.page-contact {
  --contact-gap: clamp(16px, 2.6vw, 28px);
  --contact-cut: 26px;
}

.page-contact .contact-crumbs {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(24px, 4vw, 48px) 0 clamp(36px, 6vw, 80px);
  overflow: hidden;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  top: 4%;
  width: min(58%, 620px);
  aspect-ratio: 1;
  background: radial-gradient(circle at 50% 50%, var(--mint-soft), transparent 68%);
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .contact-hero__lead h1 {
  margin: 14px 0 0;
  font-family: var(--font-sans);
  font-size: clamp(30px, 6.4vw, 62px);
  line-height: 1.06;
  letter-spacing: 0.01em;
  font-weight: 800;
  color: var(--white);
}

.page-contact .contact-hero__intro {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 36em;
  color: var(--mist);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
}

.page-contact .contact-lines {
  margin-top: clamp(24px, 3.6vw, 40px);
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
}

.page-contact .contact-line {
  padding-top: clamp(12px, 1.8vw, 16px);
  border-top: 1px solid var(--line-strong);
}

.page-contact .contact-line__label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mint);
}

.page-contact .contact-line__value {
  display: block;
  margin-top: 8px;
  color: var(--white);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .contact-line__value--mail {
  font-size: clamp(17px, 3vw, 27px);
  line-height: 1.3;
}

.page-contact .contact-line__value--tel {
  font-size: clamp(28px, 5.6vw, 48px);
  letter-spacing: 0.04em;
  line-height: 1.1;
}

.page-contact .contact-line__action {
  display: inline-flex;
  margin-top: 14px;
  width: auto;
}

.page-contact .contact-brief {
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  color: var(--ink);
  clip-path: polygon(0 0, calc(100% - var(--contact-cut)) 0, 100% var(--contact-cut), 100% 100%, 0 100%);
}

.page-contact .contact-brief__num {
  margin: clamp(10px, 1.6vw, 16px) 0 0;
  font-size: clamp(42px, 7.4vw, 68px);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--mint-deep);
}

.page-contact .contact-brief__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
}

.page-contact .contact-brief__list {
  margin: clamp(14px, 2vw, 20px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink-line);
}

.page-contact .contact-brief__list li {
  position: relative;
  padding: 10px 0 10px 18px;
  font-size: 13px;
  line-height: 1.7;
  border-bottom: 1px solid var(--ink-line);
}

.page-contact .contact-brief__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 8px;
  height: 1px;
  background: var(--mint-deep);
}

/* ---------- 联络通道 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: var(--contact-gap);
  margin-top: clamp(22px, 3.4vw, 36px);
}

.page-contact .channel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 30px);
  background: linear-gradient(158deg, var(--night-3), var(--night-2));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--contact-cut)) 0, 100% var(--contact-cut), 100% 100%, var(--contact-cut) 100%, 0 calc(100% - var(--contact-cut)));
}

.page-contact .channel--primary {
  background: linear-gradient(155deg, rgba(56, 242, 196, 0.15), var(--night-2) 58%);
  border-color: var(--mint);
}

.page-contact .channel h3 {
  margin: 0;
  font-size: clamp(17px, 2.2vw, 21px);
  color: var(--white);
  letter-spacing: 0.02em;
}

.page-contact .channel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .channel__value {
  font-size: clamp(15px, 2.2vw, 20px);
  color: var(--mint);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel--primary .channel__value {
  font-size: clamp(16px, 2.8vw, 25px);
}

.page-contact .channel__note {
  padding-top: 10px;
  border-top: 1px dashed var(--line-strong);
  font-size: 13px !important;
  color: var(--mist);
  opacity: 0.86;
}

.page-contact .contact-address {
  margin-top: clamp(20px, 3vw, 32px);
  padding: 14px clamp(16px, 2.4vw, 22px);
  background: var(--night-2);
  border: 1px solid var(--line);
}

.page-contact .contact-address summary {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--mint);
}

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

.page-contact .contact-address summary::before {
  content: "+";
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  font-size: 14px;
  line-height: 1;
  color: var(--mint);
  border: 1px solid var(--mint);
}

.page-contact .contact-address[open] summary::before {
  content: "\2212";
}

.page-contact .contact-address summary:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 4px;
}

.page-contact .contact-address__body {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-address__body p {
  margin: 0 0 8px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-contact .contact-address__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 响应流程 ---------- */
.page-contact .contact-flow {
  padding-top: clamp(8px, 2vw, 16px);
}

.page-contact .contact-flow__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(22px, 3.4vw, 36px);
}

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

.page-contact .contact-flow__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.04);
}

.page-contact .flow-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: clamp(20px, 2.8vw, 30px);
}

.page-contact .flow-step {
  position: relative;
  padding-left: 62px;
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 44px;
  bottom: calc(-1 * clamp(20px, 2.8vw, 30px));
  width: 1px;
  background: linear-gradient(180deg, var(--mint), rgba(56, 242, 196, 0));
}

.page-contact .flow-step:last-child::before {
  display: none;
}

.page-contact .flow-step__num {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  font-size: 13px;
  color: var(--mint);
  background: var(--mint-soft);
  border: 1px solid var(--mint);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

.page-contact .flow-step__title {
  margin: 4px 0 0;
  font-size: clamp(16px, 2vw, 19px);
  color: var(--white);
  letter-spacing: 0.01em;
}

.page-contact .flow-step__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 咨询类型 ---------- */
.page-contact .contact-tabs {
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-contact .contact-tabs .segmented {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .contact-tabs .segment {
  font-family: var(--font-sans);
  font-size: 13.5px;
  line-height: 1.2;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--mist);
  cursor: pointer;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-contact .contact-tabs .segment:hover {
  border-color: var(--mint);
  color: var(--white);
}

.page-contact .contact-tabs .segment[aria-selected="true"] {
  background: var(--mint-soft);
  border-color: var(--mint);
  color: var(--white);
}

.page-contact .contact-tabs .segment:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}

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

.page-contact .contact-panel {
  padding: clamp(20px, 2.8vw, 32px);
  background: rgba(14, 42, 74, 0.72);
  border: 1px solid var(--line);
  border-left: 3px solid var(--mint);
}

.page-contact .contact-panel + .contact-panel {
  margin-top: 12px;
}

.page-contact .contact-panel__title {
  margin: 0 0 10px;
  font-size: clamp(16px, 2vw, 20px);
  color: var(--white);
}

.page-contact .contact-panel p {
  margin: 0;
  max-width: 60em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-panel:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}

/* ---------- 合作与反馈（奶油区） ---------- */
.page-contact .contact-coop {
  margin-top: clamp(24px, 4vw, 56px);
  padding: clamp(38px, 6vw, 76px) 0 clamp(56px, 8vw, 96px);
  background: var(--cream);
  color: var(--ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 42px), 0 100%);
}

.page-contact .contact-coop .section-index {
  color: var(--mint-deep);
}

.page-contact .contact-coop .section-title {
  color: var(--ink);
}

.page-contact .contact-coop .lead {
  color: rgba(43, 31, 26, 0.78);
}

.page-contact .coop-grid {
  display: grid;
  gap: var(--contact-gap);
  margin-top: clamp(22px, 3.4vw, 36px);
}

.page-contact .coop-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(18px, 2.4vw, 26px);
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid var(--ink-line);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-contact .coop-card__tag {
  align-self: flex-start;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--white);
  background: var(--mint-deep);
}

.page-contact .coop-card__tag--amber {
  color: var(--ink);
  background: var(--amber);
}

.page-contact .coop-card h3 {
  margin: 0;
  font-size: clamp(16px, 1.9vw, 18px);
  line-height: 1.45;
  color: var(--ink);
}

.page-contact .coop-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: rgba(43, 31, 26, 0.8);
}

/* ---------- 地域 ---------- */
.page-contact .contact-region {
  position: relative;
  padding: clamp(40px, 6vw, 76px) 0;
  background: linear-gradient(180deg, var(--night) 0%, var(--night-2) 100%);
  overflow: hidden;
}

.page-contact .contact-region::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 140px;
  background: repeating-linear-gradient(90deg, transparent 0 46px, rgba(56, 242, 196, 0.1) 46px 47px);
  pointer-events: none;
}

.page-contact .contact-region__figure {
  position: relative;
  margin: 0;
}

.page-contact .contact-region__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.8) contrast(1.05);
}

.page-contact .contact-region__grid {
  position: relative;
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  margin-top: clamp(22px, 3.4vw, 36px);
}

.page-contact .contact-region__copy .section-title {
  margin-top: 10px;
}

.page-contact .contact-region__copy p {
  margin: 12px 0 0;
  max-width: 42em;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--mist);
}

.page-contact .contact-region__stats {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .region-stat {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: clamp(14px, 2vw, 20px) clamp(16px, 2.2vw, 22px);
  background: var(--night);
}

.page-contact .region-stat__num {
  font-size: clamp(26px, 4vw, 36px);
  line-height: 1;
  color: var(--mint);
  letter-spacing: -0.01em;
}

.page-contact .region-stat__label {
  font-size: 13px;
  color: var(--mist);
}

/* ---------- 信息用途 ---------- */
.page-contact .contact-privacy {
  padding: clamp(36px, 5.5vw, 72px) 0 clamp(48px, 7vw, 88px);
}

.page-contact .contact-privacy__grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
}

.page-contact .contact-privacy__copy .section-title {
  margin-top: 10px;
}

.page-contact .contact-privacy__copy p {
  margin: 12px 0 0;
  max-width: 40em;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--mist);
}

.page-contact .contact-privacy__links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .contact-privacy__links li {
  background: var(--night-2);
}

.page-contact .contact-privacy__links a {
  display: block;
  padding: 14px clamp(16px, 2.2vw, 20px);
  font-size: 14px;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-contact .contact-privacy__links a:hover {
  color: var(--white);
  background: rgba(56, 242, 196, 0.08);
}

.page-contact .contact-privacy__links a:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: -3px;
  color: var(--white);
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .channel-grid {
    grid-template-columns: 1.3fr 0.85fr;
    grid-template-rows: auto auto;
  }

  .page-contact .channel--primary {
    grid-row: 1 / span 2;
  }

  .page-contact .contact-flow__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

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

  .page-contact .contact-region__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-contact .contact-privacy__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-contact .coop-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .page-contact .contact-line__action {
    width: 100%;
    justify-content: center;
  }

  .page-contact .contact-tabs .segment {
    flex: 1 1 auto;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-tabs .segment,
  .page-contact .contact-privacy__links a {
    transition: none;
  }
}