/* ===== 咨询与支持 / page-contact ===== */

.page-contact {
  --pc-pad-y: clamp(44px, 7vw, 84px);
  --pc-line: 1px solid var(--rule);
}

.page-contact .section {
  padding: var(--pc-pad-y) 0;
}

.page-contact .section__head .lead {
  max-width: 46ch;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 40px) 0 clamp(38px, 6vw, 76px);
  border-bottom: 1px solid var(--rule);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(118deg, transparent 0 44px, var(--rule) 44px 45px);
  opacity: .45;
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: -30%;
  right: -18%;
  width: min(540px, 78vw);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 42% 42%, rgba(52, 241, 212, .16), transparent 66%);
  pointer-events: none;
}

.page-contact .contact-hero .container {
  position: relative;
  z-index: 1;
}

.page-contact .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 48px);
  align-items: start;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.3rem, 9.5vw, 4.3rem);
  line-height: 1.02;
  letter-spacing: .005em;
  color: var(--white);
  margin: 10px 0 clamp(14px, 2vw, 22px);
}

.page-contact .contact-hero .lead {
  max-width: 38ch;
  color: var(--silver);
}

.page-contact .contact-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .hero-shot {
  position: relative;
  margin: 0;
  border: 1px solid var(--rule-strong);
  background: var(--night-2);
  overflow: hidden;
}

.page-contact .hero-shot::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 64px;
  height: 5px;
  background: var(--cyan);
}

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

@media (min-width: 860px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(220px, .58fr);
    gap: clamp(32px, 5vw, 72px);
  }
}

/* ---------- 联系渠道 ---------- */

.page-contact .channel-list {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  border-top: 1px solid var(--rule-strong);
}

.page-contact .channel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: clamp(22px, 3.6vw, 36px) 0;
  border-bottom: var(--pc-line);
}

.page-contact .channel__no {
  position: relative;
  padding-left: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 18px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-contact .channel__no::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.page-contact .channel__name {
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--silver);
  margin: 0 0 10px;
}

.page-contact .channel__value {
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 4.2vw, 1.5rem);
  letter-spacing: .01em;
  color: var(--white);
  margin: 0 0 14px;
  word-break: break-word;
}

.page-contact .channel__desc {
  color: var(--silver);
  font-size: .94rem;
  line-height: 1.78;
  margin: 0 0 14px;
  max-width: 62ch;
}

.page-contact .channel__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--amber);
  margin: 0;
  padding-left: 10px;
  border-left: 2px solid var(--amber);
}

@media (min-width: 780px) {
  .page-contact .channel {
    grid-template-columns: 92px minmax(0, 1fr);
    column-gap: clamp(22px, 3vw, 46px);
    align-items: start;
  }
}

/* ---------- 来信准备清单 ---------- */

.page-contact .contact-prep__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule-strong);
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  column-gap: clamp(10px, 2vw, 18px);
  row-gap: 6px;
  padding: clamp(16px, 2.6vw, 24px) 0;
  border-bottom: var(--pc-line);
}

.page-contact .prep-item__no {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--silver);
  padding-top: 2px;
}

.page-contact .prep-item__title {
  margin: 0;
  font-size: .98rem;
  font-weight: 600;
  color: var(--white);
}

.page-contact .prep-item__desc {
  grid-column: 2;
  margin: 0;
  font-size: .92rem;
  line-height: 1.72;
  color: var(--silver);
}

@media (min-width: 900px) {
  .page-contact .contact-prep__grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: clamp(36px, 5vw, 72px);
  }
}

/* ---------- 服务时间 ---------- */

.page-contact .hours-board {
  margin-top: clamp(26px, 4vw, 40px);
  padding: clamp(18px, 3vw, 26px) clamp(16px, 2.6vw, 26px);
  background: var(--night-2);
  border: 1px solid var(--rule-strong);
}

.page-contact .hours-board__bar {
  position: relative;
  height: 8px;
  background: rgba(195, 207, 214, .12);
}

.page-contact .hours-board__band {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  background: linear-gradient(90deg, var(--teal), var(--cyan));
}

.page-contact .hours-board__scale {
  position: relative;
  height: 18px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .hours-board__scale li {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 18px;
  color: var(--silver);
  white-space: nowrap;
}

.page-contact .hours-board__scale li:first-child { left: 0; transform: none; }
.page-contact .hours-board__scale li:nth-child(2) { left: 25%; }
.page-contact .hours-board__scale li:nth-child(3) { left: 37.5%; color: var(--cyan); }
.page-contact .hours-board__scale li:nth-child(4) { left: 50%; }
.page-contact .hours-board__scale li:nth-child(5) { left: 75%; color: var(--cyan); }
.page-contact .hours-board__scale li:last-child { left: 100%; transform: translateX(-100%); }

.page-contact .hours-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(24px, 4vw, 40px);
}

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

.page-contact .hours-note {
  background: var(--night);
  padding: clamp(16px, 2.6vw, 24px);
}

.page-contact .hours-note__k {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--orange);
}

.page-contact .hours-note__v {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--white);
}

.page-contact .hours-note__d {
  margin: 0;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--silver);
}

.page-contact .hours-figure {
  margin: 0;
  border: 1px solid var(--rule-strong);
  background: var(--night-2);
}

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

.page-contact .hours-figure figcaption {
  padding: 12px clamp(14px, 2vw, 18px);
  border-top: var(--pc-line);
  font-size: 12px;
  line-height: 1.6;
  color: var(--silver);
}

@media (max-width: 520px) {
  .page-contact .hours-board__scale li:nth-child(2),
  .page-contact .hours-board__scale li:nth-child(4) {
    display: none;
  }
}

@media (min-width: 880px) {
  .page-contact .hours-body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
    align-items: start;
  }
}

/* ---------- 内容协作 ---------- */

.page-contact .collab-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  padding: clamp(26px, 4.5vw, 56px);
  background: var(--night-2);
  border: 1px solid var(--rule-strong);
  border-top: 3px solid var(--cyan);
}

.page-contact .collab-panel__head .section-title {
  margin-bottom: 14px;
}

.page-contact .collab-panel__head p {
  margin: 0;
  max-width: 44ch;
  font-size: .95rem;
  line-height: 1.76;
  color: var(--silver);
}

.page-contact .collab-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .collab-item {
  padding: 14px 0 14px 18px;
  border-left: 1px solid var(--rule-strong);
}

.page-contact .collab-item__title {
  margin: 0 0 6px;
  font-size: .98rem;
  font-weight: 600;
  color: var(--cyan);
}

.page-contact .collab-item__desc {
  margin: 0;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--silver);
}

@media (min-width: 900px) {
  .page-contact .collab-panel {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    align-items: start;
  }
}

/* ---------- 常见咨询 ---------- */

.page-contact .topic-list {
  margin-top: clamp(24px, 4vw, 38px);
  border-top: 1px solid var(--rule-strong);
}

.page-contact .topic {
  border-bottom: var(--pc-line);
}

.page-contact .topic__q {
  position: relative;
  display: block;
  padding: clamp(16px, 2.4vw, 22px) 34px clamp(16px, 2.4vw, 22px) 0;
  font-size: clamp(.98rem, 2.4vw, 1.08rem);
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
  cursor: pointer;
  list-style: none;
}

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

.page-contact .topic__q::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .topic[open] .topic__q {
  color: var(--cyan);
}

.page-contact .topic[open] .topic__q::after {
  content: "−";
}

.page-contact .topic__a {
  padding: 0 0 clamp(18px, 3vw, 26px);
  max-width: 68ch;
}

.page-contact .topic__a p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--silver);
}

.page-contact .contact-tail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: clamp(28px, 4vw, 44px);
  padding: clamp(18px, 3vw, 26px) clamp(18px, 3vw, 28px);
  background: var(--night-2);
  border: 1px solid var(--rule-strong);
  border-left: 3px solid var(--orange);
}

.page-contact .contact-tail p {
  margin: 0;
  max-width: 52ch;
  font-size: .93rem;
  line-height: 1.72;
  color: var(--silver);
}

.page-contact .contact-tail__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 地址与备案 ---------- */

.page-contact .legal-strip {
  border-top: 1px solid var(--rule-strong);
  border-bottom: var(--pc-line);
}

.page-contact .legal-strip__list {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .legal-strip__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: clamp(14px, 2.2vw, 18px) 0;
  border-bottom: var(--pc-line);
}

.page-contact .legal-strip__row:last-child {
  border-bottom: 0;
}

.page-contact .legal-strip__row dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--silver);
}

.page-contact .legal-strip__row dd {
  margin: 0;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--white);
  word-break: break-word;
}

.page-contact .contact-legal .meta-note {
  margin-top: clamp(18px, 3vw, 26px);
}

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

@media (min-width: 720px) {
  .page-contact .legal-strip__row {
    grid-template-columns: 140px minmax(0, 1fr);
    align-items: baseline;
    gap: clamp(16px, 3vw, 28px);
  }
}

/* ---------- 进入动效（渐进增强） ---------- */

.has-js .page-contact [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity .55s cubic-bezier(.22, .61, .36, 1),
    transform .55s cubic-bezier(.22, .61, .36, 1);
}

.has-js .page-contact [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .has-js .page-contact [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- 焦点可见性 ---------- */

.page-contact a:focus-visible,
.page-contact summary:focus-visible,
.page-contact .btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}