/* ===== 访问支持中心 /support/ ===== */
.page-faq {
  --faq-line: #C9D3D8;
  --faq-soft: #EDF2F4;
  --faq-radius: 22px;
  font-family: var(--font-body);
  color: var(--read);
  padding-bottom: clamp(40px, 7vw, 96px);
  background:
    linear-gradient(180deg, rgba(15, 181, 166, 0.07), rgba(15, 181, 166, 0) 340px),
    var(--paper);
}

/* --- 面包屑 --- */
.page-faq .crumbs {
  padding-top: clamp(18px, 3vw, 30px);
}
.page-faq .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--ghost);
}
.page-faq .crumbs a {
  color: var(--ghost);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}
.page-faq .crumbs a:hover {
  color: var(--aqua-deep);
  border-bottom-color: rgba(15, 181, 166, 0.5);
}

/* --- 首屏定位 --- */
.page-faq .faq-hero {
  display: grid;
  gap: 16px;
  max-width: 62em;
  padding: clamp(30px, 6vw, 62px) 0 clamp(24px, 4vw, 38px);
}
.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(27px, 4.4vw, 48px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 40em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--read);
}
.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 2px 0 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--ghost);
}
.page-faq .faq-hero__facts .num {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--aqua);
  margin-right: 6px;
}
.page-faq .faq-hero__note {
  margin: 4px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--aqua);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ghost);
}

/* --- 首屏横幅 --- */
.page-faq .faq-banner {
  margin: 0 0 clamp(26px, 5vw, 52px);
  border-radius: var(--r-block);
  overflow: hidden;
  border: 1px solid var(--mist);
  background: var(--ink);
}
.page-faq .faq-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

/* --- 区块通用 --- */
.page-faq .faq-block {
  padding: clamp(30px, 5.5vw, 64px) 0;
  border-top: 1px solid var(--faq-line);
}
.page-faq .faq-banner + .faq-block {
  border-top: 0;
}
.page-faq .section-head {
  margin-bottom: 22px;
}
.page-faq .section-head__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.005em;
  color: var(--ink);
}
.page-faq .section-head__meta {
  margin: 0;
  max-width: 48em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ghost);
}

/* --- 诊断表 --- */
.page-faq .faq-diag-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 18px;
  margin-bottom: 14px;
}
.page-faq .faq-diag-head .filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}
.page-faq .faq-count {
  margin: 0;
  font-size: 13px;
  color: var(--ghost);
}
.page-faq .faq-count .num {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--aqua);
}
.page-faq .faq-tablewrap {
  border: 1px solid var(--mist);
  border-radius: var(--faq-radius);
  background: var(--white);
  overflow: hidden;
}
.page-faq .faq-diag {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}
.page-faq .faq-diag thead th {
  text-align: left;
  padding: 14px 18px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ghost);
  background: var(--faq-soft);
  border-bottom: 1px solid var(--mist);
  white-space: nowrap;
}
.page-faq .faq-diag tbody td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--mist);
  vertical-align: top;
  line-height: 1.75;
  color: var(--read);
}
.page-faq .faq-diag tbody tr:last-child td {
  border-bottom: 0;
}
.page-faq .faq-diag tbody tr.is-pinned {
  background: rgba(255, 90, 43, 0.055);
}
.page-faq .faq-diag tbody tr.is-pinned td:first-child {
  box-shadow: inset 4px 0 0 var(--penalty);
}
.page-faq .faq-diag tbody tr:hover {
  background: rgba(15, 181, 166, 0.05);
}
.page-faq .faq-idx {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--aqua);
}
.page-faq .faq-diag tbody tr.is-pinned .faq-idx {
  color: var(--penalty);
}
.page-faq .faq-cell-title {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
}
.page-faq .faq-diag tbody td:last-child {
  font-weight: 500;
}

/* --- 过渡条 --- */
.page-faq .faq-bridge {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  margin: 0 0 clamp(20px, 4vw, 40px);
  padding: 18px 22px;
  border-radius: var(--r-card);
  background: var(--ink);
  color: var(--rail-text);
  font-size: 15px;
  line-height: 1.75;
}
.page-faq .faq-bridge__label {
  flex: 0 0 auto;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--cyan);
}
.page-faq .faq-bridge p {
  margin: 0;
  flex: 1 1 22em;
}

/* --- 处置分栏 --- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 40px);
  align-items: start;
}
.page-faq .faq-split__aside {
  display: grid;
  gap: 14px;
}
.page-faq .faq-aside-note {
  margin: 0;
  padding: 14px 16px;
  border-radius: var(--r-card);
  background: var(--faq-soft);
  font-size: 14px;
  line-height: 1.75;
  color: var(--read);
}

/* --- 步骤轨道 --- */
.page-faq .track {
  display: grid;
  gap: 12px;
}
.page-faq .step {
  border: 1px solid var(--mist);
  border-radius: var(--r-card);
  background: var(--white);
  overflow: hidden;
  transition: border-color 180ms var(--ease);
}
.page-faq .step[data-open="true"] {
  border-color: var(--aqua);
}
.page-faq .step__head {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 14px 18px;
  border: 0;
  background: none;
  font: inherit;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}
.page-faq .step__node {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: var(--r-pill);
  background: var(--ink);
  color: var(--cyan);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  transition: background 180ms var(--ease), color 180ms var(--ease);
}
.page-faq .step[data-open="true"] .step__node {
  background: var(--aqua);
  color: var(--white);
}
.page-faq .step__title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
}
.page-faq .step__hint {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ghost);
}
.page-faq .step__body {
  padding: 0 18px 18px 70px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--read);
}
.page-faq .step__body p {
  margin: 0 0 9px;
}
.page-faq .step__body p:last-child {
  margin-bottom: 0;
}
.page-faq .step__body ul {
  margin: 0 0 10px;
  padding-left: 1.15em;
}
.page-faq .step__body li {
  margin-bottom: 6px;
}
.page-faq .faq-expect,
.page-faq .faq-fail {
  padding-left: 11px;
  border-left: 2px solid currentColor;
  font-size: 14px;
}
.page-faq .faq-expect {
  color: var(--aqua-deep);
}
.page-faq .faq-fail {
  color: var(--penalty-deep);
}

/* --- 附栏图片 --- */
.page-faq .media--square {
  margin: 0;
  display: block;
  border-radius: var(--r-card);
  overflow: hidden;
  border: 1px solid var(--mist);
  background: var(--ink);
}
.page-faq .media--square img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}
.page-faq .media__cap {
  display: block;
  padding: 11px 14px;
  background: var(--white);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ghost);
}

/* --- iOS 阶梯 --- */
.page-faq .faq-ladder {
  display: grid;
  gap: 14px;
}
.page-faq .faq-ladder__item {
  width: 100%;
}
.page-faq .faq-ladder__item:nth-child(1) {
  box-shadow: inset 3px 0 0 var(--aqua);
}
.page-faq .faq-ladder__item:nth-child(2) {
  box-shadow: inset 3px 0 0 var(--amber);
}
.page-faq .faq-ladder__item:nth-child(3) {
  box-shadow: inset 3px 0 0 var(--penalty);
}
.page-faq .faq-ladder__tag {
  flex: 0 0 auto;
  padding: 5px 11px;
  border-radius: var(--r-pill);
  background: var(--faq-soft);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--read);
}

/* --- 联系通道 --- */
.page-faq .faq-channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}
.page-faq .faq-channel {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--mist);
  border-radius: var(--faq-radius);
  background: var(--white);
}
.page-faq .faq-channel h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 800;
  color: var(--ink);
}
.page-faq .faq-channel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--read);
}
.page-faq .faq-channel .faq-channel__label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ghost);
}
.page-faq .faq-ticks {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-ticks li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--read);
}
.page-faq .faq-ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--aqua);
}
.page-faq .faq-channel__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
  padding-top: 14px;
  border-top: 1px dashed var(--mist);
}
.page-faq .faq-mail,
.page-faq .faq-phone {
  flex: 1 1 12em;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  word-break: break-all;
}
.page-faq .faq-hours {
  margin: 20px 0 0;
  padding: 14px 18px;
  border-radius: var(--r-card);
  background: var(--faq-soft);
  font-size: 14px;
  line-height: 1.85;
  color: var(--read);
}
.page-faq .faq-hours a {
  color: var(--aqua-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(15, 181, 166, 0.45);
}

/* --- 自助工具 --- */
.page-faq .faq-tools {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}
.page-faq .faq-tool {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--mist);
  border-radius: var(--faq-radius);
  background: var(--white);
}
.page-faq .faq-tool h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  color: var(--ink);
}
.page-faq .faq-tool > p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ghost);
}
.page-faq .faq-check {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-check li {
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--mist);
}
.page-faq .faq-check label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--read);
  cursor: pointer;
}
.page-faq .faq-check input[type="checkbox"] {
  flex: 0 0 auto;
  width: 17px;
  height: 17px;
  margin-top: 3px;
  accent-color: var(--aqua);
}
.page-faq .faq-tool .btn {
  justify-self: start;
}

/* --- 提示语对照表 --- */
.page-faq .faq-gloss {
  display: grid;
  gap: 0;
}
.page-faq .faq-gloss__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--mist);
}
.page-faq .faq-gloss__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.page-faq .faq-gloss__quote {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--ink);
}
.page-faq .faq-gloss__mean {
  font-size: 14px;
  line-height: 1.7;
  color: var(--read);
}
.page-faq .faq-gloss__go {
  justify-self: start;
  font-size: 13px;
  font-weight: 700;
  color: var(--aqua-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(15, 181, 166, 0.45);
  padding-bottom: 2px;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}
.page-faq .faq-gloss__go:hover {
  color: var(--penalty);
  border-bottom-color: var(--penalty);
}

/* --- 收口区块 --- */
.page-faq .faq-block--closing {
  border-top: 0;
  padding-bottom: 0;
}
.page-faq .faq-closing {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 56px);
  border-radius: var(--r-block);
  background: var(--ink);
  color: var(--rail-text);
}
.page-faq .faq-closing::after {
  content: "";
  position: absolute;
  right: -130px;
  bottom: -170px;
  width: 440px;
  height: 440px;
  background: radial-gradient(circle, rgba(15, 181, 166, 0.4), rgba(15, 181, 166, 0) 70%);
  pointer-events: none;
}
.page-faq .faq-closing > * {
  position: relative;
  z-index: 1;
}
.page-faq .faq-closing .eyebrow {
  color: var(--cyan);
}
.page-faq .faq-closing h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.4vw, 34px);
  font-weight: 800;
  letter-spacing: -0.005em;
  color: var(--white);
}
.page-faq .faq-closing p {
  margin: 0 0 16px;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--rail-text);
}
.page-faq .faq-closing__list {
  display: grid;
  gap: 10px;
  max-width: 46em;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}
.page-faq .faq-closing__list li {
  display: flex;
  gap: 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--rail-text);
}
.page-faq .faq-closing__list .num {
  flex: 0 0 auto;
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--cyan);
}
.page-faq .faq-closing__warn {
  padding-left: 14px;
  border-left: 3px solid var(--penalty);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.84);
}
.page-faq .faq-closing__warn a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 227, 210, 0.5);
}
.page-faq .faq-closing .btn {
  margin-top: 6px;
}

/* --- 响应式 --- */
@media (max-width: 820px) {
  .page-faq .faq-tablewrap {
    border: 0;
    background: none;
    overflow: visible;
  }
  .page-faq .faq-diag,
  .page-faq .faq-diag tbody,
  .page-faq .faq-diag tr,
  .page-faq .faq-diag td {
    display: block;
    width: 100%;
  }
  .page-faq .faq-diag thead {
    display: none;
  }
  .page-faq .faq-diag tbody tr {
    margin-bottom: 14px;
    border: 1px solid var(--mist);
    border-radius: 18px;
    background: var(--white);
    overflow: hidden;
  }
  .page-faq .faq-diag tbody td {
    padding: 10px 18px;
    border-bottom: 0;
  }
  .page-faq .faq-diag tbody td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 4px;
    font-size: 11px;
    letter-spacing: 0.08em;
    color: var(--ghost);
  }
  .page-faq .faq-diag tbody tr.is-pinned {
    border-color: rgba(255, 90, 43, 0.55);
  }
  .page-faq .faq-diag tbody tr.is-pinned td:first-child {
    box-shadow: inset 3px 0 0 var(--penalty);
  }
  .page-faq .faq-diag tbody tr:hover {
    background: var(--white);
  }
}

@media (max-width: 560px) {
  .page-faq .step__head {
    flex-wrap: wrap;
    gap: 8px 12px;
  }
  .page-faq .step__hint {
    order: 3;
    flex: 1 1 100%;
    padding-left: 50px;
  }
  .page-faq .step__body {
    padding: 0 18px 18px;
  }
}

@media (min-width: 768px) {
  .page-faq .faq-ladder__item:nth-child(1) {
    width: 100%;
  }
  .page-faq .faq-ladder__item:nth-child(2) {
    width: 92%;
  }
  .page-faq .faq-ladder__item:nth-child(3) {
    width: 84%;
  }
  .page-faq .faq-gloss__row {
    grid-template-columns: minmax(0, 2fr) minmax(0, 3fr) auto;
    align-items: center;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-faq .faq-tools {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-tool--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .step,
  .page-faq .step__node,
  .page-faq .faq-gloss__go,
  .page-faq .crumbs a {
    transition: none;
  }
}