/* ===== 联系我们 · 页面专属样式 ===== */
.page-contact {
  --contact-dark-teal: #0A3B40;
  --contact-muted: #4A4A4A;
  --contact-line: #D8DDE3;
  background: var(--color-bg);
  overflow-wrap: anywhere;
}

/* ---------- Hero ---------- */
.page-contact .contact-hero {
  padding: 36px 0 44px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-line);
  position: relative;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary) 68%, var(--color-accent) 68%, var(--color-accent) 100%);
}

.page-contact .breadcrumb {
  margin-bottom: 34px;
}

.page-contact .contact-hero-inner {
  display: flex;
  flex-direction: column;
  gap: 26px;
  align-items: flex-start;
}

.page-contact .contact-eyebrow {
  font-family: var(--font-caption);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin: 0 0 14px;
}

.page-contact .contact-hero-heading h1 {
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: clamp(34px, 6vw, 64px);
  line-height: 1.08;
  margin: 0 0 20px;
  color: var(--color-text);
  letter-spacing: -0.02em;
  border-left: 4px solid var(--color-primary);
  padding-left: 16px;
}

.page-contact .contact-h1-sub {
  display: block;
  color: var(--color-primary);
  font-size: clamp(17px, 2.6vw, 28px);
  font-weight: 900;
  line-height: 1.4;
  margin-top: 8px;
}

.page-contact .contact-hero-lead {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text-secondary);
  max-width: 580px;
  margin: 0;
}

.page-contact .contact-hero-side {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-contact .contact-hero-side .section-index {
  font-family: var(--font-caption);
  font-size: 14px;
  color: var(--color-primary);
  border: 1px solid var(--color-line);
  padding: 5px 9px;
}

.page-contact .vertical-annotation {
  writing-mode: vertical-rl;
  font-family: var(--font-caption);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--color-text-secondary);
  white-space: nowrap;
  line-height: 1.5;
}

.page-contact .contact-scroll-btn {
  font-family: var(--font-caption);
  font-size: 13px;
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 2px;
}

/* ---------- 联系渠道 ---------- */
.page-contact .contact-channels {
  padding: 56px 0 64px;
  background: var(--color-bg);
}

.page-contact .section-heading-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.page-contact .contact-channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 34px;
}

.page-contact .contact-channel-left,
.page-contact .contact-channel-right {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-contact .contact-channel {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-primary);
  padding: 22px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  position: relative;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.02);
}

.page-contact .contact-channel h3 {
  font-family: var(--font-headline);
  font-size: 18px;
  font-weight: 900;
  margin: 0;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.page-contact .contact-channel-label {
  font-family: var(--font-caption);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  border: 1px solid rgba(255, 107, 53, 0.4);
  padding: 3px 8px;
}

.page-contact .contact-channel-value {
  font-family: var(--font-caption);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-primary);
  overflow-wrap: anywhere;
  margin: 0;
}

.page-contact .contact-channel-note {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-text-secondary);
  margin: 0;
}

.page-contact .contact-channel-media {
  margin: -22px -22px 6px;
  border-bottom: 1px solid var(--color-line);
  overflow: hidden;
}

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

.page-contact .contact-email-select {
  font-family: var(--font-caption);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  background: rgba(0, 109, 119, 0.07);
  border: 1px solid rgba(0, 109, 119, 0.2);
  padding: 8px 12px;
  user-select: all;
  cursor: text;
  display: inline-block;
}

.page-contact .contact-channel-phone {
  border-left-color: var(--color-accent);
}

.page-contact .contact-channel-phone::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 66px;
  height: 66px;
  background: var(--color-accent);
  -webkit-clip-path: polygon(0 0, 100% 0, 100% 100%);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  opacity: 0.1;
}

.page-contact .contact-channel-phone-num {
  color: var(--color-accent);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-contact .contact-address-visual {
  margin: -22px -22px 0;
  border-bottom: 1px solid var(--color-line);
  background: linear-gradient(135deg, #FFFFFF 0%, #EDF1F5 100%);
  padding: 12px;
}

.page-contact .contact-address-svg {
  width: 100%;
  height: auto;
  display: block;
  max-height: 140px;
}

.page-contact .contact-template {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-top: 3px solid var(--color-accent);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .contact-template-title {
  font-family: var(--font-headline);
  font-size: 16px;
  font-weight: 900;
  color: var(--color-text);
}

.page-contact .contact-template-desc {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin: 0;
}

.page-contact .contact-template-row {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 10px;
  border-bottom: 1px solid var(--color-line);
  padding: 10px 0;
}

.page-contact .contact-template-row:last-child {
  border-bottom: 0;
}

.page-contact .contact-template-label {
  font-family: var(--font-caption);
  font-size: 12px;
  color: var(--color-primary);
}

.page-contact .contact-template-value {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-text);
}

/* ---------- 合作与商务 ---------- */
.page-contact .contact-business {
  padding: 64px 0;
  background: var(--contact-dark-teal);
  position: relative;
  overflow: hidden;
}

.page-contact .contact-business::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -80px;
  width: 240px;
  height: 240px;
  background: linear-gradient(135deg, transparent 49.5%, rgba(255, 255, 255, 0.04) 50%);
}

.page-contact .contact-business .site-container {
  position: relative;
  z-index: 1;
}

.page-contact .contact-business-heading {
  color: #FFFFFF;
}

.page-contact .contact-business-heading .section-index {
  color: var(--color-accent);
}

.page-contact .contact-business-annotation {
  color: rgba(255, 255, 255, 0.68);
}

.page-contact .contact-business-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 36px;
}

.page-contact .contact-business-list {
  color: rgba(255, 255, 255, 0.9);
}

.page-contact .contact-business-items {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: biz;
}

.page-contact .contact-business-item {
  counter-increment: biz;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.page-contact .contact-business-item:first-child {
  padding-top: 0;
}

.page-contact .contact-business-item::before {
  content: "0" counter(biz);
  display: block;
  font-family: var(--font-caption);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.page-contact .contact-business-item h3 {
  font-family: var(--font-headline);
  font-size: 19px;
  font-weight: 900;
  color: #FFFFFF;
  margin: 0 0 8px;
}

.page-contact .contact-business-item p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

.page-contact .contact-business-footer {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.86);
  margin: 22px 0 0;
}

.page-contact .contact-business-footer a {
  color: var(--color-accent);
}

.page-contact .contact-business-visual {
  position: relative;
}

.page-contact .contact-business-visual::before {
  content: "";
  position: absolute;
  top: 14px;
  left: 14px;
  width: 100%;
  height: 100%;
  border: 1px solid var(--color-accent);
  pointer-events: none;
}

.page-contact .contact-business-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  border: 1px solid rgba(255, 255, 255, 0.24);
  object-fit: cover;
  position: relative;
  z-index: 1;
}

.page-contact .contact-business-caption {
  font-family: var(--font-caption);
  font-size: 12px;
  letter-spacing: 0.1em;
  line-height: 1.8;
  color: var(--color-accent);
  padding: 14px 0 0 16px;
  border-left: 3px solid var(--color-accent);
  margin: 0;
  position: relative;
  z-index: 1;
}

/* ---------- 用户反馈 ---------- */
.page-contact .contact-feedback {
  padding: 64px 0;
  background: var(--color-surface);
}

.page-contact .contact-feedback-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 36px;
}

.page-contact .contact-feedback-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .contact-feedback-step {
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  padding: 22px;
  position: relative;
}

.page-contact .contact-feedback-step::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  border-top: 22px solid var(--color-accent);
  border-left: 22px solid transparent;
}

.page-contact .contact-feedback-step-num {
  font-family: var(--font-caption);
  font-size: 30px;
  font-weight: 700;
  color: var(--color-accent);
  display: block;
}

.page-contact .contact-feedback-step h3 {
  font-family: var(--font-headline);
  font-size: 17px;
  font-weight: 900;
  color: var(--color-text);
  margin: 10px 0 8px;
}

.page-contact .contact-feedback-step p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin: 0;
}

.page-contact .contact-feedback-note {
  border-left: 3px solid var(--color-primary);
  background: var(--color-bg);
  padding: 22px 24px;
  align-self: start;
}

.page-contact .contact-feedback-note p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.85;
  color: var(--color-text-secondary);
  margin: 0 0 12px;
}

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

.page-contact .contact-feedback-note strong {
  color: var(--color-text);
}

.page-contact .contact-feedback-more a {
  color: var(--color-primary);
  font-weight: 700;
}

/* ---------- 联系注意事项 ---------- */
.page-contact .contact-notice {
  padding: 64px 0;
  background: var(--color-bg);
}

.page-contact .contact-notice-panel {
  background: var(--color-dark);
  color: #FFFFFF;
  padding: 30px;
  margin-top: 36px;
  border-top: 4px solid var(--color-accent);
  box-shadow: 10px 10px 0 rgba(13, 27, 42, 0.12);
  position: relative;
}

.page-contact .contact-notice-panel::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  border-top: 18px solid var(--color-accent);
  border-left: 18px solid transparent;
}

.page-contact .contact-notice-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-contact .contact-notice-item h3 {
  font-family: var(--font-headline);
  font-size: 16px;
  font-weight: 900;
  color: var(--color-accent);
  margin: 0 0 8px;
}

.page-contact .contact-notice-item p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
}

.page-contact .contact-notice-tip {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  margin: 24px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 18px;
}

.page-contact .contact-notice-tip a {
  color: var(--color-accent);
}

/* ---------- 平板断点 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-channel-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-contact .contact-feedback-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }

  .page-contact .contact-notice-grid {
    grid-template-columns: 1fr 1fr;
    gap: 26px;
  }
}

/* ---------- 桌面断点 ---------- */
@media (min-width: 1024px) {
  .page-contact .contact-hero {
    padding: 44px 0 56px;
  }

  .page-contact .contact-hero-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
  }

  .page-contact .contact-hero-side {
    flex-direction: column;
    align-items: flex-end;
    text-align: right;
    gap: 10px;
    padding-bottom: 6px;
  }

  .page-contact .contact-hero-side .section-index {
    margin-right: 22px;
  }

  .page-contact .contact-channel-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 24px;
  }

  .page-contact .contact-channel-left,
  .page-contact .contact-channel-right {
    gap: 24px;
  }

  .page-contact .contact-business-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: 44px;
  }

  .page-contact .contact-business-item h3 {
    font-size: 20px;
  }

  .page-contact .contact-feedback-wrap {
    grid-template-columns: 2fr 1fr;
    align-items: start;
  }

  .page-contact .contact-feedback-step {
    padding: 26px 24px;
  }
}