/* ===== 使用教程页 page-faq ===== */

.page-faq {
  --faq-line: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */

.page-faq .tut-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(26px, 4.5vw, 42px) 0 clamp(48px, 7vw, 88px);
}

.page-faq .tut-hero::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -130px;
  width: 44%;
  max-width: 540px;
  height: 320px;
  background: linear-gradient(155deg, rgba(255, 90, 31, 0.85), rgba(255, 90, 31, 0));
  transform: rotate(-12deg);
  opacity: 0.3;
  pointer-events: none;
}

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

.page-faq .tut-hero .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 0 0 clamp(26px, 4vw, 46px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-faq .tut-hero .breadcrumb-item + .breadcrumb-item {
  margin-left: 4px;
}

.page-faq .tut-hero .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: rgba(246, 241, 228, 0.28);
}

.page-faq .tut-hero .breadcrumb-item a {
  color: var(--beacon);
  text-decoration: none;
  border-bottom: 1px solid rgba(233, 255, 61, 0.4);
}

.page-faq .tut-hero .breadcrumb-item[aria-current="page"] {
  color: rgba(246, 241, 228, 0.55);
}

.page-faq .tut-hero .eyebrow {
  margin: 0 0 14px;
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-faq .tut-hero h1 {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  max-width: 15em;
  font-size: clamp(32px, 6vw, 72px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.015em;
}

.page-faq .tut-hero .lede {
  max-width: 42em;
  margin: 0 0 clamp(28px, 4vw, 44px);
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.9;
  color: rgba(246, 241, 228, 0.82);
}

.page-faq .tut-hero-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 24px;
}

.page-faq .url-box {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border: 1px solid var(--line-ink);
  border-radius: var(--radius);
  background: rgba(246, 241, 228, 0.05);
}

.page-faq .url-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(246, 241, 228, 0.5);
}

.page-faq .url-value {
  font-size: clamp(15px, 2vw, 20px);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--beacon);
}

.page-faq .tut-hero-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(246, 241, 228, 0.55);
}

/* ---------- 通用区块头 ---------- */

.page-faq .tut-head {
  max-width: 46em;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-faq .tut-head .eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-faq .tut-head h2 {
  margin: 0 0 14px;
  font-size: clamp(26px, 3.6vw, 44px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.01em;
}

.page-faq .tut-head p {
  margin: 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--slate);
}

/* ---------- 三步 ---------- */

.page-faq .tut-steps {
  background: var(--paper);
  padding: clamp(56px, 8vw, 104px) 0 clamp(48px, 6vw, 80px);
}

.page-faq .step-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 36px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .step-item {
  padding-top: clamp(20px, 2.4vw, 28px);
  border-top: 3px solid var(--green);
}

.page-faq .step-num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: clamp(38px, 5.4vw, 62px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--green);
}

.page-faq .step-title {
  margin: 0 0 10px;
  font-size: clamp(19px, 2.2vw, 23px);
  font-weight: 700;
  line-height: 1.35;
}

.page-faq .step-text {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--slate);
}

.page-faq .tut-figure {
  margin: clamp(36px, 5vw, 64px) 0 0;
}

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

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

.page-faq .figure-cap {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--slate);
}

/* ---------- 浏览器设置 ---------- */

.page-faq .tut-browser {
  background: var(--paper-2);
  border-top: var(--faq-line);
  border-bottom: var(--faq-line);
  padding: clamp(56px, 8vw, 100px) 0;
}

.page-faq .browser-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 3.5vw, 48px);
}

.page-faq .browser-copy .eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-faq .browser-copy h2 {
  margin: 0 0 14px;
  font-size: clamp(25px, 3.4vw, 40px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.01em;
}

.page-faq .browser-lede {
  margin: 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--slate);
}

.page-faq .set-list {
  margin: clamp(26px, 3vw, 38px) 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--faq-line);
}

.page-faq .set-item {
  padding: 20px 0;
}

.page-faq .set-item + .set-item {
  border-top: 1px dashed var(--line);
}

.page-faq .set-label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green-deep);
}

.page-faq .set-title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
}

.page-faq .set-text {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--slate);
}

.page-faq .browser-media .figure {
  margin: 0;
}

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

/* ---------- 路径卡片 ---------- */

.page-faq .tut-route {
  background: var(--paper);
  padding: clamp(56px, 8vw, 104px) 0;
}

.page-faq .route-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-faq .route-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(22px, 2.6vw, 30px);
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--green);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.page-faq .route-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}

.page-faq .route-tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-faq .route-card h3 {
  margin: 0;
  font-size: clamp(19px, 2.2vw, 23px);
  font-weight: 700;
  line-height: 1.35;
}

.page-faq .route-card p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--slate);
}

.page-faq .route-go {
  margin-top: auto;
  padding-top: 12px;
  border-top: var(--faq-line);
  font-size: 14px;
  font-weight: 700;
  color: var(--green-deep);
}

/* ---------- 收藏与订阅 ---------- */

.page-faq .tut-save {
  position: relative;
  overflow: hidden;
  background: var(--ink-2);
  color: var(--paper);
  padding: clamp(56px, 8vw, 104px) 0;
}

.page-faq .save-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 4vw, 56px);
}

.page-faq .save-copy .eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--beacon);
}

.page-faq .save-copy h2 {
  margin: 0 0 16px;
  font-size: clamp(25px, 3.4vw, 40px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .save-copy p {
  margin: 0 0 14px;
  font-size: 16.5px;
  line-height: 1.9;
  color: rgba(246, 241, 228, 0.78);
}

.page-faq .tut-save .btn-row {
  margin-top: 22px;
}

.page-faq .tut-save .btn--ghost {
  border-color: rgba(246, 241, 228, 0.35);
  color: var(--paper);
}

.page-faq .save-mock {
  border: 1px solid var(--line-ink);
  border-radius: var(--radius);
  background: rgba(246, 241, 228, 0.04);
  padding: 14px;
}

.page-faq .mock-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-ink);
}

.page-faq .mock-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(246, 241, 228, 0.25);
}

.page-faq .mock-dot:first-child {
  background: var(--orange);
}

.page-faq .mock-addr {
  margin-left: 10px;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: rgba(246, 241, 228, 0.5);
}

.page-faq .mock-body {
  display: flex;
  gap: 16px;
  padding-top: 18px;
}

.page-faq .mock-side {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 0 0 auto;
}

.page-faq .mock-pill {
  display: block;
  padding: 5px 12px;
  border: 1px solid rgba(246, 241, 228, 0.22);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(246, 241, 228, 0.6);
}

.page-faq .mock-pill--on {
  border-color: var(--beacon);
  color: var(--ink);
  background: var(--beacon);
}

.page-faq .mock-pill--foot {
  border-color: rgba(233, 255, 61, 0.5);
  color: var(--beacon);
}

.page-faq .mock-main {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.page-faq .mock-line {
  display: block;
  height: 10px;
  border-radius: 2px;
  background: rgba(246, 241, 228, 0.14);
}

.page-faq .mock-line--80 { width: 80%; }
.page-faq .mock-line--70 { width: 70%; }
.page-faq .mock-line--60 { width: 60%; }
.page-faq .mock-line--45 { width: 45%; }

.page-faq .mock-foot {
  margin-top: 8px;
  padding-top: 14px;
  border-top: 1px dashed rgba(246, 241, 228, 0.18);
}

/* ---------- 常见问题 ---------- */

.page-faq .tut-faq {
  background: var(--paper);
  padding: clamp(56px, 8vw, 104px) 0;
}

.page-faq .faq-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(20px, 2.6vw, 30px);
  padding-bottom: 18px;
  border-bottom: var(--faq-line);
}

.page-faq .faq-filters .filter-btn {
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--slate);
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.page-faq .faq-filters .filter-btn:hover {
  border-color: var(--green);
  color: var(--green-deep);
}

.page-faq .faq-filters .filter-btn[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-faq .faq-filters .filter-btn .mono {
  margin-left: 4px;
  opacity: 0.6;
}

.page-faq .faq-list {
  display: grid;
  gap: 0;
  border-bottom: var(--faq-line);
}

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

.page-faq .tut-q-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .tut-q-num {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-faq .tut-q-text {
  flex: 1 1 auto;
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 700;
  line-height: 1.5;
}

.page-faq .tut-q-icon {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 6px;
}

.page-faq .tut-q-icon::before,
.page-faq .tut-q-icon::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 100%;
  height: 2px;
  background: var(--green);
  transition: transform 180ms ease;
}

.page-faq .tut-q-icon::after {
  transform: rotate(90deg);
}

.page-faq .tut-q[open] .tut-q-icon::after {
  transform: rotate(0deg);
}

.page-faq .tut-q[open] .tut-q-text {
  color: var(--green-deep);
}

.page-faq .tut-q-body {
  padding: 0 0 26px clamp(0px, 3vw, 46px);
}

.page-faq .tut-q-body p {
  margin: 0;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.9;
  color: var(--slate);
}

/* ---------- 收尾 ---------- */

.page-faq .tut-help {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(56px, 8vw, 104px) 0 clamp(40px, 5vw, 64px);
}

.page-faq .help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 4vw, 52px);
}

.page-faq .help-copy .eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-faq .help-copy h2 {
  margin: 0 0 16px;
  font-size: clamp(25px, 3.4vw, 40px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .help-copy p {
  margin: 0 0 22px;
  max-width: 40em;
  font-size: 16.5px;
  line-height: 1.9;
  color: rgba(246, 241, 228, 0.78);
}

.page-faq .tut-help .btn--ghost {
  border-color: rgba(246, 241, 228, 0.35);
  color: var(--paper);
}

.page-faq .contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-ink);
}

.page-faq .contact-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-ink);
}

.page-faq .contact-label {
  flex: 0 0 auto;
  min-width: 5em;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(246, 241, 228, 0.5);
}

.page-faq .contact-value {
  flex: 1 1 auto;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .copy-btn {
  flex: 0 0 auto;
  padding: 4px 10px;
  border: 1px solid rgba(246, 241, 228, 0.28);
  border-radius: var(--radius);
  background: transparent;
  color: var(--beacon);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.page-faq .copy-btn:hover {
  border-color: var(--beacon);
}

.page-faq .tut-topline {
  margin: clamp(32px, 4vw, 48px) 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line-ink);
}

/* ---------- 响应式 ---------- */

@media (min-width: 820px) {
  .page-faq .step-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .route-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-faq .route-card:nth-child(2) {
    margin-top: 28px;
  }

  .page-faq .route-card:nth-child(3) {
    margin-top: 56px;
  }
}

@media (min-width: 900px) {
  .page-faq .browser-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    align-items: start;
    gap: clamp(36px, 4.5vw, 64px);
  }

  .page-faq .save-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

  .page-faq .help-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (max-width: 520px) {
  .page-faq .tut-hero-foot {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-faq .url-box {
    width: 100%;
  }

  .page-faq .mock-body {
    gap: 12px;
  }

  .page-faq .contact-line {
    gap: 8px;
  }

  .page-faq .contact-label {
    min-width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .route-card,
  .page-faq .tut-q-icon::before,
  .page-faq .tut-q-icon::after,
  .page-faq .faq-filters .filter-btn {
    transition-duration: 0.01ms;
  }

  .page-faq .route-card:hover {
    transform: none;
  }
}
<<<END>>>