.page-faq {
  --faq-sec: clamp(46px, 6vw, 92px);
  --faq-cut: 22px;
  display: block;
  background: var(--mist);
  color: var(--text);
  overflow-x: clip;
}

.page-faq [id] {
  scroll-margin-top: calc(var(--header-h) + 20px);
}

/* ---------- 面包屑 ---------- */
.page-faq .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  letter-spacing: .04em;
}

.page-faq .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(255, 255, 255, .32);
}

.page-faq .crumbs a {
  color: rgba(255, 255, 255, .72);
  text-decoration: none;
  transition: color .2s var(--ease);
}

.page-faq .crumbs a:hover,
.page-faq .crumbs a:focus-visible {
  color: #fff;
}

.page-faq .crumbs [aria-current="page"] {
  color: var(--amber);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  padding: calc(var(--header-h) + clamp(24px, 4vw, 54px)) 0 clamp(46px, 6vw, 88px);
  background:
    radial-gradient(960px 420px at 84% 0%, rgba(47, 167, 154, .30), transparent 64%),
    radial-gradient(720px 380px at 6% 98%, rgba(228, 80, 42, .17), transparent 70%),
    linear-gradient(158deg, #0B1B26 0%, #102634 54%, #0B1B26 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    115deg,
    rgba(255, 255, 255, .045) 0 1px,
    transparent 1px 22px
  );
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 78%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 78%);
}

.page-faq .faq-hero .shell {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .eyebrow {
  margin-top: clamp(20px, 3vw, 34px);
  color: var(--amber);
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  max-width: 17ch;
  font-size: clamp(31px, 5.6vw, 66px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.02em;
}

.page-faq .faq-hero__lede {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  max-width: 56ch;
  font-size: clamp(15.5px, 1.8vw, 17px);
  line-height: 1.78;
  color: rgba(255, 255, 255, .86);
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__jump a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .26);
  background: rgba(255, 255, 255, .07);
  color: #fff;
  font-size: 14px;
  text-decoration: none;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-hero__jump a:hover,
.page-faq .faq-hero__jump a:focus-visible {
  background: rgba(255, 255, 255, .16);
  border-color: var(--amber);
}

/* ---------- 双色排查卡 ---------- */
.page-faq .faq-branch {
  background: var(--ink);
  color: #fff;
  padding: clamp(40px, 5.4vw, 82px) 0 clamp(30px, 4vw, 54px);
}

.page-faq .faq-branch__head {
  max-width: 620px;
}

.page-faq .faq-branch__head .eyebrow {
  color: var(--amber);
}

.page-faq .faq-branch__head h2 {
  margin: 10px 0 12px;
  font-size: clamp(25px, 3.6vw, 40px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -.02em;
}

.page-faq .faq-branch__head p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(255, 255, 255, .8);
}

.page-faq .faq-cards {
  display: grid;
  gap: 4px;
  margin-top: clamp(24px, 3.4vw, 42px);
  background: linear-gradient(100deg, var(--teal-soft) 0%, var(--amber) 50%, var(--orange) 100%);
}

.page-faq .faq-card {
  position: relative;
  padding: clamp(24px, 3.2vw, 40px);
  color: #fff;
  isolation: isolate;
}

.page-faq .faq-card--login {
  background: linear-gradient(155deg, #12857A 0%, #0E6E63 54%, #0A4E52 100%);
}

.page-faq .faq-card--channel {
  background: linear-gradient(155deg, #E4502A 0%, #C44124 52%, #5C1F33 100%);
}

.page-faq .faq-card__flag {
  display: inline-block;
  margin: 0 0 14px;
  padding: 5px 13px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .32);
  background: rgba(255, 255, 255, .08);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: rgba(255, 255, 255, .88);
}

.page-faq .faq-card h3 {
  margin: 0 0 10px;
  font-size: clamp(21px, 2.9vw, 30px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.02em;
}

.page-faq .faq-card__lede {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  max-width: 40ch;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(255, 255, 255, .87);
}

.page-faq .faq-steps {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps li {
  position: relative;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
}

.page-faq .faq-steps li:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 42px;
  bottom: -16px;
  border-left: 1px dashed rgba(255, 255, 255, .4);
}

.page-faq .faq-steps__num {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .44);
  background: rgba(255, 255, 255, .14);
  font-size: 13px;
  font-weight: 600;
  color: #fff;
}

.page-faq .faq-steps strong {
  display: block;
  margin-bottom: 4px;
  font-size: 15.5px;
  font-weight: 700;
}

.page-faq .faq-steps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(255, 255, 255, .86);
}

.page-faq .faq-card__handoff {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, .28);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .92);
}

.page-faq .faq-card__handoff span {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--amber);
  color: #22160A;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
}

/* ---------- 过渡配图 ---------- */
.page-faq .faq-visual {
  background: var(--ink);
  padding: clamp(22px, 3vw, 40px) 0 clamp(42px, 5.4vw, 76px);
}

.page-faq .faq-visual figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--r-m);
  box-shadow: var(--shadow-2);
}

.page-faq .faq-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.page-faq .faq-visual figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 10px 16px;
  border-top-right-radius: var(--r-s);
  background: rgba(11, 27, 38, .68);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: rgba(255, 255, 255, .9);
  font-size: 12.5px;
  letter-spacing: .06em;
}

/* ---------- 问答区 ---------- */
.page-faq .faq-qa {
  background: var(--mist);
  padding: var(--faq-sec) 0;
}

.page-faq .faq-qa__head {
  max-width: 620px;
  margin-bottom: clamp(28px, 4vw, 50px);
}

.page-faq .faq-qa__head .eyebrow {
  color: var(--orange);
}

.page-faq .faq-qa__head h2 {
  margin: 10px 0 12px;
  font-size: clamp(25px, 3.6vw, 40px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -.02em;
}

.page-faq .faq-qa__head p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: #45606B;
}

.page-faq .faq-groups {
  display: grid;
  gap: clamp(26px, 3.6vw, 44px);
}

.page-faq .faq-group {
  max-width: 900px;
  padding-left: clamp(15px, 2.2vw, 26px);
  border-left: 4px solid var(--teal);
}

.page-faq .faq-group--member {
  border-left-color: var(--amber);
}

.page-faq .faq-group--archive {
  border-left-color: var(--teal-soft);
}

.page-faq .faq-group--desktop {
  border-left-color: var(--orange);
  max-width: none;
}

.page-faq .faq-group__title {
  margin: 0 0 4px;
  font-size: clamp(19px, 2.4vw, 25px);
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-faq .faq-group__hint {
  margin: 0 0 10px;
  font-size: 13.5px;
  line-height: 1.6;
  color: #5D7A85;
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-item summary {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 52px;
  padding: 16px 40px 16px 0;
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item summary::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 50%;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--teal);
  border-bottom: 2px solid var(--teal);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .22s var(--ease);
}

.page-faq .faq-item[open] summary::after {
  transform: translateY(-25%) rotate(-135deg);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 4px;
  border-radius: 4px;
}

.page-faq .faq-item__body {
  max-width: 62ch;
  padding: 0 0 20px;
  font-size: 15px;
  line-height: 1.78;
  color: #3D5560;
}

.page-faq .faq-item__body p {
  margin: 0;
}

.page-faq .faq-item__body a {
  color: var(--teal);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* 桌面端分组旁的示意图 */
.page-faq .faq-group__split {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
  margin-top: 4px;
}

.page-faq .faq-group__shot {
  margin: 0;
  overflow: hidden;
  border-radius: var(--r-m);
  background: var(--ink);
  box-shadow: var(--shadow-1);
}

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

/* ---------- 反馈提交 ---------- */
.page-faq .faq-report {
  position: relative;
  overflow: hidden;
  color: #fff;
  padding: var(--faq-sec) 0;
  background:
    radial-gradient(760px 420px at 88% 14%, rgba(47, 167, 154, .26), transparent 66%),
    linear-gradient(152deg, #23306B 0%, #1B2756 46%, #0B1B26 100%);
}

.page-faq .faq-report__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

.page-faq .faq-report__intro .eyebrow {
  color: var(--amber);
}

.page-faq .faq-report__intro h2 {
  margin: 10px 0 14px;
  font-size: clamp(25px, 3.6vw, 40px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -.02em;
}

.page-faq .faq-report__intro p {
  margin: 0;
  max-width: 46ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(255, 255, 255, .84);
}

.page-faq .faq-report__sla {
  display: grid;
  gap: 10px;
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  padding: 18px 0 0;
  border-top: 1px solid rgba(255, 255, 255, .2);
  list-style: none;
}

.page-faq .faq-report__sla li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  align-items: baseline;
  font-size: 14.5px;
  color: rgba(255, 255, 255, .84);
}

.page-faq .faq-report__sla .mono {
  color: var(--amber);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .04em;
  white-space: nowrap;
}

.page-faq .faq-report__fields {
  padding: clamp(20px, 3vw, 34px);
  border-radius: var(--r-l);
  border: 1px solid rgba(255, 255, 255, .2);
  background: rgba(255, 255, 255, .08);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-2);
}

.page-faq .faq-report__fields ol {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-report__fields li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
}

.page-faq .faq-report__fields .mono {
  padding-top: 2px;
  color: var(--amber);
  font-size: 12.5px;
  letter-spacing: .08em;
}

.page-faq .faq-report__fields strong {
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
  font-weight: 700;
}

.page-faq .faq-report__fields p {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: rgba(255, 255, 255, .82);
}

/* ---------- 收尾色带 ---------- */
.page-faq .faq-cta {
  position: relative;
  background: var(--ink);
  color: #fff;
  padding: clamp(44px, 5.6vw, 82px) 0 clamp(38px, 4.6vw, 60px);
}

.page-faq .faq-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--teal-soft), var(--amber) 52%, var(--orange));
}

.page-faq .faq-cta__inner {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  align-items: end;
}

.page-faq .faq-cta__inner h2 {
  margin: 0 0 12px;
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -.02em;
}

.page-faq .faq-cta__inner p {
  margin: 0;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(255, 255, 255, .82);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-cta__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 34px;
  margin-top: clamp(26px, 3.4vw, 42px);
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, .16);
  font-size: 14.5px;
  color: rgba(255, 255, 255, .86);
}

.page-faq .faq-cta__meta p {
  margin: 0;
  overflow-wrap: anywhere;
}

.page-faq .faq-cta__meta .mono {
  margin-right: 8px;
  color: var(--amber);
  font-size: 12.5px;
  letter-spacing: .1em;
}

.page-faq .faq-cta__note {
  flex-basis: 100%;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .58);
}

/* ---------- 响应式 ---------- */
@media (min-width: 860px) {
  .page-faq .faq-cards {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-card--login {
    clip-path: polygon(0 var(--faq-cut), 100% 0, 100% 100%, 0 100%);
  }

  .page-faq .faq-card--channel {
    clip-path: polygon(0 0, 100% var(--faq-cut), 100% 100%, 0 100%);
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
  }

  .page-faq .faq-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-report__grid {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-faq .faq-group__split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }
}

@media (max-width: 619px) {
  .page-faq .faq-hero h1 {
    max-width: none;
  }

  .page-faq .faq-visual img {
    aspect-ratio: 4 / 3;
  }

  .page-faq .faq-hero__jump a {
    padding: 0 14px;
    font-size: 13.5px;
  }

  .page-faq .faq-card__handoff span {
    display: block;
    width: fit-content;
    margin-bottom: 6px;
  }

  .page-faq .faq-cta__actions .btn {
    flex: 1 1 100%;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item summary::after,
  .page-faq .crumbs a,
  .page-faq .faq-hero__jump a {
    transition: none;
  }
}