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

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

.page-contact .contact-narrow {
  max-width: 780px;
  margin-inline: auto;
}

/* ---------- 页头 ---------- */
.page-contact .contact-head {
  position: relative;
  padding: clamp(26px, 5vw, 48px) 0 clamp(34px, 6vw, 60px);
  border-bottom: var(--line-bold) solid var(--panel);
  overflow: hidden;
}

.page-contact .contact-head::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(79, 195, 217, .08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(79, 195, 217, .08) 1px, transparent 1px);
  background-size: 68px 68px;
  pointer-events: none;
}

.page-contact .contact-head::after {
  content: "";
  position: absolute;
  top: -10%;
  right: -80px;
  width: 240px;
  height: 120%;
  background: linear-gradient(180deg, rgba(224, 58, 58, .18), rgba(242, 194, 48, .05));
  transform: skewX(-14deg);
  pointer-events: none;
}

.page-contact .contact-head-inner {
  position: relative;
  z-index: 1;
}

.page-contact .contact-kicker {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--yellow);
  text-transform: uppercase;
}

.page-contact h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8vw, 60px);
  line-height: 1.06;
  letter-spacing: -.01em;
}

.page-contact .contact-lead {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: 16.5px;
  line-height: 1.9;
  color: rgba(244, 240, 230, .78);
}

/* ---------- 服务时段 ---------- */
.page-contact .hours {
  margin-top: clamp(26px, 5vw, 44px);
  max-width: 640px;
  padding: 18px 20px 16px;
  border: var(--line) solid rgba(138, 147, 160, .35);
  background: linear-gradient(180deg, rgba(42, 51, 66, .72), rgba(11, 27, 51, .72));
  outline: none;
}

.page-contact .hours:focus-visible {
  border-color: var(--cyan);
}

.page-contact .hours-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
}

.page-contact .hours-label {
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--steel);
}

.page-contact .hours-value {
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--green);
}

.page-contact .hours-bar {
  position: relative;
  height: 12px;
  margin-top: 14px;
  background: rgba(138, 147, 160, .2);
  border: 1px solid rgba(138, 147, 160, .3);
}

.page-contact .hours-fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  background: linear-gradient(90deg, var(--green), #4bbd85);
  box-shadow: 0 0 12px rgba(47, 163, 107, .45);
}

.page-contact .hours-scale {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--steel);
}

.page-contact .hours-hint {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(244, 240, 230, .55);
  transition: color .22s var(--ease);
}

.page-contact .hours:hover .hours-hint,
.page-contact .hours:focus-within .hours-hint {
  color: var(--cyan);
}

/* ---------- 纸面区 ---------- */
.page-contact .paper-zone {
  background: var(--paper-shade);
  color: var(--ink);
}

.page-contact .section {
  padding: clamp(38px, 6.5vw, 72px) 0;
}

.page-contact .sec-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 4.4vw, 33px);
  line-height: 1.22;
  letter-spacing: -.005em;
}

.page-contact .sec-note {
  margin: 0 0 clamp(22px, 4vw, 34px);
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.85;
  color: #46536a;
}

/* ---------- 渠道横幅 ---------- */
.page-contact .channel-banner {
  margin: 0 0 clamp(24px, 4vw, 36px);
  border: var(--line-bold) solid var(--ink);
  box-shadow: var(--shadow-hard-sm);
  background: var(--ink);
  line-height: 0;
}

.page-contact .channel-banner img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 渠道卡 ---------- */
.page-contact .channel-list {
  display: grid;
  gap: clamp(20px, 4vw, 34px);
}

.page-contact .channel-card {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  padding: clamp(20px, 3.4vw, 28px);
  background: var(--paper);
  color: var(--ink);
  border: var(--line-bold) solid var(--ink);
  box-shadow: var(--shadow-hard);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}

.page-contact .channel-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: var(--shadow-lift);
}

.page-contact .channel-icon {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border: var(--line) solid var(--ink);
  background: var(--paper-shade);
}

.page-contact .icon-envelope {
  position: relative;
}

.page-contact .icon-envelope::before {
  content: "";
  display: block;
  width: 30px;
  height: 21px;
  border: var(--line) solid var(--ink);
}

.page-contact .icon-envelope::after {
  content: "";
  position: absolute;
  top: 17px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 15px solid transparent;
  border-right: 15px solid transparent;
  border-top: 11px solid var(--red);
}

.page-contact .icon-phone {
  position: relative;
}

.page-contact .icon-phone::before {
  content: "";
  display: block;
  width: 20px;
  height: 32px;
  border: var(--line) solid var(--ink);
  border-radius: 4px;
}

.page-contact .icon-phone::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 15px;
  transform: translateX(-50%);
  width: 8px;
  height: 2px;
  background: var(--clay);
}

.page-contact .channel-tag {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--clay);
}

.page-contact .channel-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 3.2vw, 26px);
  line-height: 1.2;
}

.page-contact .channel-value {
  display: inline-block;
  margin: 0 0 14px;
  padding: 7px 11px;
  background: var(--ink);
  color: var(--yellow);
  font-size: clamp(14px, 2.4vw, 18px);
  letter-spacing: .01em;
  overflow-wrap: anywhere;
  word-break: break-all;
}

.page-contact .channel-body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.82;
  color: #222b39;
}

.page-contact .channel-tip {
  margin: 0 !important;
  padding-left: 12px;
  border-left: 3px solid var(--green);
  font-size: 13.5px !important;
  color: #4b5768 !important;
}

/* ---------- 响应说明 ---------- */
.page-contact .response-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
  margin: 0 0 26px;
}

.page-contact .response-card {
  padding: 16px 0 0;
  border-top: var(--line-bold) solid var(--green);
}

.page-contact .response-card:nth-child(2) {
  border-color: var(--yellow);
}

.page-contact .response-card:nth-child(3) {
  border-color: var(--cyan);
}

.page-contact .response-num {
  margin: 0;
  font-size: clamp(21px, 3.4vw, 27px);
  line-height: 1.2;
  color: var(--ink);
}

.page-contact .response-label {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: #46536a;
}

.page-contact .hours-body {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.85;
  color: #2b3547;
}

/* ---------- 合作条目 ---------- */
.page-contact .collab-list {
  display: grid;
  gap: clamp(20px, 3.5vw, 28px);
}

.page-contact .collab-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  padding-bottom: 22px;
  border-bottom: 2px solid rgba(42, 51, 66, .18);
}

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

.page-contact .collab-num {
  font-size: 25px;
  line-height: 1.1;
  color: var(--moss);
}

.page-contact .collab-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(17px, 2.6vw, 21px);
  line-height: 1.3;
  color: var(--ink);
}

.page-contact .collab-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: #2b3547;
}

/* ---------- 地址卡（回到深色） ---------- */
.page-contact .contact-address {
  background: var(--ink);
  color: var(--paper);
}

.page-contact .address-card {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: clamp(20px, 3.5vw, 30px);
  background: var(--paper);
  color: var(--ink);
  border: var(--line-bold) solid var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-contact .address-visual {
  margin: 0;
  min-height: 200px;
  background: var(--ink-deep);
  overflow: hidden;
}

.page-contact .address-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .address-body {
  padding: clamp(20px, 3.4vw, 30px);
}

.page-contact .address-label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--clay);
}

.page-contact .address-value {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(17px, 2.8vw, 22px);
  line-height: 1.55;
}

.page-contact .address-body p {
  font-size: 15px;
  line-height: 1.85;
  color: #2b3547;
}

.page-contact .address-note {
  margin: 16px 0 0 !important;
  padding-top: 12px;
  border-top: 2px dashed rgba(42, 51, 66, .28);
  font-size: 12px !important;
  letter-spacing: .1em;
  color: #55627a !important;
}

/* ---------- 平台信息 ---------- */
.page-contact .contact-legal {
  background: var(--ink-deep);
  border-top: var(--line-bold) solid var(--moss);
  padding-bottom: clamp(46px, 8vw, 84px);
}

.page-contact .legal-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid rgba(138, 147, 160, .25);
}

.page-contact .legal-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5px;
  padding: 15px 0;
  border-bottom: 2px solid rgba(138, 147, 160, .25);
}

.page-contact .legal-list .mono {
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--steel);
}

.page-contact .legal-list strong {
  font-weight: 600;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(244, 240, 230, .92);
}

.page-contact .legal-note {
  margin: 24px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(244, 240, 230, .72);
}

.page-contact .legal-note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .icp-band {
  margin: 26px 0 0;
  padding-top: 16px;
  border-top: 2px solid rgba(138, 147, 160, .25);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--steel);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .response-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }
}

@media (min-width: 760px) {
  .page-contact .address-card {
    grid-template-columns: 300px 1fr;
    align-items: stretch;
  }

  .page-contact .address-visual {
    min-height: 100%;
    border-right: var(--line-bold) solid var(--ink);
  }

  .page-contact .legal-list li {
    grid-template-columns: 140px 1fr;
    align-items: baseline;
    gap: 20px;
  }
}

@media (min-width: 900px) {
  .page-contact .channel-card:nth-child(1) {
    margin-right: 11%;
  }

  .page-contact .channel-card:nth-child(2) {
    margin-left: 11%;
  }

  .page-contact .address-card {
    margin-left: 6%;
  }
}

@media (max-width: 420px) {
  .page-contact .channel-card {
    grid-template-columns: 1fr;
  }

  .page-contact .channel-icon {
    width: 48px;
    height: 48px;
  }

  .page-contact .collab-item {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

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

  .page-contact .channel-card:hover {
    transform: none;
    box-shadow: var(--shadow-hard);
  }

  .page-contact .hours-hint {
    transition: none;
  }
}