/* ============================================================
   联系与反馈页  /feedback/
   作用域：.page-contact
   ============================================================ */

.page-contact {
  --ct-gap: clamp(14px, 2.2vw, 26px);
  --ct-pad: clamp(46px, 7vw, 92px);
  background: var(--ink);
  color: var(--mist);
}

.page-contact .contact-head {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 3.5vw, 44px) 0 clamp(30px, 5vw, 58px);
  background: var(--ink);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-head::before {
  content: "";
  position: absolute;
  top: -46%;
  right: -8%;
  width: min(720px, 78vw);
  height: 420px;
  background: radial-gradient(ellipse at center, rgba(255, 106, 0, .22), transparent 68%);
  pointer-events: none;
}

.page-contact .contact-head::after {
  content: "";
  position: absolute;
  bottom: -62%;
  left: -12%;
  width: min(560px, 70vw);
  height: 380px;
  background: radial-gradient(ellipse at center, rgba(61, 245, 192, .13), transparent 70%);
  pointer-events: none;
}

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

.page-contact .contact-head .breadcrumbs {
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-contact h1 {
  margin: 10px 0 0;
  max-width: 18ch;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--cream);
}

.page-contact .contact-head .lede {
  margin: 16px 0 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.72;
  color: rgba(201, 209, 217, .86);
}

/* ---------- 客服渠道 ---------- */

.page-contact .contact-desk {
  padding: clamp(10px, 2vw, 24px) 0 var(--ct-pad);
  background: var(--ink);
}

.page-contact .desk-intro {
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

.page-contact .desk-intro .section-title {
  margin: 8px 0 0;
  font-size: clamp(22px, 3vw, 34px);
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-contact .desk-media {
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--ink-2);
}

.page-contact .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .desk-rows {
  display: grid;
  gap: var(--ct-gap);
  grid-template-columns: 1fr;
}

@media (min-width: 860px) {
  .page-contact .desk-rows {
    grid-template-columns: minmax(0, 1.24fr) minmax(0, 1fr);
    align-items: stretch;
  }
}

.page-contact .desk-row {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  padding: clamp(18px, 2.6vw, 28px) clamp(18px, 2.6vw, 28px) clamp(18px, 2.6vw, 28px) clamp(22px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: linear-gradient(168deg, rgba(26, 34, 48, .96) 0%, rgba(11, 18, 32, .92) 100%);
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}

.page-contact .desk-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: clamp(18px, 2.6vw, 28px);
  bottom: clamp(18px, 2.6vw, 28px);
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: linear-gradient(180deg, var(--amber), var(--amber-2));
}

.page-contact .desk-row--phone::before {
  background: linear-gradient(180deg, var(--moss), var(--mint));
}

.page-contact .desk-row:hover,
.page-contact .desk-row:focus-within {
  transform: translateY(-3px);
  border-color: rgba(255, 106, 0, .38);
  box-shadow: var(--shadow-lift);
}

.page-contact .desk-row--phone:hover,
.page-contact .desk-row--phone:focus-within {
  border-color: rgba(61, 245, 192, .34);
}

.page-contact .desk-row__label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: .04em;
  color: rgba(201, 209, 217, .84);
}

.page-contact .desk-value {
  margin: 0;
  font-family: var(--font-data);
  font-size: clamp(17px, 2.2vw, 24px);
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--cream);
  overflow-wrap: anywhere;
  user-select: all;
}

.page-contact .desk-row__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.66;
  color: rgba(201, 209, 217, .72);
}

.page-contact .desk-acts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: auto;
  padding-top: 6px;
}

.page-contact .copy-btn {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid rgba(61, 245, 192, .34);
  background: rgba(61, 245, 192, .07);
  color: var(--mint);
  transition: background .22s ease, border-color .22s ease, color .22s ease, transform .22s ease;
}

.page-contact .copy-btn:hover {
  background: rgba(61, 245, 192, .16);
}

.page-contact .copy-btn:active {
  transform: scale(.97);
}

.page-contact .copy-btn:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
}

.page-contact .copy-btn[data-state="done"] {
  background: var(--mint);
  border-color: var(--mint);
  color: var(--ink);
}

/* ---------- 反馈前准备 ---------- */

.page-contact .contact-prep {
  padding: var(--ct-pad) 0;
  background: var(--cream);
  color: var(--ink);
}

.page-contact .contact-prep .eyebrow {
  color: var(--clay);
}

.page-contact .prep-grid {
  display: grid;
  gap: clamp(24px, 4vw, 52px);
  grid-template-columns: 1fr;
}

@media (min-width: 920px) {
  .page-contact .prep-grid {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: start;
  }
}

.page-contact .prep-aside .section-title {
  margin: 8px 0 12px;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .prep-copy {
  margin: 0 0 clamp(18px, 2.6vw, 26px);
  font-size: 16px;
  line-height: 1.72;
  color: #454f5c;
}

.page-contact .prep-media {
  margin: 0;
  aspect-ratio: 3 / 2;
  border-radius: var(--radius-m);
  border: 1px solid rgba(11, 18, 32, .12);
  overflow: hidden;
  background:
    linear-gradient(rgba(11, 18, 32, .05) 1px, transparent 1px) 0 0 / 100% 26px,
    linear-gradient(90deg, rgba(11, 18, 32, .05) 1px, transparent 1px) 0 0 / 26px 100%,
    #e7e3da;
}

.page-contact .prep-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .prep-list {
  counter-reset: prep;
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(11, 18, 32, .14);
}

.page-contact .prep-list li {
  counter-increment: prep;
  position: relative;
  padding: 18px 8px 18px 66px;
  border-bottom: 1px solid rgba(11, 18, 32, .14);
  font-size: 16px;
  line-height: 1.68;
  color: #333c48;
  transition: background .24s ease;
}

.page-contact .prep-list li::before {
  content: counter(prep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 19px;
  width: 44px;
  text-align: center;
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  line-height: 22px;
  color: var(--clay);
  border: 1px solid rgba(185, 106, 75, .45);
  border-radius: var(--radius-s);
}

.page-contact .prep-list li:hover {
  background: rgba(255, 106, 0, .07);
}

.page-contact .prep-list strong {
  color: var(--ink);
  font-weight: 700;
}

/* ---------- 常见联系场景 ---------- */

.page-contact .contact-scenes {
  padding: var(--ct-pad) 0;
  background: var(--ink);
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-scenes .section-title {
  color: var(--cream);
}

.page-contact .contact-scenes .lede {
  color: rgba(201, 209, 217, .8);
}

.page-contact .scene-list {
  display: grid;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 34px);
}

.page-contact .scene-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: rgba(26, 34, 48, .5);
  transition: border-color .24s ease, background .24s ease;
}

.page-contact .scene-item:hover {
  border-color: rgba(255, 106, 0, .32);
}

.page-contact .scene-item[open] {
  border-color: rgba(255, 106, 0, .48);
  background: rgba(26, 34, 48, .88);
}

.page-contact .scene-item > summary {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
  padding: clamp(15px, 2vw, 20px) clamp(16px, 2.4vw, 24px);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(15px, 1.8vw, 18px);
  color: var(--cream);
}

.page-contact .scene-item > summary::-webkit-details-marker {
  display: none;
}

.page-contact .scene-item > summary:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: -2px;
  border-radius: var(--radius-m);
}

.page-contact .scene-item__idx {
  flex: 0 0 auto;
  padding: 3px 7px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--stone);
}

.page-contact .scene-item__name {
  flex: 1 1 220px;
  min-width: 0;
}

.page-contact .scene-item__mark {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-family: var(--font-data);
  font-size: 16px;
  line-height: 1;
  color: var(--amber);
  transition: transform .24s ease, background .24s ease, color .24s ease, border-color .24s ease;
}

.page-contact .scene-item[open] .scene-item__mark {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
  transform: rotate(45deg);
}

.page-contact .scene-item .faq-item__body {
  margin: 0;
  padding: 14px clamp(16px, 2.4vw, 24px) clamp(16px, 2.4vw, 22px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .scene-item .faq-item__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: rgba(201, 209, 217, .82);
}

.page-contact .scene-item .faq-item__body a {
  color: var(--mint);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .scene-item .faq-item__body a:hover {
  color: var(--amber-2);
}

/* ---------- 合作与内容纠错 ---------- */

.page-contact .contact-partner {
  padding: var(--ct-pad) 0;
  background: var(--ink-2);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .partner-grid {
  display: grid;
  gap: clamp(24px, 4vw, 54px);
  grid-template-columns: 1fr;
}

@media (min-width: 940px) {
  .page-contact .partner-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    align-items: start;
  }
}

.page-contact .partner-lead .section-title {
  margin: 8px 0 14px;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-contact .partner-lead p {
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(201, 209, 217, .8);
}

.page-contact .partner-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .partner-list li {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 15px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: rgba(11, 18, 32, .5);
  transition: border-color .24s ease, transform .24s ease;
}

.page-contact .partner-list li:hover {
  border-color: rgba(61, 245, 192, .3);
  transform: translateX(4px);
}

.page-contact .partner-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.64;
  color: rgba(201, 209, 217, .74);
}

/* ---------- 回复时间、地址与备案 ---------- */

.page-contact .contact-meta {
  padding: var(--ct-pad) 0;
  background: var(--ink);
}

.page-contact .meta-grid {
  display: grid;
  gap: var(--ct-gap);
  grid-template-columns: 1fr;
}

@media (min-width: 860px) {
  .page-contact .meta-grid {
    grid-template-columns: minmax(0, 1.14fr) minmax(0, 1fr);
    align-items: stretch;
  }
}

.page-contact .meta-card {
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: rgba(26, 34, 48, .56);
}

.page-contact .meta-card--stone {
  border-color: rgba(92, 102, 114, .55);
  background: rgba(11, 18, 32, .72);
}

.page-contact .meta-card__title {
  margin: 8px 0 12px;
  font-family: var(--font-head);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-contact .meta-card p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.76;
  color: rgba(201, 209, 217, .8);
}

.page-contact .meta-card p:last-child {
  margin-bottom: 0;
}

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

.page-contact .meta-card a:hover {
  color: var(--amber-2);
}

.page-contact .meta-address {
  font-family: var(--font-data);
  font-size: clamp(15px, 1.8vw, 18px);
  font-weight: 500;
  line-height: 1.6;
  color: var(--cream);
  overflow-wrap: anywhere;
  user-select: all;
}

.page-contact .meta-card .meta-legal {
  display: inline-block;
  margin: 0 0 14px;
  padding: 6px 12px;
  border: 1px solid rgba(92, 102, 114, .6);
  border-radius: 999px;
  background: rgba(92, 102, 114, .14);
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--mist);
}

/* ---------- 窄屏收敛 ---------- */

@media (max-width: 640px) {
  .page-contact h1 {
    max-width: 100%;
  }

  .page-contact .prep-list li {
    padding-left: 56px;
  }

  .page-contact .prep-list li::before {
    width: 38px;
    font-size: 12px;
  }

  .page-contact .scene-item > summary {
    padding-right: 16px;
  }

  .page-contact .partner-list li:hover {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .desk-row,
  .page-contact .copy-btn,
  .page-contact .scene-item,
  .page-contact .scene-item__mark,
  .page-contact .partner-list li,
  .page-contact .prep-list li {
    transition: none;
  }

  .page-contact .desk-row:hover,
  .page-contact .desk-row:focus-within,
  .page-contact .partner-list li:hover {
    transform: none;
  }
}