.page-contact {
  --pc-line: rgba(77, 107, 96, 0.5);
  --pc-pad: clamp(18px, 2.6vw, 34px);
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-contact .label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  color: var(--mist);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-contact .label::before {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
}

.page-contact h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.6vw, 2.3rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--white);
}

/* 面包屑 */
.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 18px 0 0;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-contact .crumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .crumbs a:hover,
.page-contact .crumbs a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-contact .crumbs span[aria-current="page"] {
  color: var(--white);
}

/* 首屏分屏 */
.contact-hero {
  padding: clamp(18px, 3vw, 30px) 0 clamp(36px, 5vw, 68px);
}

.contact-hero__grid {
  display: grid;
  gap: 20px;
}

.contact-hero__left {
  position: relative;
  isolation: isolate;
  background: var(--ink-2);
  padding: var(--pc-pad);
  overflow: hidden;
  border: 1px solid rgba(77, 107, 96, 0.55);
}

.contact-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
  filter: saturate(0.55) contrast(1.08);
}

.contact-hero__left::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(118deg, rgba(11, 31, 26, 0.96) 34%, rgba(18, 46, 39, 0.72) 100%);
}

.contact-hero__inner {
  position: relative;
  z-index: 1;
}

.contact-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--white);
}

.contact-hero__lead {
  margin: 16px 0 0;
  max-width: 36em;
  font-size: 0.97rem;
  line-height: 1.8;
  color: rgba(234, 242, 238, 0.86);
}

/* 三通道 */
.channels {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.channel {
  position: relative;
  background: rgba(27, 61, 52, 0.78);
  border: 1px solid rgba(77, 107, 96, 0.7);
  padding: 14px 16px 14px 20px;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--lime);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.3s var(--ease);
}

.channel:hover,
.channel:focus-within {
  background: rgba(27, 61, 52, 1);
  border-color: rgba(198, 255, 61, 0.5);
  transform: translateX(2px);
}

.channel:hover::before,
.channel:focus-within::before {
  transform: scaleY(1);
}

.channel__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.channel__name {
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--white);
}

.channel__num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.channel__value {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--lime);
  word-break: break-word;
}

.channel__scene {
  margin: 6px 0 0;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--mist);
}

.channel__time {
  display: inline-block;
  margin-top: 9px;
  padding: 2px 7px;
  border: 1px solid rgba(255, 122, 47, 0.45);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--orange);
}

/* 首屏右侧浅色准备单 */
.contact-hero__right {
  background: var(--paper);
  color: var(--ink);
  padding: var(--pc-pad);
  border-top: 3px solid var(--lime);
}

.contact-hero__right .label {
  color: var(--ink-3);
}

.contact-hero__right h2 {
  color: var(--ink);
}

.contact-hero__note {
  margin: 12px 0 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: #3c5349;
}

.prep-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.prep-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 14px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(11, 31, 26, 0.18);
}

.prep-row__key {
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--ink-3);
}

.prep-row__val {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink);
  border-bottom: 1px dashed rgba(11, 31, 26, 0.25);
}

.contact-stat {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid rgba(11, 31, 26, 0.18);
}

.contact-stat__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2.6rem, 8vw, 3.4rem);
  line-height: 0.9;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.contact-stat__unit {
  font-size: 0.76rem;
  line-height: 1.5;
  color: var(--ink-3);
  padding-bottom: 4px;
}

/* 通用区块 */
.contact-section {
  padding: clamp(34px, 5vw, 62px) 0;
  border-top: 1px solid var(--pc-line);
}

.sec-head {
  max-width: 46em;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.contact-section__lead {
  margin: 12px 0 0;
  max-width: 40em;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--mist);
}

/* 订阅准备 */
.contact-subscribe__grid {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
}

.brief-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.brief-item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(77, 107, 96, 0.4);
}

.brief-item__mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--lime);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--lime);
}

.brief-item p {
  margin: 6px 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--mist);
}

.contact-subscribe__figure {
  margin: 0;
  background: var(--ink-2);
  border: 1px solid rgba(77, 107, 96, 0.55);
  align-self: start;
}

.contact-subscribe__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 9 / 6.2;
  filter: saturate(0.75);
}

.contact-subscribe__figure figcaption {
  padding: 12px 16px;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--mist);
  border-top: 1px solid rgba(77, 107, 96, 0.55);
}

/* 三步 */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.steps::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 24px;
  bottom: 44px;
  width: 1px;
  background: linear-gradient(to bottom, rgba(198, 255, 61, 0.65), rgba(77, 107, 96, 0.2));
}

.step {
  position: relative;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid rgba(77, 107, 96, 0.35);
}

.step:first-child {
  border-top: 0;
}

.step__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.7rem, 5vw, 2.4rem);
  line-height: 1;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
  background: var(--ink);
  position: relative;
  z-index: 1;
  padding: 4px 0;
}

.step__body p {
  margin: 7px 0 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--mist);
}

/* 合作 */
.partner-rows {
  display: grid;
  gap: 14px;
}

.partner-row {
  background: var(--ink-2);
  border-left: 2px solid rgba(198, 255, 61, 0.4);
  padding: 18px var(--pc-pad);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.partner-row:hover {
  background: var(--ink-3);
  border-left-color: var(--lime);
}

.partner-row__name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.partner-row__who {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.partner-row__need {
  margin: 10px 0 0;
  font-size: 0.88rem;
  line-height: 1.78;
  color: var(--mist);
}

.partner-row__tag {
  margin: 12px 0 0;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--orange);
}

/* 时段与地址 */
.contact-desk__grid {
  display: grid;
  gap: clamp(24px, 3vw, 44px);
}

.contact-lines {
  margin: 22px 0 0;
  padding: 0;
}

.contact-line {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(77, 107, 96, 0.4);
}

.contact-line dt {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.contact-line dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--white);
  word-break: break-word;
}

.contact-desk__note {
  margin: 16px 0 0;
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--mist);
}

.contact-desk__map {
  background: var(--ink-2);
  border: 1px solid rgba(77, 107, 96, 0.55);
  padding: 14px;
  align-self: start;
}

.contact-desk__map svg {
  display: block;
  width: 100%;
  height: auto;
}

.contact-desk__caption {
  margin: 10px 0 0;
  font-size: 0.74rem;
  line-height: 1.6;
  color: var(--mist);
}

/* 自查（浅色收束） */
.contact-self {
  background: var(--paper);
  color: var(--ink);
  border-top: 0;
}

.contact-self h2 {
  color: var(--ink);
}

.contact-self .label {
  color: var(--ink-3);
}

.contact-self .contact-section__lead {
  color: #3c5349;
}

.contact-self h3 {
  color: var(--ink);
}

.self-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.self-item {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid rgba(11, 31, 26, 0.16);
}

.self-item__box {
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 2px solid var(--ink-3);
  background: transparent;
}

.self-item:nth-child(2) .self-item__box {
  border-color: var(--orange);
}

.self-item:nth-child(3) .self-item__box {
  border-color: var(--ink-3);
  background: var(--lime);
}

.self-item p {
  margin: 6px 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: #3c5349;
}

.contact-tail {
  margin-top: clamp(20px, 3vw, 32px);
  padding-top: 20px;
  border-top: 1px solid rgba(11, 31, 26, 0.2);
  display: grid;
  gap: 16px;
}

.contact-tail p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: #3c5349;
}

.contact-tail a:not(.btn) {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
  padding-bottom: 1px;
}

.contact-tail a:not(.btn):hover {
  color: var(--orange);
}

.contact-tail .btn {
  justify-self: start;
}

@media (min-width: 720px) {
  .channel:nth-child(2) {
    margin-left: 20px;
  }

  .channel:nth-child(3) {
    margin-left: 40px;
  }

  .partner-rows {
    gap: 16px;
  }

  .partner-row:nth-child(2) {
    margin-left: 28px;
  }

  .partner-row:nth-child(3) {
    margin-left: 14px;
  }
}

@media (min-width: 900px) {
  .contact-hero__grid {
    grid-template-columns: 1.18fr 0.82fr;
    gap: 0;
    align-items: stretch;
  }

  .contact-hero__left {
    min-height: 560px;
    padding: clamp(28px, 3.4vw, 48px) clamp(24px, 3vw, 46px);
  }

  .contact-hero__right {
    padding: clamp(28px, 3.4vw, 44px);
    display: flex;
    flex-direction: column;
  }

  .contact-hero__right .contact-stat {
    margin-top: auto;
  }

  .contact-subscribe__grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .steps {
    display: grid;
    grid-template-columns: 1.05fr 0.9fr 1.05fr;
    gap: 0 clamp(16px, 2.4vw, 34px);
    align-items: start;
  }

  .steps::before {
    left: 0;
    right: 0;
    top: 30px;
    bottom: auto;
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, rgba(198, 255, 61, 0.6), rgba(77, 107, 96, 0.25));
  }

  .step {
    grid-template-columns: 1fr;
    gap: 10px;
    border-top: 0;
    padding-top: 0;
  }

  .step:nth-child(2) {
    margin-top: 34px;
  }

  .step:nth-child(3) {
    margin-top: 12px;
  }

  .step__num {
    padding: 0 0 6px;
  }

  .contact-desk__grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }

  .self-list {
    grid-template-columns: 1.1fr 0.95fr 1.1fr;
    gap: 0 clamp(18px, 2.6vw, 36px);
  }

  .self-item {
    border-top: 0;
    border-left: 1px solid rgba(11, 31, 26, 0.16);
    padding: 4px 0 4px 16px;
  }

  .self-item:nth-child(2) {
    margin-top: 22px;
  }

  .contact-tail {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 24px;
  }

  .contact-tail .btn {
    justify-self: end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .channel::before,
  .page-contact .partner-row,
  .page-contact .crumbs a {
    transition: none;
  }

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