.page-faq {
  --faq-line: 1px solid var(--line-600);
  --faq-gap: clamp(16px, 2.4vw, 28px);
  --faq-block: clamp(40px, 7vw, 88px);
  --faq-soft: rgba(198, 205, 212, .1);
  background: var(--ink-900);
  color: var(--paper-50);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: clip;
}

.page-faq .faq-crumb-sep {
  color: var(--line-600);
}

.page-faq .crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: .5em;
  align-items: baseline;
  padding-top: clamp(88px, 12vw, 116px);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--silver-300);
}

.page-faq .crumbs a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--d-1) var(--ease);
}

.page-faq .crumbs a:hover {
  border-bottom-color: var(--cyan-400);
}

.page-faq .crumbs [aria-current="page"] {
  color: var(--paper-50);
}

/* ---------- 首屏分屏 ---------- */

.page-faq .faq-hero {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
  padding-block: clamp(24px, 4vw, 48px) clamp(28px, 5vw, 60px);
}

.page-faq .faq-hero-copy > .tag {
  display: inline-block;
  margin-bottom: 1rem;
}

.page-faq .faq-hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.02em;
  max-width: 20ch;
  text-align: left;
}

.page-faq .faq-hero .lede {
  margin: 0 0 clamp(20px, 3vw, 32px);
  max-width: 48ch;
  font-size: clamp(.95rem, 1.1vw + .6rem, 1.05rem);
  line-height: 1.75;
  color: var(--silver-300);
}

.page-faq .faq-index {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 42ch;
  border-top: var(--faq-line);
}

.page-faq .faq-index li {
  border-bottom: var(--faq-line);
}

.page-faq .faq-index a {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  padding: .7rem 0;
  font-size: .92rem;
  color: var(--paper-50);
  text-decoration: none;
  transition: color var(--d-1) var(--ease), padding-left var(--d-1) var(--ease);
}

.page-faq .faq-index a .num {
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--cyan-400);
}

.page-faq .faq-index a:hover {
  color: var(--cyan-400);
  padding-left: .45rem;
}

.page-faq .faq-hero-visual {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.page-faq .faq-slab {
  position: relative;
  width: min(100%, 320px);
  padding: 1.1rem 1rem 1.4rem;
  border: 1px solid var(--line-600);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(12, 33, 54, .95), rgba(6, 23, 19, .96));
  box-shadow: 0 24px 60px rgba(0, 0, 0, .45);
  overflow: hidden;
}

.page-faq .faq-slab::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(198, 205, 212, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(198, 205, 212, .08) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.page-faq .faq-slab-top {
  position: relative;
  display: flex;
  align-items: center;
  gap: .5rem;
  padding-bottom: .8rem;
  border-bottom: var(--faq-line);
}

.page-faq .faq-slab-dot {
  width: .5rem;
  height: .5rem;
  border-radius: 2px;
  background: var(--cyan-400);
}

.page-faq .faq-slab-title {
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--silver-300);
}

.page-faq .faq-slab-no {
  margin-left: auto;
  font-size: 1.1rem;
  color: var(--cyan-400);
}

.page-faq .faq-slab-rows {
  position: relative;
  display: grid;
  gap: .55rem;
  padding-top: .9rem;
}

.page-faq .faq-slab-row {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .55rem .6rem;
  border: 1px solid var(--line-600);
  border-radius: var(--r-sm);
  background: rgba(243, 240, 231, .04);
}

.page-faq .faq-slab-row .num {
  font-size: .72rem;
  color: var(--silver-300);
}

.page-faq .faq-slab-row i {
  flex: 1;
  height: .45rem;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(198, 205, 212, .35), transparent);
}

.page-faq .faq-slab-row--hot {
  border-color: var(--amber-500);
  background: rgba(255, 138, 61, .1);
}

.page-faq .faq-slab-row--hot i {
  background: linear-gradient(90deg, var(--amber-500), transparent);
}

.page-faq .faq-slab-axis {
  position: relative;
  display: flex;
  justify-content: space-between;
  padding-top: 1rem;
}

.page-faq .faq-slab-axis i {
  width: 1px;
  height: .6rem;
  background: var(--line-600);
}

.page-faq .faq-slab-axis i:first-child {
  background: var(--cyan-400);
}

/* ---------- 章节骨架 ---------- */

.page-faq .faq-chapter {
  position: relative;
  padding-block: 0 var(--faq-block);
}

.page-faq .faq-chapter .chapter-head {
  max-width: 64ch;
}

.page-faq .faq-chapter .chapter-index {
  font-size: .76rem;
  letter-spacing: .16em;
  color: var(--cyan-400);
}

.page-faq .faq-chapter h2 {
  margin: .45rem 0 .7rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2.2rem);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.012em;
  max-width: 26ch;
  text-align: left;
}

.page-faq .faq-sub {
  margin: 0 0 clamp(20px, 3vw, 36px);
  max-width: 58ch;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--silver-300);
}

/* ---------- 步骤 ---------- */

.page-faq .faq-split {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-step {
  position: relative;
  padding: clamp(18px, 2.5vw, 26px) 0 clamp(18px, 2.5vw, 26px) 1.2rem;
  border-top: var(--faq-line);
}

.page-faq .faq-step:last-child {
  border-bottom: var(--faq-line);
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: calc(clamp(18px, 2.5vw, 26px) + .4rem);
  width: 3px;
  height: 1.4rem;
  background: var(--cyan-400);
}

.page-faq .faq-step-no {
  display: inline-block;
  margin-bottom: .35rem;
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--cyan-400);
}

.page-faq .faq-step h3 {
  margin: 0 0 .45rem;
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.38;
  text-align: left;
}

.page-faq .faq-step p {
  margin: 0;
  max-width: 52ch;
  font-size: .94rem;
  line-height: 1.72;
  color: var(--silver-300);
}

.page-faq .faq-shot {
  margin: 0;
  padding: .6rem;
  border: 1px solid var(--line-600);
  border-radius: var(--r-md);
  background: var(--night-800);
  transition: transform var(--d-2) var(--ease), border-color var(--d-2) var(--ease);
}

.page-faq .faq-shot:hover {
  transform: scale(1.015);
  border-color: rgba(56, 242, 214, .5);
}

.page-faq .faq-shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--r-sm);
}

.page-faq .faq-shot figcaption {
  padding: .7rem .3rem .25rem;
  font-size: .8rem;
  line-height: 1.62;
  color: var(--silver-300);
}

/* ---------- 定位方式 ---------- */

.page-faq .faq-locate {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-locate-card {
  padding: clamp(20px, 2.6vw, 28px);
  border: 1px solid var(--line-600);
  border-radius: var(--r-md) 0 var(--r-md) var(--r-md);
  background: var(--night-800);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.page-faq .faq-locate-card h3 {
  margin: 0 0 .55rem;
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.36;
  text-align: left;
}

.page-faq .faq-locate-card p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.72;
  color: var(--silver-300);
}

.page-faq .faq-locate-card--team {
  background: var(--paper-50);
  color: var(--ink-900);
  border-color: var(--paper-200);
}

.page-faq .faq-locate-card--team p {
  color: rgba(6, 23, 19, .76);
}

.page-faq .faq-locate-key {
  display: inline-block;
  margin-bottom: .8rem;
  padding: .22rem .55rem;
  border: 1px solid currentColor;
  border-radius: var(--r-sm);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--cyan-400);
}

.page-faq .faq-locate-card--team .faq-locate-key {
  color: var(--grass-500);
}

.page-faq .faq-meta {
  margin-top: .85rem !important;
  padding-top: .7rem;
  border-top: 1px dashed var(--line-600);
  font-size: .8rem !important;
}

.page-faq .faq-locate-card--team .faq-meta {
  border-top-color: rgba(6, 23, 19, .2);
}

.page-faq .faq-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
  margin-top: clamp(20px, 3vw, 32px);
  padding: clamp(16px, 2.4vw, 22px);
  border: 1px solid var(--line-600);
  border-left: 3px solid var(--cyan-400);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: linear-gradient(90deg, rgba(56, 242, 214, .07), transparent 62%);
}

.page-faq .faq-flow-node {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .42rem .72rem;
  border: 1px solid var(--line-600);
  border-radius: var(--r-sm);
  background: rgba(6, 23, 19, .62);
  font-size: .84rem;
  color: var(--paper-50);
}

.page-faq .faq-flow-node .num {
  font-size: .72rem;
  color: var(--cyan-400);
}

.page-faq .faq-flow-arrow {
  position: relative;
  width: 1.1rem;
  height: 1px;
  background: var(--line-600);
}

.page-faq .faq-flow-arrow::after {
  content: "";
  position: absolute;
  right: 0;
  top: -2.5px;
  border: 3px solid transparent;
  border-left-color: var(--line-600);
}

.page-faq .faq-sort {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  padding-left: 1rem;
  border-left: 2px solid var(--amber-500);
  max-width: 64ch;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--silver-300);
}

/* ---------- 阵容表 ---------- */

.page-faq .faq-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line-600);
  border-radius: var(--r-md);
  background: var(--night-800);
}

.page-faq .faq-table {
  width: 100%;
  min-width: 34rem;
  border-collapse: collapse;
}

.page-faq .faq-table caption {
  padding: .9rem 1rem;
  border-bottom: var(--faq-line);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--silver-300);
  text-align: left;
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: .8rem 1rem;
  border-bottom: var(--faq-line);
  font-size: .89rem;
  line-height: 1.62;
  text-align: left;
  vertical-align: top;
}

.page-faq .faq-table thead th {
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--silver-300);
}

.page-faq .faq-table tbody th {
  color: var(--cyan-400);
}

.page-faq .faq-table tbody td {
  color: var(--paper-50);
}

.page-faq .faq-table tbody tr:last-child th,
.page-faq .faq-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .faq-table tbody tr:hover td {
  background: rgba(56, 242, 214, .06);
}

/* ---------- 折叠问答 ---------- */

.page-faq .faq-qa {
  border-top: var(--faq-line);
}

.page-faq .faq-qa--tight {
  margin-top: clamp(20px, 3vw, 32px);
}

.page-faq .faq-q {
  border-bottom: var(--faq-line);
}

.page-faq .faq-q summary {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: .7rem;
  padding: clamp(14px, 2vw, 20px) 2.2rem clamp(14px, 2vw, 20px) 0;
  list-style: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper-50);
  transition: color var(--d-1) var(--ease);
}

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

.page-faq .faq-q summary::before {
  content: "问";
  flex: none;
  padding: .1rem .32rem;
  border: 1px solid var(--cyan-400);
  border-radius: var(--r-sm);
  font-family: var(--font-num);
  font-size: .68rem;
  color: var(--cyan-400);
}

.page-faq .faq-q summary::after {
  content: "+";
  position: absolute;
  right: .2rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-num);
  font-size: 1.15rem;
  color: var(--silver-300);
  transition: color var(--d-1) var(--ease);
}

.page-faq .faq-q[open] summary::after {
  content: "–";
  color: var(--cyan-400);
}

.page-faq .faq-q summary:hover {
  color: var(--cyan-400);
}

.page-faq .faq-q p {
  margin: 0;
  padding: 0 2.2rem clamp(16px, 2.2vw, 22px) 2.1rem;
  max-width: 70ch;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--silver-300);
}

/* ---------- 横向提示带 ---------- */

.page-faq .faq-band {
  margin-block: 0 var(--faq-block);
  background: var(--night-800);
  border-block: 1px solid var(--line-600);
}

.page-faq .faq-band-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(12px, 2vw, 24px);
  padding-block: clamp(20px, 3vw, 30px);
}

.page-faq .faq-band-inner p {
  margin: 0;
  max-width: 64ch;
  font-size: .95rem;
  line-height: 1.76;
  color: var(--paper-50);
}

/* ---------- 口径标注 ---------- */

.page-faq .faq-caliber {
  display: grid;
  gap: 1px;
  margin-bottom: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line-600);
  border-radius: var(--r-md);
  background: var(--line-600);
  overflow: hidden;
}

.page-faq .faq-caliber-part {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  padding: clamp(16px, 2.2vw, 22px);
  background: var(--night-800);
  font-size: .8rem;
  line-height: 1.6;
  color: var(--silver-300);
}

.page-faq .faq-caliber-part b {
  font-size: .95rem;
  font-weight: 700;
  color: var(--paper-50);
}

.page-faq .faq-caliber-part b.num {
  color: var(--cyan-400);
}

.page-faq .faq-foot-note {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: clamp(14px, 2vw, 18px) clamp(16px, 2.2vw, 20px);
  border: 1px dashed var(--line-600);
  border-radius: var(--r-sm);
  max-width: 70ch;
  font-size: .84rem;
  line-height: 1.72;
  color: var(--silver-300);
}

/* ---------- 纠错与联系 ---------- */

.page-faq .faq-correct {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--faq-line);
}

.page-faq .faq-checklist li {
  position: relative;
  padding: .9rem 0 .9rem 2rem;
  border-bottom: var(--faq-line);
  font-size: .94rem;
  line-height: 1.7;
  color: var(--paper-50);
}

.page-faq .faq-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.2rem;
  width: .78rem;
  height: .78rem;
  border: 1.5px solid var(--cyan-400);
  clip-path: polygon(0 0, 100% 0, 100% 76%, 76% 100%, 0 100%);
}

.page-faq .faq-contact-card {
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--paper-50);
  color: var(--ink-900);
  border-radius: var(--r-md) 0 var(--r-md) var(--r-md);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-faq .faq-contact-k {
  margin: 0 0 .18rem;
  font-size: .7rem;
  letter-spacing: .14em;
  color: rgba(6, 23, 19, .55);
}

.page-faq .faq-contact-v {
  margin: 0 0 .95rem;
  font-size: .95rem;
  font-weight: 700;
  line-height: 1.6;
  word-break: break-all;
}

.page-faq .faq-contact-note {
  margin: .4rem 0 0;
  padding-top: .85rem;
  border-top: 1px solid rgba(6, 23, 19, .16);
  font-size: .8rem;
  line-height: 1.68;
  color: rgba(6, 23, 19, .72);
}

.page-faq .faq-links {
  margin: clamp(24px, 3.5vw, 40px) 0 0;
  padding-top: clamp(16px, 2.4vw, 22px);
  border-top: var(--faq-line);
  font-size: .88rem;
  line-height: 1.85;
  color: var(--silver-300);
}

.page-faq .faq-links a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 214, .4);
  transition: border-color var(--d-1) var(--ease);
}

.page-faq .faq-links a:hover {
  border-bottom-color: var(--cyan-400);
}

/* ---------- 响应式 ---------- */

@media (min-width: 768px) {
  .page-faq .faq-locate {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 20rem);
    align-items: start;
    gap: clamp(24px, 3.5vw, 48px);
  }

  .page-faq .faq-split--wide {
    grid-template-columns: minmax(0, 1fr) minmax(0, 28rem);
  }

  .page-faq .faq-correct {
    grid-template-columns: minmax(0, 1fr) minmax(0, 22rem);
    align-items: start;
    gap: clamp(24px, 3.5vw, 48px);
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    column-gap: clamp(28px, 4vw, 56px);
  }

  .page-faq .faq-hero-visual {
    justify-content: flex-end;
    padding-top: clamp(8px, 1.5vw, 24px);
  }
}

@media (max-width: 479px) {
  .page-faq .faq-hero h1 {
    font-size: clamp(1.95rem, 8vw, 2.4rem);
  }

  .page-faq .faq-flow-arrow {
    display: none;
  }

  .page-faq .faq-index a {
    font-size: .88rem;
  }
}