/* roulang page: index */
:root {
  --c-brand: #5B3DF5;
  --c-brand-deep: #3F27C4;
  --c-accent: #C8F751;
  --c-warm: #FF7A45;
  --c-bg: #F6F4FF;
  --c-surface: #FFFFFF;
  --c-tint: #EDE9FE;
  --c-ink-bg: #16121F;
  --c-text: #171328;
  --c-text-2: #5A5470;
  --c-inverse: #F3F0FF;
  --c-border: rgba(91, 61, 245, .12);
  --c-border-strong: rgba(91, 61, 245, .24);
  --c-dark-border: rgba(255, 255, 255, .10);
  --c-dock-bg: rgba(255, 255, 255, .82);
  --c-dock-bg-stuck: rgba(255, 255, 255, .94);
  --c-shadow: 0 6px 24px rgba(23, 19, 40, .06);
  --c-shadow-hover: 0 14px 36px rgba(91, 61, 245, .16);
  --c-shadow-dock: 0 10px 30px rgba(23, 19, 40, .12);
  --c-overlay: rgba(246, 244, 255, .88);
  --c-brand-08: rgba(91, 61, 245, .08);
  --c-brand-12: rgba(91, 61, 245, .12);
  --c-brand-16: rgba(91, 61, 245, .16);
  --c-white-06: rgba(255, 255, 255, .06);
  --c-white-10: rgba(255, 255, 255, .10);
  --c-muted-inverse: rgba(243, 240, 255, .68);
  --c-dark-chip: rgba(23, 19, 40, .72);
  --c-cover-overlay: linear-gradient(180deg, rgba(23, 19, 40, 0) 45%, rgba(23, 19, 40, .78) 100%);
  --c-accent-16: rgba(200, 247, 81, .16);
  --c-accent-30: rgba(200, 247, 81, .30);
  --c-warm-10: rgba(255, 122, 69, .10);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-number: Inter, "SF Pro Display", system-ui, sans-serif;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 999px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 40px;
  --space-7: 64px;
  --space-8: 96px;
  --bs-primary: var(--c-brand);
  --bs-primary-rgb: 91, 61, 245;
  --bs-body-font-family: var(--font-sans);
  --bs-body-bg: var(--c-bg);
  --bs-body-color: var(--c-text);
  --bs-link-color: var(--c-brand);
  --bs-link-hover-color: var(--c-brand-deep);
  --bs-border-radius: var(--radius-md);
  --bs-border-color: var(--c-border);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-text);
  background: var(--c-bg);
  padding-bottom: 0;
}
body, button, input, textarea, select { font-family: var(--font-sans); }
h1, h2, h3, h4, h5, h6 { margin: 0; color: var(--c-text); font-weight: 700; letter-spacing: .01em; }
h1 { font-size: clamp(28px, 4.2vw, 44px); line-height: 1.25; font-weight: 800; }
h2 { position: relative; padding-left: 18px; font-size: clamp(22px, 2.6vw, 30px); line-height: 1.35; }
h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 4px;
  height: 24px;
  border-radius: 2px;
  background: var(--c-brand);
}
h3 { font-size: clamp(18px, 1.8vw, 20px); line-height: 1.45; font-weight: 600; }
p { margin: 0 0 1.1em; }
a { color: var(--c-brand); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--c-brand-deep); }
img { display: block; max-width: 100%; height: auto; background: var(--c-tint); }
button { cursor: pointer; }
button, input, textarea, select { font: inherit; }
ul, ol { margin-top: 0; }
::selection { background: var(--c-accent); color: var(--c-text); }
:focus-visible { outline: 3px solid var(--c-brand); outline-offset: 3px; }
section[id] { scroll-margin-top: 110px; }
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
@media (min-width: 1400px) {
  .container { max-width: 1320px; }
}
.section { padding: 80px 0; }
.section-alt { background: var(--c-surface); }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 36px;
}
.section-head > div { max-width: 700px; }
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  margin-bottom: 12px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  color: var(--c-brand);
  background: var(--c-brand-08);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
}
.section-kicker.light {
  color: var(--c-accent);
  background: var(--c-white-06);
  border-color: var(--c-dark-border);
}
.section-head p {
  margin: 10px 0 0;
  color: var(--c-text-2);
  font-size: 15px;
  line-height: 1.8;
}
.text-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding-bottom: 2px;
  color: var(--c-brand);
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
}
.text-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  border-radius: 2px;
  background: var(--c-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .2s ease;
}
.text-link:hover::after { transform: scaleX(1); }
.text-link i { transition: transform .2s ease; }
.text-link:hover i { transform: translateX(3px); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 14px 28px;
  border: 0;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.btn-accent {
  color: var(--c-text);
  background: var(--c-accent);
  box-shadow: var(--c-shadow);
}
.btn-accent:hover, .btn-accent:focus {
  color: var(--c-text);
  background: var(--c-accent);
  transform: translateY(-2px);
  box-shadow: var(--c-shadow-hover);
}
.btn-accent:active { transform: translateY(1px); }
.btn-outline-brand {
  color: var(--c-brand);
  background: var(--c-surface);
  border: 1.5px solid var(--c-brand);
}
.btn-outline-brand:hover, .btn-outline-brand:focus {
  color: var(--c-brand-deep);
  background: var(--c-tint);
  transform: translateY(-2px);
}
.btn-outline-brand:active { transform: translateY(1px); }
.btn-sm { min-height: 38px; padding: 10px 18px; font-size: 14px; }
.btn-dock { min-height: 38px; padding: 10px 18px; font-size: 14px; }
.btn:focus-visible { outline: 3px solid var(--c-brand); outline-offset: 3px; }
.site-dock {
  position: fixed;
  top: 16px;
  left: 50%;
  z-index: 1050;
  width: calc(100% - 32px);
  max-width: 1080px;
  transform: translateX(-50%);
  transition: transform .25s ease;
}
.dock-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 12px 16px 10px;
  border: 1px solid var(--c-border);
  border-radius: 22px;
  background: var(--c-dock-bg);
  box-shadow: var(--c-shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background .25s ease, box-shadow .25s ease, transform .25s ease, padding .25s ease;
}
.site-dock.is-stuck .dock-inner {
  background: var(--c-dock-bg-stuck);
  box-shadow: var(--c-shadow-dock);
  transform: scale(.96);
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--c-text);
  font-size: 18px;
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
}
.logo:hover { color: var(--c-brand); }
.logo-mark {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  overflow: hidden;
  border-radius: 10px;
  background: var(--c-brand);
}
.logo-mark::before {
  content: "";
  width: 15px;
  height: 15px;
  border: 3px solid var(--c-inverse);
  border-radius: 4px;
  transform: rotate(45deg);
}
.logo-mark::after {
  content: "";
  position: absolute;
  right: 4px;
  bottom: 4px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-accent);
}
.logo-pixel {
  position: absolute;
  left: 7px;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--c-accent);
}
.logo-text { letter-spacing: -.01em; }
.dock-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-left: 24px;
}
.dock-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 2px;
  color: var(--c-text-2);
  font-size: 15px;
  font-weight: 600;
}
.dock-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--c-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .2s ease;
}
.dock-nav a:hover, .dock-nav a.active { color: var(--c-brand); }
.dock-nav a:hover::after, .dock-nav a.active::after { transform: scaleX(1); }
.dock-search {
  display: flex;
  align-items: center;
  gap: 4px;
  width: 180px;
  margin-left: auto;
  padding: 4px 4px 4px 12px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  background: var(--c-surface);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.dock-search:focus-within {
  border-color: var(--c-brand);
  box-shadow: 0 0 0 3px var(--c-brand-16);
}
.dock-search input {
  width: 100%;
  min-width: 0;
  padding: 6px 0;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--c-text);
  font-size: 13px;
}
.dock-search input::placeholder { color: var(--c-text-2); opacity: .6; }
.dock-search button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  border: 0;
  border-radius: 50%;
  color: var(--c-brand);
  background: var(--c-tint);
  transition: background .2s ease, color .2s ease;
}
.dock-search button:hover { color: var(--c-inverse); background: var(--c-brand); }
.dock-burger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-left: auto;
  border: 1px solid var(--c-border);
  border-radius: 14px;
  color: var(--c-text);
  background: var(--c-surface);
  font-size: 18px;
}
.mobile-nav {
  width: min(86vw, 380px) !important;
  background: var(--c-surface);
  color: var(--c-text);
  border-left: 1px solid var(--c-border);
}
.mobile-nav .offcanvas-header {
  padding: 20px;
  border-bottom: 1px solid var(--c-border);
}
.mobile-nav .offcanvas-body {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 24px 20px 32px;
}
.mobile-menu { display: flex; flex-direction: column; gap: 6px; }
.mobile-menu a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
  padding: 10px 0;
  border-bottom: 1px solid var(--c-border);
  color: var(--c-text);
  font-size: 20px;
  font-weight: 700;
}
.mobile-menu a::after { content: "→"; color: var(--c-brand); font-size: 18px; }
.mobile-menu a:hover, .mobile-menu a.active { color: var(--c-brand); }
.mobile-search {
  display: flex;
  align-items: center;
  padding: 6px 6px 6px 16px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  background: var(--c-bg);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.mobile-search:focus-within {
  border-color: var(--c-brand);
  box-shadow: 0 0 0 3px var(--c-brand-16);
}
.mobile-search input {
  flex: 1;
  min-width: 0;
  padding: 8px 0;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--c-text);
  font-size: 14px;
}
.mobile-search input::placeholder { color: var(--c-text-2); opacity: .6; }
.mobile-search button {
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 50%;
  color: var(--c-inverse);
  background: var(--c-brand);
}
.hero-section {
  position: relative;
  overflow: hidden;
  padding: 120px 0 72px;
  background-color: var(--c-bg);
  background-image:
    linear-gradient(var(--c-overlay), var(--c-overlay)),
    radial-gradient(circle at 84% 80%, var(--c-brand-12), transparent 42%),
    url('/assets/images/backpic/back-1.webp');
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}
.hero-copy { max-width: 640px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  margin-bottom: 20px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  color: var(--c-brand);
  background: var(--c-surface);
  box-shadow: var(--c-shadow);
  font-size: 13px;
  font-weight: 700;
}
.hero-section h1 { max-width: 660px; }
.hero-subtitle {
  margin: 20px 0 12px;
  color: var(--c-text-2);
  font-size: clamp(17px, 1.8vw, 20px);
  font-weight: 500;
  line-height: 1.7;
}
.hero-desc {
  max-width: 620px;
  margin: 0;
  color: var(--c-text-2);
  font-size: 16px;
  line-height: 1.9;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0;
}
.trust-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--c-text-2);
  font-size: 14px;
}
.trust-list li { display: flex; align-items: center; gap: 10px; }
.trust-list i { width: 20px; color: var(--c-brand); text-align: center; }
.portrait-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.portrait-card {
  position: relative;
  width: 100%;
  max-width: 380px;
  aspect-ratio: 9 / 16;
  overflow: hidden;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xl);
  background: var(--c-tint);
  box-shadow: var(--c-shadow-hover);
}
.portrait-card::before,
.clip-cover::before,
.news-thumb::before {
  content: "爱游戏ayx官网";
  position: absolute;
  inset: 0;
  z-index: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-brand);
  background: var(--c-tint);
  font-weight: 800;
  letter-spacing: .08em;
}
.portrait-card img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.portrait-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: var(--c-cover-overlay);
  pointer-events: none;
}
.portrait-top {
  position: absolute;
  top: 16px;
  left: 16px;
  right: 16px;
  z-index: 3;
  display: flex;
  justify-content: flex-end;
}
.duration-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: var(--radius-pill);
  color: var(--c-inverse);
  background: var(--c-dark-chip);
  font-size: 12px;
  backdrop-filter: blur(4px);
}
.portrait-side {
  position: absolute;
  top: 50%;
  right: 14px;
  z-index: 3;
  padding: 10px 6px;
  border: 1px solid var(--c-dark-border);
  border-radius: var(--radius-pill);
  color: var(--c-inverse);
  background: var(--c-brand-16);
  font-size: 12px;
  letter-spacing: .2em;
  writing-mode: vertical-rl;
  transform: translateY(-50%);
}
.portrait-play {
  position: absolute;
  top: 44%;
  left: 50%;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  color: var(--c-text);
  background: var(--c-accent);
  box-shadow: var(--c-shadow);
  font-size: 22px;
  transform: translate(-50%, -50%);
}
.portrait-caption {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 20px;
  z-index: 3;
  color: var(--c-inverse);
}
.portrait-label {
  display: block;
  margin-bottom: 6px;
  color: var(--c-accent);
  font-size: 12px;
  font-weight: 700;
}
.portrait-caption strong { display: block; font-size: 20px; line-height: 1.4; }
.portrait-note {
  max-width: 340px;
  margin: 0;
  color: var(--c-text-2);
  font-size: 13px;
  line-height: 1.8;
  text-align: center;
}
.clip-section { background: var(--c-bg); }
.clip-grid { --bs-gutter-y: 1.5rem; }
.clip-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  color: var(--c-text);
  background: var(--c-surface);
  box-shadow: var(--c-shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}
.clip-card:hover {
  color: var(--c-text);
  transform: translateY(-4px);
  box-shadow: var(--c-shadow-hover);
}
.clip-cover {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  background: var(--c-tint);
}
.clip-cover img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}
.clip-card:hover .clip-cover img { transform: scale(1.03); }
.clip-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: var(--c-cover-overlay);
  pointer-events: none;
}
.clip-duration {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 4;
  padding: 4px 9px;
  border-radius: var(--radius-pill);
  color: var(--c-inverse);
  background: var(--c-dark-chip);
  font-size: 12px;
}
.clip-title {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  z-index: 3;
  color: var(--c-inverse);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  transition: color .2s ease;
}
.clip-card:hover .clip-title { color: var(--c-accent); }
.clip-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 10px;
  padding: 14px 16px 16px;
}
.clip-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  color: var(--c-text-2);
  font-size: 12px;
}
.clip-meta span { display: inline-flex; align-items: center; gap: 5px; }
.clip-meta i { color: var(--c-brand); }
.clip-view {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  color: var(--c-brand);
  font-size: 14px;
  font-weight: 600;
}
.clip-view i { transition: transform .2s ease; }
.clip-card:hover .clip-view i { transform: translateX(4px); }
.checklist-section { background: var(--c-surface); }
.checklist-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 64px;
}
.checklist-item {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: start;
  padding: 22px 0;
  border-bottom: 1px dashed var(--c-border);
}
.list-index {
  padding-top: 4px;
  color: transparent;
  font-family: var(--font-number);
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: .02em;
  -webkit-text-stroke: 1.5px var(--c-brand);
  text-stroke: 1.5px var(--c-brand);
}
.list-content h3 { margin-bottom: 6px; }
.list-content p {
  margin: 0;
  color: var(--c-text-2);
  font-size: 14px;
  line-height: 1.8;
}
.pill-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 14px;
  border: 1.5px solid var(--c-brand);
  border-radius: var(--radius-pill);
  color: var(--c-brand);
  background: var(--c-surface);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.pill-btn:hover {
  color: var(--c-inverse);
  background: var(--c-brand);
  transform: translateY(-2px);
}
.review-section {
  overflow: hidden;
  padding: 64px 0;
  color: var(--c-inverse);
  background: var(--c-ink-bg);
}
.review-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}
.review-head h2 { color: var(--c-inverse); }
.review-head h2::before { background: var(--c-accent); }
.review-head p {
  max-width: 640px;
  margin: 10px 0 0;
  color: var(--c-muted-inverse);
  font-size: 14px;
}
.scroll-hint {
  color: var(--c-muted-inverse);
  font-size: 13px;
  white-space: nowrap;
}
.review-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 4px 0 12px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--c-brand-deep) transparent;
}
.review-card {
  flex: 0 0 340px;
  padding: 22px;
  border: 1px solid var(--c-dark-border);
  border-radius: 18px;
  background: var(--c-white-06);
  scroll-snap-align: start;
  transition: transform .25s ease, background .25s ease;
}
.review-card:hover {
  background: var(--c-white-10);
  transform: translateY(-4px);
}
.review-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  border-radius: 50%;
  color: var(--c-inverse);
  background: var(--c-brand);
  font-weight: 800;
}
.avatar-b { background: var(--c-brand-deep); }
.avatar-c { color: var(--c-text); background: var(--c-warm); }
.avatar-d { color: var(--c-text); background: var(--c-accent); }
.avatar-e { background: var(--c-text-2); }
.review-top strong {
  display: block;
  color: var(--c-inverse);
  font-size: 14px;
  line-height: 1.4;
}
.stars {
  display: block;
  margin-top: 2px;
  color: var(--c-warm);
  font-size: 13px;
  letter-spacing: 2px;
}
.star-dim { color: var(--c-muted-inverse); }
.review-card p {
  margin: 0;
  color: var(--c-inverse);
  font-size: 14px;
  line-height: 1.8;
}
.news-section { background: var(--c-bg); }
.news-card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  color: var(--c-text);
  background: var(--c-surface);
  box-shadow: var(--c-shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}
.news-card:hover {
  color: var(--c-text);
  transform: translateY(-4px);
  box-shadow: var(--c-shadow-hover);
}
.news-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--c-tint);
}
.news-thumb img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}
.news-card:hover .news-thumb img { transform: scale(1.03); }
.news-body {
  position: relative;
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 10px;
  padding: 18px 18px 20px;
}
.news-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  color: var(--c-text-2);
  font-size: 12px;
}
.news-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  color: var(--c-brand);
  background: var(--c-tint);
  font-weight: 700;
}
.news-date { opacity: .8; }
.news-title {
  display: -webkit-box;
  overflow: hidden;
  padding-right: 34px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  transition: color .2s ease;
}
.news-card:hover .news-title { color: var(--c-brand); }
.news-summary {
  display: -webkit-box;
  overflow: hidden;
  margin: 0;
  color: var(--c-text-2);
  font-size: 14px;
  line-height: 1.8;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.news-arrow {
  position: absolute;
  top: 16px;
  right: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  color: var(--c-brand);
  background: var(--c-tint);
  font-size: 12px;
  transition: transform .25s ease, background .25s ease, color .25s ease;
}
.news-card:hover .news-arrow {
  color: var(--c-inverse);
  background: var(--c-brand);
  transform: translate(2px, -2px);
}
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 380px;
  padding: 48px 24px;
  border: 1px dashed var(--c-border-strong);
  border-radius: var(--radius-lg);
  background: var(--c-tint);
  text-align: center;
}
.empty-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  color: var(--c-brand);
  background: var(--c-surface);
  box-shadow: var(--c-shadow);
  font-size: 22px;
}
.empty-state p {
  margin: 0;
  color: var(--c-text-2);
  font-size: 15px;
}
.faq-section { background: var(--c-surface); }
.faq-section .accordion { max-width: 900px; }
.accordion-item {
  border: 0;
  border-bottom: 1px dashed var(--c-border);
  background: transparent;
}
.accordion-item:first-of-type { border-top: 1px dashed var(--c-border); }
.accordion-button {
  padding: 20px 52px 20px 20px;
  border-radius: 0 !important;
  color: var(--c-text);
  background: transparent;
  box-shadow: none;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.6;
  transition: background .2s ease, color .2s ease, box-shadow .2s ease;
}
.accordion-button:not(.collapsed) {
  color: var(--c-brand);
  background: var(--c-tint);
  box-shadow: inset 4px 0 0 var(--c-accent);
}
.accordion-button:hover { background: var(--c-brand-08); }
.accordion-button:focus { box-shadow: none; }
.accordion-button:focus-visible {
  outline: 3px solid var(--c-brand);
  outline-offset: -3px;
}
.accordion-button::after {
  content: "+";
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  color: var(--c-brand);
  background-color: var(--c-tint);
  background-image: none;
  font-size: 20px;
  font-weight: 500;
  line-height: 1;
  transition: background .2s ease, color .2s ease;
}
.accordion-button:not(.collapsed)::after {
  content: "−";
  color: var(--c-inverse);
  background-color: var(--c-brand);
}
.accordion-body {
  padding: 0 24px 22px 20px;
  color: var(--c-text-2);
  font-size: 15px;
  line-height: 1.9;
}
.cta-section { padding: 72px 0 80px; }
.cta-panel {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  overflow: hidden;
  padding: 48px 56px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xl);
  background: var(--c-tint);
  box-shadow: var(--c-shadow);
}
.cta-panel::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: var(--c-brand-08);
  pointer-events: none;
}
.cta-copy {
  position: relative;
  z-index: 1;
  max-width: 640px;
}
.cta-copy h2 { margin: 8px 0 12px; }
.cta-copy p { margin: 0; color: var(--c-text-2); }
.cta-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.site-footer {
  padding: 64px 0 24px;
  border-top: 1px solid var(--c-dark-border);
  color: var(--c-inverse);
  background: var(--c-ink-bg);
}
.footer-main {
  padding-bottom: 36px;
  border-bottom: 1px solid var(--c-dark-border);
}
.footer-brand .logo {
  margin-bottom: 14px;
  color: var(--c-inverse);
}
.footer-brand .logo:hover { color: var(--c-accent); }
.footer-brand p {
  max-width: 280px;
  margin: 0 0 16px;
  color: var(--c-muted-inverse);
  font-size: 14px;
}
.footer-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.footer-tags span {
  padding: 4px 10px;
  border: 1px solid var(--c-accent-30);
  border-radius: var(--radius-pill);
  color: var(--c-accent);
  background: var(--c-accent-16);
  font-size: 12px;
}
.site-footer h3 {
  margin-bottom: 16px;
  color: var(--c-inverse);
  font-size: 15px;
  font-weight: 700;
}
.site-footer ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.site-footer a {
  color: var(--c-muted-inverse);
  font-size: 14px;
  transition: color .2s ease;
}
.site-footer a:hover { color: var(--c-accent); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  padding-top: 20px;
  color: var(--c-muted-inverse);
  font-size: 13px;
}
.footer-bottom p { margin: 0; }
.mobile-buy-bar { display: none; }
.form-control {
  padding: 12px 16px;
  border: 1px solid var(--c-border);
  border-radius: 14px;
}
.form-control:focus {
  border-color: var(--c-brand);
  box-shadow: 0 0 0 3px var(--c-brand-16);
}
.card { border-color: var(--c-border); border-radius: var(--radius-md); }
.badge { border-radius: var(--radius-pill); }
.btn-close { opacity: .6; }
.visually-hidden-focusable:not(:focus):not(:focus-within) {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}
@media (max-width: 1199.98px) {
  .dock-nav { gap: 16px; }
  .dock-search { width: 160px; }
}
@media (max-width: 991.98px) {
  .dock-search { display: none; }
  .dock-inner { gap: 16px; }
  .section { padding: 64px 0; }
  .section-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }
  .hero-section { padding-top: 110px; }
  .portrait-wrap { margin: 28px auto 0; }
  .portrait-card { max-width: 300px; }
  .cta-panel { padding: 40px; }
}
@media (max-width: 767.98px) {
  .container { padding-left: 20px; padding-right: 20px; }
  .dock-nav, .btn-dock { display: none; }
  .dock-burger { display: inline-flex; }
  .dock-inner { padding: 10px 12px; }
  .logo-text { font-size: 16px; }
  .section { padding: 48px 0; }
  .hero-section {
    padding: 100px 0 52px;
    background-color: var(--c-bg);
    background-image: radial-gradient(circle, var(--c-brand-08) 1px, transparent 1px);
    background-size: 18px 18px;
  }
  .hero-actions .btn { flex: 1 1 auto; }
  .hero-subtitle { font-size: 17px; }
  .review-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
  .review-track {
    margin-right: -20px;
    padding-right: 20px;
  }
  .review-card { flex-basis: 78vw; }
  .clip-grid {
    display: flex;
    flex-wrap: nowrap;
    gap: 16px;
    overflow-x: auto;
    margin-left: -20px;
    margin-right: -20px;
    padding: 0 20px 12px;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
  }
  .clip-grid > [class*="col-"] {
    flex: 0 0 68vw;
    max-width: 68vw;
    padding: 0;
    scroll-snap-align: start;
  }
  .checklist-grid { grid-template-columns: 1fr; }
  .checklist-item { grid-template-columns: 40px minmax(0, 1fr) auto; gap: 12px; }
  .list-index { font-size: 36px; }
  .pill-btn { padding: 7px 12px; }
  .cta-panel {
    align-items: flex-start;
    flex-direction: column;
    padding: 32px 24px;
  }
  .cta-actions { width: 100%; }
  .cta-actions .btn { flex: 1 1 auto; }
  .footer-bottom { flex-direction: column; }
  body { padding-bottom: 80px; }
  .mobile-buy-bar {
    position: fixed;
    right: 12px;
    bottom: 12px;
    left: 12px;
    z-index: 1040;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    padding: 8px 10px 8px 18px;
    border: 1px solid var(--c-dark-border);
    border-radius: 20px;
    color: var(--c-inverse);
    background: var(--c-ink-bg);
    box-shadow: var(--c-shadow-dock);
  }
  .mobile-buy-bar span {
    color: var(--c-muted-inverse);
    font-size: 13px;
  }
  .mobile-buy-bar .btn { min-height: 44px; }
}
@media (max-width: 575.98px) {
  .hero-actions .btn { width: 100%; }
  .footer-main > [class*="col-"] {
    flex: 0 0 100%;
    max-width: 100%;
  }
  .review-card { flex-basis: 82vw; }
  .section-head h2 { font-size: 24px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: article */
:root{
  --c-brand:#5B3DF5;
  --c-brand-deep:#3F27C4;
  --c-accent:#C8F751;
  --c-warm:#FF7A45;
  --c-bg:#F6F4FF;
  --c-surface:#FFFFFF;
  --c-tint:#EDE9FE;
  --c-ink-bg:#16121F;
  --c-text:#171328;
  --c-text-2:#5A5470;
  --c-reverse:#F3F0FF;
  --line:1px solid rgba(91,61,245,.12);
  --line-dark:1px solid rgba(255,255,255,.10);
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:20px;
  --radius-xl:28px;
  --radius-pill:999px;
  --shadow-1:0 6px 24px rgba(23,19,40,.06);
  --shadow-2:0 14px 36px rgba(91,61,245,.16);
  --shadow-stuck:0 10px 30px rgba(23,19,40,.12);
  --space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;
  --space-5:24px;--space-6:40px;--space-7:64px;--space-8:96px;
  --bs-primary:#5B3DF5;
  --bs-body-bg:#F6F4FF;
  --bs-body-color:#171328;
  --bs-border-color:rgba(91,61,245,.12);
  --bs-border-radius:16px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding-top:96px;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-brand)}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--c-text);letter-spacing:.01em}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1400px){.container{max-width:1320px}}
:focus-visible{outline:3px solid rgba(91,61,245,.55);outline-offset:2px;border-radius:6px}

/* ============ Dock 导航 ============ */
.site-head{
  position:fixed;top:14px;left:0;right:0;z-index:1030;
  padding:0 20px;transition:top .25s ease;
}
.dock{
  max-width:1080px;margin:0 auto;
  display:flex;align-items:center;gap:20px;
  padding:10px 14px 10px 18px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:var(--line);
  border-radius:22px;
  box-shadow:var(--shadow-1);
  transition:background .25s ease,box-shadow .25s ease,transform .25s ease;
}
.site-head.is-stuck .dock{
  background:rgba(255,255,255,.94);
  box-shadow:var(--shadow-stuck);
  transform:scale(.96);
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17px;font-weight:800;color:var(--c-text);
  flex:none;
}
.logo:hover{color:var(--c-text)}
.logo-mark{
  position:relative;width:32px;height:32px;flex:none;
  border-radius:10px;
  background:linear-gradient(135deg,var(--c-brand),var(--c-brand-deep));
  display:grid;place-items:center;
  color:#FFFFFF;font-size:16px;font-weight:800;line-height:1;
}
.logo-pixel{
  position:absolute;right:-3px;bottom:-3px;width:11px;height:11px;
  border-radius:3px;background:var(--c-accent);border:2px solid #FFFFFF;
}
.logo-text{white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:22px;margin-left:auto}
.dock-nav a{
  position:relative;display:inline-block;
  padding:6px 2px;font-size:15px;font-weight:600;color:var(--c-text-2);
}
.dock-nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;
  background:var(--c-accent);border-radius:2px;transition:right .22s ease;
}
.dock-nav a:hover{color:var(--c-brand)}
.dock-nav a:hover::after,.dock-nav a.active::after{right:0}
.dock-nav a.active{color:var(--c-brand)}
.dock-actions{display:flex;align-items:center;gap:10px;flex:none}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border:none;
  border-radius:var(--radius-pill);
  background:var(--c-accent);color:#16121F;
  font-size:15px;font-weight:700;line-height:1;
  box-shadow:0 6px 18px rgba(200,247,81,.38);
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
}
.btn-brand:hover{color:#16121F;transform:translateY(-2px);box-shadow:0 12px 26px rgba(200,247,81,.46)}
.btn-brand:active{transform:translateY(-1px)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;
  border:1.5px solid var(--c-brand);border-radius:var(--radius-pill);
  background:var(--c-surface);color:var(--c-brand);
  font-size:15px;font-weight:700;line-height:1;
  transition:background .2s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-ghost:hover{background:var(--c-tint);color:var(--c-brand-deep);transform:translateY(-2px)}
.btn-quiet{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  min-height:40px;padding:0 16px;
  border:var(--line);border-radius:var(--radius-pill);
  background:var(--c-surface);color:var(--c-text-2);
  font-size:13.5px;font-weight:600;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.btn-quiet:hover{color:var(--c-brand);border-color:rgba(91,61,245,.4);background:var(--c-tint)}
.dock-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;padding:0;
  border:var(--line);border-radius:14px;
  background:var(--c-surface);color:var(--c-text);
}
.dock-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.dock-toggle span::before,.dock-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
}
.dock-toggle span::before{top:-6px}
.dock-toggle span::after{top:6px}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:1040;
  display:flex;flex-direction:column;
  padding:22px 20px 32px;
  background:#FFFFFF;
  opacity:0;transform:translateY(-14px);pointer-events:none;
  transition:opacity .22s ease,transform .22s ease;
}
.drawer.is-open{opacity:1;transform:none;pointer-events:auto}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-close{
  width:44px;height:44px;border:var(--line);border-radius:14px;
  background:var(--c-surface);color:var(--c-text);font-size:20px;line-height:1;
}
.drawer-links{display:grid;gap:6px;margin-bottom:auto}
.drawer-links a{
  display:block;padding:14px 4px;
  font-size:22px;font-weight:800;color:var(--c-text);
  border-bottom:1px dashed rgba(91,61,245,.18);
}
.drawer-links a:hover{color:var(--c-brand)}
.drawer-cta{margin-top:26px;display:grid;gap:10px}
.drawer-cta .btn-brand,.drawer-cta .btn-ghost{width:100%}

/* ============ 面包屑 ============ */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:22px 0 0;
  font-size:13px;color:var(--c-text-2);
}
.crumbs a{color:var(--c-text-2)}
.crumbs a:hover{color:var(--c-brand)}
.crumbs .sep{opacity:.45}
.crumbs .current{
  max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  opacity:.9;
}

/* ============ 文章头 ============ */
.article-head{padding:20px 0 6px}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--radius-pill);
  background:var(--c-tint);color:var(--c-brand-deep);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.article-head h1{
  margin:16px 0 16px;
  font-size:clamp(26px,3.6vw,36px);
  font-weight:800;line-height:1.32;
  letter-spacing:.01em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  padding-bottom:22px;
  border-bottom:1px dashed rgba(91,61,245,.2);
  font-size:13.5px;color:var(--c-text-2);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(91,61,245,.35)}
.article-meta .meta-right{margin-left:auto;display:flex;gap:8px}

/* ============ 文章主体布局 ============ */
.article-main{padding:34px 0 8px}
.article-body{
  max-width:760px;
  font-size:17px;line-height:1.9;color:var(--c-text);
  word-break:break-word;
}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;
  margin:40px 0 16px;
  padding-left:16px;
  font-size:clamp(21px,2.4vw,27px);
  font-weight:700;line-height:1.4;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.42em;
  width:4px;height:22px;border-radius:2px;background:var(--c-brand);
}
.article-body h3{margin:28px 0 12px;font-size:19px;font-weight:600;line-height:1.5}
.article-body h4{margin:22px 0 10px;font-size:17px;font-weight:700}
.article-body a{color:var(--c-brand);border-bottom:1px solid rgba(91,61,245,.32)}
.article-body a:hover{color:var(--c-brand-deep);border-bottom-color:var(--c-brand-deep)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.42em 0}
.article-body strong{font-weight:700}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  background:var(--c-tint);
  border-left:4px solid var(--c-brand);
  border-radius:12px;
  color:var(--c-text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:24px auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--c-text-2);text-align:center;margin-top:10px}
.article-body table{
  display:block;width:100%;overflow-x:auto;
  border-collapse:collapse;margin:24px 0;
  font-size:15px;line-height:1.75;
}
.article-body thead{background:var(--c-tint)}
.article-body th,.article-body td{
  padding:10px 14px;border:1px solid rgba(91,61,245,.14);text-align:left;white-space:nowrap;
}
.article-body hr{border:none;border-top:1px dashed rgba(91,61,245,.24);margin:34px 0}
.article-body code{
  background:var(--c-tint);border-radius:6px;padding:1px 6px;
  font-size:14px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.notice-box{
  background:var(--c-surface);
  border:var(--line);border-radius:var(--radius-lg);
  padding:44px 28px;text-align:center;box-shadow:var(--shadow-1);
  max-width:760px;
}
.notice-box .notice-title{font-size:20px;font-weight:700;margin-bottom:8px}
.notice-box p{font-size:14.5px;color:var(--c-text-2);margin-bottom:20px}

/* ============ 侧栏 ============ */
.side-col{position:sticky;top:100px;align-self:flex-start}
.side-card{
  background:var(--c-surface);
  border:var(--line);border-radius:var(--radius-lg);
  padding:22px;box-shadow:var(--shadow-1);
  margin-bottom:20px;
}
.side-card h2{
  font-size:15px;font-weight:800;letter-spacing:.02em;
  margin-bottom:12px;
}
.side-card p{font-size:13.5px;line-height:1.8;color:var(--c-text-2);margin-bottom:16px}
.side-card .btn-brand,.side-card .btn-ghost{width:100%}
.side-list{display:grid;gap:2px}
.side-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 0;
  font-size:14px;font-weight:600;color:var(--c-text);
  border-bottom:1px dashed rgba(91,61,245,.16);
}
.side-list a:last-child{border-bottom:none}
.side-list a::before{
  content:"";width:6px;height:6px;border-radius:2px;
  background:var(--c-brand);opacity:.55;flex:none;
}
.side-list a:hover{color:var(--c-brand)}
.side-note{font-size:12.5px;color:var(--c-text-2);opacity:.9;line-height:1.8}

/* ============ 文末标签与翻页 ============ */
.article-foot{max-width:760px;margin-top:40px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:26px}
.tag-row .tag-label{font-size:13px;color:var(--c-text-2);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:var(--radius-pill);
  background:var(--c-surface);border:var(--line);
  font-size:12.5px;font-weight:600;color:var(--c-text-2);
  transition:all .2s ease;
}
.tag:hover{background:var(--c-tint);color:var(--c-brand-deep);border-color:rgba(91,61,245,.3)}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:26px}
.pager-item{
  display:block;padding:16px 18px;
  background:var(--c-surface);border:var(--line);
  border-radius:var(--radius-md);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pager-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(91,61,245,.3)}
.pager-item span{display:block;font-size:12px;color:var(--c-text-2);margin-bottom:4px}
.pager-item strong{font-size:15.5px;font-weight:700;line-height:1.5}
.article-foot .back-row{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 相关推荐 ============ */
.rec-section{padding:64px 0 0}
.section-head{display:flex;align-items:flex-end;gap:16px;margin-bottom:26px}
.section-head h2{
  position:relative;padding-left:16px;
  font-size:clamp(21px,2.4vw,26px);font-weight:700;line-height:1.4;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.4em;width:4px;height:22px;
  border-radius:2px;background:var(--c-brand);
}
.section-head .more{margin-left:auto;font-size:14px;font-weight:600;color:var(--c-brand)}
.section-head .more:hover{color:var(--c-brand-deep)}
.rec-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-surface);border:var(--line);
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);color:inherit}
.rec-thumb{
  width:100%;aspect-ratio:16/10;object-fit:cover;display:block;
  background:var(--c-tint);
}
.rec-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1}
.rec-body h3{font-size:16.5px;font-weight:700;line-height:1.55;margin-bottom:8px}
.rec-card:hover h3{color:var(--c-brand)}
.rec-body p{font-size:13.5px;line-height:1.8;color:var(--c-text-2);margin-bottom:14px}
.rec-link{margin-top:auto;font-size:13.5px;font-weight:700;color:var(--c-brand);display:inline-flex;align-items:center;gap:6px}
.rec-link .arrow{transition:transform .2s ease}
.rec-card:hover .rec-link .arrow{transform:translateX(4px)}

/* ============ CTA ============ */
.cta-band{
  margin:72px 0 0;
  padding:52px 32px;
  background:var(--c-ink-bg);
  border-radius:var(--radius-xl);
  text-align:center;
  color:var(--c-reverse);
  box-shadow:0 20px 50px rgba(23,19,40,.18);
}
.cta-band h2{color:#FFFFFF;font-size:clamp(21px,2.6vw,28px);font-weight:800;line-height:1.4;margin-bottom:12px}
.cta-band p{max-width:560px;margin:0 auto 26px;font-size:14.5px;line-height:1.9;color:rgba(243,240,255,.72)}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.cta-band .btn-ghost{background:transparent;color:var(--c-reverse);border-color:rgba(255,255,255,.5)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.1);color:#FFFFFF;border-color:rgba(255,255,255,.8)}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:80px;
  padding:64px 0 28px;
  background:var(--c-ink-bg);
  color:#C9C3DF;
  border-top:1px solid rgba(255,255,255,.1);
}
.footer-main{padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .logo{color:#FFFFFF;margin-bottom:14px}
.footer-brand .logo:hover{color:#FFFFFF}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(243,240,255,.66);margin-bottom:16px;max-width:280px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{
  padding:4px 12px;border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,.16);
  font-size:12px;color:rgba(243,240,255,.72);
}
.site-footer h3{font-size:15px;font-weight:700;color:#F3F0FF;margin-bottom:14px}
.site-footer ul{display:grid;gap:10px}
.site-footer ul a{font-size:14px;color:rgba(243,240,255,.68)}
.site-footer ul a:hover{color:var(--c-accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  padding-top:22px;
  font-size:12.5px;color:rgba(243,240,255,.5);
}
.footer-bottom p{margin:0}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .side-col{position:static;top:auto;margin-top:36px}
  .article-body{max-width:none}
  .article-foot{max-width:none}
}
@media (max-width:992px){
  .dock-nav{gap:16px}
  .dock-nav a{font-size:14.5px}
  .section-head{gap:12px}
}
@media (max-width:768px){
  body{padding-top:88px}
  .container{padding-left:20px;padding-right:20px}
  .site-head{padding:0 14px;top:10px}
  .dock{padding:9px 10px 9px 14px;border-radius:20px;gap:12px}
  .dock-nav{display:none}
  .dock-actions .btn-brand{display:none}
  .dock-toggle{display:inline-flex}
  .article-head h1{margin:14px 0 12px}
  .article-meta{gap:10px;font-size:13px}
  .article-meta .meta-right{margin-left:0;width:100%}
  .article-main{padding:26px 0 4px}
  .article-body{font-size:16px}
  .article-body h2{font-size:21px}
  .pager{grid-template-columns:1fr}
  .rec-section{padding:48px 0 0}
  .cta-band{margin-top:52px;padding:38px 22px;border-radius:22px}
  .site-footer{margin-top:56px;padding:48px 0 24px}
  .footer-main{padding-bottom:26px}
  .site-footer ul{gap:8px}
}
@media (max-width:576px){
  .article-meta .meta-right{display:flex;flex-wrap:wrap}
  .crumbs .current{max-width:100%;white-space:normal}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category1 */
:root{
  --c-brand:#5B3DF5;
  --c-brand-deep:#3F27C4;
  --c-accent:#C8F751;
  --c-warm:#FF7A45;
  --c-bg:#F6F4FF;
  --c-surface:#FFFFFF;
  --c-tint:#EDE9FE;
  --c-ink-bg:#16121F;
  --c-text:#171328;
  --c-text-2:#5A5470;
  --c-invert:#F3F0FF;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:20px;
  --radius-xl:28px;
  --radius-pill:999px;
  --line:1px solid rgba(91,61,245,.12);
  --line-invert:1px solid rgba(255,255,255,.10);
  --shadow-sm:0 6px 24px rgba(23,19,40,.06);
  --shadow-hover:0 14px 36px rgba(91,61,245,.16);
  --shadow-dock:0 10px 30px rgba(23,19,40,.12);
  --space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;
  --space-5:24px;--space-6:40px;--space-7:64px;--space-8:96px;
  --bs-primary:#5B3DF5;
  --bs-body-bg:#F6F4FF;
  --bs-body-color:#171328;
  --bs-border-radius:16px;
  --bs-link-color:#5B3DF5;
  --bs-link-hover-color:#3F27C4;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease;}
a:hover{color:var(--c-brand);}
h1,h2,h3,h4,p,figure{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid var(--c-brand);outline-offset:3px;}
.container{
  width:100%;
  max-width:1200px!important;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1400px){
  .container{max-width:1320px!important;}
}
section[id],div[id]{scroll-margin-top:120px;}

/* ---------- Dock 导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  padding:16px 20px 0;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  max-width:1080px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:20px;
  padding:11px 16px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid rgba(91,61,245,.14);
  border-radius:22px;
  box-shadow:var(--shadow-sm);
  transition:background .25s ease,box-shadow .25s ease,transform .25s ease;
}
.dock.is-stuck{
  background:rgba(255,255,255,.94);
  box-shadow:var(--shadow-dock);
  transform:scale(.96);
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  position:relative;
  width:32px;height:32px;
  border-radius:9px;
  background:var(--c-brand);
  overflow:hidden;
  flex:0 0 auto;
}
.logo-mark::before{
  content:"";position:absolute;left:6px;top:6px;
  width:8px;height:8px;border-radius:2px;background:rgba(255,255,255,.92);
}
.logo-mark::after{
  content:"";position:absolute;left:6px;bottom:6px;
  width:19px;height:8px;border-radius:2px;background:rgba(255,255,255,.72);
}
.logo-pixel{
  position:absolute;right:5px;top:5px;
  width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);
}
.logo-text{
  font-size:17px;
  font-weight:800;
  letter-spacing:.01em;
  color:var(--c-text);
  white-space:nowrap;
  transition:color .22s ease;
}
.logo:hover .logo-text{color:var(--c-brand);}

.dock-nav{display:flex;align-items:center;gap:4px;margin:0 auto;}
.dock-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 14px;
  font-size:15px;
  font-weight:600;
  color:var(--c-text-2);
  border-radius:12px;
}
.dock-nav a::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:8px;
  height:2px;border-radius:2px;
  background:var(--c-accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .24s ease;
}
.dock-nav a:hover{color:var(--c-brand);}
.dock-nav a:hover::after,
.dock-nav a.active::after{transform:scaleX(1);}
.dock-nav a.active{color:var(--c-text);}

.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.hamburger{
  width:44px;height:44px;
  display:none;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  background:var(--c-surface);
  border:var(--line);
  border-radius:12px;
  cursor:pointer;
}
.hamburger span{
  display:block;width:18px;height:2px;
  border-radius:2px;background:var(--c-text);
}

/* ---------- 按钮 ---------- */
.btn-lime{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:12px 26px;
  border:0;
  border-radius:var(--radius-pill);
  background:var(--c-accent);
  color:#171328;
  font-size:15px;
  font-weight:700;
  line-height:1.4;
  cursor:pointer;
  box-shadow:0 8px 20px rgba(200,247,81,.32);
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-lime:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(200,247,81,.44);color:#171328;}
.btn-lime:active{transform:translateY(1px);}
.btn-outline{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:12px 26px;
  border:1.5px solid var(--c-brand);
  border-radius:var(--radius-pill);
  background:var(--c-surface);
  color:var(--c-brand);
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:background .2s ease,transform .2s ease;
}
.btn-outline:hover{background:var(--c-tint);color:var(--c-brand-deep);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(1px);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:0 18px;
  border:var(--line);
  border-radius:var(--radius-pill);
  background:var(--c-surface);
  color:var(--c-text-2);
  font-size:14px;
  font-weight:600;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.btn-ghost:hover{color:var(--c-brand);border-color:var(--c-brand);background:var(--c-tint);}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:700;
  color:var(--c-brand);
  position:relative;
  padding-bottom:2px;
}
.link-more::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:0;height:2px;border-radius:2px;
  background:var(--c-brand);
  transition:width .24s ease;
}
.link-more:hover::after{width:100%;}

/* ---------- 页首标题带 ---------- */
.page-hero{
  position:relative;
  padding:152px 0 0;
  background-image:
    linear-gradient(180deg,rgba(246,244,255,.90),rgba(246,244,255,.98)),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid rgba(91,61,245,.10);
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-120px;top:-60px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(91,61,245,.12),rgba(91,61,245,0) 70%);
  pointer-events:none;
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--c-text-2);
  margin-bottom:18px;
}
.crumb a{color:var(--c-text-2);}
.crumb a:hover{color:var(--c-brand);}
.crumb .cur{color:rgba(90,84,112,.7);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 14px;
  margin-bottom:18px;
  border-radius:var(--radius-pill);
  background:rgba(91,61,245,.09);
  color:var(--c-brand-deep);
  font-size:13px;
  font-weight:700;
}
.eyebrow i{
  width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);
  display:inline-block;
}
.page-hero h1{
  font-size:clamp(26px,3.8vw,40px);
  font-weight:800;
  line-height:1.28;
  letter-spacing:.01em;
  max-width:860px;
  color:var(--c-text);
}
.page-hero .hero-sub{
  margin-top:16px;
  max-width:700px;
  font-size:16px;
  line-height:1.9;
  color:var(--c-text-2);
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.hero-meta span{
  display:inline-flex;
  align-items:center;
  height:32px;
  padding:0 14px;
  border-radius:var(--radius-pill);
  background:var(--c-surface);
  border:var(--line);
  font-size:13px;
  font-weight:600;
  color:var(--c-text-2);
}

/* ---------- 分类 chip ---------- */
.chip-bar{
  padding:24px 0 28px;
  border-top:1px solid rgba(91,61,245,.10);
  margin-top:40px;
  background:rgba(255,255,255,.55);
}
.chip-row{
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  padding:2px 0 6px;
  scrollbar-width:none;
}
.chip-row::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 16px;
  border:1px solid rgba(91,61,245,.18);
  border-radius:var(--radius-pill);
  background:var(--c-surface);
  color:var(--c-text-2);
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{background:var(--c-tint);border-color:var(--c-brand);color:var(--c-brand);}
.chip.is-active{background:var(--c-brand);border-color:var(--c-brand);color:#fff;}
.chip.is-active:hover{color:#fff;}

/* ---------- 区块 ---------- */
.section{padding:72px 0;}
.section-tight{padding:0 0 72px;}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:32px;
  flex-wrap:wrap;
}
.sec-head h2{
  position:relative;
  padding-left:16px;
  font-size:clamp(21px,2.4vw,28px);
  font-weight:700;
  line-height:1.4;
}
.sec-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;
  width:4px;height:24px;
  border-radius:2px;
  background:var(--c-brand);
}
.sec-head .sec-desc{
  margin-top:8px;
  padding-left:16px;
  font-size:14px;
  color:var(--c-text-2);
  max-width:560px;
}

/* ---------- 横向图文卡 ---------- */
.hcard{
  display:grid;
  grid-template-columns:236px 1fr;
  background:var(--c-surface);
  border:var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  margin-bottom:20px;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.hcard:last-child{margin-bottom:0;}
.hcard:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(91,61,245,.28);
  color:inherit;
}
.hcard-media{
  position:relative;
  overflow:hidden;
  background:var(--c-tint);
}
.hcard-media img{
  width:100%;
  height:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .4s ease;
}
.hcard:hover .hcard-media img{transform:scale(1.04);}
.dur{
  position:absolute;
  right:10px;bottom:10px;
  padding:3px 10px;
  border-radius:var(--radius-pill);
  background:rgba(22,18,31,.78);
  color:var(--c-invert);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
}
.hcard-body{padding:20px 22px;}
.hcard-body h3{
  margin:10px 0 8px;
  font-size:18px;
  font-weight:700;
  line-height:1.55;
  transition:color .22s ease;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.hcard:hover .hcard-body h3{color:var(--c-brand);}
.hcard-body p{
  font-size:14px;
  line-height:1.8;
  color:var(--c-text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.hcard-foot{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  margin-top:14px;
  padding-top:12px;
  border-top:1px dashed rgba(91,61,245,.16);
  font-size:13px;
  color:var(--c-text-2);
}
.hcard-foot b{color:var(--c-text);font-weight:700;}
.tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:var(--radius-pill);
  background:var(--c-tint);
  color:var(--c-brand-deep);
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
}
.tag-warm{background:rgba(255,122,69,.13);color:#BF4A19;}

/* ---------- 侧栏 ---------- */
.panel{
  background:var(--c-surface);
  border:var(--line);
  border-radius:var(--radius-md);
  padding:22px;
  margin-bottom:20px;
  box-shadow:var(--shadow-sm);
}
.panel:last-child{margin-bottom:0;}
.panel h2{
  position:relative;
  padding-left:12px;
  font-size:16px;
  font-weight:700;
  line-height:1.5;
  margin-bottom:14px;
}
.panel h2::before{
  content:"";
  position:absolute;
  left:0;top:3px;
  width:4px;height:16px;
  border-radius:2px;
  background:var(--c-brand);
}
.panel .chips{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.panel .chips a{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 13px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(91,61,245,.16);
  background:var(--c-surface);
  font-size:13px;
  font-weight:600;
  color:var(--c-text-2);
}
.panel .chips a:hover{background:var(--c-tint);border-color:var(--c-brand);color:var(--c-brand);}
.filter-list li a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  min-height:44px;
  padding:0 2px;
  font-size:14px;
  color:var(--c-text-2);
  border-bottom:1px dashed rgba(91,61,245,.16);
  transition:color .2s ease,padding-left .2s ease;
}
.filter-list li:last-child a{border-bottom:0;}
.filter-list li a:hover{color:var(--c-brand);padding-left:6px;}
.filter-list .count{font-size:12px;color:rgba(90,84,112,.7);}
.panel-dark{
  background:var(--c-ink-bg);
  border:var(--line-invert);
  color:var(--c-invert);
}
.panel-dark h2{color:var(--c-invert);}
.panel-dark h2::before{background:var(--c-accent);}
.panel-dark p{
  font-size:14px;
  line-height:1.9;
  color:rgba(243,240,255,.72);
  margin-bottom:16px;
}
.panel-dark .btn-lime{width:100%;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:840px;}
.faq .accordion-item{
  background:transparent;
  border:0;
  border-radius:0;
  border-bottom:1px dashed rgba(91,61,245,.18);
}
.faq .accordion-item:first-child{border-top:1px dashed rgba(91,61,245,.18);}
.faq .accordion-button{
  position:relative;
  padding:22px 0 22px 20px;
  background:transparent;
  border:0;
  border-radius:0!important;
  box-shadow:none;
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  color:var(--c-text);
}
.faq .accordion-button:not(.collapsed){
  background:transparent;
  color:var(--c-brand);
  box-shadow:none;
}
.faq .accordion-button:focus{box-shadow:none;z-index:1;}
.faq .accordion-button::before{
  content:"";
  position:absolute;
  left:0;top:30px;
  width:4px;height:0;
  border-radius:2px;
  background:var(--c-accent);
  transition:height .25s ease;
}
.faq .accordion-button:not(.collapsed)::before{height:18px;}
.faq .accordion-button::after{
  content:"+";
  display:flex;
  align-items:center;
  justify-content:center;
  width:28px;height:28px;
  border-radius:50%;
  background:var(--c-tint);
  background-image:none;
  background-size:auto;
  color:var(--c-brand-deep);
  font-size:18px;
  font-weight:700;
  line-height:1;
  transform:none;
  transition:background .2s ease,color .2s ease;
}
.faq .accordion-button:not(.collapsed)::after{
  content:"−";
  background:var(--c-brand);
  color:#fff;
  transform:none;
}
.faq .accordion-body{
  padding:0 0 24px 20px;
  font-size:15px;
  line-height:1.9;
  color:var(--c-text-2);
}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;
  background:var(--c-ink-bg);
  color:var(--c-invert);
  padding:64px 0;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-100px;top:-100px;
  width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(91,61,245,.38),rgba(91,61,245,0) 70%);
  pointer-events:none;
}
.cta-band .cta-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{
  font-size:clamp(21px,2.6vw,30px);
  font-weight:800;
  line-height:1.35;
  margin-bottom:10px;
}
.cta-band p{
  font-size:15px;
  line-height:1.9;
  color:rgba(243,240,255,.72);
  max-width:560px;
}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-band .btn-outline{
  background:transparent;
  border-color:rgba(243,240,255,.4);
  color:var(--c-invert);
}
.cta-band .btn-outline:hover{
  background:rgba(243,240,255,.10);
  border-color:var(--c-invert);
  color:var(--c-invert);
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-ink-bg);
  color:var(--c-invert);
  padding:64px 0 28px;
  border-top:1px solid rgba(255,255,255,.1);
}
.footer-main{padding-bottom:40px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text{color:var(--c-invert);}
.footer-brand .logo:hover .logo-text{color:var(--c-accent);}
.footer-brand p{
  font-size:14px;
  line-height:1.9;
  color:rgba(243,240,255,.66);
  max-width:300px;
}
.footer-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px;}
.footer-tags span{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);
  font-size:12px;
  color:rgba(243,240,255,.78);
}
.site-footer h3{
  font-size:14px;
  font-weight:700;
  color:var(--c-invert);
  margin-bottom:14px;
  letter-spacing:.04em;
}
.site-footer ul li{margin-bottom:4px;}
.site-footer ul li a{
  display:inline-flex;
  align-items:center;
  min-height:36px;
  font-size:14px;
  color:rgba(243,240,255,.66);
  transition:color .2s ease;
}
.site-footer ul li a:hover{color:var(--c-accent);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
}
.footer-bottom p{
  font-size:13px;
  color:rgba(243,240,255,.5);
  margin:0;
}

/* ---------- 移动菜单 ---------- */
.menu-panel{
  background:var(--c-surface);
  --bs-offcanvas-width:320px;
}
.menu-panel .offcanvas-header{border-bottom:var(--line);padding:18px 20px;}
.menu-panel .offcanvas-header .logo-text{font-size:16px;}
.menu-panel .offcanvas-body{padding:20px;}
.m-link{
  display:flex;
  align-items:center;
  min-height:54px;
  padding:0 8px;
  font-size:18px;
  font-weight:700;
  color:var(--c-text);
  border-bottom:1px dashed rgba(91,61,245,.16);
}
.m-link:hover{color:var(--c-brand);}
.m-link.active{color:var(--c-brand);}
.menu-panel .btn-lime{width:100%;margin-top:24px;}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .hcard{grid-template-columns:210px 1fr;}
}
@media (max-width:992px){
  .section{padding:56px 0;}
  .page-hero{padding-top:136px;}
  .hcard{grid-template-columns:190px 1fr;}
  .hcard-body{padding:18px;}
  .hcard-body h3{font-size:17px;}
  .cta-band{padding:52px 0;}
}
@media (max-width:768px){
  .container{padding-left:20px;padding-right:20px;}
  .site-header{padding:12px 14px 0;}
  .dock{padding:9px 12px;gap:12px;border-radius:20px;}
  .dock-nav{display:none;}
  .hamburger{display:flex;}
  .dock-actions .btn-ghost{display:none!important;}
  .page-hero{padding-top:124px;}
  .page-hero .hero-sub{font-size:15px;}
  .chip-bar{margin-top:28px;padding:20px 0 24px;}
  .section{padding:48px 0;}
  .sec-head{margin-bottom:24px;}
  .hcard{grid-template-columns:1fr;}
  .hcard-media img{aspect-ratio:16/9;}
  .hcard:hover{transform:none;}
  .cta-band .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .site-footer{padding-top:48px;}
}
@media (max-width:576px){
  .page-hero h1{font-size:26px;}
  .hero-meta span{font-size:12px;padding:0 11px;}
  .hcard-body h3{font-size:16px;}
  .hcard-body p{font-size:13px;}
  .hcard-foot{font-size:12px;gap:10px;}
  .faq .accordion-button{font-size:16px;padding:18px 0 18px 18px;}
  .faq .accordion-button::before{top:26px;}
  .faq .accordion-body{padding:0 0 20px 18px;font-size:14px;}
}

/* roulang page: category2 */
:root{
  --c-brand:#5B3DF5;
  --c-brand-deep:#3F27C4;
  --c-accent:#C8F751;
  --c-warm:#FF7A45;
  --c-bg:#F6F4FF;
  --c-surface:#FFFFFF;
  --c-tint:#EDE9FE;
  --c-ink-bg:#16121F;
  --c-text:#171328;
  --c-text-2:#5A5470;
  --c-reverse:#F3F0FF;
  --c-line:rgba(91,61,245,.12);
  --c-line-dark:rgba(255,255,255,.10);
  --c-dash:rgba(91,61,245,.22);

  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:20px;
  --radius-xl:28px;
  --radius-pill:999px;

  --shadow-1:0 6px 24px rgba(23,19,40,.06);
  --shadow-2:0 14px 36px rgba(91,61,245,.16);
  --shadow-dock:0 10px 30px rgba(23,19,40,.12);

  --space-1:4px;
  --space-2:8px;
  --space-3:12px;
  --space-4:16px;
  --space-5:24px;
  --space-6:40px;
  --space-7:64px;
  --space-8:96px;

  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;

  --bs-primary:#5B3DF5;
  --bs-primary-rgb:91,61,245;
  --bs-body-color:#171328;
  --bs-body-bg:#F6F4FF;
  --bs-border-color:rgba(91,61,245,.12);
  --bs-border-radius:16px;
  --bs-link-color:#5B3DF5;
  --bs-link-hover-color:#3F27C4;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:96px;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--c-brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-brand-deep);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;color:var(--c-text);font-weight:700;line-height:1.35;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(91,61,245,.45);outline-offset:2px;border-radius:6px;}

.container,
.container-sm,
.container-md,
.container-lg,
.container-xl{
  width:100%;
  max-width:1200px;
  margin-left:auto;
  margin-right:auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1400px){
  .container,.container-sm,.container-md,.container-lg,.container-xl{max-width:1320px;}
}

/* ============ 顶部悬浮 Dock ============ */
.site-head{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:1030;
  padding:0 20px;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  max-width:1080px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  padding:12px 18px 10px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid var(--c-line);
  border-radius:22px;
  box-shadow:var(--shadow-1);
  transition:background .24s ease,box-shadow .24s ease,transform .24s ease;
  transform-origin:center top;
}
.dock.is-stuck{
  background:rgba(255,255,255,.94);
  box-shadow:var(--shadow-dock);
  transform:scale(.96);
}

.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:none;
  color:var(--c-text);
  text-decoration:none;
}
.logo:hover{color:var(--c-text);}
.logo-mark{
  position:relative;
  width:32px;
  height:32px;
  flex:none;
  border-radius:9px;
  background:linear-gradient(145deg,var(--c-brand),var(--c-brand-deep));
  display:grid;
  place-items:center;
  box-shadow:0 4px 12px rgba(91,61,245,.28);
}
.logo-pixel{
  position:absolute;
  right:-3px;
  top:-3px;
  width:10px;
  height:10px;
  border-radius:3px;
  background:var(--c-accent);
  border:2px solid #fff;
}
.logo-text{
  font-size:18px;
  font-weight:800;
  letter-spacing:.01em;
  line-height:1.2;
  white-space:nowrap;
}

.dock-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
  flex-wrap:nowrap;
}
.dock-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:38px;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:600;
  color:var(--c-text-2);
  text-decoration:none;
  transition:color .18s ease,background .18s ease;
}
.dock-nav a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  transform:translateX(-50%);
  width:0;
  height:2px;
  border-radius:2px;
  background:var(--c-accent);
  transition:width .2s ease;
}
.dock-nav a:hover,
.dock-nav a:focus-visible{color:var(--c-brand);}
.dock-nav a:hover::after,
.dock-nav a:focus-visible::after{width:18px;}
.dock-nav a.active{color:var(--c-brand);}
.dock-nav a.active::after{width:18px;}

.dock-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:none;
}
.dock-search{
  width:40px;
  height:40px;
  display:grid;
  place-items:center;
  border-radius:50%;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-text-2);
  cursor:pointer;
  transition:color .18s ease,border-color .18s ease,background .18s ease,transform .18s ease;
}
.dock-search:hover{
  color:var(--c-brand);
  border-color:var(--c-brand);
  background:var(--c-tint);
  transform:translateY(-1px);
}
.btn-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:11px 22px;
  border:none;
  border-radius:var(--radius-pill);
  background:var(--c-accent);
  color:var(--c-ink-bg);
  font-size:14px;
  font-weight:800;
  letter-spacing:.01em;
  white-space:nowrap;
  box-shadow:0 4px 14px rgba(200,247,81,.35);
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
}
.btn-cta:hover{
  color:var(--c-ink-bg);
  background:#d6ff63;
  transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(200,247,81,.45);
}
.btn-cta:active{transform:translateY(-1px);}

.btn-outline-brand{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:11px 24px;
  border-radius:var(--radius-pill);
  border:1.5px solid var(--c-brand);
  background:var(--c-surface);
  color:var(--c-brand);
  font-size:15px;
  font-weight:700;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-outline-brand:hover{
  background:var(--c-tint);
  color:var(--c-brand-deep);
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
}
.btn-outline-brand:active{transform:translateY(-1px);}

.dock-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:14px;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-text);
  cursor:pointer;
  place-items:center;
  padding:0;
}
.dock-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:currentColor;
  position:relative;
}
.dock-toggle span::before,
.dock-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  border-radius:2px;
  background:currentColor;
}
.dock-toggle span::before{top:-6px;}
.dock-toggle span::after{top:6px;}

/* 移动抽屉 */
.drawer{
  position:fixed;
  inset:0;
  z-index:1060;
  background:var(--c-surface);
  display:flex;
  flex-direction:column;
  padding:24px 24px 32px;
  transform:translateX(101%);
  visibility:hidden;
  transition:transform .3s ease,visibility .3s ease;
}
.drawer.is-open{transform:none;visibility:visible;}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:20px;
  border-bottom:1px solid var(--c-line);
}
.drawer-close{
  width:44px;
  height:44px;
  border-radius:14px;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-text);
  font-size:20px;
  line-height:1;
  cursor:pointer;
}
.drawer-nav{
  display:flex;
  flex-direction:column;
  gap:6px;
  margin-top:26px;
}
.drawer-nav a{
  display:block;
  padding:14px 4px;
  font-size:22px;
  font-weight:800;
  color:var(--c-text);
  border-bottom:1px dashed var(--c-dash);
}
.drawer-nav a.active{color:var(--c-brand);}
.drawer-cta{margin-top:auto;padding-top:24px;}
.drawer-cta .btn-cta{width:100%;}

/* ============ 标题带 ============ */
.page-hero{
  position:relative;
  padding:52px 0 46px;
  background-image:linear-gradient(102deg,rgba(246,244,255,.97) 0%,rgba(237,233,254,.92) 58%,rgba(246,244,255,.88) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--c-line);
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-120px;
  bottom:-160px;
  width:420px;
  height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(91,61,245,.14),rgba(91,61,245,0) 70%);
  pointer-events:none;
}
.crumb{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--c-text-2);
  margin-bottom:20px;
}
.crumb a{color:var(--c-text-2);}
.crumb a:hover{color:var(--c-brand);}
.crumb .crumb-sep{color:rgba(90,84,112,.5);}
.crumb .crumb-now{color:var(--c-brand);font-weight:600;}

.hero-title{
  position:relative;
  z-index:1;
  font-size:clamp(28px,4.2vw,44px);
  font-weight:800;
  line-height:1.25;
  letter-spacing:.01em;
  max-width:860px;
  margin:0 0 18px;
}
.hero-sub{
  position:relative;
  z-index:1;
  max-width:640px;
  font-size:16px;
  color:var(--c-text-2);
  line-height:1.9;
  margin:0 0 22px;
}
.hero-meta{
  position:relative;
  z-index:1;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.dot-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.86);
  border:1px solid var(--c-line);
  font-size:13px;
  font-weight:600;
  color:var(--c-text-2);
}
.dot-badge::before{
  content:"";
  width:7px;
  height:7px;
  border-radius:2px;
  background:var(--c-brand);
  flex:none;
}
.dot-badge.accent::before{background:var(--c-warm);}

/* ============ 通用板块 ============ */
.section{margin-bottom:88px;}
.section:first-of-type{margin-top:40px;}
.section-head{margin-bottom:28px;}
.section-title{
  position:relative;
  padding-left:18px;
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  line-height:1.35;
  letter-spacing:.01em;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:4px;
  height:24px;
  border-radius:2px;
  background:var(--c-brand);
}
.section-sub{
  margin-top:12px;
  font-size:15px;
  color:var(--c-text-2);
  max-width:720px;
}
.section-title--light{color:var(--c-reverse);}
.section-title--light::before{background:var(--c-accent);}

/* ============ 子分类 chips ============ */
.chip-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding-bottom:4px;
}
.chip{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:8px 18px;
  border-radius:var(--radius-pill);
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-text-2);
  font-size:14px;
  font-weight:600;
  box-shadow:var(--shadow-1);
  transition:color .18s ease,border-color .18s ease,background .18s ease,transform .18s ease;
}
.chip:hover{
  color:var(--c-brand);
  border-color:var(--c-brand);
  background:var(--c-tint);
  transform:translateY(-2px);
}
.chip.is-active{
  background:var(--c-brand);
  border-color:var(--c-brand);
  color:#fff;
  box-shadow:0 8px 20px rgba(91,61,245,.28);
}
.chip.is-active:hover{color:#fff;background:var(--c-brand-deep);}

/* ============ 大图卡（两列） ============ */
.guide-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.guide-card:hover{
  transform:translateY(-4px);
  border-color:rgba(91,61,245,.28);
  box-shadow:var(--shadow-2);
}
.guide-media{
  position:relative;
  display:block;
  aspect-ratio:16/10;
  overflow:hidden;
  background:linear-gradient(150deg,var(--c-tint),#f9f7ff);
}
.guide-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .45s ease;
}
.guide-card:hover .guide-media img{transform:scale(1.04);}
.guide-badge{
  position:absolute;
  left:16px;
  top:16px;
  display:inline-flex;
  align-items:center;
  padding:5px 12px;
  border-radius:var(--radius-pill);
  background:rgba(22,18,31,.7);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  color:#F3F0FF;
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
}
.guide-step{
  position:absolute;
  right:16px;
  bottom:16px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--radius-pill);
  background:var(--c-accent);
  color:var(--c-ink-bg);
  font-size:12px;
  font-weight:800;
}
.guide-body{
  display:flex;
  flex-direction:column;
  flex:1;
  padding:22px 24px 24px;
}
.guide-title{
  font-size:19px;
  font-weight:700;
  line-height:1.5;
  margin-bottom:10px;
  transition:color .18s ease;
}
.guide-card:hover .guide-title{color:var(--c-brand);}
.guide-desc{
  font-size:14.5px;
  color:var(--c-text-2);
  line-height:1.9;
  margin-bottom:18px;
}
.guide-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:18px;
}
.meta-pill{
  display:inline-flex;
  align-items:center;
  padding:4px 11px;
  border-radius:var(--radius-pill);
  background:var(--c-tint);
  color:var(--c-brand-deep);
  font-size:12px;
  font-weight:600;
}
.meta-pill.warm{
  background:rgba(255,122,69,.12);
  color:#c14a1c;
}
.guide-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:16px;
  border-top:1px dashed var(--c-dash);
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:700;
  color:var(--c-brand);
  position:relative;
}
.link-arrow::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-3px;
  width:0;
  height:2px;
  background:var(--c-accent);
  border-radius:2px;
  transition:width .2s ease;
}
.link-arrow:hover::after{width:100%;}
.link-arrow svg{transition:transform .2s ease;}
.link-arrow:hover svg{transform:translateX(3px);}

/* ============ 编号要点 ============ */
.points-wrap{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-xl);
  padding:8px 28px;
  box-shadow:var(--shadow-1);
}
.point-row{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:18px;
  align-items:start;
  padding:22px 0;
  border-bottom:1px dashed var(--c-dash);
}
.point-row:last-child{border-bottom:none;}
.point-num{
  font-size:34px;
  font-weight:800;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1.5px var(--c-brand);
  letter-spacing:.02em;
  padding-top:4px;
  min-width:52px;
}
.point-title{
  font-size:17px;
  font-weight:700;
  margin-bottom:6px;
  line-height:1.6;
}
.point-text{
  font-size:14.5px;
  color:var(--c-text-2);
  line-height:1.9;
  margin:0;
}

/* ============ 深色参数带 ============ */
.metrics-band{
  position:relative;
  background:var(--c-ink-bg);
  border-radius:var(--radius-xl);
  padding:52px 44px;
  color:rgba(243,240,255,.78);
  overflow:hidden;
  border:1px solid var(--c-line-dark);
}
.metrics-band::after{
  content:"";
  position:absolute;
  right:-140px;
  top:-140px;
  width:420px;
  height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(91,61,245,.35),rgba(91,61,245,0) 68%);
  pointer-events:none;
}
.band-sub{
  font-size:14.5px;
  color:rgba(243,240,255,.62);
  line-height:1.9;
  margin-top:14px;
  max-width:360px;
}
.metric{
  position:relative;
  z-index:1;
  height:100%;
  padding:20px 18px;
  border-radius:var(--radius-md);
  background:rgba(255,255,255,.06);
  border:1px solid var(--c-line-dark);
  transition:background .2s ease,transform .2s ease;
}
.metric:hover{background:rgba(255,255,255,.10);transform:translateY(-3px);}
.metric-num{
  display:block;
  font-size:clamp(26px,3vw,34px);
  font-weight:800;
  line-height:1.2;
  color:var(--c-accent);
  letter-spacing:.01em;
}
.metric-label{
  display:block;
  margin-top:6px;
  font-size:13px;
  color:rgba(243,240,255,.66);
  line-height:1.7;
}

/* ============ FAQ ============ */
.faq-list .accordion-item{
  background:transparent;
  border:none;
  border-bottom:1px dashed var(--c-dash);
}
.faq-list .accordion-item:first-child{border-top:1px dashed var(--c-dash);}
.faq-list .accordion-header{margin:0;font-size:inherit;}
.faq-list .accordion-button{
  position:relative;
  width:100%;
  display:flex;
  align-items:center;
  gap:12px;
  padding:22px 48px 22px 18px;
  background:transparent;
  border:none;
  box-shadow:none;
  color:var(--c-text);
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  text-align:left;
  border-radius:0;
  transition:color .18s ease,padding-left .2s ease;
}
.faq-list .accordion-button::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%) scaleY(0);
  transform-origin:center;
  width:4px;
  height:26px;
  border-radius:2px;
  background:var(--c-accent);
  transition:transform .2s ease;
}
.faq-list .accordion-button:not(.collapsed)::before{transform:translateY(-50%) scaleY(1);}
.faq-list .accordion-button:not(.collapsed){
  color:var(--c-brand);
  background:transparent;
  box-shadow:none;
}
.faq-list .accordion-button:focus{box-shadow:none;outline:none;}
.faq-list .accordion-button:focus-visible{outline:3px solid rgba(91,61,245,.4);outline-offset:2px;}
.faq-list .accordion-button::after{
  content:"";
  position:absolute;
  right:6px;
  top:50%;
  width:16px;
  height:16px;
  margin:0;
  transform:translateY(-50%);
  background-color:transparent;
  background-repeat:no-repeat;
  background-position:center,center;
  background-size:16px 2px,2px 16px;
  background-image:linear-gradient(var(--c-brand),var(--c-brand)),linear-gradient(var(--c-brand),var(--c-brand));
  transition:background-size .2s ease,transform .2s ease;
}
.faq-list .accordion-button:not(.collapsed)::after{
  transform:translateY(-50%) rotate(0deg);
  background-size:16px 2px,0 16px;
}
.faq-list .accordion-body{
  padding:0 18px 24px 18px;
  font-size:15px;
  line-height:1.9;
  color:var(--c-text-2);
  max-width:780px;
}

/* ============ CTA 深色条 ============ */
.cta-band{
  position:relative;
  background:var(--c-ink-bg);
  border-radius:var(--radius-xl);
  padding:56px 48px;
  color:var(--c-reverse);
  overflow:hidden;
  border:1px solid var(--c-line-dark);
}
.cta-band::after{
  content:"";
  position:absolute;
  left:-120px;
  bottom:-180px;
  width:420px;
  height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(200,247,81,.18),rgba(200,247,81,0) 70%);
  pointer-events:none;
}
.cta-band h2{
  position:relative;
  z-index:1;
  color:var(--c-reverse);
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  line-height:1.35;
  margin-bottom:14px;
}
.cta-band p{
  position:relative;
  z-index:1;
  font-size:15px;
  line-height:1.9;
  color:rgba(243,240,255,.7);
  max-width:560px;
  margin:0;
}
.cta-actions{
  position:relative;
  z-index:1;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:flex-end;
}
.btn-ghost-light{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:11px 24px;
  border-radius:var(--radius-pill);
  border:1.5px solid rgba(243,240,255,.5);
  background:transparent;
  color:var(--c-reverse);
  font-size:15px;
  font-weight:700;
  transition:background .18s ease,border-color .18s ease,transform .18s ease;
}
.btn-ghost-light:hover{
  background:rgba(243,240,255,.12);
  border-color:var(--c-reverse);
  color:var(--c-reverse);
  transform:translateY(-2px);
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;
  padding:64px 0 28px;
  background:var(--c-ink-bg);
  color:rgba(243,240,255,.7);
  border-top:1px solid var(--c-line-dark);
}
.footer-main{padding-bottom:40px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text{color:var(--c-reverse);}
.footer-brand p{
  font-size:14px;
  line-height:1.9;
  color:rgba(243,240,255,.62);
  max-width:300px;
  margin-bottom:18px;
}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.footer-tags span{
  display:inline-flex;
  padding:4px 12px;
  border-radius:var(--radius-pill);
  border:1px solid var(--c-line-dark);
  background:rgba(255,255,255,.05);
  font-size:12px;
  color:rgba(243,240,255,.7);
}
.site-footer h3{
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:rgba(243,240,255,.5);
  margin-bottom:16px;
}
.site-footer ul{display:flex;flex-direction:column;gap:10px;}
.site-footer ul a{
  font-size:14px;
  color:rgba(243,240,255,.72);
  transition:color .18s ease,padding-left .18s ease;
}
.site-footer ul a:hover{color:var(--c-accent);padding-left:4px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:8px 24px;
  justify-content:space-between;
  padding-top:24px;
  border-top:1px solid var(--c-line-dark);
  font-size:13px;
  color:rgba(243,240,255,.45);
}
.footer-bottom p{margin:0;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .dock-nav a{padding:6px 10px;font-size:14.5px;}
  .metric{padding:18px 16px;}
}

@media (max-width:991.98px){
  .dock-nav{display:none;}
  .dock-toggle{display:grid;}
  .dock-search{display:none;}
  .dock{gap:12px;padding:10px 14px;}
  .logo-text{font-size:17px;}
  .section{margin-bottom:64px;}
  .points-wrap{padding:4px 20px;}
  .metrics-band{padding:40px 28px;}
  .cta-band{padding:40px 28px;}
  .cta-actions{justify-content:flex-start;margin-top:24px;}
  .cta-band p{max-width:none;}
  .hero-title{max-width:none;}
}

@media (max-width:767.98px){
  body{padding-top:88px;}
  .site-head{top:12px;padding:0 12px;}
  .container,.container-sm,.container-md,.container-lg,.container-xl{padding-left:20px;padding-right:20px;}
  .page-hero{padding:36px 0 34px;}
  .hero-sub{font-size:15px;}
  .hero-meta{gap:8px;}
  .dot-badge{font-size:12px;padding:6px 13px;}
  .section{margin-bottom:52px;}
  .section:first-of-type{margin-top:28px;}
  .section-title{font-size:22px;padding-left:14px;}
  .section-title::before{height:20px;}
  .guide-body{padding:18px 18px 20px;}
  .guide-title{font-size:17.5px;}
  .point-row{grid-template-columns:auto 1fr;gap:14px;padding:18px 0;}
  .point-num{font-size:28px;min-width:42px;-webkit-text-stroke-width:1.2px;}
  .point-title{font-size:16px;}
  .metrics-band{padding:32px 20px;border-radius:var(--radius-lg);}
  .metric{padding:16px 14px;}
  .cta-band{padding:32px 20px;border-radius:var(--radius-lg);}
  .site-footer{margin-top:64px;padding-top:48px;}
  .footer-main{padding-bottom:24px;}
  .faq-list .accordion-button{font-size:16px;padding:18px 42px 18px 14px;}
  .faq-list .accordion-body{padding:0 14px 20px 14px;font-size:14.5px;}
  .chip{font-size:13px;padding:7px 14px;min-height:38px;}
}

@media (max-width:575.98px){
  .logo-text{font-size:16px;}
  .hero-title{font-size:26px;}
  .btn-cta{padding:10px 18px;font-size:13.5px;}
  .btn-outline-brand,.btn-ghost-light{width:100%;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .guide-foot{flex-wrap:wrap;}
}

/* 横滑渐隐提示（小屏） */
.scroll-hint{
  display:none;
  margin-top:12px;
  font-size:12.5px;
  color:var(--c-text-2);
}
@media (max-width:575.98px){
  .chip-row{
    flex-wrap:nowrap;
    overflow-x:auto;
    scroll-snap-type:x mandatory;
    padding-bottom:8px;
    -webkit-overflow-scrolling:touch;
  }
  .chip-row::-webkit-scrollbar{height:0;}
  .chip{scroll-snap-align:start;flex:none;}
  .scroll-hint{display:block;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}