/* ============================================================
   page-contact · 联系通道
   ============================================================ */

.page-contact {
  --pc-maxw: 1180px;
  --pc-space: 64px;
  padding: 32px 20px 100px;
  overflow-x: clip;
  color: var(--mist);
  font-family: var(--font-body);
  line-height: 1.75;
}

.page-contact .pc-wrap {
  max-width: var(--pc-maxw);
  margin-left: auto;
  margin-right: auto;
}

.page-contact .pc-sec {
  margin-top: var(--pc-space);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  max-width: var(--pc-maxw);
  margin: 20px auto 0;
  padding: 8px 0 0;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -14%;
  width: 66%;
  height: 190%;
  background: linear-gradient(158deg, rgba(255, 90, 43, 0.16), rgba(27, 42, 107, 0.3) 52%, rgba(47, 227, 208, 0.08) 76%, transparent 88%);
  transform: rotate(10deg);
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
}

.page-contact .contact-hero__main {
  min-width: 0;
}

.page-contact .contact-eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-hero__main h1 {
  margin: 12px 0 18px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(28px, 6.4vw, 50px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--bone);
}

.page-contact .contact-lede {
  margin: 0 0 14px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .contact-lede--sub {
  color: var(--sage);
  font-size: 15px;
}

.page-contact .contact-lede a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-clock {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .contact-clock__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ember);
  box-shadow: 0 0 0 4px rgba(255, 90, 43, 0.18);
}

/* ---------- 纵向联系信息轴 ---------- */

.page-contact .contact-axis {
  position: relative;
  padding: 26px 20px 8px;
  border: 1px solid var(--line);
  background: var(--glass-green);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.page-contact .contact-axis::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 58px;
  height: 4px;
  background: linear-gradient(90deg, var(--ember), var(--ember-deep));
}

.page-contact .contact-axis__caption {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--sage);
  text-transform: uppercase;
}

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

.page-contact .contact-axis__item {
  position: relative;
  padding: 0 0 24px 26px;
}

.page-contact .contact-axis__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 9px;
  height: 9px;
  box-sizing: border-box;
  border: 1.5px solid var(--cyan);
  border-radius: 50%;
  background: var(--deep-green);
}

.page-contact .contact-axis__item::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 21px;
  bottom: 2px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(47, 227, 208, 0));
}

.page-contact .contact-axis__item:last-child {
  padding-bottom: 18px;
}

.page-contact .contact-axis__item:last-child::after {
  display: none;
}

.page-contact .contact-axis__key {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sage);
}

.page-contact .contact-axis__val {
  display: block;
  margin-top: 5px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--bone);
  word-break: break-word;
}

.page-contact .contact-axis__val--num {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.2;
  color: var(--ember);
}

.page-contact .contact-axis__hint {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.68;
  color: var(--sage);
}

/* ---------- 章节头 ---------- */

.page-contact .pc-head {
  position: relative;
  padding-left: 18px;
  margin-bottom: 26px;
}

.page-contact .pc-head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 4px;
  height: 52px;
  background: linear-gradient(180deg, var(--ember), var(--ember-deep));
  transform: skewX(-10deg);
}

.page-contact .pc-head__index {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-contact .pc-head__title {
  margin: 6px 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(21px, 4.4vw, 31px);
  line-height: 1.28;
  letter-spacing: -0.02em;
  color: var(--bone);
}

.page-contact .pc-head__note {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  color: var(--sage);
}

/* ---------- 受理范围 ---------- */

.page-contact .pc-scope {
  display: grid;
  gap: 18px;
}

.page-contact .pc-scope__col {
  padding: 22px 20px;
  border: 1px solid var(--hair);
  background: linear-gradient(180deg, rgba(16, 20, 24, 0.92), rgba(11, 43, 38, 0.72));
}

.page-contact .pc-scope__col--ember {
  border-top: 3px solid var(--ember);
}

.page-contact .pc-scope__col--cyan {
  border-top: 3px solid var(--cyan);
}

.page-contact .pc-scope__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  color: var(--bone);
}

.page-contact .pc-scope__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-contact .pc-scope__list li {
  position: relative;
  padding: 12px 0 12px 18px;
  border-bottom: 1px solid var(--hair);
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .pc-scope__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .pc-scope__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 8px;
  height: 1.5px;
  background: var(--cyan);
}

.page-contact .pc-scope__list strong {
  color: var(--bone);
  font-weight: 600;
}

/* ---------- 响应流程 ---------- */

.page-contact .pc-process {
  display: grid;
  gap: 24px;
}

.page-contact .pc-process__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--charcoal);
  overflow: hidden;
}

.page-contact .pc-process__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .pc-process__figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--sage);
}

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

.page-contact .pc-process__step {
  position: relative;
  padding: 18px 0 18px 56px;
  border-bottom: 1px solid var(--hair);
}

.page-contact .pc-process__step:first-child {
  padding-top: 4px;
}

.page-contact .pc-process__step:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .pc-process__num {
  position: absolute;
  left: 0;
  top: 16px;
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--ember);
}

.page-contact .pc-process__step:first-child .pc-process__num {
  top: 2px;
}

.page-contact .pc-process__step h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--bone);
}

.page-contact .pc-process__step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--sage);
}

/* ---------- 属地与备案 ---------- */

.page-contact .pc-locale {
  display: grid;
  border: 1px solid var(--line);
  background: var(--charcoal);
  overflow: hidden;
}

.page-contact .pc-locale__media {
  position: relative;
  min-height: 180px;
}

.page-contact .pc-locale__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(47, 227, 208, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 227, 208, 0.1) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.page-contact .pc-locale__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 180px;
  object-fit: cover;
}

.page-contact .pc-locale__card {
  background: var(--bone);
  color: var(--charcoal);
  padding: 26px 22px;
}

.page-contact .pc-locale__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(16, 20, 24, 0.14);
}

.page-contact .pc-locale__row:first-child {
  padding-top: 0;
}

.page-contact .pc-locale__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .pc-locale__key {
  flex: 0 0 92px;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(16, 20, 24, 0.55);
}

.page-contact .pc-locale__val {
  flex: 1 1 190px;
  min-width: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.68;
  color: var(--charcoal);
  word-break: break-word;
}

/* ---------- 准备清单 ---------- */

.page-contact .pc-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--hair);
  background: var(--hair);
}

.page-contact .pc-checklist__row {
  display: grid;
  gap: 4px;
  padding: 15px 18px;
  background: var(--deep-green);
}

.page-contact .pc-checklist__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact .pc-checklist__v {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .pc-checklist__v a {
  color: var(--amber);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 协作 ---------- */

.page-contact .pc-coop {
  padding: 26px 22px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(122, 31, 61, 0.42), rgba(27, 42, 107, 0.42));
}

.page-contact .pc-coop p {
  margin: 0 0 14px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .pc-coop .btn {
  margin-top: 6px;
}

/* ---------- 快速入口 ---------- */

.page-contact .pc-faq {
  display: grid;
  gap: 14px;
}

.page-contact .pc-faq__item {
  display: block;
  padding: 20px 18px;
  border: 1px solid var(--hair);
  background: rgba(16, 20, 24, 0.74);
  color: var(--mist);
  text-decoration: none;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-contact .pc-faq__item:hover,
.page-contact .pc-faq__item:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-3px);
}

.page-contact .pc-faq__label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-contact .pc-faq__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--bone);
}

.page-contact .pc-faq__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--sage);
}

/* ---------- 收束块 ---------- */

.page-contact .pc-conclusion {
  padding: 30px 24px;
  background: var(--bone);
  border-top: 4px solid var(--ember);
  color: var(--charcoal);
}

.page-contact .pc-conclusion h2 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(20px, 3.8vw, 26px);
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--charcoal);
}

.page-contact .pc-conclusion p {
  margin: 0 0 20px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(16, 20, 24, 0.78);
}

/* ---------- 动效 ---------- */

.page-contact [data-reveal] {
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

/* ---------- 断点 ---------- */

@media (min-width: 560px) {
  .page-contact .pc-checklist__row {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 780px) {
  .page-contact .pc-scope {
    grid-template-columns: 1fr 1fr;
    gap: 26px;
  }

  .page-contact .pc-faq {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 880px) {
  .page-contact {
    --pc-space: 92px;
    padding: 44px 40px 120px;
  }

  .page-contact .contact-hero {
    margin-top: 8px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(252px, 330px) minmax(0, 1fr);
    gap: 54px;
    align-items: start;
  }

  .page-contact .pc-locale {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-contact .pc-locale__media,
  .page-contact .pc-locale__media img {
    height: 100%;
    min-height: 300px;
  }

  .page-contact .pc-locale__card {
    padding: 32px 28px;
  }

  .page-contact .pc-process {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: 40px;
    align-items: start;
  }

  .page-contact .pc-coop {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 12px 36px;
    align-items: start;
    padding: 32px 30px;
  }

  .page-contact .pc-coop p {
    grid-column: 1;
  }

  .page-contact .pc-coop .btn {
    grid-column: 2;
    grid-row: 1 / span 2;
    justify-self: start;
    align-self: start;
    margin-top: 0;
  }

  .page-contact .pc-conclusion {
    padding: 40px 38px;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: 336px minmax(0, 1fr);
    gap: 64px;
  }
}

/* ---------- 减弱动效 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-contact [data-reveal],
  .page-contact .pc-faq__item {
    transition: none;
  }

  .page-contact .pc-faq__item:hover,
  .page-contact .pc-faq__item:focus-visible {
    transform: none;
  }

  .page-contact .contact-hero::before {
    transform: none;
  }
}