.page-contact {
  background: var(--ink);
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: 104px 0 56px;
  border-bottom: 1px solid var(--line);
}

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

.page-contact .hero-bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 18% 0%, rgba(53, 224, 210, 0.16), transparent 62%),
    radial-gradient(80% 70% at 88% 18%, rgba(124, 92, 255, 0.14), transparent 66%),
    linear-gradient(180deg, rgba(6, 21, 35, 0.35), var(--ink) 94%);
}

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

.page-contact .hero-kicker {
  margin: 28px 0 14px;
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.18em;
}

.page-contact .contact-hero .display {
  margin: 0;
  max-width: 18em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.4vw, 3.6rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.page-contact .contact-hero .lede {
  margin: 22px 0 0;
  max-width: 34em;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.page-contact .hero-pulse {
  position: absolute;
  top: 116px;
  right: var(--gutter);
  width: 92px;
  height: 92px;
  z-index: 1;
  display: none;
}

.page-contact .hero-pulse span {
  position: absolute;
  inset: 0;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  animation: contactPulse 5.2s var(--ease) infinite;
}

.page-contact .hero-pulse span:nth-child(2) {
  animation-delay: 2.6s;
}

@keyframes contactPulse {
  0% { transform: scale(0.62); opacity: 0.7; }
  100% { transform: scale(1.3); opacity: 0; }
}

/* ---------- 通用章节 ---------- */
.page-contact .contact-section {
  padding: 56px 0;
}

.page-contact .contact-section--alt {
  background: var(--ink-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .chapter-head {
  margin-bottom: 32px;
}

.page-contact .chapter-title {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.35rem, 3.4vw, 1.9rem);
  line-height: 1.3;
}

/* ---------- 三条通道 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .channel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 20px 28px;
  background: var(--ink-2);
}

.page-contact .channel--mail {
  background: rgba(53, 224, 210, 0.07);
  box-shadow: inset 0 0 0 1px var(--cyan);
}

.page-contact .channel-label {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.page-contact .channel--mail .channel-label {
  color: var(--cyan);
}

.page-contact .channel-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2.6vw, 1.12rem);
  line-height: 1.45;
  letter-spacing: 0.02em;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .channel--mail .channel-value {
  color: var(--cyan);
}

.page-contact .channel-use {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.75;
}

.page-contact .channel-note {
  margin: 4px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-contact .channel--mail .channel-note {
  border-top-color: rgba(53, 224, 210, 0.35);
}

/* ---------- 邮件写法 ---------- */
.page-contact .mail-layout {
  row-gap: 32px;
}

.page-contact .mail-lede {
  margin: 0 0 24px;
  max-width: 34em;
  color: var(--text);
  font-size: 1.02rem;
  line-height: 1.8;
}

.page-contact .format-stack {
  display: grid;
  gap: 10px;
  max-width: 40em;
}

.page-contact .format-tip {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-contact .format-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 0;
  padding: 16px 18px;
  background: var(--panel);
  border-left: 2px solid var(--cyan);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  color: var(--text);
}

.page-contact .format-seg {
  overflow-wrap: anywhere;
}

.page-contact .format-slash {
  color: var(--gold);
  font-size: 1.1rem;
  line-height: 1;
}

.page-contact .mail-body-tip {
  margin: 24px 0 0;
  padding-left: 18px;
  border-left: 1px solid var(--line);
  max-width: 34em;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

.page-contact .mail-figure {
  margin: 0;
}

.page-contact .mail-figure .figure-media {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

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

.page-contact .mail-figure .figure-caption {
  margin-top: 12px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* ---------- 场景对照 ---------- */
.page-contact .scene-list {
  display: grid;
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .scene-row {
  display: grid;
  gap: 8px;
  padding: 22px 20px;
  background: var(--ink);
  transition: background 220ms var(--ease);
}

.page-contact .scene-row:hover,
.page-contact .scene-row:focus-within {
  background: var(--panel);
}

.page-contact .scene-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--cyan);
}

.page-contact .scene-need {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

.page-contact .scene-need p {
  margin: 0;
}

.page-contact .scene-need .link-more {
  color: var(--cyan);
}

/* ---------- 服务范围与节奏 ---------- */
.page-contact .cadence-layout {
  row-gap: 32px;
}

.page-contact .cadence-lead {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.1rem, 2.8vw, 1.32rem);
  line-height: 1.6;
  color: var(--text);
}

.page-contact .cadence-main p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

.page-contact .cadence-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .cadence-item {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .cadence-key {
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-contact .cadence-val {
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.75;
}

.page-contact .cadence-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 36px 0 0;
}

/* ---------- 纠错邀请 ---------- */
.page-contact .invite {
  padding-bottom: 88px;
}

.page-contact .invite-text {
  margin: 0 0 16px;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text);
}

.page-contact .invite-text--minor {
  color: var(--muted);
  font-size: 0.92rem;
}

.page-contact .invite-text .link-more {
  color: var(--cyan);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-contact .contact-hero {
    padding: 128px 0 72px;
  }

  .page-contact .scene-row {
    grid-template-columns: 190px 1fr;
    gap: 28px;
    align-items: start;
    padding: 24px 26px;
  }

  .page-contact .channel {
    padding: 30px 26px 32px;
  }
}

@media (min-width: 900px) {
  .page-contact .hero-pulse {
    display: block;
  }

  .page-contact .contact-section {
    padding: 84px 0;
  }

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

  .page-contact .chapter-head {
    margin-bottom: 40px;
  }
}

@media (min-width: 1024px) {
  .page-contact .scene-row {
    grid-template-columns: 220px 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .hero-pulse span {
    animation: none;
    opacity: 0.35;
  }

  .page-contact .scene-row {
    transition: none;
  }
}