.page-contact {
  --pc-gap: clamp(40px, 6vw, 84px);
  --pc-card: clamp(18px, 2.2vw, 28px);
  --pc-cut: 22px;
  display: block;
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---------- 面包屑与首屏 ---------- */

.page-contact .breadcrumb {
  padding-top: clamp(16px, 2.6vw, 28px);
}

.page-contact .contact-masthead {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-masthead__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .contact-masthead__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: .34;
  filter: saturate(.85) contrast(1.05);
}

.page-contact .contact-masthead__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(6, 17, 14, .55) 0%, rgba(6, 17, 14, .88) 52%, var(--ink) 100%),
    linear-gradient(105deg, rgba(15, 58, 46, .55) 0%, rgba(6, 17, 14, 0) 58%);
}

.page-contact .contact-masthead__inner {
  position: relative;
  z-index: 1;
  padding: clamp(44px, 8vw, 104px) 0 clamp(34px, 5vw, 62px);
}

.page-contact .contact-masthead h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 5.4vw, 62px);
  line-height: 1.08;
  letter-spacing: .04em;
  max-width: 18ch;
  text-wrap: balance;
}

.page-contact .contact-lede {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: rgba(232, 244, 240, .82);
}

.page-contact .contact-masthead__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  margin-top: clamp(24px, 3vw, 36px);
}

/* ---------- 区块骨架 ---------- */

.page-contact .contact-section {
  padding: var(--pc-gap) 0 0;
}

.page-contact .contact-section + .contact-section {
  margin-top: var(--pc-gap);
  border-top: 1px solid var(--line);
  padding-top: var(--pc-gap);
}

.page-contact .section-head {
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-contact .section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.14;
  letter-spacing: .04em;
  margin: 8px 0 0;
}

/* ---------- 三条通道 ---------- */

.page-contact .contact-deck {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: calc(var(--pc-card) + 8px) var(--pc-card) var(--pc-card);
  background:
    linear-gradient(160deg, rgba(15, 58, 46, .70) 0%, rgba(10, 31, 26, .90) 56%, rgba(6, 17, 14, .96) 100%);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--pc-cut)) 0, 100% var(--pc-cut), 100% 100%, 0 100%);
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 62px;
  height: 3px;
  background: var(--accent);
}

.page-contact .channel:hover {
  border-color: var(--line-2);
  transform: translateY(-3px);
}

.page-contact .channel__head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-contact .channel__dot {
  width: 9px;
  height: 9px;
  flex: 0 0 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(18, 214, 184, .14);
}

.page-contact .channel__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--grass-soft);
}

.page-contact .channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--lemon);
  overflow-wrap: anywhere;
}

.page-contact .channel__value--addr {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.5vw, 17px);
  color: var(--text);
  line-height: 1.7;
}

.page-contact .channel__fit {
  margin: 0;
  flex: 1;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(232, 244, 240, .78);
}

.page-contact .channel__foot {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--muted);
}

/* ---------- 在线区间 ---------- */

.page-contact .hours-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 46px);
}

.page-contact .hours-panel {
  padding: clamp(20px, 2.6vw, 32px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pc-cut)), calc(100% - var(--pc-cut)) 100%, 0 100%);
}

.page-contact .hours-panel__lead {
  margin: 0;
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-contact .hours-panel__val {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 600;
  color: var(--lemon);
  margin-left: 8px;
}

.page-contact .hours-track {
  position: relative;
  height: 44px;
  margin-top: 22px;
  background: rgba(10, 31, 26, .94);
  border: 1px solid var(--line);
  cursor: default;
}

.page-contact .hours-track__grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(143, 163, 155, .16) 1px, transparent 1px);
  background-size: calc(100% / 24) 100%;
}

.page-contact .hours-track__live {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 39.6%;
  width: 37.5%;
  background: linear-gradient(90deg, rgba(18, 214, 184, .92), rgba(47, 191, 107, .92));
  box-shadow: 0 0 26px rgba(18, 214, 184, .32);
  transition: filter .28s var(--ease), box-shadow .28s var(--ease);
}

.page-contact .hours-track:hover .hours-track__live,
.page-contact .hours-track:focus-visible .hours-track__live {
  filter: brightness(1.2);
  box-shadow: 0 0 34px rgba(18, 214, 184, .5);
}

.page-contact .hours-track__flag {
  position: absolute;
  top: calc(100% + 10px);
  left: 39.6%;
  padding: 4px 10px;
  background: var(--lemon);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .05em;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity .25s var(--ease), transform .25s var(--ease);
  pointer-events: none;
}

.page-contact .hours-track:hover .hours-track__flag,
.page-contact .hours-track:focus-visible .hours-track__flag {
  opacity: 1;
  transform: translateY(0);
}

.page-contact .hours-scale {
  display: flex;
  justify-content: space-between;
  margin-top: 26px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-contact .hours-panel__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

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

.page-contact .hours-list li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.page-contact .hours-list li:first-child {
  border-top: none;
  padding-top: 0;
}

.page-contact .hours-list__key {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--amber);
  padding-top: 3px;
}

.page-contact .hours-list__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(17px, 1.9vw, 21px);
  letter-spacing: .04em;
  line-height: 1.35;
  color: var(--text);
}

.page-contact .hours-list__body {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(232, 244, 240, .76);
}

/* ---------- 准备清单 ---------- */

.page-contact .prep-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .prep-col {
  padding: clamp(22px, 2.8vw, 34px) 0;
  border-bottom: 1px solid var(--line);
  counter-reset: prep;
}

.page-contact .prep-col__head {
  margin: 0 0 18px;
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .prep-list li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(232, 244, 240, .82);
}

.page-contact .prep-list li::before {
  counter-increment: prep;
  content: counter(prep, decimal-leading-zero);
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  margin-top: 2px;
  background: var(--accent);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  clip-path: polygon(0 0, 100% 0, 100% 68%, 68% 100%, 0 100%);
}

/* ---------- 合作咨询 ---------- */

.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.4vw, 52px);
}

.page-contact .partner-list {
  display: grid;
  gap: clamp(20px, 2.6vw, 30px);
}

.page-contact .partner-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding-left: 18px;
  border-left: 2px solid rgba(18, 214, 184, .34);
  transition: border-color .25s var(--ease);
}

.page-contact .partner-item:hover {
  border-left-color: var(--accent);
}

.page-contact .partner-item__no {
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
  padding-top: 4px;
}

.page-contact .partner-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.2vw, 25px);
  letter-spacing: .04em;
  line-height: 1.3;
}

.page-contact .partner-item__body {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(232, 244, 240, .78);
}

.page-contact .partner-tail {
  margin: 0;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .partner-tail a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(18, 214, 184, .45);
}

.page-contact .partner-tail a:hover {
  color: var(--lemon);
  border-bottom-color: var(--lemon);
}

.page-contact .partner-figure {
  margin: 0;
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-contact .partner-figure__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
  background: linear-gradient(150deg, rgba(15, 58, 46, .8), rgba(6, 17, 14, .95));
}

.page-contact .partner-figure__frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: .82;
  filter: saturate(.92);
}

.page-contact .partner-figure .media-frame__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--muted);
}

/* ---------- 问题分流 ---------- */

.page-contact .route-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.page-contact .route-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .route-list a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px 20px;
  padding: 20px 4px 20px 0;
  text-decoration: none;
  color: inherit;
  transition: padding-left .25s var(--ease), background-color .25s var(--ease);
}

.page-contact .route-list a:hover {
  padding-left: 14px;
  background: rgba(15, 58, 46, .42);
}

.page-contact .route-list__k {
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.6;
  color: var(--text);
}

.page-contact .route-list__v {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--grass-soft);
  white-space: nowrap;
}

.page-contact .contact-tail {
  margin-top: clamp(26px, 3.4vw, 42px);
  padding: clamp(20px, 2.6vw, 30px);
  background: linear-gradient(120deg, rgba(15, 58, 46, .82), rgba(6, 17, 14, .95));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  align-items: baseline;
  justify-content: space-between;
}

.page-contact .contact-tail__text {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(232, 244, 240, .84);
}

.page-contact .contact-tail__text a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(18, 214, 184, .45);
}

.page-contact .contact-tail__text a:hover {
  color: var(--lemon);
  border-bottom-color: var(--lemon);
}

.page-contact .contact-tail__meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-contact .prep-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 clamp(24px, 3vw, 44px);
  }

  .page-contact .prep-col {
    border-bottom: none;
    border-right: 1px solid var(--line);
    padding-right: clamp(18px, 2.4vw, 32px);
  }

  .page-contact .prep-col:last-child {
    border-right: none;
    padding-right: 0;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-deck {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .hours-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }

  .page-contact .hours-panel {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-contact .partner-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: start;
  }

  .page-contact .partner-figure {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

@media (min-width: 1080px) {
  .page-contact .hours-panel__lead {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .route-list a,
  .page-contact .partner-item,
  .page-contact .hours-track__live,
  .page-contact .hours-track__flag {
    transition: none;
  }

  .page-contact .channel:hover {
    transform: none;
  }
}