.page-contact {
  --pc-rule: rgba(11, 59, 46, .14);
  --pc-rule-soft: rgba(11, 59, 46, .08);
  --pc-surface: var(--sand);
}

.page-contact .breadcrumbs {
  margin: 26px 0 0;
}

.page-contact .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: var(--mist);
}

.page-contact .breadcrumbs__list li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-contact .breadcrumbs__list li + li::before {
  content: "/";
  color: var(--gold);
}

.page-contact .breadcrumbs__list a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

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

.page-contact a:focus-visible,
.page-contact .btn:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  padding: 32px 0 5px;
}

.page-contact .contact-hero .eyebrow {
  display: inline-block;
  margin: 0 0 16px;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  background: var(--yellow);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.page-contact .contact-hero__title {
  margin: 0 0 20px;
  max-width: 15em;
  font-size: clamp(38px, 7.2vw, 76px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -.025em;
  color: var(--ink);
}

.page-contact .contact-hero__mark {
  display: inline-block;
  background-image: linear-gradient(transparent 64%, var(--yellow) 64%, var(--yellow) 94%, transparent 94%);
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 720px;
  font-size: 17px;
  line-height: 1.76;
  color: #2c3531;
}

/* ---------- 章节锚点条 ---------- */

.page-contact .tag-nav {
  margin: 26px 0 52px;
}

.page-contact .tag-nav__list {
  display: flex;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 4px 2px 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-contact .tag-nav__link {
  display: inline-block;
  white-space: nowrap;
  padding: 9px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--pc-rule);
  background: var(--paper);
  color: var(--green-deep);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}

.page-contact .tag-nav__link:hover {
  background: var(--green-deep);
  border-color: var(--green-deep);
  color: var(--paper);
}

.page-contact .tag-nav__link[aria-current="true"],
.page-contact .tag-nav__link.is-active {
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--ink);
}

/* ---------- 章节骨架 ---------- */

.page-contact .chapter {
  margin-bottom: 76px;
  scroll-margin-top: 110px;
}

.page-contact .chapter__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px 18px;
  align-items: start;
  margin-bottom: 28px;
  padding-top: 18px;
  border-top: 3px solid var(--green-deep);
}

.page-contact .chapter__index {
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  line-height: .95;
  letter-spacing: -.04em;
  color: var(--green-deep);
  font-variant-numeric: tabular-nums;
}

.page-contact .chapter__title {
  margin: 0 0 10px;
  font-size: clamp(23px, 3.1vw, 38px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.015em;
  color: var(--ink);
}

.page-contact .chapter__lead {
  margin: 0;
  max-width: 640px;
  font-size: 16px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 01 三条通道 ---------- */

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .channel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 24px 24px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  transform: translateY(-4px);
}

.page-contact .channel--mail {
  background: var(--green-deep);
  color: var(--paper);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2);
}

.page-contact .channel--ticket {
  background: var(--sand);
  color: var(--ink);
  border-radius: var(--radius-m);
  border: 1px solid var(--pc-rule-soft);
}

.page-contact .channel--phone {
  background: var(--yellow);
  color: var(--ink);
  border-radius: var(--radius-l);
  border: 1px solid rgba(192, 138, 22, .35);
}

.page-contact .channel__tag {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.page-contact .channel--mail .channel__tag {
  color: var(--yellow);
}

.page-contact .channel--ticket .channel__tag {
  color: var(--red);
}

.page-contact .channel--phone .channel__tag {
  color: var(--red-deep);
}

.page-contact .channel__title {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.42;
  color: inherit;
}

.page-contact .channel__value {
  margin: 0;
  padding-bottom: 10px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.6vw, 19px);
  font-weight: 700;
  letter-spacing: -.01em;
  word-break: break-all;
  border-bottom: 2px solid currentColor;
}

.page-contact .channel--mail .channel__value {
  color: var(--paper);
  border-bottom-color: rgba(255, 196, 61, .55);
}

.page-contact .channel--phone .channel__value {
  font-size: clamp(20px, 2.1vw, 26px);
  border-bottom-color: rgba(158, 20, 24, .45);
}

.page-contact .channel__value-text {
  margin: 0;
  padding-bottom: 10px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--green-deep);
  border-bottom: 2px solid rgba(11, 59, 46, .22);
}

.page-contact .channel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
  font-size: 14px;
  line-height: 1.62;
}

.page-contact .channel__list li {
  position: relative;
  padding-left: 16px;
}

.page-contact .channel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: .6;
}

.page-contact .channel--mail .channel__list {
  color: rgba(251, 247, 239, .84);
}

.page-contact .channel--ticket .channel__list,
.page-contact .channel--phone .channel__list {
  color: #2d3833;
}

.page-contact .channel__footer {
  margin: auto 0 0;
  padding-top: 14px;
  font-size: 13px;
  line-height: 1.6;
  opacity: .75;
  border-top: 1px dashed currentColor;
}

.page-contact .channel .btn {
  align-self: flex-start;
  margin-top: auto;
}

/* ---------- 首屏底部横幅 ---------- */

.page-contact .hero-banner {
  position: relative;
  margin: 24px 0 76px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--coal);
}

.page-contact .hero-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-contact .hero-banner .media-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 40px 26px 18px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--paper);
  background: linear-gradient(to top, rgba(11, 59, 46, .92), rgba(11, 59, 46, 0));
}

/* ---------- 02 反馈五样 ---------- */

.page-contact .report-steps {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .report-step {
  padding: 20px 18px 22px;
  background: var(--pc-surface);
  border-radius: var(--radius-m);
  border: 1px solid var(--pc-rule-soft);
}

.page-contact .report-step__no {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 11px;
  border-radius: var(--radius-pill);
  background: var(--green-deep);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
}

.page-contact .report-step:nth-child(3n + 2) .report-step__no {
  background: var(--red);
}

.page-contact .report-step:nth-child(3n) .report-step__no {
  background: var(--yellow);
  color: var(--ink);
}

.page-contact .report-step__title {
  margin: 0 0 7px;
  font-size: 16px;
  font-weight: 800;
  color: var(--ink);
}

.page-contact .report-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.66;
  color: var(--mist);
}

.page-contact .report-note {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 22px 24px;
  border-radius: var(--radius-l);
  background: var(--green-deep);
  color: var(--paper);
}

.page-contact .report-note__icon {
  flex: none;
  width: 26px;
  height: 26px;
  margin-top: 2px;
  color: var(--yellow);
}

.page-contact .report-note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(251, 247, 239, .92);
}

/* ---------- 03 响应节奏 ---------- */

.page-contact .response-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
}

.page-contact .response-figure {
  margin: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--pc-surface);
  box-shadow: var(--shadow-2);
}

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

.page-contact .response-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-contact .response-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 15px 2px;
  border-bottom: 1px solid var(--pc-rule);
  font-size: 15px;
  line-height: 1.66;
  color: #2c3531;
}

.page-contact .response-list li:first-child {
  border-top: 1px solid var(--pc-rule);
}

.page-contact .response-list__k {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--red);
}

.page-contact .response-tip {
  margin: 0;
  padding-left: 16px;
  border-left: 4px solid var(--yellow);
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 04 建议与合作 ---------- */

.page-contact .ideas-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-contact .ideas-card {
  padding: 28px 24px 26px;
}

.page-contact .ideas-card--suggest {
  background: var(--paper);
  border: 1px solid var(--pc-rule);
  border-top: 5px solid var(--red);
  border-radius: var(--radius-l);
}

.page-contact .ideas-card--biz {
  background: var(--coal);
  border-radius: var(--radius-xl);
}

.page-contact .ideas-card h3 {
  margin: 0 0 12px;
  font-size: 21px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--ink);
}

.page-contact .ideas-card--biz h3 {
  color: var(--yellow);
}

.page-contact .ideas-card p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.74;
  color: var(--mist);
}

.page-contact .ideas-card--biz p {
  color: rgba(251, 247, 239, .84);
}

.page-contact .ideas-card--suggest ul {
  margin: 0 0 18px;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.74;
  color: #2c3531;
}

.page-contact .ideas-card--suggest li {
  margin-bottom: 8px;
}

.page-contact .ideas-card--suggest li::marker {
  color: var(--red);
}

.page-contact .ideas-card__links {
  margin: 0;
  padding-top: 16px;
  border-top: 1px dashed rgba(11, 59, 46, .22);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .ideas-card__links a {
  color: var(--red);
  text-decoration: none;
  border-bottom: 1px solid rgba(224, 36, 36, .38);
  transition: border-color .2s var(--ease);
}

.page-contact .ideas-card__links a:hover {
  border-bottom-color: var(--red);
}

.page-contact .contact-facts {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .contact-facts li {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(251, 247, 239, .16);
  font-size: 15px;
  line-height: 1.62;
}

.page-contact .contact-facts li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .contact-facts span {
  padding-top: 3px;
  font-size: 13px;
  font-weight: 700;
  color: var(--yellow);
}

.page-contact .contact-facts strong {
  font-weight: 600;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .contact-facts strong.num {
  font-family: var(--font-mono);
}

.page-contact .ideas-card__more {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .ideas-card--biz .ideas-card__more {
  color: rgba(251, 247, 239, .84);
}

.page-contact .ideas-card__more a {
  color: var(--yellow);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 196, 61, .45);
  transition: border-color .2s var(--ease);
}

.page-contact .ideas-card__more a:hover {
  border-bottom-color: var(--yellow);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .report-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .hero-banner .media-frame__caption {
    padding: 48px 32px 22px;
    font-size: 14px;
  }
}

@media (min-width: 880px) {
  .page-contact .channel-grid {
    grid-template-columns: 1.15fr 1fr .72fr;
    align-items: stretch;
  }

  .page-contact .ideas-grid {
    grid-template-columns: 1.08fr .92fr;
  }

  .page-contact .response-list li {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact .response-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 40px;
  }
}

@media (min-width: 1060px) {
  .page-contact .report-steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel {
    transition: none;
  }

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

  .page-contact .tag-nav__link {
    transition: none;
  }
}