.page-faq{
  --faq-grid-gap: 2rem;
  --faq-pad: clamp(1.25rem, 3vw, 2.5rem);
  --faq-radius: 1.25rem;
  --faq-slant: 14px;
  background: var(--bg-deep);
  color: var(--white);
  overflow-x: hidden;
  font-family: var(--font-sans);
}

/* ---------- 首屏 Hero ---------- */
.page-faq .faq-hero{
  position: relative;
  padding: clamp(5rem, 10vw, 8rem) 0 clamp(2.5rem, 5vw, 4rem);
  background:
    linear-gradient(120deg, rgba(0, 255, 136, 0.08) 0%, rgba(10, 14, 39, 0) 40%),
    radial-gradient(ellipse at 85% 28%, rgba(51, 169, 255, 0.22) 0%, transparent 55%),
    var(--bg-deep);
  border-bottom: 1px solid var(--line);
}

.page-faq .container{
  width: min(1200px, 92%);
  margin-inline: auto;
}

.page-faq .breadcrumb{
  margin-bottom: 2.25rem;
}

.page-faq .breadcrumb ol{
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.8rem;
  color: var(--muted);
}

.page-faq .breadcrumb li{
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.page-faq .breadcrumb li + li::before{
  content: "/";
  color: var(--muted);
  opacity: 0.6;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.page-faq .breadcrumb a{
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-faq .breadcrumb a:hover{
  color: var(--neon);
}

.page-faq .hero-copy{
  max-width: 780px;
  animation: faqFadeUp 0.6s ease-out;
}

@keyframes faqFadeUp{
  from{
    opacity: 0;
    transform: translateY(16px);
  }
  to{
    opacity: 1;
    transform: translateY(0);
  }
}

.page-faq .section-label{
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--neon);
  margin: 0 0 1rem;
}

.page-faq .section-label::before{
  content: "";
  display: inline-block;
  width: 26px;
  height: 3px;
  background: var(--neon);
  clip-path: polygon(0 0, 100% 0, 85% 100%, 0 100%);
}

.page-faq .hero-copy h1{
  font-size: clamp(2rem, 7vw, 3.75rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 0 0 1.15rem;
  text-shadow: 0 0 40px rgba(0, 255, 136, 0.12);
}

.page-faq .hero-lede{
  font-size: clamp(0.95rem, 2vw, 1.085rem);
  line-height: 1.85;
  color: var(--muted);
  max-width: 620px;
  margin: 0 0 2rem;
}

/* ---------- 搜索框 ---------- */
.page-faq .faq-search{
  position: relative;
  max-width: 520px;
}

.page-faq .faq-search-input{
  width: 100%;
  background: rgba(17, 23, 64, 0.62);
  border: 1px solid var(--line);
  border-left: 3px solid var(--neon);
  border-radius: 0.5rem;
  padding: 1rem 2.9rem 1rem 1.25rem;
  color: var(--white);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.page-faq .faq-search-input::placeholder{
  color: rgba(160, 168, 192, 0.65);
}

.page-faq .faq-search-input:focus{
  border-color: var(--neon);
  border-left-color: var(--amber);
  background: rgba(17, 23, 64, 0.85);
  box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.12);
}

.page-faq .search-slash{
  position: absolute;
  right: 1.15rem;
  top: 50%;
  transform: translateY(-50%) skewX(-12deg);
  width: 22px;
  height: 22px;
  background: var(--neon);
  opacity: 0.22;
  pointer-events: none;
  border-radius: 2px;
}

.hero-vignette{
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

.hero-vignette::after{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(0deg, var(--bg-deep) 0%, transparent 34%);
  opacity: 0.6;
}

/* ---------- 统计条 ---------- */
.page-faq .hero-stats-strip{
  background: var(--bg-steel);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  margin-top: 3rem;
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 8px, 100% 100%, 24px 100%, 0 calc(100% - 8px));
}

.page-faq .strip-inner{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  padding: 1.25rem 1rem;
}

.page-faq .strip-item{
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.75rem 0.5rem;
}

.page-faq .strip-num{
  font-family: var(--font-mono);
  font-size: clamp(1.65rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, var(--white), rgba(255, 255, 255, 0.72));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-faq .num-unit{
  font-size: 0.55em;
  color: var(--neon);
  -webkit-text-fill-color: var(--neon);
  margin-left: 0.15em;
}

.page-faq .strip-label{
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}

.page-faq .strip-sep{
  display: none;
}

/* ---------- 通用 Section ---------- */
.page-faq .section{
  padding-block: clamp(3rem, 7vw, 5.5rem);
}

.page-faq .section-head{
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-bottom: 2.75rem;
  max-width: 760px;
}

.page-faq .section-head h2,
.page-faq .faq-side h2,
.page-faq .workshop-head h2{
  font-size: clamp(1.6rem, 4.5vw, 2.4rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0;
}

.page-faq .section-intro{
  font-size: 0.965rem;
  line-height: 1.75;
  color: var(--muted);
  margin: 0;
}

/* ---------- 诊断区 ---------- */
.page-faq .diag-section{
  position: relative;
}

.page-faq .diag-section::before{
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(51, 169, 255, 0.045) 0%, transparent 70%);
  pointer-events: none;
  clip-path: polygon(0 0, 100% 0, 100% 86%, 0 100%);
}

.page-faq .diag-panel{
  position: relative;
  background: rgba(17, 23, 64, 0.32);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  overflow: hidden;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.page-faq .diag-panel::after{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--neon) 0%, var(--data-blue) 50%, var(--amber) 100%);
  opacity: 0.7;
}

.page-faq .diag-fields{
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  padding: var(--faq-pad);
}

.page-faq .diag-fieldset{
  border: 0;
  padding: 0;
  margin: 0;
  min-width: 0;
}

.page-faq .diag-legend{
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.7rem;
}

.page-faq .seg-control{
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.page-faq .seg-btn{
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.62rem 1rem;
  background: rgba(10, 14, 39, 0.7);
  border: 1px solid var(--line);
  border-radius: 0.45rem;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--muted);
  transition: all 0.2s ease;
  user-select: none;
}

.page-faq .seg-btn:hover{
  border-color: rgba(0, 255, 136, 0.45);
  color: var(--white);
}

.page-faq .seg-btn input{
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.page-faq .seg-btn:has(input:checked){
  background: rgba(0, 255, 136, 0.12);
  border-color: var(--neon);
  color: var(--white);
  box-shadow: inset 0 -2px 0 rgba(0, 255, 136, 0.4);
}

.page-faq .seg-glyph{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--neon);
  opacity: 0.6;
  transition: opacity 0.2s ease;
}

.page-faq .seg-btn input:checked + .seg-glyph{
  opacity: 1;
}

.page-faq .diag-result{
  background: rgba(10, 14, 39, 0.7);
  border-top: 1px solid var(--line);
  padding: var(--faq-pad);
}

.page-faq .diag-hint{
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--muted);
  margin: 0 0 1rem;
}

.page-faq .diag-card{
  display: none;
  position: relative;
  padding: 1.2rem 1.35rem;
  border-left: 3px solid var(--data-blue);
  background: linear-gradient(135deg, rgba(51, 169, 255, 0.08) 0%, rgba(17, 23, 64, 0.3) 100%);
  border-radius: 0 0.75rem 0.75rem 0;
}

.page-faq .diag-card.is-active{
  display: block;
  animation: faqFadeUp 0.25s ease-out;
}

.page-faq .diag-solution-tag{
  display: inline-block;
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: var(--neon);
  background: rgba(0, 255, 136, 0.1);
  border-radius: 2px;
  padding: 0.2rem 0.5rem;
  margin-bottom: 0.6rem;
  transform: skewX(-6deg);
}

.page-faq .diag-solution-text{
  font-size: 0.928rem;
  line-height: 1.75;
  margin: 0;
  color: rgba(255, 255, 255, 0.85);
}

.page-faq .diag-solution-text strong{
  color: var(--white);
  font-weight: 700;
}

/* ---------- FAQ 布局 ---------- */
.page-faq .faq-list{
  background: var(--bg-deep);
  position: relative;
}

.page-faq .faq-list::before{
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 38%;
  height: 100%;
  background: radial-gradient(ellipse at 90% 10%, rgba(0, 255, 136, 0.045) 0%, transparent 70%);
  pointer-events: none;
}

.page-faq .faq-layout{
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

.page-faq .faq-side{
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-faq .faq-side h2{
  margin-bottom: 0.75rem;
}

.page-faq .faq-side .section-intro{
  margin-bottom: 1.5rem;
}

.page-faq .faq-index{
  display: flex;
  flex-direction: column;
  width: 100%;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.page-faq .faq-index-item{
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.8rem 1rem;
  background: rgba(17, 23, 64, 0.32);
  border: 1px solid transparent;
  border-left: 2px solid var(--line);
  color: var(--muted);
  text-decoration: none;
  border-radius: 0 0.5rem 0.5rem 0;
  transition: all 0.2s ease;
  font-size: 0.9rem;
}

.page-faq .faq-index-item:hover{
  border-left-color: var(--neon);
  color: var(--white);
  background: rgba(0, 255, 136, 0.07);
  transform: translateX(3px);
}

.page-faq .idx-num{
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--neon);
  opacity: 0.7;
  letter-spacing: 0.06em;
}

.page-faq .side-tip{
  background: rgba(255, 176, 32, 0.06);
  border: 1px solid rgba(255, 176, 32, 0.28);
  border-radius: 0.75rem;
  padding: 1rem 1.2rem;
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
}

.page-faq .tip-mark{
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--amber);
  background: rgba(255, 176, 32, 0.12);
  border-radius: 3px;
  padding: 0.2rem 0.45rem;
  transform: skewX(-6deg);
  flex-shrink: 0;
}

.page-faq .side-tip p{
  font-size: 0.845rem;
  line-height: 1.65;
  margin: 0;
  color: var(--muted);
}

.page-faq .side-tip a{
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px dashed rgba(255, 176, 32, 0.5);
  transition: border-color 0.2s ease;
}

.page-faq .side-tip a:hover{
  border-bottom-color: var(--amber);
}

/* ---------- 手风琴项 ---------- */
.page-faq .faq-items-wrap{
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.page-faq .faq-item{
  background: rgba(17, 23, 64, 0.35);
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  scroll-margin-top: 7rem;
}

.page-faq .faq-item:focus-within,
.page-faq .faq-item:hover{
  border-color: rgba(0, 255, 136, 0.32);
}

.page-faq .faq-item.is-open{
  border-color: rgba(0, 255, 136, 0.55);
  box-shadow: 0 0 0 1px rgba(0, 255, 136, 0.18), 0 16px 30px -18px rgba(0, 255, 136, 0.2);
}

.page-faq .faq-item-head{
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  padding: 1.3rem 1.1rem;
  cursor: pointer;
  background: linear-gradient(90deg, rgba(17, 23, 64, 0.25) 0%, rgba(17, 23, 64, 0) 100%);
}

.page-faq .faq-number{
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1.4;
  color: var(--neon);
  font-weight: 700;
  flex-shrink: 0;
  position: relative;
  padding-left: 0.85rem;
}

.page-faq .faq-number::before{
  content: "";
  position: absolute;
  left: 0;
  top: 0.2rem;
  width: 4px;
  height: 1.2em;
  background: var(--neon);
  transform: skewX(-28deg);
  opacity: 0.6;
}

.page-faq .faq-title-group{
  flex: 1;
  min-width: 0;
}

.page-faq .faq-question{
  font-size: clamp(0.98rem, 2.5vw, 1.24rem);
  font-weight: 700;
  line-height: 1.5;
  margin: 0 0 0.35rem;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .faq-cat{
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  margin: 0;
}

.page-faq .faq-toggle{
  position: relative;
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(10, 14, 39, 0.6);
  cursor: pointer;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.page-faq .faq-toggle:hover{
  border-color: var(--neon);
}

.page-faq .toggle-line{
  position: absolute;
  left: 50%;
  top: 50%;
  width: 14px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease, background 0.25s ease;
}

.page-faq .toggle-line-a{
  transform: translate(-50%, -50%);
}

.page-faq .toggle-line-b{
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-item.is-open .toggle-line-a{
  transform: translate(-50%, -50%);
}

.page-faq .faq-item.is-open .toggle-line-b{
  transform: translate(-50%, -50%) rotate(0deg);
  opacity: 0;
}

.page-faq .faq-item.is-open .toggle-line{
  background: var(--neon);
}

.page-faq .faq-content{
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.35s ease, opacity 0.3s ease;
}

.page-faq .faq-item.is-open .faq-content{
  opacity: 1;
}

.page-faq .faq-body{
  padding: 0 1.1rem 1.5rem;
}

.page-faq .faq-lead{
  font-size: 0.94rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
  background: rgba(0, 255, 136, 0.06);
  border-left: 2px solid var(--neon);
  padding: 0.8rem 1rem;
  border-radius: 0 0.5rem 0.5rem 0;
  margin: 0 0 1.5rem;
}

/* ---------- 步骤列表 ---------- */
.page-faq .step-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.page-faq .step-item{
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 0.82rem 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
}

.page-faq .step-item:last-child{
  border-bottom: 0;
}

.page-faq .step-icon{
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neon);
  background: rgba(0, 255, 136, 0.08);
  border-radius: 0.4rem;
  transform: skewX(-10deg);
  margin-top: 0.1rem;
}

.page-faq .step-icon svg{
  color: var(--neon);
}

.page-faq .step-main{
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
}

.page-faq .step-title{
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--white);
}

.page-faq .step-desc{
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .faq-image-wrap{
  margin: 1.5rem 0 1rem;
  background: var(--bg-steel);
  border-radius: 0.6rem;
  padding: 0.85rem;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  max-width: 340px;
}

.page-faq .faq-detail-img{
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 0.35rem;
  background: linear-gradient(150deg, var(--bg-steel) 0%, var(--bg-deep) 66%);
  filter: saturate(1.05);
}

.page-faq .image-caption{
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--muted);
  font-style: italic;
}

.page-faq .faq-note{
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.9rem 1rem;
  background: rgba(255, 176, 32, 0.06);
  border: 1px solid rgba(255, 176, 32, 0.2);
  border-radius: 0.55rem;
  margin-top: 1rem;
}

.page-faq .note-glyph{
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--amber);
  flex-shrink: 0;
}

.page-faq .faq-note p{
  font-size: 0.86rem;
  line-height: 1.65;
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
}

/* ---------- 操作指引总览 ---------- */
.page-faq .workshop-section{
  background: var(--bg-deep);
  position: relative;
  border-top: 1px solid var(--line);
}

.page-faq .workshop-head{
  max-width: 760px;
  margin-bottom: 2.5rem;
}

.page-faq .workshop-head h2{
  margin-bottom: 0.75rem;
}

.page-faq .workshop-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.page-faq .workshop-card{
  background: rgba(17, 23, 64, 0.3);
  border: 1px solid var(--line);
  border-radius: 1rem;
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease;
  display: flex;
  flex-direction: column;
}

.page-faq .workshop-card:hover{
  border-color: rgba(51, 169, 255, 0.45);
  transform: translateY(-2px);
}

.page-faq .workshop-illustration{
  background:
    radial-gradient(ellipse at 22% 20%, rgba(51, 169, 255, 0.15) 0%, transparent 58%),
    radial-gradient(ellipse at 82% 78%, rgba(0, 255, 136, 0.1) 0%, transparent 54%),
    var(--bg-deep);
  padding: 2.2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  border-bottom: 1px solid var(--line);
  min-height: 240px;
  position: relative;
  overflow: hidden;
}

.page-faq .workshop-illustration::after{
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  border: 1px dashed rgba(0, 255, 136, 0.14);
  border-radius: 50%;
  animation: faqSpin 20s linear infinite;
  pointer-events: none;
}

@keyframes faqSpin{
  to{
    transform: rotate(360deg);
  }
}

.page-faq .phone-frame{
  width: 132px;
  height: 260px;
  background: linear-gradient(150deg, #161d3f 0%, #0d1230 100%);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 18px;
  position: relative;
  box-shadow: 0 0 0 6px rgba(17, 23, 64, 0.85), 0 18px 40px rgba(0, 0, 0, 0.35);
  overflow: hidden;
  z-index: 1;
  transform: rotate(-4deg);
}

.page-faq .phone-screen{
  position: absolute;
  inset: 8px;
  background: linear-gradient(160deg, #0d1230 0%, #16an 100%);
  background: linear-gradient(160deg, #0d1230 0%, #1c2452 100%);
  border-radius: 12px;
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .screen-bar{
  width: 58%;
  height: 5px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 5px;
  margin: 0 auto 6px;
}

.page-faq .screen-bullets{
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 2px;
}

.page-faq .screen-bullets i{
  height: 7px;
  background: rgba(255, 255, 255, 0.14);
  border-radius: 4px;
  display: block;
}

.page-faq .screen-bullets i:nth-child(2){
  width: 82%;
}

.page-faq .screen-bullets i:nth-child(3){
  width: 66%;
}

.page-faq .screen-bullets i:nth-child(4){
  width: 74%;
}

.page-faq .screen-link{
  display: block;
  width: 66%;
  height: 13px;
  background: linear-gradient(90deg, rgba(0, 255, 136, 0.3), rgba(51, 169, 255, 0.3));
  border-radius: 4px;
  margin-top: 8px;
}

.page-faq .screen-chip{
  position: absolute;
  bottom: 22px;
  right: 10px;
  font-size: 0.62rem;
  font-weight: 600;
  font-family: var(--font-sans);
  color: var(--bg-deep);
  padding: 4px 8px;
  border-radius: 4px;
  background: var(--neon);
  transform: skewX(-8deg);
}

.page-faq .screen-chip.chip-schedule{
  background: var(--amber);
  right: auto;
  left: 10px;
  bottom: 38px;
}

.page-faq .screen-top-row{
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.page-faq .screen-avatar{
  width: 16px;
  height: 16px;
  background: rgba(51, 169, 255, 0.4);
  border-radius: 50%;
}

.page-faq .screen-radio{
  font-size: 0.58rem;
  background: var(--neon);
  color: var(--bg-deep);
  font-weight: 700;
  padding: 3px 6px;
  border-radius: 3px;
  letter-spacing: 0.02em;
}

.page-faq .workshop-copy{
  padding: 1.5rem 1.5rem 1.75rem;
}

.page-faq .workshop-tag{
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--data-blue);
  margin-bottom: 0.6rem;
  display: inline-block;
}

.page-faq .workshop-title{
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 0 1.05rem;
  color: var(--white);
}

.page-faq .mini-steps{
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.page-faq .mini-steps li{
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.84);
}

.page-faq .mini-step-num{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--neon);
  background: rgba(0, 255, 136, 0.09);
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transform: skewX(-6deg);
  flex-shrink: 0;
}

.page-faq .workshop-note{
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--muted);
  margin: 0;
  border-top: 1px dashed rgba(255, 255, 255, 0.12);
  padding-top: 0.9rem;
}

/* ---------- 联系人工客服 ---------- */
.page-faq .contact-section{
  background:
    linear-gradient(135deg, rgba(0, 255, 136, 0.04) 0%, rgba(10, 14, 39, 0) 48%),
    var(--bg-deep);
  position: relative;
  border-top: 1px solid var(--line);
}

.page-faq .contact-panel{
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  background: rgba(17, 23, 64, 0.4);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  padding: clamp(1.5rem, 4vw, 3rem);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.page-faq .contact-panel::before{
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(255, 176, 32, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.page-faq .contact-panel-left h2{
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 800;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.page-faq .contact-lede{
  font-size: 0.96rem;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.82);
  max-width: 560px;
  margin: 0 0 0.9rem;
}

.page-faq .contact-boundary{
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--muted);
  max-width: 520px;
  margin: 0;
  border-left: 2px solid var(--amber);
  background: rgba(255, 176, 32, 0.05);
  padding: 0.7rem 0.9rem;
  border-radius: 0 0.5rem 0.5rem 0;
}

.page-faq .contact-panel-right{
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.page-faq .contact-mailbox{
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  padding: 1.4rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
  border-left: 3px solid var(--neon);
}

.page-faq .mailbox-icon{
  color: var(--neon);
  margin-bottom: 0.2rem;
}

.page-faq .mailbox-label{
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-faq .mailbox-address{
  font-size: clamp(1.02rem, 3vw, 1.3rem);
  font-weight: 600;
  color: var(--white);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px dashed rgba(0, 255, 136, 0.35);
  align-self: flex-start;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-faq .mailbox-address:hover{
  color: var(--neon);
  border-bottom-color: var(--neon);
}

.page-faq .copy-email-btn{
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--neon);
  color: var(--bg-deep);
  font-size: 0.85rem;
  font-weight: 600;
  border: 0;
  border-radius: 0.5rem;
  padding: 0.65rem 1rem;
  cursor: pointer;
  align-self: flex-start;
  margin-top: 0.3rem;
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 0 rgba(0, 255, 136, 0.22);
}

.page-faq .copy-email-btn:hover{
  background: #35ffa2;
  transform: translateY(-1px);
  box-shadow: 0 6px 0 rgba(0, 255, 136, 0.15);
}

.page-faq .copy-email-btn:active{
  transform: translateY(1px);
  box-shadow: 0 2px 0 rgba(0, 255, 136, 0.28);
}

.page-faq .mailbox-toast{
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  font-size: 0.78rem;
  color: var(--bg-deep);
  background: var(--neon);
  padding: 0.35rem 0.7rem;
  border-radius: 0.35rem;
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  font-weight: 600;
}

.page-faq .mailbox-toast.is-shown{
  opacity: 1;
  transform: translateY(0);
}

.page-faq .contact-alt{
  padding: 0.2rem 0.2rem;
}

.page-faq .alt-moniker{
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--amber);
  margin-bottom: 0.5rem;
}

.page-faq .alt-copy{
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 0.5rem;
}

.page-faq .alt-link a{
  color: var(--neon);
  text-decoration: none;
  font-size: 0.9rem;
  border-bottom: 1px dashed rgba(0, 255, 136, 0.4);
  transition: border-color 0.2s ease;
}

.page-faq .alt-link a:hover{
  border-bottom-color: var(--neon);
}

/* ---------- 相关链接区 ---------- */
.page-faq .related-section{
  padding-top: clamp(2rem, 4vw, 3rem);
}

.page-faq .related-title{
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 800;
  margin: 0.4rem 0 1.8rem;
  letter-spacing: -0.02em;
}

.page-faq .related-list{
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

.page-faq .related-card{
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.3rem 1.4rem;
  background: rgba(17, 23, 64, 0.22);
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  text-decoration: none;
  transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
  position: relative;
  overflow: hidden;
}

.page-faq .related-card::after{
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--neon), var(--data-blue));
  opacity: 0;
  transition: opacity 0.25s ease;
}

.page-faq .related-card:hover{
  background: rgba(17, 23, 64, 0.5);
  border-color: rgba(0, 255, 136, 0.3);
  transform: translateY(-2px);
}

.page-faq .related-card:hover::after{
  opacity: 1;
}

.page-faq .related-category{
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  color: var(--data-blue);
  text-transform: uppercase;
}

.page-faq .related-heading{
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--white);
  margin: 0;
  line-height: 1.45;
}

.page-faq .related-desc{
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--muted);
  margin: 0;
}

.page-faq .related-arrow{
  position: absolute;
  right: 1.2rem;
  bottom: 1rem;
  font-size: 1.1rem;
  color: var(--neon);
  opacity: 0;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.page-faq .related-card:hover .related-arrow{
  opacity: 1;
  transform: translate(2px, -2px);
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce){
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after{
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.page-faq [data-reveal]{
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.page-faq [data-reveal].is-revealed{
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce){
  .page-faq [data-reveal]{
    opacity: 1;
    transform: none;
  }
}

/* ---------- 筛选高亮 ---------- */
.page-faq .faq-item.faq-filter-hidden{
  display: none;
}

.page-faq .faq-item.faq-hl{
  border-color: var(--neon);
  box-shadow: 0 0 0 1px rgba(0, 255, 136, 0.35);
}

.page-faq .faq-search-input:not(:placeholder-shown) ~ .search-slash{
  background: var(--amber);
  opacity: 0.5;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 640px){
  .page-faq .strip-inner{
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    padding: 1.5rem 1.25rem;
  }

  .page-faq .strip-sep{
    display: block;
    width: 1px;
    background: var(--line);
    margin: 0 0.25rem;
  }

  .page-faq .diag-fields{
    grid-template-columns: 1fr 1.4fr;
    gap: 2rem;
    align-items: start;
  }

  .page-faq .diag-result{
    padding: 1.5rem 2rem;
  }

  .page-faq .faq-layout{
    grid-template-columns: 0.75fr 1.6fr;
    gap: 3rem;
    align-items: start;
  }

  .page-faq .faq-index{
    position: sticky;
    top: 6.5rem;
  }

  .page-faq .workshop-grid{
    grid-template-columns: repeat(2, 1fr);
  }

  .page-faq .contact-panel{
    grid-template-columns: 1fr 0.9fr;
    gap: 2.5rem;
  }

  .page-faq .related-list{
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1200px){
  .page-faq .workshop-card{
    flex-direction: row;
  }

  .page-faq .workshop-illustration{
    width: 42%;
    flex-shrink: 0;
    min-height: auto;
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .page-faq .workshop-copy{
    flex: 1;
  }
}