.page-faq {
  --faq-gap: clamp(16px, 2.2vw, 26px);
  --faq-pad: clamp(20px, 2.8vw, 34px);
  --faq-line: 3px solid var(--brown);
  background: var(--ink);
  color: var(--white);
  overflow-x: clip;
}

/* ---------- HERO ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: var(--frame) solid var(--brown);
  padding: clamp(32px, 5.2vw, 74px) 0 clamp(30px, 4.4vw, 58px);
  background:
    radial-gradient(115% 88% at 84% 6%, rgba(46, 155, 214, .22), transparent 62%),
    radial-gradient(100% 78% at 4% 100%, rgba(255, 106, 42, .18), transparent 58%),
    linear-gradient(180deg, var(--teal), var(--ink) 78%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(248, 250, 252, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(248, 250, 252, .05) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 86%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 86%);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 3.4vw, 46px);
}

.page-faq .faq-hero__text {
  min-width: 0;
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  font-size: 13px;
  color: var(--sand);
}

.page-faq .breadcrumb__link {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 155, 214, .45);
  transition: color .2s ease, border-color .2s ease;
}

.page-faq .breadcrumb__link:hover,
.page-faq .breadcrumb__link:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
}

.page-faq .breadcrumb__sep {
  color: rgba(248, 250, 252, .35);
}

.page-faq .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--data);
  margin: 0;
}

.page-faq .faq-hero__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(34px, 5.4vw, 64px);
  line-height: 1.08;
  letter-spacing: .01em;
  margin: 14px 0 0;
  color: var(--white);
}

.page-faq .faq-hero__lead {
  max-width: 62ch;
  margin: 20px 0 0;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.8;
  color: rgba(248, 250, 252, .82);
}

.page-faq .faq-hero__links {
  margin: 28px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-faq .faq-status {
  border: var(--faq-line);
  background: rgba(11, 59, 58, .94);
  box-shadow: 8px 8px 0 rgba(255, 106, 42, .82);
  padding: var(--faq-pad);
}

.page-faq .faq-status__cap {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--data);
}

.page-faq .faq-status__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 14px;
}

.page-faq .faq-status__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(32px, 3.6vw, 44px);
  line-height: 1;
  color: var(--orange);
}

.page-faq .faq-status__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(248, 250, 252, .7);
}

.page-faq .faq-status__note {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(248, 250, 252, .16);
  font-size: 13px;
  line-height: 1.75;
  color: rgba(248, 250, 252, .62);
}

/* ---------- 01 快速诊断 ---------- */
.page-faq .faq-triage-wrap {
  border-bottom: 1px solid rgba(248, 250, 252, .08);
}

.page-faq .faq-triage {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(24px, 3.2vw, 36px);
}

.page-faq .faq-tile {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--faq-pad);
  border: var(--faq-line);
  background: linear-gradient(158deg, rgba(11, 59, 58, .96), rgba(6, 24, 38, .98));
  color: var(--white);
  text-decoration: none;
  transition: transform .24s ease, border-color .24s ease, box-shadow .24s ease;
}

.page-faq .faq-tile:hover,
.page-faq .faq-tile:focus-visible {
  transform: translate(-3px, -3px);
  border-color: var(--orange);
  box-shadow: 6px 6px 0 rgba(255, 106, 42, .55);
}

.page-faq .faq-tile__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--data);
}

.page-faq .faq-tile__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(21px, 2.2vw, 26px);
  line-height: 1.2;
}

.page-faq .faq-tile__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(248, 250, 252, .74);
}

.page-faq .faq-tile__cta {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid rgba(248, 250, 252, .14);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
}

.page-faq .faq-figure {
  position: relative;
  margin: clamp(26px, 3.4vw, 42px) 0 0;
  border: var(--faq-line);
  background: var(--brown);
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-faq .faq-figure__cap {
  margin: 0;
  padding: 14px clamp(16px, 2vw, 22px);
  border-top: 1px solid rgba(248, 250, 252, .12);
  background: rgba(28, 21, 17, .94);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: rgba(248, 250, 252, .68);
}

.page-faq .faq-figure--small {
  border-color: var(--teal);
}

/* ---------- 通用区块 ---------- */
.page-faq .faq-block {
  position: relative;
  border-bottom: 1px solid rgba(248, 250, 252, .08);
}

.page-faq .faq-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: clamp(64px, 12vw, 168px);
  height: 6px;
  background: var(--orange);
}

.page-faq .faq-block__lead {
  max-width: 68ch;
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  font-size: 17px;
  line-height: 1.8;
  color: rgba(248, 250, 252, .82);
}

/* ---------- 02 折叠步骤 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 3vw, 34px);
  max-width: 960px;
}

.page-faq .faq-step {
  border: var(--faq-line);
  border-left-width: 10px;
  border-left-color: var(--orange);
  background: rgba(11, 59, 58, .55);
  transition: border-left-color .22s ease, background-color .22s ease;
}

.page-faq .faq-step[open] {
  border-left-color: var(--data);
  background: rgba(11, 59, 58, .92);
}

.page-faq .faq-step__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: clamp(15px, 2vw, 22px) clamp(16px, 2.2vw, 26px);
  cursor: pointer;
  list-style: none;
}

.page-faq .faq-step__head::-webkit-details-marker {
  display: none;
}

.page-faq .faq-step__head::marker {
  content: "";
}

.page-faq .faq-step__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--orange);
  border: 1px solid rgba(255, 106, 42, .55);
  padding: 3px 8px;
}

.page-faq .faq-step[open] .faq-step__num {
  color: var(--data);
  border-color: rgba(56, 224, 200, .6);
}

.page-faq .faq-step__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(18px, 2vw, 23px);
  color: var(--white);
}

.page-faq .faq-step__mark {
  position: relative;
  width: 18px;
  height: 18px;
}

.page-faq .faq-step__mark::before,
.page-faq .faq-step__mark::after {
  content: "";
  position: absolute;
  background: var(--orange);
  transition: transform .24s ease, background-color .24s ease;
}

.page-faq .faq-step__mark::before {
  left: 0;
  top: 8px;
  width: 18px;
  height: 2px;
}

.page-faq .faq-step__mark::after {
  left: 8px;
  top: 0;
  width: 2px;
  height: 18px;
}

.page-faq .faq-step[open] .faq-step__mark::before {
  background: var(--data);
}

.page-faq .faq-step[open] .faq-step__mark::after {
  transform: scaleY(0);
}

.page-faq .faq-step__body {
  padding: 0 clamp(16px, 2.2vw, 26px) clamp(18px, 2.2vw, 26px);
  font-size: 16px;
  line-height: 1.8;
  color: rgba(248, 250, 252, .8);
}

.page-faq .faq-step__body p {
  margin: 0 0 12px;
}

.page-faq .faq-step__body p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-step__body ul {
  margin: 0;
  padding-left: 1.15em;
}

.page-faq .faq-step__body li {
  margin-bottom: 8px;
}

.page-faq .faq-step__body li:last-child {
  margin-bottom: 0;
}

/* ---------- 03 小屏标签页 ---------- */
.page-faq .faq-block--small {
  background: linear-gradient(180deg, rgba(11, 59, 58, .42), transparent 72%);
}

.page-faq .faq-tabs {
  margin-top: clamp(22px, 3vw, 32px);
}

.page-faq .faq-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 2px solid rgba(248, 250, 252, .14);
}

.page-faq .faq-tabs__tab {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .04em;
  padding: 9px 18px;
  border: 2px solid rgba(248, 250, 252, .2);
  background: transparent;
  color: rgba(248, 250, 252, .78);
  cursor: pointer;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease;
}

.page-faq .faq-tabs__tab:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.page-faq .faq-tabs__tab[aria-selected="true"] {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--brown);
  font-weight: 700;
}

.page-faq .faq-tabs__panel {
  padding: clamp(20px, 2.6vw, 30px) 0 0;
}

.page-faq .faq-check {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-check__item {
  position: relative;
  padding: 15px 16px 15px 36px;
  border: 2px solid rgba(248, 250, 252, .16);
  background: rgba(6, 24, 38, .66);
  font-size: 15px;
  line-height: 1.7;
  color: rgba(248, 250, 252, .84);
}

.page-faq .faq-check__item::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 22px;
  width: 8px;
  height: 8px;
  background: var(--data);
}

/* ---------- 04 同步时间线 ---------- */
.page-faq .faq-clock {
  list-style: none;
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 0;
  border-top: 2px solid rgba(248, 250, 252, .14);
}

.page-faq .faq-clock__item {
  display: grid;
  grid-template-columns: minmax(84px, 108px) minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: clamp(16px, 2vw, 22px) 0;
  border-bottom: 1px solid rgba(248, 250, 252, .12);
}

.page-faq .faq-clock__num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 28px);
  color: var(--lake);
  letter-spacing: -.01em;
}

.page-faq .faq-clock__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(248, 250, 252, .78);
}

.page-faq .faq-sync-note {
  margin-top: clamp(24px, 3vw, 34px);
  padding: var(--faq-pad);
  border: var(--faq-line);
  border-left-width: 10px;
  border-left-color: var(--sand);
  background: rgba(6, 24, 38, .78);
}

.page-faq .faq-sync-note__title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(19px, 2vw, 23px);
  color: var(--white);
}

.page-faq .faq-sync-note__list {
  margin: 0;
  padding-left: 1.1em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(248, 250, 252, .8);
}

.page-faq .faq-sync-note__list li {
  margin-bottom: 8px;
}

.page-faq .faq-sync-note__list li:last-child {
  margin-bottom: 0;
}

/* ---------- 05 奶油纸兼容区 ---------- */
.page-faq .faq-block--paper {
  background: var(--cream);
  color: var(--brown);
}

.page-faq .faq-block--paper::before {
  background: var(--teal);
}

.page-faq .faq-block--paper .band__title {
  color: var(--brown);
}

.page-faq .faq-block--paper .band__num {
  color: var(--orange);
}

.page-faq .faq-block--paper .band__meta {
  color: rgba(28, 21, 17, .58);
}

.page-faq .faq-block--paper .faq-block__lead {
  color: rgba(28, 21, 17, .82);
}

.page-faq .faq-matrix {
  list-style: none;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-matrix__cell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 6px 12px;
  padding: 14px 16px;
  border: 2px solid var(--brown);
  background: rgba(248, 250, 252, .52);
}

.page-faq .faq-matrix__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  color: var(--brown);
}

.page-faq .faq-matrix__core {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(28, 21, 17, .6);
}

.page-faq .faq-matrix__tag {
  grid-column: 1 / -1;
  padding-top: 8px;
  border-top: 1px dashed rgba(28, 21, 17, .3);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--teal);
}

.page-faq .faq-net {
  margin-top: clamp(24px, 3vw, 34px);
  padding-top: clamp(20px, 2.4vw, 28px);
  border-top: 2px solid rgba(28, 21, 17, .22);
}

.page-faq .faq-net__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(19px, 2vw, 23px);
  color: var(--brown);
}

.page-faq .faq-net__list {
  margin: 0;
  padding-left: 1.1em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(28, 21, 17, .82);
}

.page-faq .faq-net__list li {
  margin-bottom: 8px;
}

.page-faq .faq-net__list li:last-child {
  margin-bottom: 0;
}

/* ---------- 06 反馈准备 ---------- */
.page-faq .faq-block--contact {
  background: linear-gradient(180deg, rgba(11, 59, 58, .45), transparent 70%);
}

.page-faq .faq-prep {
  margin-top: clamp(24px, 3vw, 34px);
  padding: var(--faq-pad);
  border: var(--faq-line);
  background: rgba(11, 59, 58, .7);
}

.page-faq .faq-prep__title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--sand);
}

.page-faq .faq-prep__list {
  list-style: none;
  counter-reset: prep;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-prep__list li {
  counter-increment: prep;
  position: relative;
  padding-left: 48px;
  font-size: 16px;
  line-height: 1.72;
  color: var(--white);
}

.page-faq .faq-prep__list li::before {
  content: "0" counter(prep);
  position: absolute;
  left: 0;
  top: 2px;
  padding: 1px 6px;
  border: 1px solid rgba(255, 106, 42, .6);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
}

.page-faq .faq-paths {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(22px, 3vw, 30px);
}

.page-faq .faq-path {
  padding: 20px 22px;
  border: 2px solid rgba(248, 250, 252, .2);
  border-top: 6px solid var(--orange);
  background: rgba(6, 24, 38, .74);
}

.page-faq .faq-path__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 20px;
  color: var(--white);
}

.page-faq .faq-path__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(248, 250, 252, .74);
  word-break: break-word;
}

.page-faq .faq-contact-line {
  margin: clamp(22px, 3vw, 30px) 0 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(248, 250, 252, .8);
}

.page-faq .faq-contact-cta {
  margin: 24px 0 0;
}

/* ---------- 收尾链接 ---------- */
.page-faq .faq-more {
  padding: clamp(38px, 5vw, 72px) 0 clamp(46px, 5.5vw, 82px);
}

.page-faq .faq-more__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(24px, 2.8vw, 32px);
  color: var(--white);
}

.page-faq .faq-more__list {
  list-style: none;
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-more__list li {
  padding: 6px 0 6px 16px;
  border-left: 4px solid var(--orange);
  font-size: 15px;
  line-height: 1.75;
  color: rgba(248, 250, 252, .78);
}

.page-faq .faq-more__list a {
  color: var(--white);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
}

.page-faq .faq-more__list a:hover,
.page-faq .faq-more__list a:focus-visible {
  color: var(--orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-matrix {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 700px) {
  .page-faq .faq-triage {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-check {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-faq .faq-paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-more__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.32fr) minmax(280px, .82fr);
    align-items: end;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-matrix {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-triage {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tile,
  .page-faq .faq-step,
  .page-faq .faq-tabs__tab,
  .page-faq .faq-step__mark::before,
  .page-faq .faq-step__mark::after {
    transition: none;
  }

  .page-faq .faq-tile:hover,
  .page-faq .faq-tile:focus-visible {
    transform: none;
  }
}