/* ============================================
   联系我们页 / page-contact
   ============================================ */

.page-contact {
  --pc-edge: 1px solid var(--line);
  --pc-edge-soft: 1px solid rgba(140, 163, 154, 0.16);
  --pc-pad: clamp(22px, 3vw, 34px);
  background: var(--bg-deep);
  color: var(--mist);
  padding-bottom: clamp(40px, 6vw, 84px);
  overflow-x: hidden;
}

.page-contact .section-title {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  margin-top: clamp(18px, 3vw, 30px);
}

.page-contact .breadcrumb__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-contact .breadcrumb__list li + li::before {
  content: "/";
  margin-right: 10px;
  color: rgba(140, 163, 154, 0.55);
}

.page-contact .breadcrumb__list a {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .breadcrumb__list a:hover,
.page-contact .breadcrumb__list a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-contact .breadcrumb__list [aria-current="page"] {
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(26px, 4.4vw, 52px) 0 clamp(20px, 3vw, 34px);
}

.page-contact .contact-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  align-items: end;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(29px, 6vw, 52px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  max-width: 17ch;
}

.page-contact .contact-hero__lead {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: clamp(15.5px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(241, 245, 238, 0.82);
}

.page-contact .contact-hero__stat {
  position: relative;
  border: var(--pc-edge);
  border-radius: var(--r-xl);
  padding: var(--pc-pad);
  background:
    linear-gradient(155deg, rgba(14, 43, 58, 0.82), rgba(20, 58, 47, 0.42));
  overflow: hidden;
}

.page-contact .contact-hero__stat::after {
  content: "";
  position: absolute;
  right: -72px;
  bottom: -86px;
  width: 230px;
  height: 230px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 255, 74, 0.22), transparent 68%);
  pointer-events: none;
}

.page-contact .contact-hero__stat-num {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__stat-unit {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--slate);
}

.page-contact .contact-hero__stat-label {
  margin: 8px 0 0;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--mist);
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__facts {
  list-style: none;
  margin: 20px 0 0;
  padding: 18px 0 0;
  border-top: 1px dashed var(--line);
  display: grid;
  gap: 10px;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(241, 245, 238, 0.78);
  position: relative;
  z-index: 1;
}

/* ---------- 窄幅氛围图 ---------- */
.page-contact .contact-strip {
  margin: 0;
  padding: clamp(10px, 2vw, 20px) 0 clamp(22px, 3.4vw, 40px);
}

.page-contact .contact-strip img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 380;
  object-fit: cover;
  border-radius: var(--r-xl);
  border: var(--pc-edge);
}

.page-contact .contact-strip figcaption {
  margin-top: 12px;
  font-family: var(--font-sans);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

/* ---------- 两条通道卡片 ---------- */
.page-contact .contact-channels {
  margin-top: clamp(24px, 3.4vw, 40px);
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: var(--pc-pad);
  border: var(--pc-edge);
  border-radius: var(--r-xl);
  background: linear-gradient(160deg, rgba(20, 58, 47, 0.66), rgba(10, 42, 34, 0.94));
  overflow: hidden;
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--pc-pad);
  right: var(--pc-pad);
  height: 3px;
  border-radius: 0 0 4px 4px;
}

.page-contact .channel-card--support {
  border-color: var(--line-blue);
}

.page-contact .channel-card--support::before {
  background: var(--blue);
}

.page-contact .channel-card--partner {
  border-color: rgba(255, 138, 60, 0.32);
}

.page-contact .channel-card--partner::before {
  background: var(--orange);
}

.page-contact .channel-card__label {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 6px 0 0;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-contact .channel-card__key {
  display: inline-block;
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid rgba(70, 216, 255, 0.32);
  background: rgba(70, 216, 255, 0.12);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--blue);
}

.page-contact .channel-card--partner .channel-card__key {
  border-color: rgba(255, 138, 60, 0.34);
  background: rgba(255, 138, 60, 0.12);
  color: var(--orange);
}

.page-contact .channel-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(20px, 2.4vw, 27px);
  line-height: 1.36;
}

.page-contact .channel-card p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(241, 245, 238, 0.84);
}

.page-contact .channel-card__list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(241, 245, 238, 0.76);
}

.page-contact .channel-card__list li {
  position: relative;
  padding-left: 19px;
}

.page-contact .channel-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--lime);
  transform: rotate(45deg);
}

.page-contact .channel-card--partner .channel-card__list li::before {
  background: var(--orange);
}

.page-contact .channel-card__contact {
  margin: auto 0 0;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 9px 16px;
  font-size: 13.5px;
}

.page-contact .channel-card__contact dt {
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--slate);
  white-space: nowrap;
}

.page-contact .channel-card__contact dd {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  line-height: 1.55;
  color: var(--mist);
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* ---------- 联系方式明细 ---------- */
.page-contact .contact-detail__list {
  list-style: none;
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  border: var(--pc-edge);
  border-radius: var(--r-lg);
  background: var(--line);
  overflow: hidden;
}

.page-contact .contact-detail__item {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: var(--pc-pad);
  background: linear-gradient(150deg, rgba(20, 58, 47, 0.82), rgba(10, 42, 34, 0.96));
}

.page-contact .contact-detail__k {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-contact .contact-detail__v {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.5;
  color: var(--mist);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .contact-detail__v--accent {
  color: var(--lime);
}

.page-contact .contact-detail__n {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(241, 245, 238, 0.7);
}

/* ---------- 合作类型 ---------- */
.page-contact .coop-layout {
  align-items: start;
}

.page-contact .coop-cloud {
  margin-top: clamp(22px, 3vw, 34px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-contact .coop-chip {
  border: var(--pc-edge-soft);
  border-radius: var(--r-md);
  background: rgba(14, 43, 58, 0.5);
  transition: border-color 0.22s ease, background 0.22s ease;
}

.page-contact .coop-chip summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-sans);
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--mist);
}

.page-contact .coop-chip--wide summary {
  font-size: 18px;
  padding: 18px 20px;
}

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

.page-contact .coop-chip summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--lime);
}

.page-contact .coop-chip[open] summary::after {
  content: "–";
}

.page-contact .coop-chip[open] {
  border-color: rgba(201, 255, 74, 0.4);
  background: rgba(20, 58, 47, 0.82);
}

.page-contact .coop-chip__name {
  flex: 1 1 auto;
}

.page-contact .coop-chip__count {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--slate);
  white-space: nowrap;
}

.page-contact .coop-chip__body {
  padding: 0 18px 18px;
  display: grid;
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(241, 245, 238, 0.8);
}

.page-contact .coop-chip__body p {
  margin: 0;
}

.page-contact .coop-chip__need {
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px;
  color: var(--slate);
}

.page-contact .coop-figure {
  margin: clamp(24px, 3.4vw, 36px) 0 0;
}

.page-contact .coop-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--r-lg);
  border: var(--pc-edge);
}

.page-contact .coop-figure figcaption {
  margin-top: 12px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

/* ---------- 合作邮件写法 ---------- */
.page-contact .mail-guide {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 40px);
  align-items: start;
}

.page-contact .mail-guide__sample {
  border: 1px solid rgba(201, 255, 74, 0.3);
  border-radius: var(--r-lg);
  padding: clamp(18px, 2.4vw, 26px);
  background: linear-gradient(150deg, rgba(20, 58, 47, 0.86), rgba(10, 42, 34, 0.94));
}

.page-contact .mail-guide__sample-label {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-contact .mail-guide__sample-line {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(14.5px, 1.5vw, 17px);
  line-height: 1.6;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-contact .mail-guide__token {
  color: var(--lime);
}

.page-contact .mail-guide__sample-eg {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
  overflow-wrap: anywhere;
}

.page-contact .mail-guide__checklist {
  list-style: none;
  counter-reset: mg;
  margin: 20px 0 0;
  padding: 0;
  border-top: var(--pc-edge-soft);
}

.page-contact .mail-guide__checklist li {
  position: relative;
  counter-increment: mg;
  padding: 14px 0 14px 40px;
  border-bottom: var(--pc-edge-soft);
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(241, 245, 238, 0.82);
}

.page-contact .mail-guide__checklist li::before {
  content: "0" counter(mg);
  position: absolute;
  left: 0;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--lime);
}

/* ---------- 响应节奏 ---------- */
.page-contact .rhythm-list {
  list-style: none;
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(20px, 2.8vw, 30px);
}

.page-contact .rhythm-item {
  display: grid;
  gap: 12px;
  padding-bottom: clamp(18px, 2.4vw, 24px);
  border-bottom: 1px dashed var(--line);
}

.page-contact .rhythm-item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .rhythm-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 20px;
}

.page-contact .rhythm-item__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.35;
}

.page-contact .rhythm-item__meta {
  font-size: 13.5px;
  letter-spacing: 0.03em;
  color: var(--slate);
}

.page-contact .rhythm-scale {
  position: relative;
  height: 10px;
  border-radius: 999px;
  background: rgba(140, 163, 154, 0.16);
  overflow: hidden;
}

.page-contact .rhythm-scale__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(201, 255, 74, 0.95), rgba(201, 255, 74, 0.45));
}

.page-contact .rhythm-item__note {
  margin: 0;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(241, 245, 238, 0.72);
}

/* ---------- 地区与备案 ---------- */
.page-contact .region-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.2vw, 40px);
  align-items: center;
  padding: clamp(24px, 3.4vw, 42px);
  border: var(--pc-edge);
  border-radius: var(--r-xl);
  background: linear-gradient(140deg, rgba(14, 43, 58, 0.62), rgba(10, 42, 34, 0.94));
}

.page-contact .region-panel__lead {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.82;
  color: rgba(241, 245, 238, 0.8);
}

.page-contact .region-facts {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: var(--pc-edge-soft);
}

.page-contact .region-facts__row {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: var(--pc-edge-soft);
}

.page-contact .region-facts dt {
  font-family: var(--font-sans);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-contact .region-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.6;
  color: var(--mist);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .region-figure {
  margin: 0;
}

.page-contact .region-figure svg {
  display: block;
  width: 100%;
  max-width: 320px;
  height: auto;
  margin: 0 auto;
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-contact .contact-detail__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .coop-cloud {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .coop-chip--wide {
    grid-column: span 2;
  }
}

@media (min-width: 860px) {
  .page-contact .region-panel {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
  }

  .page-contact .region-figure svg {
    margin: 0;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.8fr);
  }

  .page-contact .mail-guide {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  }

  .page-contact .coop-figure {
    margin-top: clamp(52px, 5vw, 72px);
  }
}

@media (max-width: 560px) {
  .page-contact .contact-hero__stat {
    padding: 20px 18px;
  }

  .page-contact .channel-card__contact {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-contact .channel-card__contact dd {
    margin-bottom: 6px;
  }

  .page-contact .rhythm-item__head {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .coop-chip,
  .page-contact .rhythm-scale__fill {
    transition: none;
  }
}
<<<END>>>