/* ===== 页面专属：支持中心 /support/ ===== */
.page-faq {
  --faq-clip: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
  font-family: var(--font-body);
  background: var(--c-black);
  color: var(--c-white);
  line-height: 1.6;
}
.page-faq img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}
.page-faq a {
  color: var(--c-gold);
  text-decoration: none;
}
.page-faq a:hover {
  text-decoration: underline;
}
.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--font-head);
  letter-spacing: .02em;
  line-height: 1.15;
}
.page-faq h1 {
  font-size: clamp(30px, 5vw, 46px);
  text-transform: uppercase;
  margin: 0 0 14px;
}
.page-faq h2 {
  font-size: clamp(26px, 4vw, 34px);
  text-transform: uppercase;
  margin: 0;
}
.page-faq h3 {
  font-size: 20px;
  font-weight: 700;
}
.page-faq .faq-wrap {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 20px;
}
.page-faq .faq-kicker {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 14px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-gold);
  border: 1px solid var(--c-gold);
  padding: 4px 12px;
  margin-bottom: 12px;
}
.page-faq .faq-lead {
  color: var(--c-gray);
  max-width: 42em;
  margin: 10px 0 0;
}

/* Hero */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(11,102,35,.95) 0%, rgba(10,10,10,.97) 60%),
    repeating-linear-gradient(-45deg, rgba(255,255,255,.05) 0, rgba(255,255,255,.05) 1px, transparent 1px, transparent 12px);
  color: var(--c-white);
  padding: calc(var(--header-h) + 44px) 0 44px;
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  right: -80px;
  top: 40px;
  width: 280px;
  height: 280px;
  border: 3px solid rgba(255,215,0,.2);
  transform: rotate(45deg);
  pointer-events: none;
}
.page-faq .faq-hero__grid {
  display: grid;
  gap: 30px;
  align-items: center;
}
.page-faq .faq-hero__figure {
  margin: 0;
  position: relative;
  max-width: 360px;
  border: 2px solid var(--c-gold);
  padding: 8px;
  background: rgba(0,0,0,.3);
}
.page-faq .faq-hero__figure::after {
  content: "SUPPORT";
  position: absolute;
  top: -12px;
  right: 12px;
  background: var(--c-gold);
  color: var(--c-ink);
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: .12em;
  padding: 4px 12px;
}
.page-faq .faq-breads {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--c-gray);
  margin-bottom: 18px;
}
.page-faq .faq-breads a {
  color: var(--c-gold);
}
.page-faq .faq-breads [aria-current="page"] {
  color: var(--c-white);
}
.page-faq .faq-hero__lead {
  max-width: 36em;
  color: var(--c-gray-bright);
  font-size: 17px;
  margin: 0;
}
.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 620px;
  margin: 24px 0 0;
  background: var(--c-paper);
  border: 2px solid var(--c-gold);
  padding: 0 16px;
  color: var(--c-ink);
  clip-path: var(--faq-clip);
}
.page-faq .faq-search__icon {
  flex: none;
  color: var(--c-green);
}
.page-faq .faq-search__input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 0;
  color: var(--c-ink);
  font-family: var(--font-body);
  font-size: 16px;
  padding: 14px 0;
  outline: none;
}
.page-faq .faq-search__input::placeholder {
  color: var(--c-green);
  opacity: .55;
}
.page-faq .faq-hero__quickwrap {
  display: grid;
  gap: 14px;
  margin-top: 30px;
}
.page-faq .faq-quick__card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.14);
  color: var(--c-white);
  clip-path: var(--faq-clip);
  transition: background .25s, border-color .25s, transform .25s;
}
.page-faq .faq-quick__card:hover {
  background: var(--c-green);
  border-color: var(--c-gold);
  color: var(--c-white);
  transform: translateY(-2px);
  text-decoration: none;
}
.page-faq .faq-quick__icon {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--c-gold);
  color: var(--c-ink);
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}
.page-faq .faq-quick__text strong {
  display: block;
  font-family: var(--font-head);
  font-size: 18px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.page-faq .faq-quick__text small {
  display: block;
  margin-top: 2px;
  color: var(--c-gray);
}

/* FAQ 控制台 */
.page-faq .faq-console-section {
  padding: 52px 0 64px;
  background:
    radial-gradient(circle at 10% 0%, rgba(11,102,35,.4), transparent 40%),
    var(--c-black);
}
.page-faq .faq-console {
  display: grid;
  gap: 8px;
  margin-top: 30px;
}
.page-faq .faq-console__cats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-faq .faq-console__cat {
  border: 0;
  cursor: pointer;
  background: var(--c-green);
  color: var(--c-white);
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 12px 18px;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  transition: background .25s, color .25s;
}
.page-faq .faq-console__cat:hover,
.page-faq .faq-console__cat[aria-selected="true"] {
  background: var(--c-gold);
  color: var(--c-ink);
}
.page-faq .faq-panel {
  border-bottom: 1px solid rgba(255,255,255,.1);
  padding-bottom: 24px;
  margin-bottom: 24px;
}
.page-faq .faq-panel:last-child {
  border-bottom: 0;
  padding-bottom: 0;
  margin-bottom: 0;
}
.page-faq .faq-panel__name {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--c-gold);
  font-size: 22px;
  text-transform: uppercase;
  margin: 0 0 16px;
}
.page-faq .faq-panel__name::before {
  content: "";
  width: 38px;
  height: 4px;
  background: var(--c-gold);
  transform: skewX(-24deg);
  flex: none;
}

/* FAQ 手风琴 */
.page-faq .faq-item {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.12);
  margin-bottom: 10px;
  transition: border-color .25s, background .25s;
}
.page-faq .faq-item[open] {
  border-color: var(--c-gold);
  background: rgba(255,215,0,.06);
}
.page-faq .faq-item__summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 600;
  color: var(--c-white);
}
.page-faq .faq-item__summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item__num {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--c-green);
  color: var(--c-white);
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}
.page-faq .faq-item[open] .faq-item__num {
  background: var(--c-gold);
  color: var(--c-ink);
}
.page-faq .faq-item__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-head);
  font-size: 24px;
  line-height: 1;
  color: var(--c-gold);
}
.page-faq .faq-item[open] .faq-item__summary::after {
  content: "−";
}
.page-faq .faq-item__body {
  padding: 0 18px 18px;
  color: var(--c-gray-bright);
  font-size: 15px;
}
.page-faq .faq-item__body p {
  margin: 0;
}
.page-faq .faq-item__body a {
  color: var(--c-gold);
  text-decoration: underline;
}

/* 使用指南 */
.page-faq .guide-section {
  position: relative;
  overflow: hidden;
  background: var(--c-green);
  color: var(--c-white);
  padding: 56px 0;
}
.page-faq .guide-section::before {
  content: "";
  position: absolute;
  width: 540px;
  height: 540px;
  border: 2px dashed rgba(255,255,255,.18);
  border-radius: 50%;
  right: -200px;
  top: -200px;
  pointer-events: none;
}
.page-faq .guide-section::after {
  content: "";
  position: absolute;
  left: -60px;
  bottom: -60px;
  width: 200px;
  height: 200px;
  border: 2px solid rgba(255,255,255,.14);
  transform: rotate(45deg);
  pointer-events: none;
}
.page-faq .guide-head {
  position: relative;
}
.page-faq .guide-head .faq-lead {
  color: rgba(255,255,255,.78);
}
.page-faq .guide-wrap {
  position: relative;
  display: grid;
  gap: 28px;
  margin-top: 28px;
}
.page-faq .guide-grid {
  display: grid;
  gap: 18px;
}
.page-faq .guide-card {
  background: var(--c-paper);
  color: var(--c-ink);
  padding: 24px;
  clip-path: var(--faq-clip);
}
.page-faq .guide-card__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: var(--c-black);
  color: var(--c-gold);
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  margin-bottom: 14px;
}
.page-faq .guide-card h3 {
  color: var(--c-green);
  margin: 0 0 12px;
  text-transform: uppercase;
  font-size: 19px;
}
.page-faq .guide-card ol {
  display: grid;
  gap: 6px;
  margin: 0;
  padding-left: 18px;
  font-size: 15px;
}
.page-faq .guide-figure {
  margin: 0;
  border: 2px solid var(--c-gold);
  padding: 8px;
  background: rgba(0,0,0,.22);
}
.page-faq .guide-figure__caption {
  display: block;
  text-align: center;
  padding-top: 10px;
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-gold);
}

/* 联系支持 */
.page-faq .contact-section {
  background: var(--c-paper);
  color: var(--c-ink);
  padding: 56px 0;
}
.page-faq .contact-section .faq-kicker {
  color: var(--c-green);
  border-color: var(--c-green);
}
.page-faq .contact-section .faq-lead {
  color: var(--c-gray);
}
.page-faq .contact-grid {
  display: grid;
  gap: 18px;
  margin-top: 30px;
}
.page-faq .contact-card {
  background: var(--c-white);
  border-top: 5px solid var(--c-green);
  padding: 24px;
  clip-path: var(--faq-clip);
}
.page-faq .contact-card h3 {
  color: var(--c-green);
  margin: 0 0 10px;
  text-transform: uppercase;
  font-size: 18px;
}
.page-faq .contact-card__value {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 600;
  color: var(--c-ink);
  word-break: break-word;
}
.page-faq .contact-card__note {
  margin-top: 8px;
  font-size: 14px;
  color: var(--c-gray);
}
.page-faq .contact-card--dark {
  background: var(--c-black);
  color: var(--c-white);
  border-top-color: var(--c-gold);
}
.page-faq .contact-card--dark h3 {
  color: var(--c-gold);
}
.page-faq .contact-card--dark .contact-card__value {
  color: var(--c-white);
}
.page-faq .contact-card--dark .contact-card__note {
  color: var(--c-gray-bright);
}
.page-faq .contact-section__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--c-line);
  color: var(--c-gray);
  font-size: 14px;
}
.page-faq .contact-section__legal a {
  color: var(--c-green);
  font-weight: 600;
}
.page-faq .contact-section__icp {
  margin-left: auto;
  color: var(--c-gray);
}

/* 响应式 */
@media (min-width: 600px) {
  .page-faq .faq-hero__quickwrap {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-faq .contact-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1fr) 360px;
  }
  .page-faq .faq-console {
    grid-template-columns: 230px minmax(0, 1fr);
    gap: 30px;
  }
  .page-faq .faq-console__cats {
    grid-column: 1;
    grid-row: 1 / span 3;
    flex-direction: column;
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
  }
  .page-faq .faq-console__cat {
    width: 100%;
    text-align: left;
  }
  .page-faq .faq-panel {
    grid-column: 2;
  }
  .page-faq .guide-wrap {
    grid-template-columns: minmax(0, 1.2fr) 360px;
    align-items: start;
  }
  .page-faq .guide-figure {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}