.page-contact {
  --pc-line: rgba(32, 48, 79, 0.62);
  --pc-soft: rgba(40, 224, 168, 0.12);
  position: relative;
  isolation: isolate;
  padding-bottom: clamp(48px, 7vw, 88px);
  overflow-x: clip;
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(var(--pc-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--pc-line) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.14) 55%, transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.14) 55%, transparent 88%);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  padding: clamp(20px, 3.4vw, 42px) 0 clamp(34px, 5vw, 68px);
}

.page-contact .contact-hero__body {
  position: relative;
  padding-left: clamp(16px, 2vw, 26px);
  border-left: 2px solid var(--cyan);
}

.page-contact h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 5.6vw, 54px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: 0.01em;
  color: var(--ink);
  margin: clamp(10px, 1.6vw, 16px) 0 clamp(14px, 2vw, 20px);
  text-wrap: balance;
}

.page-contact .contact-hero__lede {
  max-width: 42ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .contact-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-contact .contact-hero__figure {
  margin: 0;
}

/* ---------- 章节带 ---------- */
.page-contact .contact-band {
  position: relative;
  padding: clamp(36px, 5.5vw, 72px) 0;
  border-top: 1px solid var(--grid);
}

.page-contact h2 {
  font-family: var(--font-display);
  font-size: clamp(23px, 3.3vw, 36px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: 0.01em;
  color: var(--ink);
  margin: 8px 0 0;
}

/* ---------- 渠道卡 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: clamp(24px, 3vw, 38px);
  background: var(--grid);
  border: 1px solid var(--grid);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 2.6vw, 32px);
  background: var(--panel);
  transition: background 0.28s ease;
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--cyan);
}

.page-contact .channel-card--phone::before {
  background: var(--live);
}

.page-contact .channel-card--visit::before {
  background: var(--amber);
}

.page-contact .channel-card:hover {
  background: var(--raise);
}

.page-contact .channel-card__index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-contact .channel-card__title {
  font-family: var(--font-display);
  font-size: clamp(17px, 1.8vw, 21px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
  margin: 0;
}

.page-contact .channel-card__value {
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.3vw, 15px);
  line-height: 1.65;
  color: var(--ink);
  word-break: break-word;
  margin: 0;
}

.page-contact .channel-card__value a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(40, 224, 168, 0.5);
  padding-bottom: 1px;
}

.page-contact .channel-card__value a:hover {
  border-bottom-style: solid;
}

.page-contact .channel-card__use {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  margin: 0;
  flex: 1 1 auto;
}

.page-contact .channel-card__time {
  margin: 4px 0 0;
}

/* ---------- 咨询类型筛选 ---------- */
.page-contact .chip-result {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  align-self: center;
}

.page-contact .need-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2vw, 22px);
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-contact .need-card {
  position: relative;
  padding: clamp(20px, 2.4vw, 28px);
  background: linear-gradient(180deg, var(--panel) 0%, rgba(22, 32, 58, 0.72) 100%);
  border: 1px solid var(--grid);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.page-contact .need-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent 78%);
}

.page-contact .need-card--api::after {
  background: linear-gradient(90deg, var(--link), transparent 78%);
}

.page-contact .need-card--fix::after {
  background: linear-gradient(90deg, var(--live), transparent 78%);
}

.page-contact .need-card__kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan);
  margin: 0 0 8px;
}

.page-contact .need-card--api .need-card__kicker {
  color: var(--link);
}

.page-contact .need-card--fix .need-card__kicker {
  color: var(--live);
}

.page-contact .need-card__title {
  font-family: var(--font-display);
  font-size: clamp(17px, 1.9vw, 22px);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
  margin: 0 0 10px;
}

.page-contact .need-card__lead {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  margin: 0 0 16px;
}

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

.page-contact .need-card__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .need-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .need-card--api .need-card__list li::before {
  background: var(--link);
}

.page-contact .need-card--fix .need-card__list li::before {
  background: var(--live);
}

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

.page-contact .prep-slip {
  margin-top: clamp(20px, 2.6vw, 30px);
  padding: clamp(16px, 2vw, 22px) clamp(18px, 2.4vw, 26px);
  background: var(--panel);
  border: 1px dashed var(--grid);
  border-radius: var(--radius-card);
}

.page-contact .prep-slip > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: clamp(15px, 1.6vw, 18px);
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-contact .prep-slip > summary::-webkit-details-marker {
  display: none;
}

.page-contact .prep-slip > summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .prep-slip[open] > summary::before {
  content: "–";
}

.page-contact .prep-slip__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .prep-slip__list li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .prep-slip__list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--link);
  font-size: 12px;
}

/* ---------- 响应节奏 ---------- */
.page-contact .contact-response__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.5vw, 46px);
}

.page-contact .contact-response__lede {
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
  margin: 16px 0 0;
}

.page-contact .shift-band-wrap {
  margin-top: clamp(22px, 2.8vw, 32px);
  padding: clamp(18px, 2.2vw, 26px);
  background: var(--panel);
  border: 1px solid var(--grid);
  border-radius: var(--radius-card);
}

.page-contact .shift-band {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 3px;
}

.page-contact .shift-band__slot {
  position: relative;
  padding-top: 24px;
  text-align: center;
}

.page-contact .shift-band__slot::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  border-radius: 2px;
  background: var(--raise);
}

.page-contact .shift-band__slot.is-open::before {
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(40, 224, 168, 0.35);
}

.page-contact .shift-band__hour {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-contact .shift-band__slot.is-open .shift-band__hour {
  color: var(--ink);
}

.page-contact .shift-band__legend {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  color: var(--muted);
  margin: 16px 0 0;
}

.page-contact .response-list {
  list-style: none;
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--grid);
  border-top: 1px solid var(--grid);
}

.page-contact .response-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  background: var(--bg);
}

.page-contact .response-list__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .response-list__text {
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 合作方向 ---------- */
.page-contact .partner-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: clamp(24px, 3vw, 36px);
  background: var(--grid);
  border-top: 1px solid var(--grid);
  border-bottom: 1px solid var(--grid);
}

.page-contact .partner-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 30px) 0;
  background: var(--bg);
  transition: background 0.28s ease;
}

.page-contact .partner-item:hover {
  background: var(--panel);
}

.page-contact .partner-item__num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1;
  color: var(--grid);
}

.page-contact .partner-item__title {
  font-family: var(--font-display);
  font-size: clamp(17px, 1.9vw, 22px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
  margin: 0;
}

.page-contact .partner-item__text {
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
  margin: 0;
}

.page-contact .partner-item__how {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--amber);
  margin: 0;
}

/* ---------- 来访与邮寄 ---------- */
.page-contact .visit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.5vw, 48px);
  align-items: start;
}

.page-contact .visit-grid__text {
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
  margin: 16px 0 0;
}

.page-contact .visit-links {
  display: grid;
  gap: 1px;
  margin-top: clamp(20px, 2.6vw, 28px);
  background: var(--grid);
  border-top: 1px solid var(--grid);
}

.page-contact .visit-link {
  display: block;
  padding: 13px 0;
  background: var(--bg);
  font-size: 14px;
  line-height: 1.6;
  color: var(--link);
  text-decoration: none;
  border-bottom: 1px solid var(--grid);
  transition: color 0.24s ease, padding-left 0.24s ease;
}

.page-contact .visit-link::before {
  content: "→ ";
  font-family: var(--font-mono);
  color: var(--cyan);
}

.page-contact .visit-link:hover {
  color: var(--ink);
  padding-left: 8px;
}

.page-contact .visit-slip {
  position: relative;
  padding: clamp(24px, 3vw, 36px);
  background: linear-gradient(155deg, var(--panel) 0%, var(--raise) 100%);
  border: 1px solid var(--grid);
  border-radius: var(--radius-card);
  transform: rotate(-0.9deg);
  box-shadow: 0 28px 52px -38px rgba(0, 0, 0, 0.95);
}

.page-contact .visit-slip::before {
  content: "";
  position: absolute;
  top: 16px;
  bottom: 16px;
  left: 0;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--amber);
}

.page-contact .visit-slip__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--amber);
  margin-bottom: 12px;
}

.page-contact .visit-slip__addr {
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.5vw, 17px);
  line-height: 1.72;
  color: var(--ink);
  margin: 0 0 16px;
}

.page-contact .visit-slip__hint {
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
  margin: 0 0 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--grid);
}

.page-contact .visit-slip__hint a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(40, 224, 168, 0.5);
}

.page-contact .visit-slip__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0;
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 760px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .response-list li {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.76fr);
    align-items: center;
  }

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

  .page-contact .contact-response__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  }

  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-contact .partner-item {
    grid-template-columns: 84px minmax(0, 0.85fr) minmax(0, 1.35fr);
    align-items: start;
    gap: clamp(18px, 2.6vw, 36px);
    padding-inline: clamp(0px, 1.4vw, 20px);
  }

  .page-contact .partner-item__how {
    grid-column: 2 / -1;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-hero__body {
    padding-left: clamp(24px, 2.4vw, 34px);
  }
}