.page-contact {
  --pc-panel: rgba(20, 28, 78, 0.66);
  --pc-line: rgba(140, 245, 230, 0.18);
  overflow-x: clip;
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(22px, 4.5vw, 52px);
}

.page-contact .hero-grid {
  display: grid;
  gap: 28px;
  margin-top: 26px;
}

@media (min-width: 1000px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }
}

.page-contact .hero-lead h1 {
  font-family: var(--font-head);
  font-size: clamp(30px, 5.2vw, 54px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 12px 0 0;
  color: var(--paper);
}

.page-contact .hero-lead .lede {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .hero-facts {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .hero-facts li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--muted);
}

.page-contact .hero-facts .num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

/* ---------- 需求单面板 ---------- */
.page-contact .request-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3.6vw, 40px);
  border-radius: var(--radius-xl);
  border: 1px solid var(--pc-line);
  background:
    radial-gradient(130% 100% at 100% 0%, rgba(58, 42, 114, 0.62) 0%, rgba(58, 42, 114, 0) 62%),
    var(--pc-panel);
}

.page-contact .request-panel::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--cyan), var(--gold));
}

.page-contact .request-panel__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .request-panel__head h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 2.9vw, 30px);
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .request-panel__head p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .field-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .field-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  grid-template-areas:
    "no label"
    "no hint";
  gap: 3px 12px;
  padding: 14px 8px 14px 4px;
  border-bottom: 1px solid var(--line-soft);
  border-radius: 12px;
  transition: background-color 240ms var(--ease);
}

.page-contact .field-row:hover {
  background: rgba(43, 224, 200, 0.06);
}

.page-contact .field-row__no {
  grid-area: no;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
}

.page-contact .field-row__label {
  grid-area: label;
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .field-row__hint {
  grid-area: hint;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

.page-contact .request-panel__foot {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gold-soft);
}

/* ---------- 通用标题 ---------- */
.page-contact .section-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .section-sub {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .section-band {
  margin-bottom: 18px;
}

/* ---------- 渠道 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

@media (min-width: 820px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

.page-contact .channel {
  position: relative;
  padding: 24px 22px 24px 26px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--pc-panel);
  transition: border-color 240ms var(--ease), transform 240ms var(--ease);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  bottom: 24px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--ink-600);
  transition: background-color 240ms var(--ease);
}

.page-contact .channel:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.page-contact .channel:hover::before {
  background: var(--cyan);
}

.page-contact .channel__type {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .channel__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .channel__value {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
  word-break: break-word;
}

.page-contact .channel__desc {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .channels-note,
.page-contact .tiers-note,
.page-contact .flow-note,
.page-contact .partner-note,
.page-contact .office-note {
  margin: 26px 0 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .channels-note a,
.page-contact .tiers-note a,
.page-contact .flow-note a,
.page-contact .partner-note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

/* ---------- 响应档位 ---------- */
.page-contact .tier-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .tier {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "size time"
    "bar bar"
    "note note";
  gap: 10px 16px;
  align-items: center;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--pc-panel);
  transition: border-color 240ms var(--ease);
}

.page-contact .tier:hover {
  border-color: var(--line-strong);
}

.page-contact .tier__size {
  grid-area: size;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--paper);
}

.page-contact .tier__time {
  grid-area: time;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--gold);
  text-align: right;
}

.page-contact .tier__bar {
  grid-area: bar;
  height: 6px;
  border-radius: var(--radius-pill);
  background: rgba(154, 166, 206, 0.14);
  overflow: hidden;
}

.page-contact .tier__bar i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(244, 179, 76, 0.35), var(--gold));
}

.page-contact .tier--1 .tier__bar i { width: 26%; }
.page-contact .tier--2 .tier__bar i { width: 52%; }
.page-contact .tier--3 .tier__bar i { width: 76%; }
.page-contact .tier--4 .tier__bar i { width: 100%; }

.page-contact .tier__note {
  grid-area: note;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}

@media (min-width: 780px) {
  .page-contact .tier {
    grid-template-columns: 140px 160px 96px minmax(0, 1fr);
    grid-template-areas: "size time bar note";
    gap: 8px 20px;
    padding: 20px 24px;
  }
  .page-contact .tier__time {
    text-align: left;
  }
  .page-contact .tier__bar {
    height: 8px;
  }
}

/* ---------- 处理链路 ---------- */
.page-contact .flow-grid {
  display: grid;
  gap: 32px;
  margin-top: 30px;
}

@media (min-width: 960px) {
  .page-contact .flow-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: clamp(32px, 4vw, 56px);
    align-items: start;
  }
}

.page-contact .flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: pcflow;
}

.page-contact .flow-steps li {
  position: relative;
  counter-increment: pcflow;
  margin-left: 13px;
  padding: 0 0 26px 34px;
  border-left: 1px solid var(--line);
}

.page-contact .flow-steps li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .flow-steps li::before {
  content: counter(pcflow, decimal-leading-zero);
  position: absolute;
  left: -13px;
  top: -2px;
  width: 26px;
  height: 26px;
  border-radius: var(--radius-pill);
  background: var(--ink-900);
  border: 1px solid rgba(43, 224, 200, 0.6);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
  display: grid;
  place-items: center;
}

.page-contact .flow-steps h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .flow-steps p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .contact-flow-media,
.page-contact .contact-office-media {
  margin: 0;
}

.page-contact .contact-flow-media img,
.page-contact .contact-office-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 合作与批量开通 ---------- */
.page-contact .partner-panel {
  margin-top: 6px;
  padding: clamp(24px, 3.8vw, 46px);
}

.page-contact .partner-grid {
  display: grid;
  gap: 28px;
  margin-top: 30px;
}

@media (min-width: 820px) {
  .page-contact .partner-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: clamp(28px, 4vw, 56px);
  }
}

.page-contact .partner-h {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--cyan-soft);
}

.page-contact .partner-list,
.page-contact .partner-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .partner-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .partner-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.page-contact .partner-steps {
  counter-reset: pcstep;
}

.page-contact .partner-steps li {
  position: relative;
  counter-increment: pcstep;
  padding-left: 34px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .partner-steps li::before {
  content: counter(pcstep);
  position: absolute;
  left: 0;
  top: 1px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
  display: grid;
  place-items: center;
}

/* ---------- 办公地与时段 ---------- */
.page-contact .office-grid {
  display: grid;
  gap: 32px;
  margin-top: 6px;
}

@media (min-width: 900px) {
  .page-contact .office-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(32px, 4.5vw, 60px);
    align-items: center;
  }
}

.page-contact .contact-list {
  margin: 24px 0 0;
}

.page-contact .contact-list dt {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .contact-list dt:first-child {
  margin-top: 0;
}

.page-contact .contact-list dd {
  margin: 4px 0 0;
  font-size: 16px;
  line-height: 1.65;
  color: var(--paper);
  word-break: break-word;
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 520px) {
  .page-contact .request-panel,
  .page-contact .partner-panel {
    border-radius: var(--radius-lg);
  }
  .page-contact .channel__value {
    font-size: 14px;
  }
  .page-contact .tier__time {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .field-row,
  .page-contact .tier {
    transition: none;
  }
  .page-contact .channel:hover {
    transform: none;
  }
}