.page-contact {
  --contact-gap: clamp(16px, 2.6vw, 28px);
}

.page-contact .copy {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
  max-width: 62ch;
}

.page-contact .copy--muted {
  color: var(--muted);
  font-size: 14px;
}

.page-contact h2 {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.8vw, 32px);
  line-height: 1.2;
  letter-spacing: -.005em;
  color: var(--text);
}

/* 首屏 */
.page-contact .contact-hero {
  padding-top: clamp(16px, 2.6vw, 30px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: var(--contact-gap);
  margin-top: clamp(16px, 2.4vw, 26px);
}

.page-contact .contact-board {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(20px, 3.2vw, 40px);
  background:
    radial-gradient(115% 85% at 100% 0%, rgba(53, 242, 208, .15), transparent 60%),
    linear-gradient(168deg, var(--ink-800) 0%, var(--ink-900) 76%);
}

.page-contact .contact-board__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .15;
  filter: saturate(.5) contrast(1.05);
  pointer-events: none;
}

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

.page-contact .contact-board__title {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(27px, 5.4vw, 44px);
  line-height: 1.08;
  letter-spacing: -.012em;
  color: var(--text);
}

.page-contact .contact-board__lead {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  font-size: 15px;
  line-height: 1.82;
  color: var(--muted);
  max-width: 46ch;
}

.page-contact .ch {
  display: grid;
  gap: 7px;
  padding: 15px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .ch__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .ch__link {
  display: inline-block;
  justify-self: start;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(15px, 3.1vw, 21px);
  line-height: 1.4;
  color: var(--text);
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 1px solid transparent;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-contact .ch__link:hover {
  color: var(--cyan);
  border-bottom-color: rgba(53, 242, 208, .5);
}

.page-contact .ch__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 5px;
  border-radius: 2px;
}

.page-contact .ch--tel .ch__link {
  font-size: clamp(27px, 7vw, 42px);
  letter-spacing: .02em;
  color: var(--orange);
  border-bottom-color: rgba(255, 154, 60, .35);
}

.page-contact .ch--tel .ch__link:hover {
  color: var(--text);
  border-bottom-color: rgba(255, 154, 60, .75);
}

.page-contact .ch__use {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 46ch;
}

/* 右侧流程 */
.page-contact .contact-flow {
  display: grid;
  gap: 12px;
}

.page-contact .contact-flow__media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}

.page-contact .contact-flow__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.6);
}

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

.page-contact .flow__step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 16px 18px;
  background: rgba(12, 43, 36, .78);
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  transition: transform var(--t-slow) var(--ease), border-color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-contact .flow__step:hover,
.page-contact .flow__step:focus-within {
  transform: translateX(5px);
  border-color: var(--line-strong);
  background: rgba(18, 58, 49, .92);
}

.page-contact .flow__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
  padding-top: 4px;
}

.page-contact .flow__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: .01em;
  color: var(--text);
}

.page-contact .flow__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

/* 邮件沟通 */
.page-contact .contact-mail__grid {
  gap: var(--contact-gap);
  align-items: start;
}

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

.page-contact .checklist li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text);
}

.page-contact .checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 9px;
  height: 9px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-contact .checklist li:last-child::before {
  background: var(--orange);
}

.page-contact .contact-note {
  padding: clamp(20px, 2.8vw, 30px);
  background: linear-gradient(170deg, var(--ink-800), var(--ink-900));
  border: 1px solid var(--line);
}

.page-contact .contact-note h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-contact .contact-note p {
  margin: 0 0 12px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-note .contact-note__meta {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text);
  overflow-wrap: anywhere;
}

/* 回拨 */
.page-contact .callback {
  padding: clamp(24px, 3.6vw, 46px);
  background:
    radial-gradient(90% 120% at 0% 0%, rgba(255, 154, 60, .18), transparent 62%),
    linear-gradient(150deg, var(--wine), #33131f 80%);
  border: 1px solid rgba(255, 154, 60, .22);
}

.page-contact .callback__lead {
  margin: 0 0 24px;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(214, 228, 221, .82);
  max-width: 68ch;
}

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

.page-contact .callback__steps li {
  padding-top: 16px;
  border-top: 1px solid rgba(255, 154, 60, .35);
}

.page-contact .callback__steps .num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-contact .callback__steps h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 16.5px;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-contact .callback__steps p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(214, 228, 221, .78);
}

/* 内容纠错 */
.page-contact .contact-fix__grid {
  gap: var(--contact-gap);
  align-items: start;
}

.page-contact .contact-fix__card {
  position: relative;
  padding: clamp(20px, 2.8vw, 30px);
  background: linear-gradient(175deg, var(--ink-800), var(--ink-900));
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-contact .contact-fix__card h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: .02em;
  color: var(--text);
}

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

.page-contact .fixlist li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .fixlist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 8px;
  height: 1px;
  background: var(--line-strong);
}

/* 合作 */
.page-contact .partner {
  padding: clamp(24px, 3.6vw, 46px);
  background:
    radial-gradient(100% 120% at 100% 0%, rgba(53, 242, 208, .14), transparent 60%),
    linear-gradient(160deg, var(--indigo), #111129 82%);
  border: 1px solid rgba(53, 242, 208, .18);
}

.page-contact .partner__lead {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(214, 228, 221, .86);
  max-width: 66ch;
}

.page-contact .partner__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 12px;
}

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

.page-contact .partner__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 8px;
  height: 8px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-contact .partner__foot {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid rgba(53, 242, 208, .2);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

/* 地址与更多 */
.page-contact .contact-place__grid {
  display: grid;
  gap: clamp(22px, 3vw, 38px);
}

.page-contact .contact-place__addr {
  margin: 8px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(23px, 4.6vw, 38px);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-contact .contact-place__more h3 {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-place__more ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .contact-place__more a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  font-size: 14.5px;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
  transition: color var(--t) var(--ease), padding-left var(--t) var(--ease);
}

.page-contact .contact-place__more a:hover {
  color: var(--cyan);
  padding-left: 6px;
}

.page-contact .contact-place__more a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

@media (min-width: 760px) {
  .page-contact .callback__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 820px) {
  .page-contact .contact-place__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-contact .partner__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ch__link,
  .page-contact .flow__step,
  .page-contact .contact-place__more a {
    transition: none;
  }

  .page-contact .flow__step:hover,
  .page-contact .flow__step:focus-within {
    transform: none;
  }

  .page-contact .contact-place__more a:hover {
    padding-left: 0;
  }
}