/* ===== 咨询服务页 · page-contact ===== */

.page-contact {
  position: relative;
  overflow-x: clip;
  background: var(--ink);
  color: var(--text);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding: clamp(30px, 5vw, 58px) 0 clamp(26px, 3.6vw, 46px);
  border-bottom: 2px solid var(--line);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--grass) 0%, var(--cyan) 34%, var(--data) 66%, var(--flare) 100%);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 84% 0%, rgba(18, 194, 106, 0.16), transparent 60%),
    radial-gradient(90% 80% at 4% 100%, rgba(46, 125, 255, 0.14), transparent 62%);
}

.page-contact .contact-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-contact .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 40px);
}

.page-contact .hero-copy {
  min-width: 0;
}

.page-contact .hero-title {
  margin: 14px 0 0;
  font-size: clamp(38px, 6.4vw, 86px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-contact .hero-lead {
  margin: clamp(16px, 2vw, 22px) 0 0;
  max-width: 62ch;
  font-size: var(--fs-18);
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .hero-channels {
  margin-top: clamp(22px, 3vw, 34px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-contact .hero-channel {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 13px 15px 15px;
  background: var(--panel);
  border: 2px solid var(--line);
  border-left-width: 5px;
  box-shadow: var(--hard-sm);
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.page-contact .hero-channel--mail { border-left-color: var(--grass); }
.page-contact .hero-channel--tel { border-left-color: var(--data); }
.page-contact .hero-channel--addr { border-left-color: var(--flare); }

.page-contact .hero-channel-label {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.22em;
  color: var(--muted);
}

.page-contact .hero-channel-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(14px, 1.5vw, 19px);
  font-weight: 700;
  line-height: 1.4;
  overflow-wrap: anywhere;
  word-break: break-word;
  color: var(--text);
}

.page-contact .hero-channel--mail .hero-channel-value { color: var(--grass); }
.page-contact .hero-channel--tel .hero-channel-value { color: var(--cyan); }
.page-contact .hero-channel--addr .hero-channel-value { color: var(--amber); }

.page-contact .hero-media {
  position: relative;
  margin: 0;
  min-width: 0;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--panel);
  border: 2px solid var(--line);
  box-shadow: var(--hard);
}

.page-contact .hero-media img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center;
}

.page-contact .hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(18, 194, 106, 0.14), rgba(46, 125, 255, 0.26));
  mix-blend-mode: screen;
}

/* ---------- 通用区块头 ---------- */

.page-contact .block-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  margin-bottom: clamp(20px, 3vw, 32px);
  padding-bottom: 14px;
  border-bottom: 2px solid var(--line);
}

.page-contact .block-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-14);
  letter-spacing: 0.18em;
  color: var(--grass);
}

.page-contact .block-title {
  margin: 0;
  font-size: clamp(22px, 2.9vw, 34px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .block-note {
  flex: 1 1 100%;
  font-size: var(--fs-14);
  color: var(--muted);
}

/* ---------- 01 渠道总览 ---------- */

.page-contact .channels-section {
  padding: clamp(38px, 5vw, 68px) 0 clamp(30px, 3.6vw, 50px);
  border-bottom: 2px solid var(--line);
}

.page-contact .channel-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  align-items: start;
}

.page-contact .channel-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px 20px 22px;
  background: var(--panel);
  border: 2px solid var(--line);
  border-top-width: 5px;
  box-shadow: var(--hard);
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.page-contact .channel-card--mail { border-top-color: var(--grass); }
.page-contact .channel-card--tel { border-top-color: var(--data); }
.page-contact .channel-card--visit { border-top-color: var(--flare); }

.page-contact .channel-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-contact .channel-card-icon {
  padding: 4px 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--muted);
  border: 2px solid var(--line);
}

.page-contact .channel-card-name {
  margin: 0;
  font-size: var(--fs-24);
  font-weight: 900;
  color: var(--text);
}

.page-contact .channel-card-value {
  margin: 0;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(15px, 1.5vw, 20px);
  font-weight: 700;
  line-height: 1.4;
  overflow-wrap: anywhere;
  word-break: break-word;
  background: var(--panel-2);
  border: 2px solid var(--line);
}

.page-contact .channel-card--mail .channel-card-value { color: var(--grass); }
.page-contact .channel-card--tel .channel-card-value { color: var(--cyan); }
.page-contact .channel-card--visit .channel-card-value {
  font-size: clamp(14px, 1.3vw, 17px);
  color: var(--amber);
}

.page-contact .channel-card-desc {
  margin: 0;
  font-size: var(--fs-18);
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .channel-card-list {
  list-style: none;
  margin: 0;
  padding: 14px 0 0;
  display: grid;
  gap: 8px;
  border-top: 2px solid var(--line);
}

.page-contact .channel-card-list li {
  position: relative;
  padding-left: 18px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .channel-card-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 2px;
  background: var(--data);
}

.page-contact .channel-card--mail .channel-card-list li::before { background: var(--grass); }
.page-contact .channel-card--tel .channel-card-list li::before { background: var(--data); }
.page-contact .channel-card--visit .channel-card-list li::before { background: var(--flare); }

/* ---------- 02 邮件咨询优先 ---------- */

.page-contact .mail-section {
  padding: clamp(38px, 5vw, 68px) 0 clamp(30px, 3.6vw, 50px);
  border-bottom: 2px solid var(--line);
}

.page-contact .mail-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 36px);
  padding: clamp(22px, 3vw, 38px);
  border: 2px solid var(--line);
  box-shadow: var(--hard);
  background:
    linear-gradient(140deg, rgba(18, 194, 106, 0.15), rgba(46, 125, 255, 0.13) 56%, rgba(7, 11, 20, 0.4)),
    var(--panel);
}

.page-contact .mail-left,
.page-contact .mail-right {
  min-width: 0;
}

.page-contact .mail-address {
  margin: 0;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(17px, 2.1vw, 26px);
  font-weight: 700;
  line-height: 1.4;
  overflow-wrap: anywhere;
  word-break: break-word;
  color: var(--grass);
  background: var(--ink);
  border: 2px solid var(--line);
  box-shadow: var(--hard-sm);
}

.page-contact .mail-copy {
  margin: 18px 0 0;
  font-size: var(--fs-18);
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .sla {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 18px 0 0;
  padding: 8px 14px;
  font-size: var(--fs-14);
  color: var(--text);
  background: var(--panel-2);
  border: 2px solid var(--line);
}

.page-contact .sla .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--grass);
  box-shadow: 0 0 0 4px rgba(18, 194, 106, 0.18);
}

.page-contact .mail-sub {
  margin: 0 0 16px;
  font-size: var(--fs-24);
  font-weight: 900;
  line-height: 1.45;
  color: var(--text);
}

.page-contact .mail-tips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .mail-tips li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  font-size: var(--fs-18);
  line-height: 1.7;
  color: var(--text);
  background: var(--panel-2);
  border: 2px solid var(--line);
}

.page-contact .mail-tips .tip-num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-14);
  color: var(--cyan);
}

/* ---------- 03 电话与地址 ---------- */

.page-contact .reach-section {
  padding: clamp(38px, 5vw, 68px) 0 clamp(30px, 3.6vw, 50px);
  border-bottom: 2px solid var(--line);
}

.page-contact .reach-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.page-contact .reach-panel {
  min-width: 0;
  padding: 22px 22px 24px;
  background: var(--panel);
  border: 2px solid var(--line);
  box-shadow: var(--hard);
}

.page-contact .reach-panel--tel { border-left: 5px solid var(--data); }
.page-contact .reach-panel--addr { border-left: 5px solid var(--flare); }

.page-contact .reach-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.22em;
  color: var(--muted);
}

.page-contact .reach-value {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--cyan);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .reach-value--addr {
  font-size: clamp(18px, 2vw, 26px);
  color: var(--amber);
  line-height: 1.4;
}

.page-contact .reach-copy {
  margin: 16px 0 0;
  font-size: var(--fs-18);
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .tag-row {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .reach-note {
  margin: 16px 0 0;
  padding-top: 14px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--muted);
  border-top: 2px solid var(--line);
}

/* ---------- 04 合作与内容接入 ---------- */

.page-contact .coop-section {
  padding: clamp(38px, 5vw, 68px) 0 clamp(30px, 3.6vw, 50px);
  border-bottom: 2px solid var(--line);
}

.page-contact .coop-lead {
  margin: 0 0 clamp(22px, 3vw, 32px);
  max-width: 68ch;
  font-size: var(--fs-18);
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.page-contact .flow-step {
  position: relative;
  min-width: 0;
  background: var(--panel);
  border: 2px solid var(--line);
  box-shadow: var(--hard-sm);
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

.page-contact .flow-step:hover {
  transform: translateY(-3px);
}

.page-contact .flow-item {
  display: block;
}

.page-contact .flow-summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 16px 16px 18px;
  cursor: pointer;
  list-style: none;
  outline-offset: 3px;
}

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

.page-contact .flow-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--grass);
}

.page-contact .flow-title {
  font-size: var(--fs-18);
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.page-contact .flow-cue {
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--muted);
  transition: color 0.25s ease;
}

.page-contact .flow-item[open] .flow-cue {
  color: var(--flare);
}

.page-contact .flow-body {
  margin: 0;
  padding: 14px 16px 18px;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--muted);
  border-top: 2px solid var(--line);
}

/* ---------- 05 提交前检查清单 ---------- */

.page-contact .check-section {
  padding: clamp(38px, 5vw, 68px) 0 clamp(30px, 3.6vw, 50px);
  border-bottom: 2px solid var(--line);
}

.page-contact .check-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 38px);
}

.page-contact .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .check-item {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 13px 16px;
  font-size: var(--fs-18);
  line-height: 1.7;
  color: var(--text);
  background: var(--panel);
  border: 2px solid var(--line);
  box-shadow: var(--hard-sm);
}

.page-contact .check-box {
  display: block;
  width: 20px;
  height: 20px;
  margin-top: 4px;
  border: 2px solid var(--grass);
  background: rgba(18, 194, 106, 0.08);
}

.page-contact .check-media {
  margin: 0;
  min-width: 0;
  overflow: hidden;
  background: var(--panel);
  border: 2px solid var(--line);
  box-shadow: var(--hard);
}

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

.page-contact .check-media figcaption {
  padding: 11px 14px;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  line-height: 1.7;
  color: var(--muted);
  background: var(--panel-2);
  border-top: 2px solid var(--line);
}

/* ---------- 06 常见问题 ---------- */

.page-contact .faq-section {
  padding: clamp(38px, 5vw, 68px) 0 clamp(30px, 3.6vw, 50px);
}

.page-contact .faq-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.page-contact .faq-item {
  min-width: 0;
  padding: 20px;
  background: var(--panel);
  border: 2px solid var(--line);
  border-top: 4px solid var(--data);
  box-shadow: var(--hard-sm);
}

.page-contact .faq-item:nth-child(2) { border-top-color: var(--grass); }
.page-contact .faq-item:nth-child(3) { border-top-color: var(--flare); }

.page-contact .faq-q {
  margin: 0 0 10px;
  font-size: var(--fs-18);
  font-weight: 900;
  line-height: 1.5;
  color: var(--text);
}

.page-contact .faq-a {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .faq-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.6vw, 30px);
}

/* ---------- 收束 ---------- */

.page-contact .closing-section {
  padding: 0 0 clamp(42px, 5vw, 70px);
}

.page-contact .closing-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding: clamp(24px, 3.4vw, 40px);
  border: 2px solid var(--line);
  box-shadow: var(--hard);
  background:
    linear-gradient(100deg, rgba(18, 194, 106, 0.2), rgba(46, 125, 255, 0.17) 58%, rgba(255, 106, 43, 0.16)),
    var(--panel-2);
}

.page-contact .closing-text {
  margin: 0;
  font-size: clamp(18px, 2.1vw, 26px);
  font-weight: 700;
  line-height: 1.6;
  color: var(--text);
}

.page-contact .closing-mail {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
  word-break: break-word;
  color: var(--grass);
}

.page-contact .closing-actions {
  align-self: center;
}

.page-contact .closing-links {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--muted);
}

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

.page-contact .closing-links a:hover {
  color: var(--grass);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .hero-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .page-contact .block-note {
    flex: 0 0 auto;
    margin-left: auto;
  }
}

@media (min-width: 820px) {
  .page-contact .reach-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

@media (min-width: 860px) {
  .page-contact .channel-cards {
    grid-template-columns: 1.3fr minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-contact .channel-card:nth-child(2) { margin-top: 30px; }
  .page-contact .channel-card:nth-child(3) { margin-top: 14px; }

  .page-contact .faq-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-contact .mail-panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }
}

@media (min-width: 900px) {
  .page-contact .check-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-contact .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .flow-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 32px;
    left: 100%;
    width: var(--gap);
    height: 2px;
    background: linear-gradient(90deg, var(--cyan), var(--data));
    opacity: 0.6;
  }
}

@media (min-width: 940px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(260px, 0.72fr);
    align-items: stretch;
  }

  .page-contact .hero-media {
    aspect-ratio: auto;
    height: 100%;
    min-height: 400px;
  }
}

@media (min-width: 960px) {
  .page-contact .closing-band {
    grid-template-columns: minmax(0, 1.55fr) auto;
    align-items: center;
  }

  .page-contact .closing-links {
    grid-column: 1 / -1;
    padding-top: 14px;
    border-top: 2px solid var(--line);
  }
}

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

  .page-contact .hero-channel:hover,
  .page-contact .channel-card:hover,
  .page-contact .flow-step:hover {
    transform: none;
  }
}