.page-contact {
  --pc-gap: clamp(16px, 2.8vw, 28px);
  --pc-block: clamp(48px, 8vw, 96px);
  padding-top: var(--header-h);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(16px, 3vw, 32px) 0 clamp(32px, 5vw, 64px);
  background:
    radial-gradient(120% 85% at 92% -10%, rgba(183, 255, 60, .13), transparent 60%),
    linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 68%);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(18px, 3vw, 30px);
}

.page-contact .contact-hero__intro h1 {
  margin: 14px 0 0;
  font-size: clamp(29px, 5.2vw, 54px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.012em;
  color: var(--text);
  max-width: 20ch;
}

.page-contact .contact-hero__lead {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.95;
  color: var(--text-dim);
}

.page-contact .contact-now {
  padding: clamp(20px, 3vw, 28px);
  border-left: 2px solid var(--green);
}

.page-contact .contact-now__eyebrow {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--green);
}

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

.page-contact .contact-now__steps li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .contact-now__steps li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .contact-now__steps .mono-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--green);
  letter-spacing: .08em;
  padding-top: 3px;
}

.page-contact .contact-now__steps a {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid rgba(183, 255, 60, .4);
}

.page-contact .contact-now__steps a:hover {
  border-bottom-color: var(--green);
}

.page-contact .contact-hero__media {
  margin: clamp(30px, 5vw, 52px) 0 0;
  border: 1px solid var(--line);
  background: var(--media-bg);
}

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

/* ---------- 三种联系方式 ---------- */
.page-contact .contact-channels {
  padding-block: var(--pc-block);
}

.page-contact .contact-channels__grid {
  display: flex;
  gap: 14px;
  margin-top: clamp(26px, 4vw, 42px);
  margin-inline: calc(var(--gutter) * -1);
  padding: 4px var(--gutter) 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-contact .contact-card {
  flex: 0 0 78%;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 3vw, 30px);
  position: relative;
  overflow: hidden;
  min-height: 300px;
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  right: -50px;
  bottom: -70px;
  width: 170px;
  height: 170px;
  background: radial-gradient(circle, rgba(183, 255, 60, .15), transparent 70%);
  pointer-events: none;
}

.page-contact .contact-card__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--green);
}

.page-contact .contact-card__title {
  margin: 0;
  font-size: clamp(19px, 2.4vw, 22px);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--text);
}

.page-contact .contact-card__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-contact .contact-card__value {
  margin: 0;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: clamp(13.5px, 1.9vw, 15.5px);
  line-height: 1.6;
  letter-spacing: .01em;
  color: var(--green);
  word-break: break-word;
  background: rgba(11, 16, 38, .72);
  border-left: 2px solid var(--line);
}

.page-contact .contact-card__value--plain {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text-dim);
  border-left-color: var(--green-deep);
}

.page-contact .contact-card .copy-btn,
.page-contact .contact-card .btn--primary {
  align-self: flex-start;
  margin-top: auto;
}

/* ---------- 响应时段 ---------- */
.page-contact .contact-window {
  padding-block: var(--pc-block);
}

.page-contact .contact-timeline {
  list-style: none;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
}

.page-contact .contact-timeline__row {
  display: grid;
  gap: 10px;
  padding: clamp(20px, 3vw, 28px) 0;
  border-top: 1px solid rgba(25, 27, 34, .16);
}

.page-contact .contact-timeline__row:last-child {
  border-bottom: 1px solid rgba(25, 27, 34, .16);
}

.page-contact .contact-timeline__time {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--green-ink);
}

.page-contact .contact-timeline__body h3 {
  margin: 0 0 8px;
  font-size: clamp(17px, 2.2vw, 19px);
  font-weight: 700;
  color: var(--paper-ink);
}

.page-contact .contact-timeline__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(25, 27, 34, .76);
}

.page-contact .contact-details {
  margin-top: clamp(24px, 3.5vw, 38px);
  border: 1px solid rgba(25, 27, 34, .18);
  background: rgba(25, 27, 34, .035);
}

.page-contact .contact-details summary {
  cursor: pointer;
  padding: 15px 18px;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper-ink);
  list-style: none;
}

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

.page-contact .contact-details summary::after {
  content: "＋";
  float: right;
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--green-ink);
}

.page-contact .contact-details[open] summary::after {
  content: "－";
}

.page-contact .contact-details__body {
  padding: 0 18px 18px;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(25, 27, 34, .78);
}

.page-contact .contact-details__body p {
  margin: 0;
}

/* ---------- 数据纠错 ---------- */
.page-contact .contact-report {
  padding-block: var(--pc-block);
}

.page-contact .contact-report__grid {
  display: grid;
  gap: clamp(28px, 4vw, 46px);
}

.page-contact .contact-report__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--media-bg);
}

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

.page-contact .contact-steps {
  list-style: none;
  margin: clamp(24px, 3.5vw, 38px) 0 0;
  padding: 0;
}

.page-contact .contact-steps li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-steps li:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-steps .mono-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--green);
  letter-spacing: .08em;
  padding-top: 3px;
}

.page-contact .contact-steps h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}

.page-contact .contact-steps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-dim);
}

/* ---------- 合作与商务 ---------- */
.page-contact .contact-biz {
  padding-block: var(--pc-block);
}

.page-contact .contact-biz__list {
  display: grid;
  margin-top: clamp(26px, 4vw, 42px);
}

.page-contact .contact-biz__item {
  display: grid;
  gap: 8px;
  padding: clamp(20px, 3vw, 28px) 0;
  border-top: 1px solid rgba(25, 27, 34, .16);
}

.page-contact .contact-biz__item:last-child {
  border-bottom: 1px solid rgba(25, 27, 34, .16);
}

.page-contact .contact-biz__item h3 {
  margin: 0;
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 700;
  color: var(--paper-ink);
}

.page-contact .contact-biz__item h3::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 10px;
  background: var(--green-deep);
  transform: skewX(-18deg);
  vertical-align: 1px;
}

.page-contact .contact-biz__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(25, 27, 34, .76);
}

.page-contact .contact-biz__note {
  margin: clamp(24px, 3.5vw, 36px) 0 0;
  padding: 16px 18px;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(25, 27, 34, .82);
  border-left: 3px solid var(--green-deep);
  background: rgba(25, 27, 34, .05);
  word-break: break-word;
}

.page-contact .contact-biz__note a {
  color: var(--green-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 书面通信 ---------- */
.page-contact .contact-post {
  padding-block: var(--pc-block);
  background:
    radial-gradient(100% 80% at 6% 100%, rgba(183, 255, 60, .1), transparent 62%),
    var(--ink-900);
}

.page-contact .contact-post__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-contact .contact-post__intro h2 {
  margin-top: 12px;
}

.page-contact .contact-post__hint {
  margin: 18px 0 0;
  max-width: 44ch;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

.page-contact .contact-post__hint a {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid rgba(183, 255, 60, .4);
}

.page-contact .contact-post__card {
  padding: clamp(22px, 3vw, 30px);
  font-style: normal;
}

.page-contact .contact-post__label {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: 12.5px;
  letter-spacing: .16em;
  color: var(--green);
}

.page-contact .contact-post__value {
  margin: 0 0 18px;
  font-size: clamp(17px, 2.4vw, 21px);
  line-height: 1.75;
  letter-spacing: .02em;
  color: var(--text);
}

.page-contact .contact-post__note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .contact-channels__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--pc-gap);
    margin-inline: 0;
    padding: 0;
    overflow: visible;
  }

  .page-contact .contact-card {
    flex: none;
    min-height: 340px;
  }

  .page-contact .contact-timeline__row {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 30px;
    align-items: baseline;
  }

  .page-contact .contact-biz__item {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 34px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(300px, .85fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-report__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: center;
  }

  .page-contact .contact-post__grid {
    grid-template-columns: minmax(0, 1fr) minmax(340px, .82fr);
    align-items: center;
  }
}
<<<END>>>