/* ===== 联系我们 · page-contact ===== */

.page-contact {
  --pc-r-a: clamp(24px, 2.8vw, 40px);
  --pc-r-b: clamp(64px, 8.4vw, 120px);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding-top: clamp(22px, 3.4vw, 42px);
  padding-bottom: clamp(46px, 7vw, 92px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -8%;
  width: min(560px, 64vw);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%,
      rgba(255, 122, 47, 0.20) 0%,
      rgba(242, 69, 92, 0.07) 52%,
      rgba(250, 245, 239, 0) 72%);
  pointer-events: none;
  z-index: 0;
}

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

.page-contact .contact-hero__grid {
  align-items: end;
  row-gap: clamp(28px, 4vw, 48px);
  margin-top: clamp(22px, 3vw, 38px);
}

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

.page-contact .contact-hero__title {
  margin: 0.34em 0 0.46em;
  font-size: clamp(2.2rem, 5.8vw, 4.3rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.025em;
  max-width: 15em;
}

.page-contact .contact-hero__title em {
  font-style: normal;
  background: var(--warm);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.page-contact .contact-hero__lead {
  max-width: 34em;
  color: var(--ink);
}

.page-contact .contact-hero__meta {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--sage);
}

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

.page-contact .contact-hero__art img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 34% 66% 42% 58% / 54% 40% 60% 46%;
  transform: rotate(-1.5deg);
}

/* ---------- 联系渠道色块 ---------- */

.page-contact .channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 1.8vw, 22px);
}

.page-contact .channels > * {
  position: relative;
  min-width: 0;
  padding: clamp(24px, 3.2vw, 42px);
  overflow: hidden;
}

.page-contact .channels__mail,
.page-contact .channels__phone,
.page-contact .channels__addr {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .channels__mail {
  background: var(--warm);
  color: var(--ink);
  border-radius: var(--pc-r-a) var(--pc-r-a) var(--pc-r-a) var(--pc-r-b);
}

.page-contact .channels__phone {
  background: var(--deep);
  color: var(--paper);
  border-radius: var(--pc-r-a) var(--pc-r-a) var(--pc-r-b) var(--pc-r-a);
}

.page-contact .channels__addr {
  background: var(--mist);
  color: var(--ink);
  border-radius: var(--pc-r-b) var(--pc-r-a) var(--pc-r-a) var(--pc-r-a);
  justify-content: space-between;
}

.page-contact .channels__art {
  padding: 0;
  border-radius: var(--pc-r-a) var(--pc-r-b) var(--pc-r-a) var(--pc-r-a);
  background: var(--warm-soft);
}

.page-contact .channels__art img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-contact .channels__mail .label {
  color: rgba(20, 17, 15, 0.66);
}

.page-contact .channels__phone .label {
  color: rgba(250, 245, 239, 0.68);
}

.page-contact .channels__addr .label {
  color: var(--sage);
}

.page-contact .channel-value {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.02rem, 2.7vw, 1.62rem);
  line-height: 1.28;
  letter-spacing: 0.01em;
  text-align: left;
  color: inherit;
  cursor: pointer;
  word-break: break-all;
  transition: opacity var(--dur) var(--ease);
}

.page-contact .channel-value::after {
  content: "";
  display: block;
  width: 0;
  height: 2px;
  margin-top: 8px;
  background: currentColor;
  transition: width var(--dur-lg) var(--ease);
}

.page-contact .channel-value:hover::after,
.page-contact .channel-value:focus-visible::after {
  width: 100%;
}

.page-contact .channel-value:hover {
  opacity: 0.82;
}

.page-contact .channel-value.is-done {
  opacity: 0.6;
}

.page-contact .channel-value--static {
  cursor: default;
}

.page-contact .channel-value--static::after {
  width: 2.4em;
  opacity: 0.5;
}

.page-contact .channels__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--sage);
}

.page-contact .channels__desc a {
  color: var(--blue);
  text-decoration: underline;
  text-decoration-color: var(--sand);
  text-underline-offset: 3px;
}

.page-contact .channels__mail .channels__desc {
  color: rgba(20, 17, 15, 0.8);
}

.page-contact .channels__phone .channels__desc {
  color: rgba(250, 245, 239, 0.78);
}

.page-contact .channels__phone .channels__desc a {
  color: var(--sand);
}

.page-contact .channels__hint {
  margin-top: auto;
  padding-top: 6px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(20, 17, 15, 0.62);
}

.page-contact .channels__hint--light {
  color: rgba(250, 245, 239, 0.62);
}

/* ---------- 准备清单 ---------- */

.page-contact .contact-prep .container {
  max-width: var(--page);
}

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

.page-contact .prep__item {
  position: relative;
  border-bottom: 1px solid var(--sand);
}

.page-contact .prep__box {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
}

.page-contact .prep__label {
  display: flex;
  align-items: flex-start;
  gap: clamp(14px, 2vw, 26px);
  padding: clamp(17px, 2.3vw, 26px) clamp(4px, 1vw, 12px);
  cursor: pointer;
  transition: background var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-contact .prep__label:hover {
  background: var(--mint);
  padding-left: clamp(10px, 1.6vw, 20px);
}

.page-contact .prep__tick {
  position: relative;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 4px;
  border: 1.5px solid var(--ink);
  border-radius: 6px;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .prep__tick::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid var(--paper);
  border-width: 0 2px 2px 0;
  opacity: 0;
  transform: rotate(45deg) scale(0.4);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .prep__box:checked + .prep__label .prep__tick {
  background: var(--ink);
  border-color: var(--ink);
}

.page-contact .prep__box:checked + .prep__label .prep__tick::after {
  opacity: 1;
  transform: rotate(45deg) scale(1);
}

.page-contact .prep__box:focus-visible + .prep__label .prep__tick {
  box-shadow: 0 0 0 2px var(--paper), 0 0 0 4px var(--blue);
}

.page-contact .prep__text {
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.7;
  color: var(--ink);
  transition: color var(--dur) var(--ease);
}

.page-contact .prep__text strong {
  font-weight: 700;
}

.page-contact .prep__box:checked + .prep__label .prep__text {
  color: var(--sage);
}

/* ---------- 需求分流 ---------- */

.page-contact .router {
  position: relative;
}

.page-contact .router__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-contact .router__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(20px, 2.8vw, 32px);
}

.page-contact .router__chip {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  border: 1.5px solid rgba(20, 17, 15, 0.18);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .router__chip:hover {
  border-color: var(--ink);
}

.page-contact .router__input:focus-visible + .router__input + .router__input + .router__input + .router__chips {
  outline: 2px solid var(--blue);
  outline-offset: 4px;
}

.page-contact #need-sub:checked ~ .router__chips label[for="need-sub"],
.page-contact #need-biz:checked ~ .router__chips label[for="need-biz"],
.page-contact #need-tech:checked ~ .router__chips label[for="need-tech"],
.page-contact #need-eco:checked ~ .router__chips label[for="need-eco"] {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.page-contact .router__panel {
  display: none;
  padding: clamp(22px, 3vw, 36px);
  border-radius: clamp(20px, 2.6vw, 32px);
  background: var(--mint);
}

.page-contact #need-sub:checked ~ .router__panels #panel-sub,
.page-contact #need-biz:checked ~ .router__panels #panel-biz,
.page-contact #need-tech:checked ~ .router__panels #panel-tech,
.page-contact #need-eco:checked ~ .router__panels #panel-eco {
  display: block;
}

.page-contact .router__panelTitle {
  margin: 0 0 0.6em;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 700;
  line-height: 1.35;
}

.page-contact .router__panel p {
  margin: 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--deep);
}

.page-contact .router__panel a {
  color: var(--blue);
  text-decoration: underline;
  text-decoration-color: var(--sand);
  text-underline-offset: 3px;
}

/* ---------- 服务时间 ---------- */

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

.page-contact .hours__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  column-gap: clamp(14px, 2vw, 24px);
  padding: clamp(20px, 2.6vw, 30px) 0;
  border-top: 1px solid var(--sand);
}

.page-contact .hours__item:last-child {
  border-bottom: 1px solid var(--sand);
}

.page-contact .hours__num {
  grid-column: 1;
  grid-row: 1;
  padding-top: 0.35em;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-contact .hours__title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-size: clamp(1.05rem, 2vw, 1.32rem);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.page-contact .hours__text {
  grid-column: 2;
  grid-row: 2;
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--sage);
}

/* ---------- 备案与站点信息 ---------- */

.page-contact .filing__list {
  margin: 0;
  border-top: 1px solid var(--sand);
}

.page-contact .filing__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px solid var(--sand);
}

.page-contact .filing__row dt {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--sage);
}

.page-contact .filing__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.page-contact .filing__row dd a {
  color: var(--blue);
  text-decoration: underline;
  text-decoration-color: var(--sand);
  text-underline-offset: 3px;
}

.page-contact .contact-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.2vw, 40px);
}

/* ---------- 响应式 ---------- */

@media (max-width: 859px) {
  .page-contact .contact-hero__copy,
  .page-contact .contact-hero__art {
    grid-column: 1 / -1;
  }
  .page-contact .contact-hero__title {
    max-width: none;
  }
}

@media (min-width: 860px) {
  .page-contact .channels {
    grid-template-columns: 1.24fr 1fr;
    grid-template-areas:
      "mail phone"
      "art  addr";
  }

  .page-contact .channels__mail { grid-area: mail; }
  .page-contact .channels__phone { grid-area: phone; }
  .page-contact .channels__art { grid-area: art; }
  .page-contact .channels__addr { grid-area: addr; }

  .page-contact .hours__item {
    grid-template-columns: 58px minmax(180px, 280px) minmax(0, 1fr);
    column-gap: clamp(20px, 3vw, 44px);
    align-items: baseline;
  }

  .page-contact .hours__num { grid-column: 1; grid-row: 1; }
  .page-contact .hours__title { grid-column: 2; grid-row: 1; }
  .page-contact .hours__text {
    grid-column: 3;
    grid-row: 1;
    margin: 0;
  }
}

@media (min-width: 620px) {
  .page-contact .filing__row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: clamp(16px, 2.4vw, 32px);
    align-items: baseline;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
  .page-contact .contact-hero__art img {
    transform: none;
  }
}