.page-contact {
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

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

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(46px, 9vw, 96px)) 0 clamp(38px, 7vw, 76px);
  overflow: hidden;
  background:
    radial-gradient(120% 88% at 88% 0%, rgba(0, 227, 200, .16) 0%, rgba(0, 227, 200, 0) 58%),
    linear-gradient(180deg, var(--paper-lift) 0%, var(--paper) 100%);
  border-bottom: 1px solid var(--rule);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: -6%;
  width: 48%;
  height: 100%;
  background: linear-gradient(155deg, rgba(242, 112, 31, .16), rgba(242, 112, 31, 0) 62%);
  clip-path: polygon(38% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(14px, 2.2vw, 22px);
  max-width: 940px;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.05rem, 5.6vw, 4.05rem);
  line-height: 1.1;
  letter-spacing: -.01em;
  margin: 0;
  max-width: 17ch;
}

.page-contact .contact-hero__lead {
  margin: 0;
  font-size: clamp(1.04rem, 1.5vw, 1.24rem);
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 62ch;
}

.page-contact .contact-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

/* ---------- 通用小标题 ---------- */
.page-contact .section-title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.6vw, 2.55rem);
  line-height: 1.22;
  letter-spacing: -.005em;
  margin: 0 0 12px;
  color: var(--ink);
}

.page-contact .section-lead {
  margin: 0;
  font-size: clamp(1.01rem, 1.35vw, 1.14rem);
  line-height: 1.85;
  color: var(--muted);
  max-width: 62ch;
}

.page-contact .section__head {
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-contact .eyebrow--invert {
  color: var(--cyan);
}

/* ---------- 三条通道 ---------- */
.page-contact .channels {
  padding: clamp(46px, 8vw, 92px) 0;
}

.page-contact .channels__grid {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .channel {
  position: relative;
  display: grid;
  align-content: start;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--paper-lift);
  border: 1px solid var(--rule);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

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

.page-contact .channel--mail {
  background: linear-gradient(160deg, var(--ink) 0%, var(--ink-soft) 100%);
  border-color: transparent;
  color: var(--paper);
  box-shadow: 0 22px 48px rgba(14, 42, 69, .22);
}

.page-contact .channel__name {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
  line-height: 1.3;
  margin: 0;
  color: var(--ink);
}

.page-contact .channel--mail .channel__name {
  color: var(--paper);
}

.page-contact .channel__value {
  margin: 0;
  padding: 9px 12px;
  font-family: var(--font-mono);
  font-size: clamp(.92rem, 1.45vw, 1.12rem);
  line-height: 1.5;
  letter-spacing: .01em;
  word-break: break-all;
  color: var(--ink);
  background: rgba(14, 42, 69, .06);
  border-left: 3px solid var(--orange);
}

.page-contact .channel--mail .channel__value {
  color: var(--paper);
  background: rgba(246, 239, 228, .12);
  border-left-color: var(--cyan);
}

.page-contact .channel__desc {
  margin: 0;
  font-size: .98rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .channel--mail .channel__desc {
  color: rgba(246, 239, 228, .78);
}

.page-contact .channel__more {
  margin-top: 4px;
  padding-top: 10px;
  border-top: 1px dashed var(--rule-strong);
}

.page-contact .channel--mail .channel__more {
  border-top-color: rgba(246, 239, 228, .24);
}

.page-contact .channel__more summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .06em;
  color: var(--orange-deep);
}

.page-contact .channel__more summary::-webkit-details-marker {
  display: none;
}

.page-contact .channel__more summary::after {
  content: "＋";
  font-size: .95rem;
  line-height: 1;
  transition: transform 180ms var(--ease);
}

.page-contact .channel__more[open] summary::after {
  transform: rotate(45deg);
}

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

.page-contact .channel__more ul {
  margin: 10px 0 0;
  padding: 0 0 0 1.1em;
  display: grid;
  gap: 6px;
  font-size: .94rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .channel--mail .channel__more ul {
  color: rgba(246, 239, 228, .74);
}

/* ---------- 通道下方实拍 ---------- */
.page-contact .contact-shot {
  margin: clamp(28px, 4vw, 48px) 0 0;
  display: grid;
  gap: 10px;
}

.page-contact .contact-shot img {
  display: block;
  max-width: 100%;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--rule);
}

.page-contact .contact-shot figcaption {
  font-family: var(--font-mono);
  font-size: .79rem;
  letter-spacing: .04em;
  color: var(--muted);
}

/* ---------- 索引确认 ---------- */
.page-contact .verify {
  padding: clamp(46px, 8vw, 92px) 0;
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-lift) 100%);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.page-contact .verify__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .verify__body > .section-lead {
  margin-bottom: clamp(20px, 3vw, 32px);
}

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

.page-contact .step {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: clamp(16px, 2vw, 22px);
  background: var(--paper);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--orange);
}

.page-contact .step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 24px;
  bottom: -14px;
  width: 2px;
  height: 14px;
  background: repeating-linear-gradient(180deg, var(--rule-strong) 0 3px, transparent 3px 6px);
}

.page-contact .step__no {
  align-self: start;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: .84rem;
  font-weight: 600;
  line-height: 1.25;
  color: var(--ink);
  background: var(--cyan);
}

.page-contact .step__title {
  font-family: var(--font-display);
  font-size: 1.06rem;
  line-height: 1.45;
  margin: 0 0 4px;
}

.page-contact .step p {
  margin: 0;
  font-size: .97rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .code {
  font-family: var(--font-mono);
  font-size: .92em;
  padding: 1px 6px;
  color: var(--ink);
  background: rgba(0, 227, 200, .22);
  word-break: break-all;
}

.page-contact .verify__note {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  font-size: .97rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-contact .verify__note a {
  color: var(--cyan-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 143, 129, .45);
}

.page-contact .verify__note a:hover {
  color: var(--orange-deep);
  border-bottom-color: var(--orange);
}

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

.page-contact .verify__media img {
  display: block;
  max-width: 100%;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--rule);
}

/* ---------- 服务时段 ---------- */
.page-contact .hours {
  padding: clamp(46px, 8vw, 90px) 0;
}

.page-contact .hours__panel {
  padding: clamp(26px, 4vw, 52px);
  color: var(--paper);
  background: linear-gradient(135deg, var(--ink) 0%, var(--ink-soft) 62%, #16395c 100%);
  clip-path: polygon(0 var(--cut), var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-contact .hours__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.3vw, 2.35rem);
  line-height: 1.25;
  margin: 0 0 clamp(20px, 3vw, 30px);
  color: var(--paper);
}

.page-contact .hours__bar {
  margin: 0 0 clamp(20px, 3vw, 30px);
  height: 54px;
  background: rgba(246, 239, 228, .10);
}

.page-contact .hours__fill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 clamp(12px, 2vw, 20px);
  font-family: var(--font-mono);
  font-size: clamp(.75rem, 1.2vw, .84rem);
  letter-spacing: .04em;
  color: var(--ink);
  background: linear-gradient(90deg, var(--orange) 0%, #f7a25e 46%, var(--cyan) 100%);
}

.page-contact .hours__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  max-width: 66ch;
}

.page-contact .hours__list li {
  position: relative;
  padding-left: 22px;
  font-size: .98rem;
  line-height: 1.78;
  color: rgba(246, 239, 228, .84);
}

.page-contact .hours__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 10px;
  height: 10px;
  background: var(--cyan);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

/* ---------- 项目与合作 ---------- */
.page-contact .cooperation {
  padding: clamp(46px, 8vw, 92px) 0;
  background: var(--paper-lift);
  border-top: 1px solid var(--rule);
}

.page-contact .cooperation__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.page-contact .cooperation__intro .btn {
  margin-top: clamp(16px, 2.4vw, 24px);
}

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

.page-contact .cooperation__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 14px 16px;
  font-size: .98rem;
  line-height: 1.72;
  background: var(--paper);
  border: 1px solid var(--rule);
  transition: border-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-contact .cooperation__list li:hover {
  transform: translateY(-2px);
  border-color: var(--rule-strong);
}

.page-contact .cooperation__num {
  font-family: var(--font-mono);
  font-size: .84rem;
  color: var(--orange-deep);
}

.page-contact .cooperation__tail {
  margin: clamp(24px, 4vw, 38px) 0 0;
  max-width: 68ch;
  font-size: .98rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .cooperation__tail a {
  color: var(--cyan-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 143, 129, .45);
}

.page-contact .cooperation__tail a:hover {
  color: var(--orange-deep);
  border-bottom-color: var(--orange);
}

/* ---------- 通信地址 ---------- */
.page-contact .address {
  padding: clamp(48px, 7vw, 88px) 0 clamp(64px, 10vw, 132px);
  background: var(--paper);
}

.page-contact .address__inner {
  position: relative;
  padding-top: clamp(28px, 5vw, 54px);
  max-width: 760px;
}

.page-contact .address__inner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: min(100%, 520px);
  height: 2px;
  background: var(--orange);
  transform-origin: left center;
  transform: rotate(-2deg);
}

.page-contact .address__line {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.6vw, 1.75rem);
  line-height: 1.45;
  margin: 0 0 10px;
}

.page-contact .address__meta {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: .84rem;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-contact .address__note {
  margin: 0 0 18px;
  font-size: .98rem;
  line-height: 1.85;
  color: var(--muted);
  max-width: 62ch;
}

.page-contact .contact-tail {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  font-size: .93rem;
}

.page-contact .contact-tail a {
  color: var(--cyan-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 143, 129, .4);
}

.page-contact .contact-tail a:hover {
  color: var(--orange-deep);
  border-bottom-color: var(--orange);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-contact .channels__grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-contact .channel--mail {
    grid-column: span 3;
  }

  .page-contact .channel--phone {
    grid-column: span 3;
  }

  .page-contact .channel--index {
    grid-column: span 6;
  }

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

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

  .page-contact .step:not(:last-child)::after {
    left: auto;
    right: -14px;
    top: 30px;
    bottom: auto;
    width: 14px;
    height: 2px;
    background: repeating-linear-gradient(90deg, var(--rule-strong) 0 3px, transparent 3px 6px);
  }

  .page-contact .contact-shot img {
    aspect-ratio: 16 / 9;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1040px) {
  .page-contact .channels__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .channel--mail {
    grid-column: span 5;
  }

  .page-contact .channel--phone {
    grid-column: span 4;
    margin-top: 30px;
  }

  .page-contact .channel--index {
    grid-column: span 3;
    margin-top: 62px;
  }

  .page-contact .verify__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .85fr);
  }

  .page-contact .verify__media {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-contact .cooperation__grid {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .cooperation__list li,
  .page-contact .channel__more summary::after {
    transition: none;
  }

  .page-contact .channel:hover,
  .page-contact .cooperation__list li:hover {
    transform: none;
  }
}
<<<END>>>