 26px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-paper);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--pitch-green);
}

.page-contact .check-item:first-child::before {
  top: 0;
}

.page-contact .check-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--brown-black);
}

.page-contact .check-text {
  margin: 4px 0 0;
  font-size: 14px;
  color: var(--ink-soft);
}

.page-contact .aside-stack {
  display: grid;
  gap: 16px;
}

.page-contact .aside-media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-green);
}

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

.page-contact .slip-card {
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px dashed var(--line-paper);
  background: var(--cream);
}

.page-contact .slip-kicker {
  margin: 0 0 4px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--pitch-green);
}

.page-contact .slip-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-top: 12px;
}

.page-contact .slip-label {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.page-contact .slip-fill {
  flex: 1;
  height: 1.1em;
  border-bottom: 1px dotted var(--line-paper);
}

.page-contact .timing-note {
  margin: 0;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--card-yellow);
  background: rgba(242, 183, 5, 0.15);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--brown-black);
}

/* ---------- 合作 ---------- */
.page-contact .partner-sec {
  padding-block: clamp(38px, 7vw, 72px);
  background: var(--ink-green);
  color: var(--cream);
}

.page-contact .partner-grid {
  display: grid;
  gap: 26px;
}

.page-contact .partner-sec .sec-title {
  color: var(--white);
}

.page-contact .partner-lede {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cream-soft);
}

.page-contact .partner-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .partner-list li {
  position: relative;
  padding: 10px 0 10px 20px;
  border-top: 1px dashed var(--line-cool);
  font-size: 14px;
  color: var(--cream-soft);
}

.page-contact .partner-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .partner-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 1.15em;
  width: 8px;
  height: 2px;
  background: var(--lime);
}

.page-contact .partner-list li:first-child::before {
  top: 0.95em;
}

.page-contact .partner-mail {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--cream-soft);
}

.page-contact .partner-mail-value {
  display: inline-block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 3.4vw, 1.1rem);
  color: var(--lime);
  word-break: break-all;
}

.page-contact .partner-stat {
  padding: clamp(20px, 4vw, 30px);
  border-radius: var(--radius-lg);
  background: var(--pitch-green);
  border: 1px solid var(--contact-line-soft);
}

.page-contact .partner-stat .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(3rem, 12vw, 4.6rem);
  line-height: 1;
  color: var(--lime);
}

.page-contact .partner-stat .stat-label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-contact .partner-stat-text {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--cream-soft);
}

.page-contact .partner-stat-foot {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-cool);
  font-size: 13px;
  color: var(--mist);
}

/* ---------- 提交前 ---------- */
.page-contact .before-send {
  padding-block: clamp(38px, 7vw, 72px);
  background: var(--cream);
}

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

.page-contact .preflight li {
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background: var(--cream-card);
  border: 1px solid var(--line-paper);
  border-top: 3px solid var(--pitch-green);
}

.page-contact .preflight-key {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--brown-black);
}

.page-contact .preflight p {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--ink-soft);
}

.page-contact .mailbox-strip {
  display: grid;
  gap: 6px;
  margin-top: 26px;
  padding: 22px clamp(18px, 4vw, 30px);
  border-radius: var(--radius-lg);
  background: var(--night-blue);
  color: var(--cream);
}

.page-contact .mailbox-label {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-contact .mailbox-value {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3.8vw, 1.35rem);
  color: var(--lime);
  word-break: break-all;
}

.page-contact .mailbox-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--cream-soft);
}

.page-contact .link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .preflight {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .hero-body {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    align-items: end;
    gap: 44px;
  }

  .page-contact .desk-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 30px;
    align-items: start;
  }

  .page-contact .split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 40px;
    align-items: start;
  }

  .page-contact .partner-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 40px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .tab,
  .page-contact .inline-link {
    transition: none;
  }
}