.page-contact {
  --pc-cut: 22px;
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumbs {
  padding-top: clamp(18px, 2.6vw, 32px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  margin-top: clamp(18px, 2.4vw, 32px);
  border-bottom: 1px solid var(--c-line);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 170% at 88% -10%, rgba(200, 255, 60, .09), transparent 58%),
    linear-gradient(180deg, rgba(17, 24, 33, .85), transparent 72%);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: -60%;
  left: 62%;
  width: 2px;
  height: 240%;
  z-index: 0;
  pointer-events: none;
  transform: rotate(19deg);
  background: linear-gradient(180deg, transparent, rgba(200, 255, 60, .45), transparent);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(26px, 4vw, 48px) clamp(30px, 4.4vw, 54px);
}

.page-contact .contact-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-neon);
}

.page-contact .live-dot {
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: 50%;
  background: var(--c-neon);
  animation: pc-pulse 2.4s var(--ease) infinite;
}

@keyframes pc-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(200, 255, 60, .55); }
  70%  { box-shadow: 0 0 0 9px rgba(200, 255, 60, 0); }
  100% { box-shadow: 0 0 0 0 rgba(200, 255, 60, 0); }
}

.page-contact .contact-hero__title {
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  max-width: 15ch;
  font-size: clamp(36px, 7.2vw, 76px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -.03em;
  color: var(--c-ink);
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(15.5px, 1.6vw, 17px);
  line-height: 1.82;
  color: var(--c-muted);
}

/* ---------- 左右分置骨架 ---------- */
.page-contact .contact-layout__inner {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  padding-block: clamp(30px, 5vw, 64px) clamp(40px, 6vw, 82px);
}

.page-contact .contact-aside__sticky {
  position: relative;
  padding: clamp(18px, 2.2vw, 26px);
  border: 1px solid var(--c-line);
  background: var(--c-panel);
}

.page-contact .contact-aside__sticky::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 32px;
  height: 3px;
  background: var(--c-neon);
}

.page-contact .contact-aside__live {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  padding-bottom: 15px;
  border-bottom: 1px dashed var(--c-line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-muted);
}

.page-contact .contact-aside__title {
  margin: 18px 0 4px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--c-ink);
}

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

.page-contact .contact-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 15px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .contact-item__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-contact .contact-item__value {
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-ink);
  overflow-wrap: anywhere;
}

.page-contact .contact-item__value--mono {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .01em;
  word-break: break-all;
}

.page-contact .contact-aside__foot {
  padding-top: 16px;
  font-size: 13px;
  line-height: 1.72;
  color: var(--c-muted);
}

.page-contact .contact-aside__foot p {
  margin: 0 0 10px;
}

/* ---------- 章节骨架 ---------- */
.page-contact .contact-sec {
  padding-block: clamp(26px, 3.6vw, 44px);
  border-top: 1px solid var(--c-line);
}

.page-contact .contact-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .contact-sec__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(12px, 1.8vw, 22px);
  align-items: start;
  margin-bottom: clamp(14px, 1.8vw, 20px);
}

.page-contact .contact-sec__index {
  font-family: var(--font-mono);
  font-weight: 200;
  font-size: clamp(38px, 5.4vw, 58px);
  line-height: .84;
  letter-spacing: -.05em;
  color: rgba(124, 136, 150, .34);
  user-select: none;
}

.page-contact .contact-sec__eyebrow {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--c-neon);
}

.page-contact .contact-sec__title {
  margin: 0;
  font-size: clamp(23px, 3.3vw, 34px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -.015em;
  color: var(--c-ink);
}

.page-contact .contact-sec__lead {
  margin: 0 0 clamp(18px, 2.2vw, 26px);
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--c-muted);
}

/* ---------- 图片 ---------- */
.page-contact .contact-figure {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--c-line);
  background: var(--c-panel);
  overflow: hidden;
}

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

/* ---------- 通道卡片 ---------- */
.page-contact .channel-list {
  display: grid;
  gap: 14px;
}

.page-contact .channel {
  position: relative;
  padding: clamp(16px, 2vw, 24px);
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  transition: border-color .16s var(--ease), background-color .16s var(--ease), transform .16s var(--ease);
}

.page-contact .channel::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: var(--pc-cut);
  height: var(--pc-cut);
  background: var(--c-void);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-contact .channel__top {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-bottom: 11px;
}

.page-contact .channel__name {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--c-ink);
}

.page-contact .channel__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--c-muted);
}

.page-contact .channel__line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 15px 0 0;
  padding-top: 13px;
  border-top: 1px dashed var(--c-line);
}

.page-contact .channel__line-value {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--c-ink);
  overflow-wrap: anywhere;
}

.page-contact .channel__line-value--mail {
  font-size: 13.5px;
  word-break: break-all;
}

.page-contact .channel__fits {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin-top: 15px;
}

.page-contact .channel__fits-label {
  flex: none;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-muted);
}

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

.page-contact .channel__fits-list li {
  padding: 4px 10px;
  border: 1px solid var(--c-line);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--c-muted);
  opacity: .6;
  transition: opacity .16s var(--ease), border-color .16s var(--ease), color .16s var(--ease);
}

.page-contact .channel:focus-visible {
  outline: 2px solid var(--c-neon);
  outline-offset: 3px;
}

@media (hover: hover) {
  .page-contact .channel:hover {
    transform: translateY(-2px);
    border-color: var(--c-neon);
    background: var(--c-lift);
  }
}

.page-contact .channel:hover .channel__fits-list li,
.page-contact .channel:focus-visible .channel__fits-list li {
  opacity: 1;
  color: var(--c-ink);
  border-color: rgba(200, 255, 60, .55);
}

/* ---------- 复制按钮 ---------- */
.page-contact .copy-btn {
  flex: none;
  padding: 6px 13px;
  border: 1px solid var(--c-line);
  background: transparent;
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-muted);
  cursor: pointer;
  transition: border-color .16s var(--ease), color .16s var(--ease), background-color .16s var(--ease);
}

.page-contact .copy-btn:hover {
  border-color: var(--c-neon);
  color: var(--c-neon);
  background: rgba(200, 255, 60, .06);
}

.page-contact .copy-btn:focus-visible {
  outline: 2px solid var(--c-neon);
  outline-offset: 2px;
}

/* ---------- 时段条 ---------- */
.page-contact .hourbar {
  margin: 0 0 clamp(20px, 2.6vw, 28px);
}

.page-contact .hourbar__track {
  position: relative;
  height: 22px;
  border: 1px solid var(--c-line);
  background: var(--c-panel);
  overflow: hidden;
}

.page-contact .hourbar__track::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    90deg,
    transparent 0,
    transparent calc(100% / 12 - 1px),
    rgba(244, 247, 249, .12) calc(100% / 12 - 1px),
    rgba(244, 247, 249, .12) calc(100% / 12)
  );
}

.page-contact .hourbar__band {
  position: absolute;
  top: 0;
  bottom: 0;
  display: block;
}

.page-contact .hourbar__band--calm {
  left: 0;
  width: 58.34%;
  background: rgba(200, 255, 60, .26);
}

.page-contact .hourbar__band--ramp {
  left: 58.34%;
  width: 16.66%;
  background: rgba(255, 122, 26, .45);
}

.page-contact .hourbar__band--peak {
  left: 75%;
  width: 25%;
  background: rgba(255, 122, 26, .92);
}

.page-contact .hourbar__scale {
  display: flex;
  justify-content: space-between;
  margin-top: 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--c-muted);
}

.page-contact .hours-legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .hours-legend__item {
  position: relative;
  padding: 14px 16px 15px 22px;
  border: 1px solid var(--c-line);
  background: var(--c-panel);
}

.page-contact .hours-legend__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
}

.page-contact .hours-legend__item--calm::before {
  background: rgba(200, 255, 60, .55);
}

.page-contact .hours-legend__item--ramp::before {
  background: var(--c-orange);
  opacity: .55;
}

.page-contact .hours-legend__item--peak::before {
  background: var(--c-orange);
}

.page-contact .hours-legend__name {
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--c-ink);
}

.page-contact .hours-legend__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--c-muted);
}

.page-contact .note {
  display: block;
  margin-top: clamp(18px, 2.4vw, 24px);
}

/* ---------- 地址 ---------- */
.page-contact .address-card {
  position: relative;
  padding: clamp(18px, 2.4vw, 28px);
  border: 1px solid var(--c-line);
  background: var(--c-moss);
}

.page-contact .address-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 30px;
  height: 3px;
  background: var(--c-neon);
}

.page-contact .address-card__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-contact .address-card__body {
  display: block;
  margin: 0 0 18px;
  max-width: 34ch;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 600;
  line-height: 1.62;
  letter-spacing: .01em;
  color: var(--c-ink);
}

.page-contact .mail-tips {
  margin-top: clamp(20px, 2.6vw, 28px);
  padding-top: clamp(16px, 2vw, 22px);
  border-top: 1px dashed var(--c-line);
}

.page-contact .mail-tips__title {
  margin: 0 0 13px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--c-ink);
}

.page-contact .mail-tips__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .mail-tips__list li {
  position: relative;
  padding-left: 21px;
  font-size: 14px;
  line-height: 1.74;
  color: var(--c-muted);
}

.page-contact .mail-tips__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .72em;
  width: 8px;
  height: 1px;
  background: var(--c-neon);
}

/* ---------- 合作 ---------- */
.page-contact .biz-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .biz-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2vw, 26px);
  padding: clamp(16px, 2vw, 22px) 0;
  border-top: 1px solid var(--c-line);
}

.page-contact .biz-list > .biz-item:last-child {
  border-bottom: 1px solid var(--c-line);
}

.page-contact .biz-item__no {
  min-width: 4.6em;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--c-orange);
}

.page-contact .biz-item__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--c-ink);
}

.page-contact .biz-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--c-muted);
}

.page-contact .biz-brief {
  margin-top: clamp(20px, 2.6vw, 30px);
  padding: clamp(18px, 2.2vw, 26px);
  border: 1px solid var(--c-line);
  background: var(--c-panel);
}

.page-contact .biz-brief__title {
  margin: 0 0 15px;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-ink);
}

.page-contact .biz-brief__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
  counter-reset: pcbi;
}

.page-contact .biz-brief__list li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
  font-size: 14px;
  line-height: 1.74;
  color: var(--c-muted);
  counter-increment: pcbi;
}

.page-contact .biz-brief__list li::before {
  content: counter(pcbi, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  padding-top: 3px;
  color: var(--c-cyan);
}

/* ---------- 贵州流程 ---------- */
.page-contact .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .flow-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2vw, 24px);
  padding: clamp(16px, 2vw, 22px) 0;
  border-top: 1px solid var(--c-line);
}

.page-contact .flow-list > .flow-item:last-child {
  border-bottom: 1px solid var(--c-line);
}

.page-contact .flow-item__no {
  min-width: 2.2em;
  font-family: var(--font-mono);
  font-weight: 200;
  font-size: 28px;
  line-height: 1;
  letter-spacing: -.03em;
  color: rgba(124, 136, 150, .5);
}

.page-contact .flow-item__title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-ink);
}

.page-contact .flow-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--c-muted);
}

.page-contact .contact-cta-line {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding-top: clamp(18px, 2.2vw, 26px);
  border-top: 1px dashed var(--c-line);
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-contact .contact-cta-line .link-more,
.page-contact .contact-aside__foot .link-more {
  color: var(--c-neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 60, .4);
  transition: border-color .16s var(--ease), color .16s var(--ease);
}

.page-contact .contact-cta-line .link-more:hover,
.page-contact .contact-aside__foot .link-more:hover {
  color: var(--c-ink);
  border-bottom-color: var(--c-ink);
}

.page-contact .contact-cta-line .link-more:focus-visible,
.page-contact .contact-aside__foot .link-more:focus-visible {
  outline: 2px solid var(--c-neon);
  outline-offset: 3px;
}

/* ---------- 桌面端：左右分置 + 粘性面板 ---------- */
@media (min-width: 960px) {
  .page-contact .contact-layout__inner {
    grid-template-columns: minmax(0, 1.62fr) minmax(268px, .85fr);
    align-items: start;
    gap: clamp(34px, 4vw, 60px);
  }

  .page-contact .contact-aside__sticky {
    position: sticky;
    top: calc(var(--shell-h) + 20px);
  }

  .page-contact .contact-layout__main {
    max-width: 760px;
  }
}

/* ---------- 触屏与窄屏 ---------- */
@media (max-width: 720px) {
  .page-contact .contact-hero::after {
    display: none;
  }
}

@media (max-width: 520px) {
  .page-contact .contact-sec__head {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .page-contact .contact-sec__index {
    font-size: 26px;
    color: rgba(124, 136, 150, .28);
  }

  .page-contact .biz-item,
  .page-contact .flow-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .page-contact .biz-item__no {
    min-width: 0;
    padding-top: 0;
  }

  .page-contact .flow-item__no {
    min-width: 0;
    font-size: 22px;
  }

  .page-contact .hourbar__scale {
    font-size: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .live-dot {
    animation: none;
  }

  .page-contact .channel {
    transition: none;
  }
}