.page-contact {
  --c-line: rgba(154, 169, 188, .22);
  --c-line-strong: rgba(154, 169, 188, .46);
  --c-text-soft: #C7D2E0;
  display: block;
  background: var(--deep);
  color: var(--white);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  padding-top: clamp(18px, 3.2vw, 32px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  margin-top: clamp(16px, 2.6vw, 26px);
}

.page-contact h1 {
  margin: 0 0 clamp(14px, 2vw, 20px);
  font-family: var(--font-display);
  font-size: clamp(29px, 6.2vw, 54px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -.012em;
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 36em;
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.85;
  color: var(--c-text-soft);
}

.page-contact .contact-hero__facts {
  margin: 0;
  padding: 2px 18px;
  background: linear-gradient(180deg, rgba(18, 57, 94, .58), rgba(10, 23, 48, .18));
  border-top: 1px solid var(--c-line-strong);
  border-bottom: 1px solid var(--c-line-strong);
  box-shadow: var(--hard);
}

.page-contact .contact-hero__facts > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 13px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .contact-hero__facts > div:last-child {
  border-bottom: 0;
}

.page-contact .contact-hero__facts dt {
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--silver);
}

.page-contact .contact-hero__facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.6vw, 16px);
  color: var(--amber);
  white-space: nowrap;
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .9fr);
    align-items: end;
  }
}

/* ---------- 顶部色带图 ---------- */

.page-contact .contact-band {
  margin: clamp(26px, 4vw, 44px) 0 0;
  border-top: 2px solid var(--steel);
}

.page-contact .contact-band img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  max-width: 100%;
}

@media (min-width: 760px) {
  .page-contact .contact-band img {
    aspect-ratio: 8 / 3;
  }
}

/* ---------- 章节通用 ---------- */

.page-contact .section {
  padding-top: clamp(42px, 7vw, 78px);
}

.page-contact .contact-lede {
  margin: 12px 0 0;
  max-width: 44em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--c-text-soft);
}

/* ---------- 三条联系路径 ---------- */

.page-contact .route-grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(22px, 3.4vw, 34px);
  background: var(--c-line-strong);
  border: 1px solid var(--c-line-strong);
  box-shadow: var(--hard);
}

.page-contact .route {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(22px, 2.8vw, 32px);
  background: var(--deep);
}

.page-contact .route::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--route-accent, var(--silver));
}

.page-contact .route--mail { --route-accent: var(--cyan); }
.page-contact .route--phone { --route-accent: var(--red); }
.page-contact .route--addr { --route-accent: var(--amber); }

.page-contact .route__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .24em;
  color: var(--silver);
}

.page-contact .route__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.3vw, 25px);
  line-height: 1.2;
}

.page-contact .route__value {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--route-accent, var(--silver));
  font-family: var(--font-mono);
  font-size: clamp(13.5px, 1.7vw, 16.5px);
  line-height: 1.6;
  color: var(--white);
  overflow-wrap: anywhere;
  user-select: all;
}

.page-contact .route__use {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-text-soft);
}

.page-contact .route__use li {
  position: relative;
  padding-left: 17px;
}

.page-contact .route__use li::before {
  content: "";
  position: absolute;
  top: .68em;
  left: 0;
  width: 7px;
  height: 2px;
  background: var(--route-accent, var(--silver));
}

@media (min-width: 860px) {
  .page-contact .route-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .route-figure {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  border: 1px solid var(--c-line-strong);
}

.page-contact .route-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  max-width: 100%;
}

.page-contact .route-figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--silver);
}

/* ---------- 三件信息 ---------- */

.page-contact .align-list {
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--c-line-strong);
}

.page-contact .align-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(16px, 3vw, 36px);
  padding: clamp(20px, 2.8vw, 28px) 0;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .align-item__num {
  padding-top: .1em;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.6vw, 38px);
  line-height: 1;
  color: var(--cyan);
  opacity: .85;
}

.page-contact .align-item__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.1vw, 22px);
  line-height: 1.3;
}

.page-contact .align-item__desc {
  margin: 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-text-soft);
}

/* ---------- 合作接洽 ---------- */

.page-contact .partner-grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .partner-copy p {
  margin: 0 0 18px;
  max-width: 44em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--c-text-soft);
}

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

.page-contact .partner-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text-soft);
}

.page-contact .partner-list li::before {
  content: "";
  position: absolute;
  top: .75em;
  left: 0;
  width: 8px;
  height: 2px;
  background: var(--violet);
}

.page-contact .partner-list strong {
  margin-right: 6px;
  font-weight: 600;
  color: var(--white);
}

.page-contact .partner-card {
  padding: clamp(20px, 2.6vw, 28px);
  background: linear-gradient(180deg, rgba(123, 77, 255, .16), rgba(10, 23, 48, .2));
  border: 1px solid rgba(123, 77, 255, .42);
  border-left: 3px solid var(--violet);
}

.page-contact .partner-card__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .22em;
  color: var(--violet);
}

.page-contact .partner-card__mail {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(13.5px, 1.7vw, 16px);
  color: var(--white);
  overflow-wrap: anywhere;
  user-select: all;
}

.page-contact .partner-card__hint {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text-soft);
}

@media (min-width: 880px) {
  .page-contact .partner-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, .95fr);
    align-items: start;
  }
}

/* ---------- 备案与站点信息 ---------- */

.page-contact .filing-list {
  display: grid;
  margin: clamp(20px, 3vw, 30px) 0 0;
  border-top: 1px solid var(--c-line-strong);
}

.page-contact .filing-list > div {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .filing-list dt {
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--silver);
}

.page-contact .filing-list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.6vw, 16px);
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .icp {
  position: relative;
  display: inline-block;
  border-bottom: 1px dashed var(--c-line-strong);
  cursor: help;
}

.page-contact .icp__tip {
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  min-width: 168px;
  padding: 8px 12px;
  background: var(--steel);
  border: 1px solid rgba(154, 169, 188, .5);
  box-shadow: var(--hard);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
  z-index: 8;
}

.page-contact .icp:hover .icp__tip,
.page-contact .icp:focus-visible .icp__tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

@media (min-width: 700px) {
  .page-contact .filing-list > div {
    grid-template-columns: minmax(120px, 200px) minmax(0, 1fr);
    align-items: baseline;
    gap: 24px;
  }
}

/* ---------- 自助入口 ---------- */

.page-contact .section--next {
  margin-top: clamp(44px, 7vw, 80px);
  padding-top: clamp(34px, 5vw, 52px);
  padding-bottom: clamp(48px, 7vw, 76px);
  border-top: 1px solid var(--c-line-strong);
}

.page-contact .section--next h2 {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.8vw, 30px);
  line-height: 1.25;
}

.page-contact .next-links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line-strong);
}

.page-contact .next-links li {
  display: grid;
  gap: 8px;
  padding: clamp(18px, 2.4vw, 24px);
  background: var(--deep);
}

.page-contact .next-links a {
  justify-self: start;
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 20px);
  color: var(--white);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.page-contact .next-links a:hover,
.page-contact .next-links a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .next-links span {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-soft);
}

@media (min-width: 860px) {
  .page-contact .next-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .icp__tip,
  .page-contact .next-links a {
    transition: none;
  }
}