.page-faq{
  --faq-line: rgba(245, 236, 221, 0.14);
  --faq-dim: rgba(245, 236, 221, 0.7);
  background: var(--night);
  color: var(--paper);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  position: relative;
  padding: clamp(20px, 4vw, 38px) 0 clamp(32px, 5vw, 56px);
  background:
    radial-gradient(900px 380px at 92% -12%, rgba(20, 125, 130, 0.42), transparent 64%),
    radial-gradient(640px 300px at 0% 6%, rgba(242, 107, 58, 0.16), transparent 62%),
    linear-gradient(180deg, var(--night) 0%, var(--bay) 100%);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-hero .breadcrumb{
  margin-bottom: clamp(16px, 3vw, 26px);
}

.page-faq .faq-hero__grid{
  display: grid;
  gap: clamp(22px, 4vw, 40px);
}

.page-faq h1{
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(29px, 6vw, 54px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
  max-width: 14em;
}

.page-faq .faq-hero__lead{
  margin: clamp(14px, 2vw, 18px) 0 0;
  max-width: 36em;
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.8;
  color: var(--faq-dim);
}

.page-faq .faq-jump{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-faq .faq-jump__label{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--mist);
  margin-right: 4px;
}

.page-faq .faq-jump__link{
  display: inline-block;
  padding: 7px 13px;
  border: 1px solid var(--faq-line);
  border-radius: 999px;
  background: var(--glass);
  color: var(--paper);
  font-size: 13.5px;
  text-decoration: none;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible{
  border-color: var(--mist);
  background: rgba(20, 125, 130, 0.32);
  transform: translateY(-1px);
}

.page-faq .faq-hero__media{
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  box-shadow: 0 26px 60px rgba(2, 8, 16, 0.5);
}

.page-faq .faq-hero__media img{
  display: block;
  width: 100%;
  height: auto;
  border-radius: inherit;
  object-fit: cover;
}

.page-faq .faq-stats{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(26px, 4vw, 42px);
  background: var(--line-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-stat{
  padding: clamp(12px, 2vw, 18px);
  background: rgba(5, 20, 33, 0.74);
}

.page-faq .faq-stat__num{
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(18px, 3.2vw, 28px);
  line-height: 1.1;
  color: var(--yellow);
  letter-spacing: -0.01em;
}

.page-faq .faq-stat__label{
  display: block;
  margin-top: 8px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: rgba(245, 236, 221, 0.66);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body{
  padding: clamp(30px, 5vw, 56px) 0 clamp(48px, 7vw, 88px);
}

.page-faq .faq-aside{
  display: grid;
  gap: 14px;
  margin-bottom: clamp(26px, 4vw, 40px);
}

.page-faq .faq-toc{
  border: 1px solid var(--line);
  background: rgba(10, 32, 51, 0.66);
  border-radius: var(--radius);
  padding: 16px 14px 18px;
  backdrop-filter: blur(8px);
}

.page-faq .faq-toc__title{
  margin: 0 0 10px;
  padding-left: 2px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-faq .faq-toc .toc__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-toc .toc__link{
  display: block;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  border-radius: 10px;
  font-size: 14px;
  color: rgba(245, 236, 221, 0.82);
  text-decoration: none;
  transition: background 0.22s var(--ease), color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-faq .faq-toc .toc__link:hover,
.page-faq .faq-toc .toc__link:focus-visible{
  background: rgba(20, 125, 130, 0.26);
  border-left-color: var(--mist);
  color: var(--paper);
}

.page-faq .faq-aside__card{
  border: 1px solid rgba(242, 107, 58, 0.36);
  background: linear-gradient(160deg, rgba(242, 107, 58, 0.18), rgba(10, 32, 51, 0.86));
  border-radius: var(--radius);
  padding: 16px;
}

.page-faq .faq-aside__label{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--yellow);
}

.page-faq .faq-aside__value{
  margin: 10px 0 12px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--paper);
  word-break: break-all;
}

.page-faq .faq-aside__copy{
  margin-bottom: 12px;
}

.page-faq .faq-aside__link{
  display: inline-block;
  font-size: 13.5px;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid rgba(99, 199, 194, 0.4);
}

.page-faq .faq-aside__link:hover{
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 章节 ---------- */
.page-faq .faq-sec + .faq-sec{
  margin-top: clamp(38px, 6vw, 68px);
  padding-top: clamp(30px, 5vw, 48px);
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-sec__head{
  display: flex;
  gap: clamp(12px, 2vw, 18px);
  align-items: flex-start;
  margin-bottom: clamp(18px, 3vw, 24px);
}

.page-faq .faq-sec__head .section-num{
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: clamp(34px, 7vw, 54px);
  line-height: 0.86;
  letter-spacing: -0.03em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(99, 199, 194, 0.55);
}

.page-faq .faq-sec__headtext h2{
  margin: 4px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(21px, 3.4vw, 30px);
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-sec__note{
  margin: 10px 0 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--faq-dim);
}

.page-faq .faq-sec__note a{
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid rgba(99, 199, 194, 0.42);
}

.page-faq .faq-sec__note a:hover{
  color: var(--paper);
  border-bottom-color: var(--paper);
}

.page-faq .faq-subtitle{
  margin: clamp(22px, 3vw, 30px) 0 12px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- 规则表 ---------- */
.page-faq .faq-sec__split{
  display: grid;
  gap: clamp(16px, 3vw, 24px);
  align-items: start;
}

.page-faq .rule-panel{
  padding: clamp(16px, 2.4vw, 22px);
}

.page-faq .rule-panel__title{
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--teal);
}

.page-faq .rule-table-wrap{
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .rule-table{
  width: 100%;
  min-width: 420px;
  border-collapse: collapse;
  color: var(--ink);
  font-size: 14px;
}

.page-faq .rule-table th,
.page-faq .rule-table td{
  text-align: left;
  padding: 10px 12px;
  vertical-align: top;
}

.page-faq .rule-table thead th{
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: #5b6770;
  border-bottom: 2px solid var(--line-ink);
}

.page-faq .rule-table tbody th{
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
}

.page-faq .rule-table tbody td{
  color: #3d4a53;
  border-bottom: 1px solid rgba(24, 32, 37, 0.1);
}

.page-faq .rule-table tbody tr:nth-child(even){
  background: rgba(20, 125, 130, 0.07);
}

.page-faq .rule-table tbody td:first-child{
  width: 52px;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--teal);
}

.page-faq .faq-figure{
  border-radius: var(--radius);
  border: 1px solid var(--line);
  overflow: hidden;
}

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

/* ---------- 手风琴 ---------- */
.page-faq .faq-item{
  background: var(--paper);
  color: var(--ink);
  border: 1px solid rgba(24, 32, 37, 0.12);
  border-radius: var(--radius-sm);
  box-shadow: 0 12px 26px rgba(2, 8, 16, 0.3);
  overflow: hidden;
}

.page-faq .faq-item + .faq-item{
  margin-top: 10px;
}

.page-faq .faq-item__q{
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--ink);
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

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

.page-faq .faq-item__q:hover{
  background: rgba(20, 125, 130, 0.06);
}

.page-faq .faq-item__q:focus-visible{
  outline: 2px solid var(--teal);
  outline-offset: -2px;
}

.page-faq .faq-item__q::after{
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1.1;
  color: var(--teal);
  transition: color 0.2s var(--ease);
}

.page-faq .faq-item[open] .faq-item__q::after{
  content: "–";
  color: var(--orange);
}

.page-faq .faq-item[open] .faq-item__q{
  background: rgba(20, 125, 130, 0.08);
}

.page-faq .faq-item__a{
  padding: 2px 16px 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: #3d4a53;
  border-top: 1px dashed rgba(24, 32, 37, 0.16);
  padding-top: 12px;
}

/* ---------- 反馈流程 ---------- */
.page-faq .faq-flow{
  list-style: none;
  margin: 0 0 clamp(20px, 3vw, 28px);
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-flow__item{
  display: flex;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-sm);
  background: rgba(10, 32, 51, 0.6);
}

.page-faq .faq-flow__n{
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.4;
  color: var(--orange);
}

.page-faq .faq-flow__body strong{
  display: block;
  font-size: 15px;
  color: var(--paper);
}

.page-faq .faq-flow__body p{
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--faq-dim);
}

/* ---------- 联系信息 ---------- */
.page-faq .faq-contact{
  display: grid;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 28px);
}

.page-faq .faq-contact__item{
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(10, 32, 51, 0.72);
}

.page-faq .faq-contact__label{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-faq .faq-contact__value{
  margin: 7px 0 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-contact__copy{
  margin-top: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 641px){
  .page-faq .faq-contact{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-sec__split{
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 860px){
  .page-faq .faq-hero__grid{
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: end;
  }
  .page-faq .faq-sec__split{
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
  }
  .page-faq .faq-figure{
    margin: 0;
  }
}

@media (min-width: 960px){
  .page-faq .faq-body{
    display: grid;
    grid-template-columns: 248px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }
  .page-faq .faq-aside{
    position: sticky;
    top: calc(var(--header-h) + 16px);
    margin-bottom: 0;
  }
  .page-faq .faq-main{
    min-width: 0;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-faq .faq-jump__link,
  .page-faq .faq-toc .toc__link,
  .page-faq .faq-item__q{
    transition: none;
  }
  .page-faq .faq-jump__link:hover{
    transform: none;
  }
}