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

.page-contact a {
  text-decoration: none;
}

.page-contact a:focus-visible,
.page-contact summary:focus-visible,
.page-contact textarea:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 首屏联络台 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-block: clamp(14px, 2.4vw, 26px) clamp(40px, 6vw, 76px);
  border-bottom: 1px solid var(--line);
  background-color: var(--ink);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(43, 60, 78, 0.6) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(43, 60, 78, 0.6) 1px, transparent 1px);
  background-size: 74px 74px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 76%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 76%);
  pointer-events: none;
}

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

.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-condensed);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .breadcrumbs a {
  color: var(--cool);
}

.page-contact .breadcrumbs a:hover {
  color: var(--cyan);
}

.page-contact .crumb-sep {
  color: var(--line);
}

.page-contact .contact-hero-grid {
  display: grid;
  gap: clamp(26px, 4vw, 56px);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-contact .contact-title {
  font-family: var(--font-serif);
  font-size: clamp(30px, 6.2vw, 56px);
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: 0.02em;
  margin: 12px 0 18px;
  max-width: 15em;
}

.page-contact .lede {
  max-width: 34em;
  color: var(--cool);
  line-height: 1.8;
}

.page-contact .contact-lines {
  list-style: none;
  margin: clamp(24px, 4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .contact-line {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 20px 22px 22px;
  background-color: var(--panel);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  box-shadow: inset 0 0 0 1px var(--line), inset 3px 0 0 var(--cyan);
  transition: transform var(--ease), box-shadow var(--ease), background-color var(--ease);
}

.page-contact .contact-line:hover {
  transform: translateY(-2px);
  background-color: #13293f;
  box-shadow: inset 0 0 0 1px var(--cyan), inset 3px 0 0 var(--cyan);
}

.page-contact .contact-line--phone {
  box-shadow: inset 0 0 0 1px var(--line), inset 3px 0 0 var(--orange);
}

.page-contact .contact-line--phone:hover {
  box-shadow: inset 0 0 0 1px var(--orange), inset 3px 0 0 var(--orange);
}

.page-contact .contact-line--addr {
  box-shadow: inset 0 0 0 1px var(--line), inset 3px 0 0 var(--muted);
}

.page-contact .contact-line--addr:hover {
  box-shadow: inset 0 0 0 1px var(--cool), inset 3px 0 0 var(--cool);
}

.page-contact .contact-key {
  font-family: var(--font-condensed);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-value {
  font-family: var(--font-mono);
  font-size: clamp(19px, 4.4vw, 40px);
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--cyan);
  overflow-wrap: anywhere;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 8px;
  transition: text-decoration-color var(--ease), color var(--ease);
}

.page-contact .contact-value:hover {
  text-decoration-color: var(--orange);
}

.page-contact .contact-line--phone .contact-value {
  color: var(--orange);
}

.page-contact .contact-value--addr {
  font-family: var(--font-sans);
  font-size: clamp(17px, 3vw, 24px);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--white);
  text-decoration: none;
}

.page-contact .contact-hint {
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--cool);
}

.page-contact .contact-hero-aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

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

.page-contact .contact-figure .img-frame {
  width: 100%;
}

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

.page-contact .contact-figure:not(.contact-figure--wide) img {
  aspect-ratio: 1 / 1;
}

.page-contact .contact-figure--wide img {
  aspect-ratio: 5 / 3;
}

.page-contact .contact-figure .img-caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-contact .contact-hours {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--white);
  background-color: rgba(8, 56, 60, 0.55);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}

.page-contact .contact-hours-key {
  font-family: var(--font-condensed);
  letter-spacing: 0.2em;
  font-size: 12px;
  color: var(--cyan);
}

/* ---------- 通用小节 ---------- */
.page-contact .contact-channels,
.page-contact .contact-rhythm,
.page-contact .contact-partners,
.page-contact .contact-template,
.page-contact .contact-faq,
.page-contact .contact-more {
  padding-block: clamp(44px, 6vw, 84px);
}

.page-contact .contact-channels {
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-sub {
  margin: 12px 0 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.85;
  letter-spacing: 0.02em;
  color: var(--cool);
}

.page-contact .kicker--light {
  color: var(--cyan);
}

/* ---------- 入口对照 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(22px, 3vw, 36px);
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px 22px 28px;
  background-color: var(--panel);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
  box-shadow: inset 0 0 0 1px var(--line);
  transition: transform var(--ease), box-shadow var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-3px);
  box-shadow: inset 0 0 0 1px var(--cyan);
}

.page-contact .channel-icon {
  color: var(--cyan);
  margin-bottom: 6px;
}

.page-contact .channel-icon--orange {
  color: var(--orange);
}

.page-contact .channel-icon--cool {
  color: var(--cool);
}

.page-contact .channel-name {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.page-contact .channel-use {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--cool);
}

.page-contact .channel-fit-key {
  margin: 12px 0 2px;
  font-family: var(--font-condensed);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .channel-fit {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.page-contact .channel-fit li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--white);
}

.page-contact .channel-fit li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 1px;
  background-color: var(--cyan);
}

/* ---------- 回信节奏 ---------- */
.page-contact .contact-rhythm {
  background-color: var(--deep);
  border-block: 1px solid var(--line);
}

.page-contact .rhythm-grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-contact .rhythm-facts {
  list-style: none;
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .rhythm-facts li {
  display: grid;
  grid-template-columns: minmax(48px, auto) minmax(0, 1fr);
  align-items: baseline;
  gap: 14px;
  padding-top: 12px;
  border-top: 1px solid rgba(72, 242, 255, 0.22);
  font-size: 14px;
  line-height: 1.7;
  color: var(--white);
}

.page-contact .rhythm-facts .num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  color: var(--cyan);
}

.page-contact .rhythm-tips {
  padding: 24px 22px 26px;
  background-color: rgba(10, 20, 32, 0.55);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.page-contact .rhythm-tips-title {
  margin: 0 0 18px;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.page-contact .rhythm-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  counter-reset: none;
}

.page-contact .rhythm-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-contact .rhythm-list .num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
  padding-top: 3px;
}

.page-contact .rhythm-list strong {
  display: block;
  font-size: 14.5px;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-contact .rhythm-list p {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--cool);
}

/* ---------- 合作归口 ---------- */
.page-contact .contact-partners {
  background-color: var(--archive);
  border-bottom: 1px solid var(--line);
}

.page-contact .partner-head .contact-sub {
  color: #c8c6dd;
}

.page-contact .partner-list {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
}

.page-contact .partner-row {
  display: grid;
  gap: 10px;
  padding: 24px 0;
  border-top: 1px solid rgba(169, 183, 198, 0.22);
}

.page-contact .partner-row:last-child {
  border-bottom: 1px solid rgba(169, 183, 198, 0.22);
}

.page-contact .partner-index {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--orange);
}

.page-contact .partner-name {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.page-contact .partner-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #c8c6dd;
}

.page-contact .partner-need {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--white);
}

.page-contact .partner-need-key {
  display: inline-block;
  margin-bottom: 6px;
  font-family: var(--font-condensed);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .partner-need p {
  margin: 0;
}

.page-contact .partner-tail {
  margin: 22px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--cool);
}

/* ---------- 邮件模板 ---------- */
.page-contact .contact-template {
  border-bottom: 1px solid var(--line);
}

.page-contact .tpl-grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  margin-top: clamp(22px, 3vw, 36px);
}

.page-contact .tpl-side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .tpl-sub {
  margin: 4px 0 0;
  font-family: var(--font-condensed);
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cool);
}

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

.page-contact .tpl-subjects li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background-color: var(--panel);
  box-shadow: inset 0 0 0 1px var(--line);
}

.page-contact .tpl-subjects code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .tpl-main {
  display: grid;
  gap: 12px;
  padding: 22px 20px 24px;
  background-color: var(--panel);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.page-contact .tpl-label {
  font-family: var(--font-condensed);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .tpl-body {
  box-sizing: border-box;
  width: 100%;
  min-height: 232px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 0;
  background-color: var(--ink);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  resize: vertical;
}

.page-contact .tpl-tip {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--cool);
}

.page-contact .tpl-main .btn {
  justify-self: start;
}

/* ---------- 常见问题 ---------- */
.page-contact .contact-faq {
  background-color: var(--ink);
}

.page-contact .faq-grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 48px);
}

.page-contact .faq-head .btn {
  margin-top: 18px;
}

.page-contact .faq-list {
  border-top: 1px solid var(--line);
}

.page-contact .faq-item {
  border-bottom: 1px solid var(--line);
}

.page-contact .faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 2px;
  cursor: pointer;
  list-style: none;
}

.page-contact .faq-q::-webkit-details-marker {
  display: none;
}

.page-contact .faq-q-text {
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-contact .faq-q::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--orange);
}

.page-contact .faq-item[open] .faq-q::after {
  content: "–";
  color: var(--cyan);
}

.page-contact .faq-item[open] .faq-q {
  background-color: rgba(16, 36, 58, 0.6);
}

.page-contact .faq-a {
  padding: 4px 2px 20px;
  max-width: 58em;
  font-size: 14px;
  line-height: 1.85;
  color: var(--cool);
}

/* ---------- 延伸阅读 ---------- */
.page-contact .contact-more {
  background-color: var(--panel);
  border-top: 1px solid var(--line);
}

.page-contact .more-grid {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .more-card a {
  display: grid;
  gap: 6px;
  padding: 18px 18px 20px;
  background-color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: transform var(--ease), box-shadow var(--ease);
}

.page-contact .more-card a:hover {
  transform: translateY(-2px);
  box-shadow: inset 0 0 0 1px var(--cyan);
}

.page-contact .more-key {
  font-family: var(--font-condensed);
  font-size: 16px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .more-desc {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--cool);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }

  .page-contact .contact-lines {
    gap: 16px;
  }

  .page-contact .contact-line {
    padding: 22px 26px 26px;
  }

  .page-contact .rhythm-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-contact .partner-row {
    grid-template-columns: 60px minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 24px;
    align-items: start;
  }

  .page-contact .tpl-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-contact .faq-grid {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    align-items: start;
  }
}

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

  .page-contact .contact-line:hover,
  .page-contact .channel-card:hover,
  .page-contact .more-card a:hover {
    transform: none;
  }
}
<<<END>>>