/* ================= 支持中心 / page-faq ================= */
.page-faq {
  --faq-gap: clamp(14px, 2.2vw, 24px);
  --faq-band: clamp(48px, 7vw, 92px);
  background: var(--paper);
  color: var(--text);
  display: block;
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  margin: 0 0 clamp(16px, 2.6vw, 28px);
  font-size: 13px;
  letter-spacing: .02em;
}
.page-faq .breadcrumb__item {
  color: rgba(201, 230, 242, .74);
  text-decoration: none;
}
.page-faq .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 6px;
  color: rgba(201, 230, 242, .38);
}
.page-faq .breadcrumb__item[aria-current="page"] { color: #ffffff; }
.page-faq .breadcrumb__item:hover { color: #ffffff; }

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3vw, 36px) 0 clamp(104px, 12vw, 166px);
  color: #EAF4FA;
  background:
    radial-gradient(120% 120% at 86% 4%, rgba(30, 134, 184, .55) 0%, rgba(6, 26, 43, 0) 62%),
    linear-gradient(158deg, #061A2B 0%, #0E3350 58%, #125C86 100%);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  left: -8%;
  right: -8%;
  top: 36%;
  bottom: -32%;
  background: repeating-linear-gradient(112deg, rgba(95, 184, 216, .14) 0 2px, transparent 2px 78px);
  transform: rotate(-5deg);
  pointer-events: none;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--teal-400), var(--live), transparent);
  opacity: .55;
}
.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 54px);
  grid-template-columns: 1fr;
}
@media (min-width: 960px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(280px, .8fr);
    align-items: end;
  }
}
.page-faq .faq-hero .eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--live);
}
.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  max-width: 15ch;
  font-size: clamp(2.1rem, 6vw, 4.3rem);
  line-height: 1.05;
  letter-spacing: -.02em;
  font-weight: 900;
  color: #ffffff;
}
.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: rgba(234, 244, 250, .82);
}

.page-faq .faq-hero__panel {
  display: grid;
  gap: 14px;
  padding: clamp(18px, 2.2vw, 24px);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  background: rgba(6, 26, 43, .48);
  box-shadow: var(--sh-2);
}
.page-faq .faq-hero__panel .status-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: max-content;
  padding: 7px 14px;
  border: 1px solid rgba(183, 242, 74, .38);
  border-radius: var(--pill);
  background: rgba(183, 242, 74, .1);
  color: #EAF4FA;
  font-size: 12.5px;
  font-weight: 600;
}
.page-faq .faq-hero__panel .status-chip__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--live);
  box-shadow: 0 0 0 4px rgba(183, 242, 74, .14);
}
.page-faq .hero-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-faq .hero-facts li {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--hairline);
  font-size: 13.5px;
  line-height: 1.6;
  color: rgba(234, 244, 250, .74);
}
.page-faq .hero-facts li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-faq .hero-facts b {
  color: #ffffff;
  font-weight: 600;
  text-align: right;
  word-break: break-word;
}
.page-faq .faq-hero__panel .btn { width: max-content; }

/* ---------- 快速入口 ---------- */
.page-faq .faq-quick {
  position: relative;
  z-index: 4;
  margin-top: clamp(-104px, -8vw, -54px);
}
.page-faq .faq-quick__grid {
  display: grid;
  gap: var(--faq-gap);
  grid-template-columns: 1fr;
}
@media (min-width: 600px) {
  .page-faq .faq-quick__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1080px) {
  .page-faq .faq-quick__grid { grid-template-columns: repeat(4, 1fr); }
}
.page-faq .quick-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--paper);
  box-shadow: var(--sh-1);
  color: var(--text);
  text-decoration: none;
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.page-faq .quick-card:hover,
.page-faq .quick-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--teal-600);
  box-shadow: var(--sh-2);
}
.page-faq .quick-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--mist);
  color: var(--teal-700);
  margin-bottom: 4px;
}
.page-faq .quick-card__idx {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--accent);
}
.page-faq .quick-card__title {
  font-size: 16.5px;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -.01em;
}
.page-faq .quick-card__note {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-2);
}

/* ---------- 通用分区与分区头 ---------- */
.page-faq .faq-section {
  padding: var(--faq-band) 0;
}
.page-faq .faq-section--soft {
  background: linear-gradient(180deg, rgba(201, 230, 242, .42), rgba(244, 250, 253, 0) 88%);
}
.page-faq .faq-section--dark {
  background: var(--ink-900);
  color: #E7F2F8;
}
.page-faq .faq-head {
  display: grid;
  gap: 10px;
  max-width: 780px;
  margin-bottom: clamp(22px, 3vw, 38px);
}
.page-faq .faq-head__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
}
.page-faq .faq-head__title {
  margin: 0;
  font-size: clamp(1.45rem, 3.1vw, 2.35rem);
  line-height: 1.2;
  letter-spacing: -.015em;
  font-weight: 900;
  color: var(--text);
}
.page-faq .faq-head__note {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-2);
}
.page-faq .faq-section--dark .faq-head__key { color: var(--live); }
.page-faq .faq-section--dark .faq-head__title { color: #ffffff; }
.page-faq .faq-section--dark .faq-head__note { color: rgba(201, 230, 242, .74); }

/* ---------- 支持路径 ---------- */
.page-faq .support-path {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}
.page-faq .support-path__link {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  height: 100%;
  padding: 18px 20px;
  border: 1px dashed var(--line-2);
  border-radius: var(--r-md);
  background: rgba(201, 230, 242, .3);
  color: inherit;
  text-decoration: none;
  transition: border-color .24s ease, background-color .24s ease, transform .24s ease;
}
.page-faq .support-path__link:hover,
.page-faq .support-path__link:focus-visible {
  border-color: var(--teal-600);
  background: rgba(201, 230, 242, .58);
  transform: translateY(-2px);
}
.page-faq .support-path__dot {
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-top: 4px;
  border: 3px solid var(--teal-600);
  border-radius: 50%;
  background: var(--paper);
}
.page-faq .support-path__body {
  display: grid;
  gap: 4px;
  min-width: 0;
}
.page-faq .support-path__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--accent);
}
.page-faq .support-path__title {
  font-size: 15.5px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--text);
}
.page-faq .support-path__note {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-2);
}
@media (min-width: 840px) {
  .page-faq .support-path {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
  }
  .page-faq .support-path::before {
    content: "";
    position: absolute;
    left: 6%;
    right: 6%;
    top: 25px;
    height: 2px;
    background: linear-gradient(90deg, var(--teal-400), var(--teal-600));
    opacity: .35;
  }
  .page-faq .support-path__link {
    flex-direction: column;
    gap: 12px;
    padding: 20px 22px;
    border-color: transparent;
    background: transparent;
    border-radius: var(--r-sm);
  }
  .page-faq .support-path__link:hover,
  .page-faq .support-path__link:focus-visible {
    background: rgba(201, 230, 242, .42);
    transform: translateY(-2px);
  }
  .page-faq .support-path__dot {
    margin-top: 0;
    background: var(--paper);
    box-shadow: 0 0 0 6px var(--paper);
  }
}

/* ---------- 平板端查询指南 ---------- */
.page-faq .guide-grid {
  display: grid;
  gap: clamp(20px, 3vw, 42px);
  grid-template-columns: 1fr;
}
@media (min-width: 940px) {
  .page-faq .guide-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }
}
.page-faq .guide-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-faq .guide-step {
  position: relative;
  padding: 18px 22px 20px clamp(56px, 8vw, 74px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--paper);
  transition: border-color .24s ease, box-shadow .24s ease;
}
.page-faq .guide-step:hover {
  border-color: var(--teal-400);
  box-shadow: var(--sh-1);
}
.page-faq .guide-step__num {
  position: absolute;
  left: clamp(16px, 2.6vw, 24px);
  top: 18px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--teal-600);
}
.page-faq .guide-step__title {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--text);
}
.page-faq .guide-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-2);
}

/* ---------- 媒体占位 ---------- */
.page-faq .media {
  margin: 0;
  display: grid;
  gap: 12px;
}
.page-faq .media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--mist);
}
.page-faq .media__caption {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-2);
  padding-left: 4px;
  border-left: 2px solid var(--teal-400);
  padding-left: 12px;
}

/* ---------- 筛选条 ---------- */
.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 14px clamp(14px, 2vw, 20px);
  margin-bottom: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--paper);
  box-shadow: var(--sh-1);
}
.page-faq .faq-filter__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-faq .faq-filter__chip {
  appearance: none;
  cursor: pointer;
  padding: 8px 16px;
  border: 1px solid var(--line-2);
  border-radius: var(--pill);
  background: transparent;
  color: var(--text-2);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease;
}
.page-faq .faq-filter__chip:hover,
.page-faq .faq-filter__chip:focus-visible {
  border-color: var(--teal-600);
  color: var(--teal-700);
}
.page-faq .faq-filter__chip[aria-pressed="true"] {
  background: var(--teal-700);
  border-color: var(--teal-700);
  color: #ffffff;
}
.page-faq .faq-filter__search {
  flex: 1 1 220px;
  min-width: 0;
  display: flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: var(--pill);
  background: var(--mist);
}
.page-faq .faq-filter__search input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 4px 0;
  border: 0;
  background: transparent;
  outline: none;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text);
}
.page-faq .faq-filter__search input::placeholder { color: var(--text-2); }

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  margin: 0 0 clamp(26px, 3.4vw, 40px);
}
.page-faq .faq-group:last-child { margin-bottom: 0; }
.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-group__id {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--accent);
}
.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--text);
}
.page-faq .faq-group__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-2);
}
.page-faq .faq-group__items {
  display: grid;
  gap: 12px;
}

/* ---------- 折叠问答条目 ---------- */
.page-faq .faq-item {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--paper);
  transition: border-color .22s ease, box-shadow .22s ease;
}
.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .24s ease;
}
.page-faq .faq-item[data-open] {
  border-color: rgba(255, 106, 26, .34);
  box-shadow: var(--sh-1);
}
.page-faq .faq-item[data-open]::before { transform: scaleY(1); }

.page-faq .fold__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin: 0;
  padding: 18px clamp(16px, 2.2vw, 24px);
  cursor: pointer;
  font-size: clamp(14.5px, 1.5vw, 16px);
  font-weight: 600;
  line-height: 1.65;
  color: var(--text);
  transition: background-color .2s ease;
}
.page-faq .fold__head:hover { background: rgba(201, 230, 242, .32); }
.page-faq .fold__index {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--teal-600);
}
.page-faq .fold__title {
  flex: 1 1 auto;
  min-width: 0;
}
.page-faq .fold__sign {
  position: relative;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  border: 1px solid var(--line-2);
  border-radius: 50%;
  transition: border-color .22s ease, background-color .22s ease;
}
.page-faq .fold__head:hover .fold__sign { border-color: var(--teal-600); }
.page-faq .fold__sign::before,
.page-faq .fold__sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--teal-700);
  transform: translate(-50%, -50%);
  transition: transform .22s ease, background-color .22s ease;
}
.page-faq .fold__sign::before { width: 9px; height: 1.6px; }
.page-faq .fold__sign::after { width: 1.6px; height: 9px; }
.page-faq .faq-item[data-open] .fold__sign {
  border-color: var(--accent);
  background: var(--accent);
}
.page-faq .faq-item[data-open] .fold__sign::before,
.page-faq .faq-item[data-open] .fold__sign::after { background: #ffffff; }
.page-faq .faq-item[data-open] .fold__sign::after { transform: translate(-50%, -50%) scaleY(0); }

.page-faq .fold__panel { display: none; }
.page-faq .faq-item[data-open] .fold__panel { display: block; }
.page-faq .fold__body {
  padding: 16px clamp(16px, 2.2vw, 24px) 22px clamp(16px, 6vw, 62px);
  border-top: 1px dashed var(--line);
}
.page-faq .fold__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-2);
}
.page-faq .fold__body strong {
  color: var(--text);
  font-weight: 700;
}

/* ---------- 同步机制 ---------- */
.page-faq .sync-grid {
  display: grid;
  gap: var(--faq-gap);
  grid-template-columns: 1fr;
}
@media (min-width: 800px) {
  .page-faq .sync-grid { grid-template-columns: repeat(3, 1fr); }
}
.page-faq .sync-card {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  background: linear-gradient(165deg, rgba(14, 51, 80, .9), rgba(6, 26, 43, .94));
}
.page-faq .sync-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 38%;
  height: 3px;
  background: linear-gradient(90deg, var(--teal-600), var(--live));
}
.page-faq .sync-card__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--teal-400);
}
.page-faq .sync-card__t {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -.01em;
  color: #ffffff;
}
.page-faq .sync-card__v {
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: #ffffff;
  font-variant-numeric: tabular-nums;
}
.page-faq .sync-card__v small {
  margin-left: 8px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--teal-400);
}
.page-faq .sync-card__p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(201, 230, 242, .76);
}

/* ---------- 联系支持 ---------- */
.page-faq .contact-grid {
  display: grid;
  gap: clamp(22px, 3vw, 42px);
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .page-faq .contact-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }
}
.page-faq .contact-list {
  list-style: none;
  margin: 0 0 clamp(20px, 3vw, 30px);
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-faq .contact-list li {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 14px;
  align-items: baseline;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}
.page-faq .contact-list__k {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--text-2);
}
.page-faq .contact-list__v {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
  word-break: break-word;
}
.page-faq .contact-list li:nth-child(1) .contact-list__v,
.page-faq .contact-list li:nth-child(2) .contact-list__v {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: .01em;
}
.page-faq .live-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--live);
  vertical-align: middle;
}

.page-faq .contact-tips {
  display: grid;
  gap: 12px;
  padding: clamp(20px, 2.6vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: rgba(201, 230, 242, .42);
}
.page-faq .contact-tips__title {
  margin: 0;
  font-size: 15.5px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--text);
}
.page-faq .contact-tips__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-faq .contact-tips__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-2);
}
.page-faq .contact-tips__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border: 2px solid var(--teal-600);
  border-radius: 50%;
}
.page-faq .contact-tips .btn { justify-self: start; }

/* ---------- 窄屏收紧 ---------- */
@media (max-width: 640px) {
  .page-faq .faq-hero__lead { font-size: 15px; }
  .page-faq .faq-hero__panel { border-radius: var(--r-md); }
  .page-faq .hero-facts li {
    flex-direction: column;
    gap: 4px;
  }
  .page-faq .hero-facts b { text-align: left; }
  .page-faq .faq-filter__search { flex-basis: 100%; }
  .page-faq .faq-group__count { margin-left: 0; }
  .page-faq .quick-card { border-radius: var(--r-md); }
  .page-faq .media img { border-radius: var(--r-md); }
  .page-faq .contact-list li { grid-template-columns: 1fr; gap: 6px; }
}
<<<END>>>