/* ================= page-contact ================= */

.page-contact {
  display: block;
  --contact-gap: clamp(20px, 4vw, 48px);
  --contact-block: clamp(28px, 5vw, 64px);
}

/* ---------- 面包屑间距 ---------- */
.page-contact .crumbs {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏声明 ---------- */
.page-contact .contact-intro {
  position: relative;
  padding-block: clamp(24px, 4.5vw, 56px) clamp(26px, 4.5vw, 52px);
  overflow: hidden;
}

.page-contact .contact-intro::after {
  content: "";
  position: absolute;
  top: -22%;
  right: -14%;
  width: min(680px, 78vw);
  height: min(560px, 64vw);
  background-image:
    radial-gradient(circle at 30% 35%, rgba(226, 112, 58, 0.22), transparent 62%),
    radial-gradient(circle at 78% 22%, rgba(51, 220, 198, 0.17), transparent 60%);
  background-repeat: no-repeat;
  background-size: 100% 100%;
  filter: blur(38px);
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-intro > .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .contact-title {
  margin: 14px 0 0;
  font-family: var(--f-sans);
  font-weight: 900;
  font-size: var(--h-display);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 20ch;
}

.page-contact .contact-lede {
  margin-top: clamp(16px, 2.6vw, 26px);
  max-width: 62ch;
}

.page-contact .contact-intro__aside {
  margin-top: clamp(20px, 3vw, 0px);
  padding-top: clamp(14px, 2vw, 20px);
  border-top: 1px solid var(--line);
  align-self: end;
}

.page-contact .contact-intro__clock {
  margin: 0;
  font-size: var(--t-14);
  letter-spacing: 0.06em;
  color: var(--electric-cyan);
}

.page-contact .contact-intro__hint {
  margin: 10px 0 0;
  font-size: var(--t-14);
  line-height: 1.7;
  color: var(--ink-dim);
  max-width: 34ch;
}

/* ---------- 顶部抽象视觉 ---------- */
.page-contact .contact-visual {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-panel);
  box-shadow: var(--shadow-soft);
  aspect-ratio: 1400 / 640;
}

.page-contact .contact-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(10, 16, 32, 0.72) 0%, rgba(10, 16, 32, 0.08) 46%, rgba(10, 16, 32, 0.6) 100%);
  pointer-events: none;
}

.page-contact .contact-visual__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center 40%;
}

/* ---------- 两条通道 ---------- */
.page-contact .channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 56px);
  margin-top: clamp(26px, 4vw, 52px);
}

.page-contact .channel {
  position: relative;
  padding-top: clamp(18px, 2.4vw, 26px);
  border-top: 1px solid var(--line);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 44px;
  height: 2px;
  background: var(--jbo-terracotta);
}

.page-contact .channel__label {
  margin: 0;
  font-size: var(--t-12);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.page-contact .channel__value {
  margin: 14px 0 0;
  font-family: var(--f-mono);
  font-size: clamp(19px, 2.5vw, 30px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ink);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .channel__desc {
  margin: 14px 0 0;
  font-size: var(--t-18);
  line-height: 1.72;
  color: var(--ash-gray);
  max-width: 44ch;
}

.page-contact .channel__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 18px;
  margin-top: clamp(18px, 2.6vw, 26px);
}

.page-contact .channel__meta {
  font-size: var(--t-12);
  letter-spacing: 0.1em;
  color: var(--ink-dim);
}

.page-contact .channel__copy.is-copied,
.page-contact .contact-visit__copy.is-copied {
  color: var(--electric-cyan);
  border-color: var(--electric-cyan);
}

.page-contact .channel__copy.is-copied::after,
.page-contact .contact-visit__copy.is-copied::after {
  content: " ✓";
  color: var(--electric-cyan);
}

/* ---------- 提交前准备 ---------- */
.page-contact .prep {
  list-style: none;
  margin: clamp(26px, 4vw, 52px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
}

.page-contact .prep__item {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: clamp(14px, 2vw, 24px);
  row-gap: 6px;
  align-items: baseline;
}

.page-contact .prep__num {
  grid-row: span 2;
  font-size: var(--t-14);
  letter-spacing: 0.1em;
  color: var(--jbo-terracotta);
}

.page-contact .prep__title {
  margin: 0;
  font-size: var(--t-24);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .prep__text {
  margin: 0;
  font-size: var(--t-18);
  line-height: 1.72;
  color: var(--ash-gray);
  max-width: 56ch;
}

/* ---------- 导出流程 ---------- */
.page-contact .flow {
  list-style: none;
  margin: clamp(26px, 4vw, 52px) 0 0;
  padding: 0;
}

.page-contact .flow__step {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: clamp(22px, 3vw, 34px) 0 clamp(22px, 3vw, 34px) 26px;
  border-left: 1px solid var(--line);
}

.page-contact .flow__step::before {
  content: "";
  position: absolute;
  top: calc(clamp(22px, 3vw, 34px) + 6px);
  left: -3px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--electric-cyan);
  box-shadow: 0 0 10px rgba(51, 220, 198, 0.75);
}

.page-contact .flow__index {
  font-size: var(--t-12);
  letter-spacing: 0.16em;
  color: var(--electric-cyan);
}

.page-contact .flow__title {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 30px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .flow__text {
  margin: 10px 0 0;
  font-size: var(--t-18);
  line-height: 1.72;
  color: var(--ash-gray);
  max-width: 60ch;
}

.page-contact .flow__more {
  margin-top: 14px;
}

.page-contact .flow__more summary {
  display: inline-block;
  cursor: pointer;
  list-style: none;
  font-family: var(--f-mono);
  font-size: var(--t-12);
  letter-spacing: 0.1em;
  color: var(--electric-cyan);
  border-bottom: 1px dashed rgba(51, 220, 198, 0.45);
  padding-bottom: 2px;
}

.page-contact .flow__more summary::-webkit-details-marker {
  display: none;
}

.page-contact .flow__more summary::before {
  content: "+ ";
}

.page-contact .flow__more[open] summary::before {
  content: "− ";
}

.page-contact .flow__more p {
  margin: 12px 0 0;
  padding-left: 14px;
  border-left: 1px solid var(--line);
  font-size: var(--t-14);
  line-height: 1.78;
  color: var(--ash-gray);
  max-width: 58ch;
}

.page-contact .flow__outro {
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  font-size: var(--t-14);
  line-height: 1.8;
  color: var(--ink-dim);
}

.page-contact .flow__outro a,
.page-contact .response__text a,
.page-contact .response__outro a {
  color: var(--electric-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(51, 220, 198, 0.4);
}

.page-contact .flow__outro a:hover,
.page-contact .response__text a:hover,
.page-contact .response__outro a:hover {
  border-bottom-color: var(--electric-cyan);
}

/* ---------- 办公地址 ---------- */
.page-contact .contact-visit {
  margin-top: clamp(8px, 2vw, 20px);
}

.page-contact .contact-visit__title {
  font-size: clamp(24px, 3.4vw, 40px);
}

.page-contact .contact-visit__addr {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  font-size: var(--t-18);
  line-height: 1.7;
  color: var(--ink);
  max-width: 30ch;
}

.page-contact .contact-visit__note {
  margin: 14px 0 0;
  font-size: var(--t-14);
  line-height: 1.78;
  color: var(--ash-gray);
  max-width: 46ch;
}

.page-contact .contact-visit__copy {
  margin-top: clamp(20px, 2.8vw, 30px);
}

.page-contact .address-visual {
  position: relative;
  margin: clamp(24px, 3.4vw, 0px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--bg-panel);
  background-image:
    linear-gradient(rgba(44, 57, 80, 0.9) 1px, transparent 1px),
    linear-gradient(90deg, rgba(44, 57, 80, 0.9) 1px, transparent 1px);
  background-size: 44px 44px;
  aspect-ratio: 1200 / 620;
}

.page-contact .address-visual__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.92;
}

.page-contact .address-visual__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 10px 14px;
  font-size: var(--t-12);
  letter-spacing: 0.14em;
  color: var(--bone-white);
  background: linear-gradient(to top, rgba(10, 16, 32, 0.86), rgba(10, 16, 32, 0));
}

/* ---------- 回复节奏 ---------- */
.page-contact .response {
  margin: clamp(26px, 4vw, 48px) 0 0;
  padding: 0;
}

.page-contact .response__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: clamp(20px, 2.8vw, 30px) 0;
  border-top: 1px solid var(--line);
}

.page-contact .response__row:last-of-type {
  border-bottom: 1px solid var(--line);
}

.page-contact .response__kind {
  margin: 0;
  font-size: var(--t-14);
  letter-spacing: 0.08em;
  color: var(--ash-gray);
}

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

.page-contact .response__time {
  display: block;
  font-family: var(--f-sans);
  font-weight: 900;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--jbo-terracotta);
}

.page-contact .response__text {
  margin: 10px 0 0;
  font-size: var(--t-18);
  line-height: 1.72;
  color: var(--ash-gray);
  max-width: 60ch;
}

.page-contact .response__outro {
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  font-size: var(--t-14);
  line-height: 1.85;
  color: var(--ink-dim);
  max-width: 70ch;
}

/* ---------- 中屏 ---------- */
@media (min-width: 640px) {
  .page-contact .prep {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .contact-visual {
    aspect-ratio: 1400 / 560;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 860px) {
  .page-contact .channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-intro__aside {
    margin-top: 0;
    text-align: right;
  }

  .page-contact .contact-intro__hint {
    margin-left: auto;
  }

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

  .page-contact .prep__item {
    grid-template-columns: 1fr;
    row-gap: 10px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
  }

  .page-contact .prep__num {
    grid-row: auto;
  }

  .page-contact .flow__step {
    grid-template-columns: 132px minmax(0, 1fr);
    column-gap: clamp(24px, 3.6vw, 56px);
    padding-left: 40px;
  }

  .page-contact .address-visual {
    margin-top: 0;
  }

  .page-contact .response__row {
    grid-template-columns: 220px minmax(0, 1fr);
    column-gap: clamp(24px, 4vw, 64px);
    align-items: start;
  }

  .page-contact .response__kind {
    padding-top: 8px;
  }
}

/* ---------- 大屏 ---------- */
@media (min-width: 1120px) {
  .page-contact .contact-visual {
    aspect-ratio: 1400 / 480;
  }
  .page-contact .address-visual {
    aspect-ratio: 1200 / 560;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-intro::after {
    filter: blur(38px);
  }
  .page-contact .flow__step::before {
    box-shadow: none;
  }
}