.page-contact {
  background: var(--paper);
  color: var(--ink-field);
  font-family: var(--font-sans);
}

/* ---------- 面包屑微调 ---------- */
.page-contact .breadcrumb {
  padding-block: 20px 0;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  background: var(--ink-field);
  color: var(--paper);
  padding-block: clamp(32px, 5vw, 56px) clamp(48px, 7vw, 96px);
  overflow: hidden;
}
.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 0 auto;
  width: 60%;
  background: var(--ink-green);
  clip-path: polygon(34% 0, 100% 0, 100% 78%, 0 100%);
  z-index: 0;
  pointer-events: none;
}
.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 4px;
  background: linear-gradient(90deg, var(--cyan), var(--amber) 42%, var(--violet) 74%, var(--ember));
  z-index: 2;
}
.page-contact .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  grid-template-columns: 1fr;
  align-items: center;
}
.page-contact .hero-label {
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 14px;
}
.page-contact .hero-copy h1 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(34px, 4.6vw, 56px);
  line-height: 1.14;
  margin: 0 0 18px;
  color: var(--paper);
  letter-spacing: 0.01em;
}
.page-contact .hero-lede {
  font-size: 16px;
  line-height: 1.85;
  color: rgba(243, 238, 225, 0.84);
  max-width: 42ch;
  margin: 0 0 22px;
}
.page-contact .hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.page-contact .hero-visual {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-teal);
  aspect-ratio: 3 / 2;
  box-shadow: 0 28px 64px -34px rgba(0, 0, 0, 0.7);
}
.page-contact .hero-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.96) contrast(1.05);
}

/* ---------- 章节基础 ---------- */
.page-contact .section {
  padding-block: clamp(48px, 7vw, 96px);
}
.page-contact .section--tight {
  padding-block: clamp(38px, 5vw, 72px);
}
.page-contact .section-head {
  max-width: 64ch;
  margin-bottom: clamp(22px, 3vw, 40px);
}
.page-contact .section-no {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--moss);
  margin-bottom: 10px;
}
.page-contact .section-head h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.18;
  margin: 0 0 12px;
  letter-spacing: 0.01em;
  color: var(--ink-field);
}
.page-contact .section-head p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--moss);
}
.page-contact .section--dark .section-no {
  color: var(--cyan);
}
.page-contact .section--dark .section-head h2 {
  color: var(--paper);
}
.page-contact .section--dark .section-head p {
  color: rgba(243, 238, 225, 0.74);
}

/* ---------- 01 渠道 ---------- */
.page-contact .channel-stagger {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
  grid-template-columns: 1fr;
}
.page-contact .channel-card {
  position: relative;
  border-radius: var(--radius-lg);
  background: var(--paper-raise);
  border: 1px solid var(--paper-line);
  padding: clamp(24px, 3.4vw, 40px);
}
.page-contact .channel-card--mail {
  border-top-right-radius: 10px;
}
.page-contact .channel-card--phone {
  border-bottom-left-radius: 10px;
  background: var(--ink-green);
  border-color: transparent;
  color: var(--paper);
}
.page-contact .channel-tag {
  display: inline-block;
  margin-bottom: 14px;
}
.page-contact .channel-card h3 {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2vw, 26px);
  margin: 0 0 12px;
  line-height: 1.3;
}
.page-contact .channel-card--phone h3 {
  color: var(--paper);
}
.page-contact .channel-value {
  display: inline-block;
  font-size: 15px;
  letter-spacing: 0.02em;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  background: var(--ink-field);
  color: var(--cyan);
  margin: 0 0 18px;
  word-break: break-all;
}
.page-contact .channel-card--phone .channel-value {
  color: var(--amber);
}
.page-contact .channel-use {
  font-size: 15px;
  line-height: 1.82;
  color: var(--moss);
  margin: 0 0 18px;
}
.page-contact .channel-card--phone .channel-use {
  color: rgba(243, 238, 225, 0.78);
}
.page-contact .channel-meta {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
  font-size: 14px;
  line-height: 1.7;
}
.page-contact .channel-meta li {
  position: relative;
  padding-left: 18px;
  color: var(--moss);
}
.page-contact .channel-meta li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--cyan);
}
.page-contact .channel-card--phone .channel-meta li {
  color: rgba(243, 238, 225, 0.72);
}
.page-contact .channel-card--phone .channel-meta li::before {
  color: var(--amber);
}

/* ---------- 02 节奏 ---------- */
.page-contact .rhythm-grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 40px);
  grid-template-columns: 1fr;
}
.page-contact .rhythm-copy p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-teal);
}
.page-contact .rhythm-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  margin: 26px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--paper-line);
}
.page-contact .rhythm-stats > div {
  margin: 0;
}
.page-contact .rhythm-stats dt {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--moss);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.page-contact .rhythm-stats dd {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--ink-field);
}
.page-contact .rhythm-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-green);
  display: flex;
  flex-direction: column;
}
.page-contact .rhythm-figure img {
  display: block;
  width: 100%;
  height: auto;
}
.page-contact .rhythm-figure figcaption {
  padding: 14px 20px 18px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(243, 238, 225, 0.72);
  background: var(--ink-green);
}

/* ---------- 03 分流 ---------- */
.page-contact .routing-grid {
  display: grid;
  gap: clamp(20px, 2.6vw, 32px);
  grid-template-columns: 1fr;
}
.page-contact .routing-col {
  border-radius: var(--radius-md);
  padding: clamp(22px, 2.6vw, 32px);
  background: var(--paper-raise);
  border: 1px solid var(--paper-line);
}
.page-contact .routing-col--inside {
  border-top: 4px solid var(--cyan);
}
.page-contact .routing-col--outside {
  border-top: 4px solid var(--ember);
}
.page-contact .routing-col h3 {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2vw, 24px);
  margin: 14px 0 16px;
  line-height: 1.3;
  color: var(--ink-field);
}
.page-contact .routing-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-teal);
}
.page-contact .routing-list li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  align-items: baseline;
}
.page-contact .routing-list .mono {
  font-size: 12px;
  color: var(--moss);
  letter-spacing: 0.08em;
}

/* ---------- 04 信息带 ---------- */
.page-contact .info-band {
  border-radius: var(--radius-lg);
  background: var(--ink-green);
  padding: clamp(22px, 3vw, 40px);
  border: 1px solid rgba(255, 255, 255, 0.05);
}
.page-contact .band-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px dashed rgba(243, 238, 225, 0.18);
}
.page-contact .band-row:last-of-type {
  border-bottom: none;
}
.page-contact .band-key {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  text-transform: uppercase;
}
.page-contact .band-value {
  font-size: 16px;
  color: var(--paper);
  line-height: 1.7;
  word-break: break-word;
}
.page-contact .band-value.mono {
  font-size: 15px;
  letter-spacing: 0.04em;
}
.page-contact .band-note {
  margin: 20px 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(243, 238, 225, 0.16);
  font-size: 14px;
  line-height: 1.85;
  color: rgba(243, 238, 225, 0.72);
}

/* ---------- 05 清单 ---------- */
.page-contact .checklist-grid {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
  grid-template-columns: 1fr;
}
.page-contact .checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--paper-line);
}
.page-contact .checklist li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--paper-line);
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-teal);
}
.page-contact .check-no {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--ink-field);
}
.page-contact .check-no::before {
  content: "";
  width: 16px;
  height: 16px;
  border-radius: 5px;
  background: rgba(231, 169, 61, 0.16);
  border: 1.5px solid var(--amber);
  flex: 0 0 auto;
}
.page-contact .checklist-aside {
  background: var(--paper-raise);
  border-radius: var(--radius-lg);
  padding: clamp(22px, 2.6vw, 32px);
  border: 1px solid var(--paper-line);
}
.page-contact .checklist-aside h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  margin: 0 0 12px;
  color: var(--ink-field);
}
.page-contact .checklist-aside p {
  font-size: 15px;
  line-height: 1.82;
  color: var(--moss);
  margin: 0 0 14px;
}
.page-contact .checklist-links {
  margin: 0 !important;
  padding-top: 14px;
  border-top: 1px dashed var(--paper-line);
  font-size: 14px;
  line-height: 2;
}
.page-contact .checklist-links a {
  color: var(--ink-field);
  text-decoration: underline;
  text-decoration-color: var(--cyan);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .band-row {
    grid-template-columns: 150px 1fr;
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 768px) {
  .page-contact .hero-grid {
    grid-template-columns: 7fr 5fr;
  }
  .page-contact .routing-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-contact .channel-stagger {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 72px;
  }
  .page-contact .channel-card--phone {
    transform: translateY(64px);
  }
  .page-contact .rhythm-grid {
    grid-template-columns: 5fr 6fr;
    align-items: start;
  }
  .page-contact .checklist-grid {
    grid-template-columns: 6fr 4fr;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition: none !important;
    animation: none !important;
  }
}