/* roulang page: index */
:root {
  --bg-canvas: #0B1420;
  --bg-deep: #070E17;
  --bg-panel: #111F2D;
  --glass-bg: rgba(18, 34, 48, 0.6);
  --glass-border: rgba(255, 255, 255, 0.12);
  --primary: #45E0D0;
  --primary-deep: #0F8A88;
  --accent: #FFB020;
  --violet: #8A7CFF;
  --text-hi: #F1F6FA;
  --text-mid: #B8C7D4;
  --text-low: #748A9B;
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-main: 0 20px 50px rgba(0, 0, 0, 0.35);
  --shadow-card: 0 10px 26px rgba(0, 0, 0, 0.22);
  --shadow-accent: 0 0 0 6px rgba(255, 176, 32, 0.2);
  --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-stack);
  background-color: var(--bg-canvas);
  color: var(--text-hi);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button, input { font-family: inherit; }
.container-xl { max-width: 1280px; }
.section-pad { padding-top: clamp(72px, 8vw, 120px); padding-bottom: clamp(72px, 8vw, 120px); }
.bg-panel-subtle { background: rgba(17, 31, 45, 0.42); }
.text-gradient-primary {
  background: linear-gradient(120deg, var(--primary), #ffffff 60%, var(--primary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.text-low { color: var(--text-low); }
.text-mid { color: var(--text-mid); }

/* ---------- Focus / a11y ---------- */
a:focus-visible, button:focus-visible, .btn:focus-visible, input:focus-visible,
.accordion-button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  box-shadow: none;
}
.btn:focus, .btn:active { box-shadow: none; }

/* ---------- Navbar ---------- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1040;
  min-height: 72px;
  padding: 14px 0;
  background: transparent;
  transition: background .3s ease, box-shadow .3s ease;
}
.site-nav.scrolled {
  background: rgba(11, 20, 32, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-hi);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.brand-icon {
  position: relative;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 25%, #8FFFF2 0%, var(--primary) 45%, var(--bg-deep) 100%);
  box-shadow: 0 0 16px rgba(69,224,208,0.45), inset 0 1px 1px rgba(255,255,255,0.25);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.brand-icon::after {
  content: "";
  position: absolute;
  right: -1px;
  top: -1px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(255,176,32,0.8);
}
.brand-icon i {
  font-size: 1.2rem;
  color: #071018;
  line-height: 1;
}
.nav-menu {
  display: flex;
  align-items: center;
}
.nav-menu .nav-link-main {
  color: var(--text-mid);
  font-weight: 500;
  font-size: 0.975rem;
  padding: 10px 0;
  margin: 0 14px;
  position: relative;
  transition: color .25s;
}
.nav-menu .nav-link-main:hover { color: #fff; }
.nav-menu .nav-link-main::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 99px;
  transition: width .25s ease;
}
.nav-menu .nav-link-main:hover::after { width: 100%; }
.nav-menu .nav-link-main.active {
  color: #fff;
}
.nav-menu .nav-link-main.active::after {
  width: 100%;
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(255,176,32,0.6);
  color: var(--accent);
  background: rgba(255,176,32,0.04);
  border-radius: 999px;
  padding: 8px 20px;
  font-size: 0.92rem;
  font-weight: 600;
  transition: all .28s ease;
}
.nav-cta:hover {
  background: rgba(255,176,32,0.12);
  color: #FFC247;
  box-shadow: 0 0 16px rgba(255,176,32,0.2);
}
.navbar-toggler {
  border: none;
  width: 46px;
  height: 46px;
  padding: 0;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: transparent;
}
.navbar-toggler .bar {
  width: 20px;
  height: 2px;
  background: var(--primary);
  border-radius: 4px;
  margin: 0;
  transition: transform .25s;
}
.navbar-toggler[aria-expanded="true"] .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar-toggler[aria-expanded="true"] .bar:nth-child(2) { opacity: 0; }
.navbar-toggler[aria-expanded="true"] .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-nav-panel {
  background: rgba(11, 20, 32, 0.98);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  margin-top: 10px;
  padding: 12px;
}
.mobile-nav-panel .nav-link-main {
  display: block;
  padding: 12px 14px;
  margin: 0;
  border-radius: 12px;
}
.mobile-nav-panel .nav-link-main:hover { background: rgba(255,255,255,0.06); color: #fff; }
.mobile-nav-panel .nav-link-main.active { background: rgba(69,224,208,0.1); color: var(--primary); }
.mobile-nav-panel .nav-cta { margin: 10px 0 4px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 148px 0 70px;
  background:
    radial-gradient(ellipse at 12% 10%, rgba(69,224,208,0.12), transparent 36%),
    radial-gradient(ellipse at 88% 20%, rgba(255,176,32,0.045), transparent 30%),
    var(--bg-canvas);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 520px;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: linear-gradient(to bottom, #000 30%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 30%, transparent 100%);
}
.hero .hero-scan {
  position: absolute;
  width: 68%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(69,224,208,0.55), transparent);
  filter: blur(1px);
  top: 22%;
  right: -6%;
  transform: rotate(9deg);
  pointer-events: none;
}
.hero-badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(69,224,208,0.08);
  border: 1px solid rgba(69,224,208,0.24);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 22px;
}
.hero-badge-tag .dot {
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--primary);
  animation: pulse-dot 2.2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: .45; transform: scale(.7); }
}
.hero h1 {
  font-size: clamp(2.25rem, 4.2vw, 4rem);
  font-weight: 800;
  line-height: 1.22;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}
.hero-sub {
  color: var(--text-mid);
  font-size: 1.0625rem;
  line-height: 1.85;
  max-width: 620px;
  margin: 0 0 26px;
}
.platform-badge-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}
.platform-badge {
  background: rgba(255,255,255,0.06);
  border-radius: 8px;
  padding: 6px 13px;
  font-size: 0.875rem;
  color: var(--text-mid);
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-bottom: 18px;
}
.btn {
  border-radius: 12px;
  font-weight: 600;
  transition: all .28s ease;
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
}
.btn-amber {
  background: var(--accent);
  color: #101820;
  font-weight: 700;
  padding: 12px 26px;
  box-shadow: 0 0 0 rgba(255,176,32,.2);
}
.btn-amber:hover {
  background: #FFC247;
  color: #101820;
  box-shadow: 0 0 0 6px rgba(255,176,32,.2);
  transform: translateY(-2px);
}
.btn-amber:active { opacity: .85; transform: translateY(0); }
.btn-outline-primary {
  border: 1px solid rgba(69,224,208,.45);
  background: transparent;
  color: var(--text-hi);
  padding: 11px 24px;
}
.btn-outline-primary:hover {
  background: rgba(69,224,208,.14);
  color: var(--primary);
  box-shadow: 0 0 18px rgba(69,224,208,.12);
}
.btn-ghost {
  background: rgba(255,255,255,0.06);
  color: var(--text-hi);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 10px 20px;
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); color: #fff; }
.hero-trust-note {
  color: var(--text-low);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 7px;
}
.hero-visual {
  position: relative;
  padding: 18px 20px 40px;
}
.device-frame {
  position: relative;
  background: linear-gradient(160deg, rgba(255,255,255,0.1), transparent), #0e1c29;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 28px;
  padding: 13px;
  box-shadow: var(--shadow-main), 0 0 0 1px rgba(255,255,255,0.03), inset 0 1px 0 rgba(255,255,255,0.12);
  transform: perspective(1400px) rotateY(-6deg) rotateX(2deg);
}
.device-screen {
  width: 100%;
  border-radius: 20px;
  overflow: hidden;
  background: var(--bg-panel);
}
.device-screen-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 15px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.browser-dots { display: flex; gap: 5px; }
.browser-dots span { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.16); }
.device-screen-body {
  position: relative;
  aspect-ratio: 14 / 9;
  background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.device-screen-body::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 35%, rgba(11,20,32,.92));
}
.float-card {
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: -22px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 14px 18px;
  box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255,255,255,0.08);
  z-index: 3;
}
.float-card-title { font-size: .82rem; color: var(--text-low); display: flex; align-items: center; gap: 8px; }
.float-card-title i { color: var(--primary); }
.float-card-value { font-size: 1.2rem; font-weight: 700; color: var(--text-hi); font-variant-numeric: tabular-nums; margin-top: 4px; }
@supports not ((backdrop-filter: blur(4px))) {
  .float-card { background: rgba(15,26,37,0.96); }
  .site-nav.scrolled { background: rgba(11,20,32,0.96); }
}

/* ---------- Data band ---------- */
.data-band {
  background: rgba(17,31,45,0.55);
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding: 26px 0;
}
.data-item {
  text-align: center;
  padding: 8px 0;
}
.data-num {
  font-size: clamp(1.8rem, 2.6vw, 2.6rem);
  font-weight: 800;
  color: #fff;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.data-num span { color: var(--primary); }
.data-label { font-size: 0.875rem; color: var(--text-low); margin-top: 8px; letter-spacing: 0.03em; }

/* ---------- Section headings ---------- */
.sec-head { margin-bottom: 42px; }
.sec-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  text-transform: none;
}
.sec-kicker::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--primary);
  border-radius: 99px;
  display: inline-block;
}
.sec-title {
  font-size: clamp(1.75rem, 2.4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 8px;
}
.sec-desc { color: var(--text-mid); max-width: 680px; font-size: 1rem; }

/* ---------- Feature carousel ---------- */
.slide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.showcase-card {
  background: var(--bg-panel);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.06);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  height: 100%;
  transition: transform .3s ease, box-shadow .3s ease;
}
.showcase-card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(0,0,0,0.3); }
.showcase-cover { position: relative; aspect-ratio: 16/9; overflow: hidden; }
.showcase-cover img { width: 100%; height: 100%; object-fit: cover; }
.showcase-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 30%, rgba(11,20,32,0.88));
}
.showcase-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(69,224,208,0.15);
  border: 1px solid rgba(69,224,208,0.24);
  color: var(--primary);
  font-size: .75rem;
  border-radius: 999px;
  padding: 4px 12px;
  z-index: 2;
}
.showcase-body { padding: 22px 22px 28px; }
.showcase-body h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 8px; color: #fff; }
.showcase-body p { color: var(--text-mid); font-size: .92rem; line-height: 1.75; margin: 0; }
.carousel-slide-item .showcase-card { opacity: .62; transform: scale(.92); transition: .4s ease; }
.carousel-slide-item.active .showcase-card, .carousel-slide-item.carousel-item-next.carousel-item-start .showcase-card,
.carousel-slide-item.carousel-item-prev.carousel-item-end .showcase-card { opacity: 1; transform: scale(1); }
.carousel-slide-item { padding: 8px 4px; transition: transform .5s ease; }
.feed-carousel .carousel-inner .carousel-item {
  display: block;
  float: left;
  margin-right: -100%;
  opacity: 0;
  transition: opacity .45s ease;
}
.feed-carousel .carousel-inner .carousel-item.active {
  opacity: 1;
  z-index: 1;
}
.feed-carousel .carousel-control-prev, .feed-carousel .carousel-control-next {
  width: 46px;
  height: 46px;
  top: 42%;
  opacity: 1;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50%;
  backdrop-filter: blur(8px);
}
.feed-carousel .carousel-control-prev { left: -18px; }
.feed-carousel .carousel-control-next { right: -18px; }
.feed-carousel .carousel-control-prev i, .feed-carousel .carousel-control-next i { color: var(--primary); font-size: 1.1rem; }
.feed-carousel .carousel-control-prev:hover, .feed-carousel .carousel-control-next:hover { background: rgba(69,224,208,0.15); }
.feed-indicator {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
}
.feed-indicator .indicator-track {
  flex: 0 0 190px;
  height: 3px;
  border-radius: 99px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
}
.feed-indicator .indicator-bar {
  height: 100%;
  width: 25%;
  background: var(--primary);
  border-radius: 99px;
  transition: width .45s ease;
}
.feed-count { color: var(--text-mid); font-size: .9rem; letter-spacing: .08em; }

/* ---------- System & security ---------- */
.env-panel { background: var(--bg-panel); border: 1px solid rgba(255,255,255,0.06); border-radius: var(--radius-lg); padding: clamp(28px, 4vw, 42px); height: 100%; }
.env-list-item { display: flex; justify-content: space-between; align-items: center; gap: 18px; padding: 12px 0 13px; border-bottom: 1px dashed rgba(255,255,255,0.08); }
.env-list-item:last-child { border-bottom: 0; }
.env-name { font-weight: 600; color: var(--text-hi); display: flex; align-items: center; gap: 10px; }
.env-name i { color: var(--primary); }
.env-value { color: var(--text-mid); font-size: .92rem; white-space: nowrap; }
.security-card {
  background: var(--glass-bg);
  border: 1px solid rgba(69,224,208,0.22);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 40px);
  height: 100%;
  backdrop-filter: blur(10px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), var(--shadow-card);
  position: relative;
  overflow: hidden;
}
.security-card::after {
  content: "";
  position: absolute;
  width: 250px;
  height: 250px;
  right: -100px;
  top: -110px;
  border-radius: 50%;
  background: rgba(69,224,208,0.08);
  filter: blur(60px);
  pointer-events: none;
}
.security-card h3 { color: #fff; font-weight: 700; margin-bottom: 14px; }
.security-card ul { list-style: none; margin: 0; padding: 0; }
.security-card li { display: flex; gap: 10px; color: var(--text-mid); padding: 8px 0; font-size: .95rem; }
.security-card li i { color: var(--primary); font-size: 1rem; margin-top: 5px; }
.security-card .safe-note { color: var(--text-low); font-size: .82rem; margin-top: 14px; border-top: 1px solid rgba(255,255,255,0.06); padding-top: 14px; }

/* ---------- Reviews ---------- */
.review-summary { margin-bottom: 38px; gap: 30px; align-items: center; }
.review-num h2 { font-size: 4.2rem; font-weight: 800; line-height: 1; margin: 0; }
.review-num h2 span { font-size: 1.4rem; color: var(--text-low); font-weight: 400; }
.review-bars { flex: 1; }
.review-bar-row { display: grid; grid-template-columns: 88px 1fr 34px; align-items: center; gap: 13px; margin: 9px 0; font-size: .875rem; color: var(--text-mid); }
.review-bar-track { background: rgba(255,255,255,0.07); height: 6px; border-radius: 99px; overflow: hidden; }
.review-bar-fill { height: 100%; width: 92%; background: linear-gradient(90deg, var(--primary-deep), var(--primary)); border-radius: 99px; }
.review-card {
  background: var(--bg-panel);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  padding: 24px 24px 26px;
  box-shadow: var(--shadow-card);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform .3s ease, border-color .3s ease;
}
.review-card:hover { transform: translateY(-4px); border-color: rgba(69,224,208,0.25); }
.review-card-head { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.review-card-avatar {
  width: 44px;
  height: 44px;
  background: linear-gradient(140deg, var(--primary-deep), var(--violet));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex: 0 0 44px;
}
.review-card-avatar .bg-2 { background: linear-gradient(140deg, #2C5A68, var(--violet)); }
.review-card-name { font-weight: 600; color: var(--text-hi); font-size: .95rem; line-height: 1.3; }
.review-card-type { color: var(--text-low); font-size: .8rem; }
.review-stars { color: var(--accent); font-size: .8rem; margin-top: 5px; }
.review-text { color: var(--text-mid); font-size: .93rem; line-height: 1.8; flex: 1; }
.review-note { color: var(--text-low); font-size: .78rem; margin-top: 28px; text-align: right; }

/* ---------- CMS feed / index feed ---------- */
.cms-wrap { background: rgba(255,255,255,0.025); }
.feed-feature {
  display: flex;
  flex-direction: column;
  height: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.07);
  overflow: hidden;
  background: var(--bg-panel);
  box-shadow: var(--shadow-card);
  transition: transform .3s ease, box-shadow .3s ease;
}
.feed-feature:hover { transform: translateY(-3px); box-shadow: 0 16px 44px rgba(0,0,0,0.3); }
.feed-feature .media { position: relative; aspect-ratio: 16 / 8; overflow: hidden; }
.feed-feature .media img { width: 100%; height: 100%; object-fit: cover; }
.feed-feature .media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 20%, rgba(11,20,32,.86));
}
.feed-feature .cat {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(69,224,208,0.18);
  border: 1px solid rgba(69,224,208,0.3);
  color: var(--primary);
  border-radius: 999px;
  font-size: .75rem;
  padding: 4px 13px;
  backdrop-filter: blur(6px);
}
.feed-feature .body { padding: 22px 26px 28px; flex: 1; display: flex; flex-direction: column; }
.feed-feature .title { font-weight: 700; font-size: 1.3rem; color: #fff; line-height: 1.4; margin-bottom: 10px; }
.feed-feature .desc { color: var(--text-mid); font-size: .94rem; line-height: 1.75; flex: 1; }
.feed-feature .meta { color: var(--text-low); font-size: .82rem; display: flex; margin-top: 14px; gap: 14px; }
.feed-list { display: flex; flex-direction: column; justify-content: stretch; gap: 12px; height: 100%; }
.feed-list-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  background: var(--bg-panel);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px;
  transition: border-color .25s ease, background .25s ease;
}
.feed-list-row:hover { border-color: rgba(69,224,208,0.3); background: rgba(30,48,59,0.6); }
.feed-list-row .rank-badge {
  flex: 0 0 30px;
  height: 30px;
  width: 30px;
  border-radius: 9px;
  background: rgba(255,255,255,0.06);
  color: var(--primary);
  font-weight: 700;
  font-size: .9rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.feed-list-row .content { flex: 1; min-width: 0; }
.feed-list-row .content-title { color: var(--text-hi); font-weight: 500; font-size: .96rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.feed-list-row .content-title:hover { color: var(--primary); }
.feed-list-row .content-meta { color: var(--text-low); font-size: .78rem; margin-top: 5px; display: flex; gap: 10px; flex-wrap: wrap; }
.feed-list-row .arrow-icon { color: var(--text-low); transition: transform .25s; }
.feed-list-row:hover .arrow-icon { transform: translateX(4px); color: var(--primary); }
.cms-empty {
  border: 1px dashed rgba(255,255,255,0.18);
  border-radius: var(--radius-md);
  padding: 60px 24px;
  text-align: center;
  color: var(--text-low);
  background: rgba(255,255,255,0.02);
}
.cms-empty i { font-size: 2rem; color: var(--primary-deep); display: inline-block; margin-bottom: 12px; }

/* ---------- Final CTA ---------- */
.final-cta {
  position: relative;
}
.cta-card {
  background:
    radial-gradient(circle at 85% 20%, rgba(69,224,208,0.14), transparent 42%),
    var(--bg-panel);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: calc(var(--radius-lg) + 8px);
  padding: clamp(34px, 5vw, 70px);
  box-shadow: var(--shadow-main), inset 0 2px 0 rgba(255,176,32,0.18);
  overflow: hidden;
  position: relative;
}
.cta-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: .74;
}
.cta-title { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 800; }
.cta-sub { color: var(--text-mid); font-size: 1rem; max-width: 690px; }
.cta-btn-large {
  font-size: 1.1rem;
  padding: 16px 34px;
}
.cta-platform-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.qr-placeholder {
  width: 128px;
  height: 128px;
  border-radius: 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: var(--text-low);
  font-size: .75rem;
  background-image: linear-gradient(rgba(69,224,208,0.08) 1px, transparent 1px), linear-gradient(90deg, rgba(69,224,208,0.08) 1px, transparent 1px);
  background-size: 12px 12px;
}
.qr-placeholder i { font-size: 1.5rem; color: var(--primary); }
.security-line { color: var(--text-low); font-size: .82rem; margin-top: 16px; display: flex; align-items: center; gap: 7px; }
.security-line i { color: var(--primary); }

/* ---------- FAQ ---------- */
.faq-accordion { max-width: 880px; margin: 0 auto; }
.faq-item {
  background: var(--bg-panel);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .3s;
}
.faq-item.is-open { border-color: rgba(69,224,208,0.3); }
.faq-q {
  width: 100%;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  gap: 16px;
  padding: 14px 20px;
  background: transparent;
  border: none;
  color: var(--text-mid);
  font-weight: 600;
  font-size: .97rem;
  transition: color .25s;
}
.faq-q:hover { color: #fff; }
.faq-item.is-open .faq-q { color: #fff; }
.faq-q .faq-icon {
  width: 26px;
  height: 26px;
  flex: 0 0 26px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.18);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: transform .25s;
}
.faq-item.is-open .faq-q .faq-icon { transform: rotate(45deg); }
.faq-a { display: none; padding: 3px 20px 20px; color: var(--text-mid); font-size: .93rem; line-height: 1.8; }
.faq-a a { color: var(--primary); }
.faq-a a:hover { text-decoration: underline; }
.faq-note-disclaimer { text-align: center; color: var(--text-low); font-size: .78rem; margin-top: 16px; }

/* ---------- Footer ---------- */
.footer {
  background:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px),
    var(--bg-deep);
  background-size: 42px 42px;
  border-top: 1px solid rgba(69,224,208,0.25);
}
.footer-top { padding: 60px 0 36px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.footer-brand { display: flex; flex-direction: column; gap: 14px; }
.footer-brand .footer-logo { display: inline-flex; align-items: center; gap: 10px; font-size: 1.3rem; font-weight: 800; color: #fff; }
.footer-desc { color: var(--text-low); font-size: .92rem; max-width: 320px; line-height: 1.75; }
.footer-list-title { color: var(--text-hi); font-size: .95rem; font-weight: 600; margin-bottom: 16px; letter-spacing: .04em; }
.footer-links { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: var(--text-mid); font-size: .92rem; transition: color .25s; }
.footer-links a:hover { color: var(--primary); }
.footer-updates { display: flex; flex-direction: column; gap: 10px; }
.footer-update-line { display: flex; align-items: center; gap: 10px; font-size: .9rem; color: var(--text-mid); }
.footer-update-line i { color: var(--primary); font-size: .8rem; }
.footer-update-line .time { color: var(--text-low); font-size: .78rem; margin-left: auto; white-space: nowrap; }
.footer-sub { display: flex; gap: 8px; margin-top: 12px; }
.footer-sub input {
  flex: 1;
  min-width: 0;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  padding: 10px 14px;
  color: #fff;
  font-size: .88rem;
}
.footer-sub input::placeholder { color: var(--text-low); }
.footer-sub input:focus { outline: 2px solid var(--primary); outline-offset: 0; background: rgba(255,255,255,0.1); }
.footer-bottom { padding: 20px 0; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; font-size: .82rem; color: var(--text-low); }
.copyright-brand { color: var(--text-mid); }
.copyright-brand a { color: var(--text-mid); }
.copyright-brand a:hover { color: #fff; }

/* ---------- Mobile sticky bar ---------- */
.mobile-download-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1030;
  background: rgba(11,20,32,.92);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  transform: translateY(0);
  transition: transform .3s ease;
}
.mobile-download-bar.hide-bar { transform: translateY(120%); }
.mobile-download-bar .app-name { font-weight: 600; font-size: .95rem; color: #fff; white-space: nowrap; }
.mobile-download-bar .small { font-size: .75rem; color: var(--text-low); }
.mobile-download-bar .btn-amber { padding: 9px 20px; font-size: .9rem; margin-left: auto; }
.close-mobile-dl { width: 40px; height: 40px; border: none; background: transparent; color: var(--text-mid); border-radius: 50%; font-size: 1.25rem; }
.close-mobile-dl:hover { background: rgba(255,255,255,0.08); color: #fff; }
.dl-reopen-fab {
  display: none;
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 1030;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255,176,32,0.6);
  background: rgba(11,20,32,0.9);
  color: var(--accent);
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.dl-reopen-fab.show { display: inline-flex; animation: fade-in .3s; }
@keyframes fade-in { from { opacity: 0; transform: scale(.8); } to { opacity: 1; transform: scale(1); } }

/* ---------- Utility ---------- */
.badge-outline { display: inline-flex; align-items: center; gap: 6px; border-radius: 999px; padding: 4px 13px; font-size: .78rem; }
.hover-lift { transition: transform .3s ease, box-shadow .3s ease; }
.hover-lift:hover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(0,0,0,.28); }
.list-dot { list-style: none; padding-left: 4px; }
.list-dot li { position: relative; padding: 6px 0 6px 24px; color: var(--text-mid); font-size: .95rem; }
.list-dot li::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 15px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--primary);
  opacity: .8;
}
img.img-cover { object-fit: cover; }

/* ---------- Breakpoints ---------- */
@media (max-width: 1199px) {
  .nav-menu .nav-link-main { margin: 0 8px; font-size: .93rem; }
}
@media (max-width: 991px) {
  .hero { padding-top: 120px; }
  .nav-menu { display: none; }
  .mobile-nav-wrap { display: block; }
  .hero-visual { margin-top: 30px; }
  .carousel-slide-item .showcase-card { opacity: .8; transform: none; }
  .review-num h2 { font-size: 3.4rem; }
}
@media (min-width: 992px) {
  .mobile-nav-wrap { display: none; }
}
@media (max-width: 767px) {
  .hero h1 { letter-spacing: 0; }
  .data-band .data-item { margin-bottom: 18px; }
  .env-panel { margin-bottom: 20px; }
  .feed-feature .title { font-size: 1.15rem; }
  .cta-card { padding: 28px 22px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .qr-placeholder { width: 112px; height: 112px; }
}
@media (max-width: 575px) {
  body { font-size: .9rem; }
  .hero-actions .btn { width: 100%; }
  .env-list-item { flex-direction: column; align-items: flex-start; gap: 4px; }
  .review-bar-row { grid-template-columns: 72px 1fr 26px; }
  .feed-list-row { flex-wrap: wrap; }
  .feed-list-row .content-title { white-space: normal; }
  .mobile-download-bar .small { display: none; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* roulang page: article */
:root {
  --bg-canvas: #0B1420;
  --bg-deep: #070E17;
  --bg-panel: #111F2D;
  --glass-bg: rgba(18,34,48,.6);
  --glass-border: rgba(255,255,255,.12);
  --primary: #45E0D0;
  --primary-deep: #0F8A88;
  --accent: #FFB020;
  --violet: #8A7CFF;
  --text-hi: #F1F6FA;
  --text-mid: #B8C7D4;
  --text-low: #748A9B;
  --read-bg: #F5F7FA;
  --read-ink: #1C2A36;
  --r-lg: 20px;
  --r-md: 16px;
  --r-sm: 12px;
  --shadow-card: 0 10px 26px rgba(0,0,0,.22);
  --shadow-main: 0 20px 50px rgba(0,0,0,.35);
  --section-space: clamp(72px, 8vw, 120px);
}
* {
  box-sizing: border-box;
}
html, body {
  padding: 0;
  margin: 0;
}
body {
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  background-color: var(--bg-canvas);
  color: var(--text-hi);
  line-height: 1.85;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease;
}
img {
  max-width: 100%;
}
button,
input {
  font-family: inherit;
}
.container-xl {
  max-width: 1280px;
  padding-left: 24px;
  padding-right: 24px;
  margin-left: auto;
  margin-right: auto;
}
.container-read {
  max-width: 880px;
  padding-left: 24px;
  padding-right: 24px;
  margin-left: auto;
  margin-right: auto;
}
h1, h2, h3, h4 {
  margin-top: 0;
  line-height: 1.3;
  color: var(--text-hi);
}
h1 {
  font-size: clamp(1.9rem, 3.6vw, 2.8rem);
  font-weight: 800;
}
h2 {
  font-size: clamp(1.45rem, 2.2vw, 2.1rem);
  font-weight: 700;
}
h3 {
  font-size: 1.25rem;
  font-weight: 700;
}
p {
  margin-top: 0;
}
figure {
  margin: 0;
}
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  height: 72px;
  background: transparent;
  transition: background-color .3s ease, box-shadow .3s ease, border-color .3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(11,20,32,.78);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom-color: rgba(255,255,255,.08);
  box-shadow: 0 1px 12px rgba(0,0,0,.3);
}
@supports not (backdrop-filter: blur(4px)) {
  .site-header.scrolled {
    background: rgba(15,26,37,.96);
  }
}
.navbar-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-hi);
  letter-spacing: .01em;
}
.brand-logo .brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 20%, #2DAFA8, #0B1D2A 70%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.25), 0 0 16px rgba(69,224,208,.4);
  color: var(--primary);
  font-size: 1.2rem;
  position: relative;
}
.brand-logo .brand-icon::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  right: 2px;
  top: 4px;
  box-shadow: 0 0 8px rgba(255,176,32,.7);
}
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-menu {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0 18px 0 0;
  gap: 4px;
}
.nav-link-main {
  display: inline-block;
  padding: 10px 14px;
  color: var(--text-mid);
  font-weight: 500;
  font-size: .95rem;
  border-radius: 10px;
  position: relative;
  transition: color .2s ease, background .2s ease;
}
.nav-link-main:hover {
  color: #ffffff;
  background: rgba(255,255,255,.04);
}
.nav-link-main.active {
  color: #ffffff;
}
.nav-link-main.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.nav-cta-desktop {
  margin-left: 8px;
}
@media (max-width: 991.98px) {
  .nav-desktop {
    display: none;
  }
  .navbar-mobile-toggle {
    display: inline-flex;
  }
}
.navbar-mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255,255,255,.15);
  background: rgba(255,255,255,.04);
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.navbar-mobile-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  margin: 2px 0;
  position: relative;
  transition: background .2s ease;
}
.navbar-mobile-toggle span::before,
.navbar-mobile-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.navbar-mobile-toggle span::before {
  top: -6px;
}
.navbar-mobile-toggle span::after {
  top: 6px;
}
.mobile-drawer {
  position: fixed;
  top: 72px;
  left: 0;
  width: 100%;
  z-index: 999;
  background: rgba(11,20,32,.96);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  padding: 20px 24px 28px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  transform: translateY(-110%);
  transition: transform .3s ease;
}
.mobile-drawer.open {
  transform: translateY(0);
}
.mobile-drawer .mobile-nav-link {
  display: block;
  padding: 12px 8px;
  color: var(--text-mid);
  border-bottom: 1px solid rgba(255,255,255,.06);
  font-weight: 500;
}
.mobile-drawer .mobile-nav-link:last-child {
  border-bottom: 0;
}
.mobile-drawer .mobile-nav-link.active {
  color: var(--primary);
}
.mobile-nav-cta {
  margin-top: 18px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: var(--r-sm);
  font-weight: 600;
  font-size: .95rem;
  border: 1px solid transparent;
  transition: all .25s ease;
  cursor: pointer;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn:focus-visible,
a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}
.btn-amber {
  background: var(--accent);
  border-color: var(--accent);
  color: #101820;
  box-shadow: 0 0 0 0 rgba(255,176,32,.2);
}
.btn-amber:hover {
  background: #FFC247;
  border-color: #FFC247;
  color: #101820;
  box-shadow: 0 0 0 6px rgba(255,176,32,.2);
}
.btn-amber:active {
  opacity: .85;
  box-shadow: none;
  transform: scale(.98);
}
.btn-outline-primary {
  border: 1px solid rgba(69,224,208,.45);
  background: transparent;
  color: #ffffff;
}
.btn-outline-primary:hover {
  background: rgba(69,224,208,.12);
  border-color: rgba(69,224,208,.8);
  box-shadow: 0 0 0 4px rgba(69,224,208,.08);
}
.btn-ghost {
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.15);
  color: var(--text-mid);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.12);
  color: #fff;
  border-color: rgba(255,255,255,.28);
}
.btn-sm {
  padding: 7px 16px;
  font-size: .86rem;
  border-radius: 10px;
}
.btn-lg {
  padding: 16px 34px;
  font-size: 1.05rem;
  border-radius: 16px;
}
@media (max-width: 575.98px) {
  .btn-lg {
    width: 100%;
    padding-left: 20px;
    padding-right: 20px;
  }
}
.article-hero-band {
  padding-top: 136px;
  padding-bottom: 52px;
  background-color: var(--bg-canvas);
  background-image:
    radial-gradient(circle at 20% 10%, rgba(69,224,208,.12), transparent 40%),
    radial-gradient(circle at 80% 20%, rgba(128,124,255,.08), transparent 35%);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.breadcrumb-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: .875rem;
  color: var(--text-low);
  margin-bottom: 28px;
}
.breadcrumb-line a {
  color: var(--text-low);
}
.breadcrumb-line a:hover {
  color: var(--primary);
}
.breadcrumb-line .sep {
  opacity: .5;
}
.breadcrumb-line .current {
  color: var(--text-mid);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 280px;
}
@media (max-width: 575.98px) {
  .breadcrumb-line .current {
    max-width: 180px;
  }
}
.article-h1-row {
  border-bottom: 2px solid rgba(69,224,208,.25);
  padding-bottom: 22px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin-top: 22px;
  font-size: .9rem;
  color: var(--text-low);
}
.article-meta .meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.article-meta .meta-chip i {
  color: var(--primary);
}
.article-main {
  position: relative;
}
.article-env-wave {
  background: var(--bg-deep);
  padding-top: 10px;
}
.article-paper {
  background: var(--read-bg);
  color: var(--read-ink);
  border-radius: 24px;
  padding: clamp(32px, 6vw, 66px);
  margin-top: -20px;
  box-shadow: var(--shadow-main);
}
@media (max-width: 767.98px) {
  .article-paper {
    padding: 28px 20px;
    border-radius: 18px;
  }
}
.article-paper h2,
.article-paper h3,
.article-paper h4 {
  color: var(--read-ink);
}
.article-paper h2 {
  font-size: 1.7rem;
  margin-top: 40px;
  margin-bottom: 18px;
  padding-bottom: 8px;
  border-bottom: 2px solid rgba(15,138,136,.12);
}
.article-paper h3 {
  font-size: 1.35rem;
  margin-top: 24px;
  margin-bottom: 14px;
}
.article-paper p {
  margin-bottom: 1.5em;
  line-height: 1.9;
}
.article-paper a {
  color: var(--primary-deep);
  text-decoration: underline;
  text-decoration-color: rgba(15,138,136,.3);
  text-underline-offset: 4px;
}
.article-paper a:hover {
  text-decoration-color: currentColor;
}
.article-paper blockquote {
  border-left: 4px solid var(--primary-deep);
  background: #e9eff4;
  margin: 1.8em 0;
  padding: 18px 24px;
  border-radius: 0 14px 14px 0;
  color: #31414d;
}
.article-paper img {
  border-radius: 18px;
  margin: 28px 0 8px;
  width: 100%;
  object-fit: cover;
}
.article-paper figure {
  margin-bottom: 12px;
}
.article-paper figcaption {
  font-size: .875rem;
  color: #8c9aa5;
  text-align: center;
  margin-bottom: 18px;
}
.article-paper ul,
.article-paper ol {
  margin: 0 0 1.8em 1.2em;
}
.article-paper li {
  margin-bottom: 6px;
}
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid rgba(28,42,54,.1);
}
.article-tags .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #e8edf1;
  color: #3a4b59;
  padding: 7px 16px;
  border-radius: 999px;
  font-size: .86rem;
}
.not-found-box {
  background: var(--bg-panel);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r-lg);
  padding: 56px 28px;
  text-align: center;
  box-shadow: var(--shadow-card);
}
.not-found-box .nf-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  color: var(--primary);
  background: rgba(69,224,208,.12);
  border: 1px solid rgba(69,224,208,.25);
}
.not-found-box h2 {
  font-size: 1.4rem;
  margin-bottom: 8px;
}
.related-section {
  padding: 64px 0 56px;
}
.section-head-line {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 32px;
  gap: 20px;
}
.section-head-line .eyebrow {
  color: var(--primary);
  font-size: .86rem;
  font-weight: 600;
  letter-spacing: .04em;
  margin-bottom: 6px;
  text-transform: uppercase;
}
.section-head-line h2 {
  margin-bottom: 0;
}
.related-card {
  background: var(--bg-panel);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: var(--r-md);
  overflow: hidden;
  height: 100%;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  box-shadow: 0 6px 16px rgba(0,0,0,.18);
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 36px rgba(0,0,0,.3);
  border-color: rgba(69,224,208,.3);
}
.related-card .card-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.related-card .card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.related-card .cover-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 40%, rgba(11,20,32,.85));
}
.related-card .cat-badge {
  position: absolute;
  left: 14px;
  top: 14px;
  background: rgba(69,224,208,.15);
  border: 1px solid rgba(69,224,208,.25);
  color: var(--primary);
  font-size: .8rem;
  padding: 4px 12px;
  border-radius: 999px;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.related-card .card-body {
  padding: 18px;
}
.related-card .card-title {
  font-size: 1.07rem;
  font-weight: 700;
  color: var(--text-hi);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card .card-text {
  color: var(--text-mid);
  font-size: .9rem;
  margin-top: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card .card-date {
  color: var(--text-low);
  font-size: .82rem;
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.footer {
  background-color: var(--bg-deep);
  background-image:
    linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size: 24px 24px;
  border-top: 1px solid rgba(69,224,208,.25);
  padding-top: 64px;
  padding-bottom: 28px;
}
.footer-top {
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand {
  margin-bottom: 12px;
}
.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-hi);
}
.footer-logo .brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 20%, #2DAFA8, #0B1D2A 70%);
  color: var(--primary);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 0 14px rgba(69,224,208,.3);
  font-size: 1rem;
}
.footer-desc {
  margin: 18px 0 16px;
  color: var(--text-low);
  font-size: .96rem;
  max-width: 380px;
}
.footer-list-title {
  color: var(--text-hi);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 14px;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: var(--text-mid);
  font-size: .92rem;
}
.footer-links a:hover {
  color: var(--primary);
  padding-left: 4px;
}
.footer-updates {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-update-line {
  color: var(--text-mid);
  font-size: .88rem;
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.footer-update-line i {
  color: var(--primary);
}
.footer-update-line .time {
  margin-left: auto;
  color: var(--text-low);
  font-size: .8rem;
  white-space: nowrap;
}
.footer-update-line:hover {
  color: var(--primary);
}
.footer-sub {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}
.footer-sub input {
  flex: 1;
  min-width: 0;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 12px;
  padding: 10px 14px;
  color: #ffffff;
}
.footer-sub input:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  background: rgba(255,255,255,.1);
}
.footer-sub input::placeholder {
  color: var(--text-low);
}
.footer-sub .btn {
  border-radius: 12px;
  padding-left: 15px;
  padding-right: 15px;
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-top: 26px;
  color: var(--text-low);
  font-size: .86rem;
}
.footer-bottom a {
  color: var(--text-low);
}
.footer-bottom a:hover {
  color: var(--primary);
}
.bottom-download-bar {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  z-index: 1100;
  background: rgba(11,20,32,.9);
  border-top: 1px solid rgba(255,255,255,.12);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  padding: 12px 18px;
  display: none;
  transform: translateY(0);
  transition: transform .3s ease;
}
.bottom-download-bar.hide {
  transform: translateY(110%);
}
.bottom-bar-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 680px;
  margin: 0 auto;
}
.bottom-bar-title {
  color: var(--text-hi);
  font-size: .92rem;
  font-weight: 600;
  margin-right: auto;
}
.bottom-bar-close {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255,255,255,.18);
  background: transparent;
  color: var(--text-mid);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
}
.bottom-bar-close:hover {
  color: #fff;
  border-color: rgba(255,255,255,.4);
}
@media (max-width: 991.98px) {
  .bottom-download-bar {
    display: block;
  }
  body {
    padding-bottom: 64px;
  }
  .navbar-mobile-toggle {
    display: inline-flex;
  }
}
.mobile-reopen {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 12px;
  z-index: 1150;
  background: var(--accent);
  color: #101820;
  border-radius: 999px;
  padding: 10px 20px;
  font-weight: 700;
  font-size: .88rem;
  border: 0;
  display: none;
  cursor: pointer;
  box-shadow: 0 8px 30px rgba(255,176,32,.2);
}
.mobile-reopen.show {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

/* roulang page: category1 */
:root {
      --bg-canvas: #0B1420;
      --bg-deep: #070E17;
      --bg-panel: #111F2D;
      --glass-bg: rgba(18, 34, 48, 0.6);
      --glass-border: rgba(255, 255, 255, 0.12);
      --primary: #45E0D0;
      --primary-deep: #0F8A88;
      --accent: #FFB020;
      --violet: #8A7CFF;
      --text-hi: #F1F6FA;
      --text-mid: #B8C7D4;
      --text-low: #748A9B;
      --radius-lg: 20px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --shadow-card: 0 10px 26px rgba(0, 0, 0, 0.22);
      --shadow-float: 0 20px 50px rgba(0, 0, 0, 0.35);
      --footer-grid: rgba(255, 255, 255, 0.03);
      --transition: 0.25s ease;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      scroll-padding-top: 92px;
    }

    body {
      margin: 0;
      background: var(--bg-canvas);
      color: var(--text-hi);
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      line-height: 1.7;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    body.modal-open,
    body.nav-open {
      overflow: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      display: block;
      max-width: 100%;
    }

    button,
    input {
      font-family: inherit;
    }

    .container-xl {
      max-width: 1240px;
    }

    .section {
      padding: clamp(72px, 8vw, 120px) 0;
    }

    .section-sm {
      padding: 64px 0;
    }

    .section-title {
      font-size: clamp(1.75rem, 2.4vw, 2.5rem);
      font-weight: 700;
      line-height: 1.3;
      letter-spacing: -0.02em;
      margin-bottom: 16px;
    }

    .section-intro {
      color: var(--text-mid);
      max-width: 760px;
      margin-bottom: 0;
    }

    .text-primary-brand {
      color: var(--primary);
    }

    .text-accent-brand {
      color: var(--accent);
    }

    :focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 3px;
    }

    /* ===== 导航 ===== */
    .site-nav {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1040;
      min-height: 72px;
      background: transparent;
      transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
      border-bottom: 1px solid transparent;
    }

    .site-nav.scrolled {
      background: rgba(11, 20, 32, 0.78);
      -webkit-backdrop-filter: blur(16px);
      backdrop-filter: blur(16px);
      border-bottom-color: rgba(255, 255, 255, 0.07);
    }

    .site-nav .navbar {
      min-height: 72px;
      padding: 0;
    }

    .navbar-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      font-size: 1.2rem;
      color: var(--text-hi);
      letter-spacing: -0.01em;
      padding: 0;
    }

    .navbar-brand .brand-icon {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      background: linear-gradient(145deg, rgba(69, 224, 208, 0.16), rgba(7, 14, 23, 0.9));
      border: 1px solid rgba(69, 224, 208, 0.4);
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.13), 0 0 16px rgba(69, 224, 208, 0.14);
      font-size: 1.2rem;
      position: relative;
    }

    .navbar-brand .brand-icon::after {
      content: "";
      position: absolute;
      top: 3px;
      right: 3px;
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 8px rgba(255, 176, 32, 0.8);
    }

    .navbar-brand:hover,
    .navbar-brand:focus {
      color: var(--text-hi);
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .nav-link-main {
      display: block;
      color: var(--text-mid);
      font-size: 0.95rem;
      font-weight: 500;
      padding: 22px 14px;
      margin: 0 2px;
      position: relative;
      line-height: 1.2;
      transition: color 0.25s ease;
    }

    .nav-link-main::after {
      content: "";
      position: absolute;
      left: 14px;
      right: 100%;
      bottom: 12px;
      height: 2px;
      border-radius: 2px;
      background: var(--primary);
      transition: right 0.25s ease;
    }

    .nav-link-main:hover,
    .nav-link-main:focus,
    .nav-link-main.active {
      color: var(--text-hi);
    }

    .nav-link-main:hover::after,
    .nav-link-main.active::after {
      right: 14px;
    }

    .btn-outline-amber {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 40px;
      padding: 0 18px;
      border-radius: 12px;
      border: 1px solid rgba(255, 176, 32, 0.6);
      background: rgba(255, 176, 32, 0.03);
      color: var(--accent);
      font-weight: 700;
      font-size: 0.92rem;
      outline: none;
      transition: all 0.25s ease;
    }

    .btn-outline-amber:hover,
    .btn-outline-amber:focus {
      background: rgba(255, 176, 32, 0.12);
      color: #fff3df;
      box-shadow: 0 0 0 4px rgba(255, 176, 32, 0.12);
    }

    .navbar-toggler {
      border: 0;
      width: 46px;
      height: 46px;
      padding: 0;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      background: transparent;
      box-shadow: none;
    }

    .navbar-toggler:focus {
      box-shadow: 0 0 0 3px rgba(69, 224, 208, 0.25);
    }

    .toggler-bars {
      width: 20px;
      height: 16px;
      position: relative;
      display: block;
    }

    .toggler-bars span {
      position: absolute;
      left: 0;
      width: 20px;
      height: 2px;
      border-radius: 4px;
      background: var(--primary);
      transition: transform 0.25s ease, opacity 0.25s ease, top 0.25s ease;
    }

    .toggler-bars span:nth-child(1) {
      top: 0;
    }

    .toggler-bars span:nth-child(2) {
      top: 7px;
    }

    .toggler-bars span:nth-child(3) {
      top: 14px;
    }

    .navbar-toggler[aria-expanded="true"] .toggler-bars span:nth-child(1) {
      top: 7px;
      transform: rotate(45deg);
    }

    .navbar-toggler[aria-expanded="true"] .toggler-bars span:nth-child(2) {
      opacity: 0;
    }

    .navbar-toggler[aria-expanded="true"] .toggler-bars span:nth-child(3) {
      top: 7px;
      transform: rotate(-45deg);
    }

    @media (max-width: 991.98px) {
      .site-nav .navbar-collapse {
        background: rgba(9, 16, 25, 0.97);
        -webkit-backdrop-filter: blur(20px);
        backdrop-filter: blur(20px);
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 20px;
        margin-top: 12px;
        padding: 18px;
        box-shadow: var(--shadow-float);
      }

      .nav-menu {
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
        width: 100%;
      }

      .nav-link-main {
        padding: 12px 12px;
        border-radius: 10px;
      }

      .nav-link-main::after {
        display: none;
      }

      .nav-link-main.active {
        background: rgba(69, 224, 208, 0.08);
      }

      .btn-outline-amber {
        margin-left: 0;
        margin-top: 12px;
        width: 100%;
      }
    }

    @supports not (backdrop-filter: blur(4px)) {
      .site-nav.scrolled {
        background: rgba(11, 20, 32, 0.96);
      }

      .site-nav .navbar-collapse {
        background: rgba(9, 16, 25, 0.98);
      }
    }

    /* ===== 分类横幅 ===== */
    .category-hero {
      position: relative;
      min-height: 300px;
      padding-top: 140px;
      padding-bottom: 56px;
      background: var(--bg-deep);
      overflow: hidden;
    }

    .category-hero .hero-media {
      position: absolute;
      inset: 0;
      background-image: linear-gradient(90deg, rgba(7, 14, 23, 0.88) 0%, rgba(7, 14, 23, 0.72) 40%, rgba(7, 14, 23, 0.1) 100%), linear-gradient(15deg, rgba(7, 14, 23, 0.6), transparent 70%), url('/assets/images/backpic/back-2.webp');
      background-position: center right;
      background-size: cover;
      background-repeat: no-repeat;
    }

    .category-hero::before {
      content: "";
      position: absolute;
      top: -40px;
      left: 0;
      width: 360px;
      height: 360px;
      background: radial-gradient(circle, rgba(69, 224, 208, 0.16) 0%, rgba(69, 224, 208, 0) 62%);
      pointer-events: none;
      z-index: 1;
    }

    .category-hero::after {
      content: "";
      position: absolute;
      bottom: -120px;
      right: -50px;
      width: 520px;
      height: 520px;
      background: radial-gradient(circle, rgba(138, 124, 255, 0.1) 0%, rgba(138, 124, 255, 0) 58%);
      pointer-events: none;
      z-index: 1;
    }

    .category-hero .hero-grid {
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
      background-size: 56px 56px;
      pointer-events: none;
      z-index: 1;
    }

    .category-hero .hero-content {
      position: relative;
      z-index: 2;
    }

    .category-breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.86rem;
      color: var(--text-low);
      margin-bottom: 18px;
    }

    .category-breadcrumb a {
      color: var(--text-mid);
      transition: color 0.2s ease;
    }

    .category-breadcrumb a:hover {
      color: var(--primary);
    }

    .category-breadcrumb .separator {
      color: var(--text-low);
      opacity: 0.6;
    }

    .hero-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(69, 224, 208, 0.08);
      border: 1px solid rgba(69, 224, 208, 0.18);
      color: var(--primary);
      font-size: 0.8rem;
      font-weight: 700;
      padding: 5px 12px;
      border-radius: 999px;
      margin-bottom: 18px;
      letter-spacing: 0.06em;
    }

    .category-hero h1 {
      font-size: clamp(2.25rem, 4.2vw, 3.6rem);
      font-weight: 800;
      line-height: 1.2;
      margin-bottom: 16px;
      letter-spacing: -0.02em;
      color: var(--text-hi);
    }

    .category-hero h1 span {
      color: var(--accent);
    }

    .category-hero .lead {
      color: var(--text-mid);
      font-size: 1.08rem;
      line-height: 1.9;
      max-width: 720px;
      margin-bottom: 22px;
    }

    @media (max-width: 991.98px) {
      .category-hero {
        padding-top: 130px;
        padding-bottom: 44px;
      }

      .category-hero .hero-media {
        background-position: 70% center;
      }
    }

    @media (max-width: 575.98px) {
      .category-hero {
        padding-top: 125px;
      }

      .category-hero h1 {
        font-size: 1.9rem;
      }

      .category-hero .lead {
        font-size: 0.96rem;
      }
    }

    /* ===== 按钮 ===== */
    .btn-amber {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: var(--accent);
      border: 1px solid var(--accent);
      color: #101820;
      font-weight: 700;
      border-radius: 12px;
      padding: 10px 20px;
      font-size: 0.94rem;
      box-shadow: 0 0 0 0 rgba(255, 176, 32, 0.2);
      transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
    }

    .btn-amber:hover,
    .btn-amber:focus {
      background: #ffc247;
      border-color: #ffc247;
      color: #101820;
      box-shadow: 0 0 0 6px rgba(255, 176, 32, 0.18);
    }

    .btn-amber:active {
      opacity: 0.88;
    }

    .btn-outline-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: transparent;
      border: 1px solid rgba(69, 224, 208, 0.48);
      color: var(--text-hi);
      font-weight: 600;
      border-radius: 12px;
      padding: 10px 20px;
      font-size: 0.94rem;
      transition: all 0.25s ease;
    }

    .btn-outline-primary:hover,
    .btn-outline-primary:focus {
      border-color: var(--primary);
      background: rgba(69, 224, 208, 0.1);
      box-shadow: 0 0 0 5px rgba(69, 224, 208, 0.12);
      color: #fff;
    }

    .btn-panel {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      background: var(--bg-panel);
      border: 1px solid rgba(255, 255, 255, 0.1);
      color: var(--text-hi);
      font-weight: 600;
      border-radius: 12px;
      padding: 9px 16px;
      font-size: 0.9rem;
      transition: all 0.22s ease;
    }

    .btn-panel:hover {
      background: rgba(255, 255, 255, 0.08);
      color: #fff;
    }

    /* ===== 卡片通用 ===== */
    .surface-card,
    .game-card {
      background: var(--bg-panel);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: 16px;
      box-shadow: var(--shadow-card);
    }

    .status-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border-radius: 999px;
      padding: 4px 11px;
      font-size: 0.78rem;
      font-weight: 700;
      line-height: 1.4;
      white-space: nowrap;
    }

    .status-pill.teal {
      background: rgba(69, 224, 208, 0.12);
      border: 1px solid rgba(69, 224, 208, 0.25);
      color: var(--primary);
    }

    .status-pill.amber {
      background: rgba(255, 176, 32, 0.12);
      border: 1px solid rgba(255, 176, 32, 0.25);
      color: var(--accent);
    }

    .status-pill.gray {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.07);
      color: var(--text-mid);
    }

    .platform-tag {
      display: inline-flex;
      align-items: center;
      background: rgba(255, 255, 255, 0.06);
      color: var(--text-mid);
      font-size: 0.78rem;
      font-weight: 600;
      padding: 3px 8px;
      border-radius: 6px;
    }

    .tag-chip {
      display: inline-flex;
      align-items: center;
      background: rgba(255, 255, 255, 0.06);
      color: var(--text-mid);
      border-radius: 999px;
      padding: 4px 10px;
      font-size: 0.78rem;
    }

    /* ===== 时间轴 ===== */
    .timeline-section {
      background: var(--bg-canvas);
    }

    .section-head-row {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 20px;
      margin-bottom: 44px;
    }

    .section-kicker {
      color: var(--primary);
      font-weight: 700;
      letter-spacing: 0.08em;
      font-size: 0.82rem;
      margin-bottom: 8px;
      text-transform: uppercase;
    }

    .timeline-track {
      position: relative;
    }

    .timeline-track .track-line {
      position: absolute;
      left: 4%;
      right: 4%;
      top: 26px;
      height: 2px;
      background: linear-gradient(90deg, rgba(69, 224, 208, 0.3), var(--primary), rgba(138, 124, 255, 0.7));
      border-radius: 4px;
    }

    .timeline-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .timeline-item {
      position: relative;
      z-index: 2;
      min-width: 0;
    }

    .timeline-head {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .timeline-node {
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: var(--bg-canvas);
      border: 3px solid var(--primary);
      box-shadow: 0 0 0 6px rgba(69, 224, 208, 0.12), 0 0 14px rgba(69, 224, 208, 0.25);
      flex: 0 0 auto;
    }

    .timeline-label {
      color: var(--text-hi);
      font-weight: 700;
      font-size: 0.95rem;
    }

    .timeline-sub {
      color: var(--text-low);
      font-size: 0.78rem;
      margin-top: 2px;
    }

    .timeline-tile {
      background: rgba(17, 31, 45, 0.82);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: 16px;
      padding: 18px;
      height: 100%;
      transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
    }

    .timeline-tile:hover {
      transform: translateY(-4px);
      border-color: rgba(69, 224, 208, 0.3);
      background: var(--bg-panel);
    }

    .timeline-tile-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      margin-bottom: 12px;
    }

    .timeline-tile h3 {
      color: var(--text-hi);
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .timeline-tile p {
      color: var(--text-low);
      font-size: 0.86rem;
      line-height: 1.7;
      margin-bottom: 12px;
    }

    .timeline-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    @media (max-width: 991.98px) {
      .timeline-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .timeline-track .track-line {
        display: none;
      }
    }

    @media (max-width: 575.98px) {
      .timeline-grid {
        grid-template-columns: 1fr;
      }
    }

    /* ===== 焦点新游区域 ===== */
    .newgame-section {
      background: linear-gradient(180deg, var(--bg-canvas) 0%, var(--bg-deep) 100%);
    }

    .game-card-large {
      background: var(--bg-panel);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: 22px;
      overflow: hidden;
      height: 100%;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-card);
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    }

    .game-card-large:hover {
      transform: translateY(-4px);
      border-color: rgba(69, 224, 208, 0.25);
      box-shadow: 0 18px 42px rgba(0, 0, 0, 0.26);
    }

    .game-card-large .poster-wrap {
      position: relative;
      aspect-ratio: 16 / 9;
      overflow: hidden;
      background: var(--bg-deep);
    }

    .poster-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .game-card-large:hover .poster-wrap img {
      transform: scale(1.04);
    }

    .poster-shade {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 28%, rgba(7, 14, 23, 0.56) 76%, rgba(7, 14, 23, 0.92) 100%);
      pointer-events: none;
    }

    .poster-badges {
      position: absolute;
      top: 16px;
      left: 16px;
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    .game-card-large .card-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .game-card-large h3 {
      font-size: 1.45rem;
      color: var(--text-hi);
      font-weight: 800;
      margin-bottom: 10px;
    }

    .game-card-large .desc {
      color: var(--text-mid);
      font-size: 0.98rem;
      line-height: 1.85;
      margin-bottom: 16px;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: auto;
      margin-bottom: 18px;
    }

    .card-footer-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 10px;
      padding-top: 14px;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
    }

    .update-note {
      color: var(--text-low);
      font-size: 0.82rem;
    }

    .vertical-game-card {
      background: var(--bg-panel);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: 20px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
      transition: transform 0.25s ease, border-color 0.25s ease;
      box-shadow: var(--shadow-card);
    }

    .vertical-game-card:hover {
      transform: translateY(-3px);
      border-color: rgba(69, 224, 208, 0.28);
    }

    .vertical-game-card .poster-wrap {
      aspect-ratio: 16 / 9;
      position: relative;
      overflow: hidden;
    }

    .vertical-game-card .mini-body {
      padding: 18px 18px 19px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .vertical-game-card h3 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-hi);
      margin: 12px 0 7px;
    }

    .vertical-game-card .desc {
      color: var(--text-low);
      font-size: 0.88rem;
      line-height: 1.7;
      margin-bottom: 14px;
    }

    .mini-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
      margin-top: auto;
    }

    .mini-meta .mini-link {
      margin-left: auto;
      color: var(--primary);
      font-weight: 700;
      font-size: 0.88rem;
    }

    .mini-meta .mini-link:hover {
      color: #fff;
    }

    .mini-top-line {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
    }

    @media (max-width: 767.98px) {
      .game-card-large .card-body {
        padding: 18px;
      }
    }

    /* ===== 订阅提醒 ===== */
    .subscribe-banner {
      background: var(--bg-deep);
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .subscribe-box {
      background: var(--bg-panel);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 24px;
      padding: clamp(32px, 5vw, 56px);
      position: relative;
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }

    .subscribe-box::before {
      content: "";
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 90% 20%, rgba(69, 224, 208, 0.08), transparent 40%), radial-gradient(circle at 12% 80%, rgba(255, 176, 32, 0.05), transparent 35%);
      pointer-events: none;
    }

    .subscribe-box .inner {
      position: relative;
      z-index: 1;
    }

    .subscribe-title {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .subscribe-copy {
      color: var(--text-mid);
      margin-bottom: 24px;
      max-width: 760px;
    }

    .subscribe-form {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      max-width: 760px;
    }

    .subscribe-form input {
      flex: 1 1 300px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.14);
      color: var(--text-hi);
      padding: 11px 16px;
      font-size: 0.95rem;
      border-radius: 12px;
      height: 46px;
      outline: none;
      transition: border-color 0.24s ease, box-shadow 0.24s ease;
    }

    .subscribe-form input::placeholder {
      color: var(--text-low);
    }

    .subscribe-form input:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(69, 224, 208, 0.12);
    }

    .subscribe-form .btn-amber {
      height: 46px;
      min-width: 130px;
    }

    .subscribe-note {
      font-size: 0.82rem;
      color: var(--text-low);
      margin-top: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* ===== 关注点 ===== */
    .steps-section {
      background: var(--bg-canvas);
    }

    .step-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .step-item {
      background: rgba(17, 31, 45, 0.72);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: 18px;
      padding: 24px 20px;
      height: 100%;
      transition: transform 0.24s ease, border-color 0.24s ease, background 0.24s ease;
    }

    .step-item:hover {
      transform: translateY(-4px);
      background: var(--bg-panel);
      border-color: rgba(69, 224, 208, 0.2);
    }

    .step-icon {
      width: 46px;
      height: 46px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(69, 224, 208, 0.1);
      border: 1px solid rgba(69, 224, 208, 0.22);
      color: var(--primary);
      font-size: 1.3rem;
      margin-bottom: 16px;
    }

    .step-item h3 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-hi);
      margin-bottom: 8px;
    }

    .step-item p {
      color: var(--text-low);
      font-size: 0.88rem;
      margin-bottom: 0;
      line-height: 1.7;
    }

    @media (max-width: 991.98px) {
      .step-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 575.98px) {
      .step-grid {
        grid-template-columns: 1fr;
      }
    }

    /* ===== FAQ ===== */
    .faq-section {
      background: var(--bg-deep);
    }

    .faq-wrap {
      max-width: 880px;
      margin: 0 auto;
    }

    .faq-heading {
      text-align: center;
      margin-bottom: 44px;
    }

    .faq-heading .section-title {
      margin-bottom: 12px;
    }

    .faq-card {
      background: var(--bg-panel);
      border: 1px solid rgba(255, 255, 255, 0.07);
      border-radius: 16px;
      margin-bottom: 12px;
      overflow: hidden;
    }

    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      width: 100%;
      text-align: left;
      background: transparent;
      border: 0;
      color: var(--text-mid);
      padding: 0 20px;
      min-height: 60px;
      font-weight: 600;
      font-size: 0.98rem;
      line-height: 1.4;
      border-radius: 0;
      box-shadow: none;
      transition: color 0.2s ease;
    }

    .faq-question:hover,
    .faq-question:focus {
      color: var(--text-hi);
    }

    .faq-question:not(.collapsed) {
      color: var(--text-hi);
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .faq-question .faq-icon {
      width: 24px;
      height: 24px;
      flex: 0 0 auto;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      color: var(--primary);
      font-size: 0.95rem;
      transition: transform 0.24s ease;
    }

    .faq-question.collapsed .faq-icon {
      color: var(--text-low);
    }

    .faq-card .faq-answer {
      padding: 18px 22px 22px;
      color: var(--text-mid);
      font-size: 0.94rem;
      line-height: 1.85;
    }

    .faq-card .faq-answer p:last-child {
      margin-bottom: 0;
    }

    .faq-card .faq-answer a {
      color: var(--primary);
      font-weight: 600;
    }

    .faq-card .faq-answer a:hover {
      text-decoration: underline;
    }

    .disclaimer-note {
      max-width: 880px;
      margin: 28px auto 0;
      text-align: center;
      color: var(--text-low);
      font-size: 0.84rem;
      border: 1px dashed rgba(255, 255, 255, 0.14);
      border-radius: 14px;
      padding: 14px 18px;
      background: rgba(255, 255, 255, 0.02);
    }

    /* ===== CTA ===== */
    .category-cta {
      background: var(--bg-canvas);
      position: relative;
      overflow: hidden;
    }

    .category-cta::before {
      content: "";
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 50% 20%, rgba(69, 224, 208, 0.1), transparent 40%);
      pointer-events: none;
    }

    .cta-card {
      background: var(--bg-panel);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 24px;
      padding: clamp(40px, 5vw, 64px);
      text-align: center;
      position: relative;
      z-index: 2;
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }

    .cta-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 10%;
      right: 10%;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--accent), transparent);
      opacity: 0.7;
    }

    .cta-card h2 {
      font-size: clamp(1.6rem, 3vw, 2.4rem);
      font-weight: 800;
      margin-bottom: 14px;
    }

    .cta-card p {
      max-width: 660px;
      margin: 0 auto 28px;
      color: var(--text-mid);
      font-size: 1rem;
    }

    .cta-btns {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 14px;
    }

    @media (max-width: 575.98px) {
      .cta-btns .btn-amber,
      .cta-btns .btn-outline-primary {
        width: 100%;
      }
    }

    /* ===== Footer ===== */
    .footer {
      background: var(--bg-deep);
      border-top: 1px solid var(--primary);
      color: var(--text-mid);
      position: relative;
    }

    .footer::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
      background-size: 42px 42px;
      pointer-events: none;
    }

    .footer .footer-top {
      position: relative;
      z-index: 2;
      padding: 66px 0 42px;
    }

    .footer-brand .footer-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--text-hi);
      font-size: 1.15rem;
      font-weight: 800;
      margin-bottom: 14px;
    }

    .footer-logo .brand-icon {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      background: rgba(69, 224, 208, 0.09);
      border: 1px solid rgba(69, 224, 208, 0.36);
      font-size: 1.2rem;
    }

    .footer-desc {
      color: var(--text-low);
      font-size: 0.9rem;
      line-height: 1.8;
      max-width: 360px;
    }

    .footer-list-title {
      color: var(--text-hi);
      font-weight: 700;
      font-size: 0.95rem;
      margin-bottom: 14px;
    }

    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .footer-links li {
      margin-bottom: 8px;
    }

    .footer-links a {
      color: var(--text-mid);
      font-size: 0.9rem;
      transition: color 0.2s ease;
    }

    .footer-links a:hover {
      color: var(--primary);
    }

    .footer-updates {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-update-line {
      display: flex;
      align-items: center;
      gap: 4px;
      color: var(--text-mid);
      font-size: 0.88rem;
      line-height: 1.5;
      transition: color 0.2s ease;
    }

    .footer-update-line:hover {
      color: var(--primary);
    }

    .footer-update-line i {
      color: var(--primary);
    }

    .footer-update-line .time {
      margin-left: auto;
      color: var(--text-low);
      font-size: 0.78rem;
      white-space: nowrap;
      padding-left: 10px;
    }

    .footer-sub {
      display: flex;
      gap: 8px;
      margin-top: 12px;
    }

    .footer-sub input {
      flex: 1;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.14);
      color: var(--text-hi);
      border-radius: 10px;
      padding: 8px 12px;
      font-size: 0.88rem;
      height: 42px;
      min-width: 0;
      outline: none;
      transition: border-color 0.2s ease;
    }

    .footer-sub input:focus {
      border-color: var(--primary);
    }

    .footer-sub input::placeholder {
      color: var(--text-low);
    }

    .footer-sub .btn-amber {
      height: 42px;
      min-width: 42px;
      padding: 0 14px;
      border-radius: 10px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 18px 0;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 8px;
      color: var(--text-low);
      font-size: 0.84rem;
      position: relative;
      z-index: 2;
    }

    .footer-bottom a {
      color: var(--text-mid);
    }

    .footer-bottom a:hover {
      color: var(--primary);
    }

    @media (max-width: 575.98px) {
      .footer .footer-top {
        padding: 50px 0 30px;
      }

      .footer-bottom {
        justify-content: center;
        text-align: center;
      }

      .footer-sub input {
        min-width: 0;
      }
    }

    /* ===== reduced motion ===== */
    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
      }
    }

/* roulang page: category2 */
:root {
  --bg-canvas: #0B1420;
  --bg-deep: #070E17;
  --bg-panel: #111F2D;
  --glass-bg: rgba(18, 34, 48, 0.6);
  --glass-border: rgba(255, 255, 255, 0.12);
  --primary: #45E0D0;
  --primary-deep: #0F8A88;
  --accent: #FFB020;
  --violet: #8A7CFF;
  --text-hi: #F1F6FA;
  --text-mid: #B8C7D4;
  --text-low: #748A9B;
  --border-weak: rgba(255,255,255,0.06);
  --border-line: rgba(255,255,255,0.12);
  --radius-xl: 20px;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --shadow-card: 0 10px 26px rgba(0,0,0,0.22);
  --shadow-main: 0 20px 50px rgba(0,0,0,0.35);
  --font-main: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}
*,
*::before,
*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-main);
  background-color: var(--bg-canvas);
  color: var(--text-hi);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button, input, textarea { font: inherit; }
ul, ol { margin: 0; }
h1, h2, h3, h4, p { margin: 0; }

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 8px;
}

.container-xl {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1080;
  height: 72px;
  display: flex;
  align-items: center;
  background: rgba(7, 14, 23, 0.28);
  transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(11, 20, 32, 0.82);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom-color: var(--border-weak);
  box-shadow: 0 8px 30px rgba(0,0,0,0.25);
}
.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.brand-block {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: .02em;
  color: var(--text-hi);
}
.brand-icon {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--primary);
  font-size: 1.3rem;
  position: relative;
  background:
    radial-gradient(circle at 30% 30%, rgba(69, 224, 208, 0.35), transparent 42%),
    linear-gradient(145deg, #172A3A, #0A1119);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.2),
    0 0 20px rgba(69,224,208,0.12);
}
.brand-icon::after {
  content: "";
  position: absolute;
  top: 0;
  right: -1px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(255,176,32,.8);
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.7rem;
}
.nav-link-main {
  position: relative;
  color: var(--text-mid);
  font-weight: 600;
  font-size: .95rem;
  padding: 6px 0 8px;
  transition: color .2s ease;
  letter-spacing: .01em;
}
.nav-link-main::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--primary);
  transition: width .2s ease;
}
.nav-link-main:hover { color: #fff; }
.nav-link-main:hover::after { width: 100%; }
.nav-link-main.active { color: #fff; }
.nav-link-main.active::after { width: 100%; }
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 46px;
  height: 46px;
  padding: 9px 12px;
  border: 1px solid var(--border-weak);
  background: rgba(17,31,45,.6);
  border-radius: var(--radius-md);
  cursor: pointer;
}
.nav-toggle-line {
  display: block;
  height: 2px;
  width: 20px;
  border-radius: 4px;
  background: var(--primary);
  transition: transform .25s ease, opacity .2s ease;
}
.nav-toggle.open .nav-toggle-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open .nav-toggle-line:nth-child(2) { opacity: 0; }
.nav-toggle.open .nav-toggle-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.category-hero {
  margin-top: 72px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 0%, rgba(69,224,208,.16), transparent 34%),
    radial-gradient(circle at 92% 28%, rgba(138,124,255,.12), transparent 28%),
    linear-gradient(135deg, #08111B 0%, #0D1826 60%, #0A121C 100%);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.category-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 48px 48px;
}
.category-hero::after {
  content: "";
  position: absolute;
  width: 340px;
  height: 340px;
  right: -120px;
  top: -160px;
  border-radius: 50%;
  background: rgba(69,224,208,.055);
  filter: blur(4px);
}
.cat-hero-inner {
  position: relative;
  z-index: 2;
  min-height: 286px;
  display: flex;
  align-items: center;
  gap: 3rem;
  padding: 52px 0 56px;
}
.cat-hero-main {
  max-width: 780px;
}
.breadcrumb-cat {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .2rem;
  font-size: .82rem;
  color: var(--text-low);
  margin-bottom: 1rem;
}
.breadcrumb-cat a {
  color: var(--text-low);
  transition: color .2s ease;
}
.breadcrumb-cat a:hover { color: var(--primary); }
.breadcrumb-cat .sep { opacity: .5; }
.cat-hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  color: var(--primary);
  border: 1px solid rgba(69,224,208,.25);
  background: rgba(69,224,208,.08);
  font-size: .8rem;
  font-weight: 600;
  padding: .28rem .85rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1rem;
  letter-spacing: .04em;
}
.category-hero h1 {
  font-size: clamp(2rem, 4vw, 3.6rem);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -.02em;
  margin-bottom: 1.1rem;
}
.category-hero h1 .accent-word {
  color: var(--accent);
}
.category-hero .cat-hero-desc {
  color: var(--text-mid);
  max-width: 660px;
  font-size: 1.05rem;
  line-height: 1.85;
}
.hero-spec {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem 2rem;
  margin-top: 1.5rem;
}
.hero-spec-item {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .85rem;
  color: var(--text-low);
}
.hero-spec-item i { color: var(--primary); font-size: 1rem; }
.hero-spec-item strong {
  color: var(--text-hi);
  font-weight: 700;
}
.cat-hero-media {
  margin-left: auto;
  width: 280px;
  flex: 0 0 280px;
  position: relative;
}
.cat-hero-media img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 24px;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-main);
  transform: rotate(2deg);
  filter: saturate(.85) brightness(.96);
}
.cat-hero-media::after {
  content: "热度趋势";
  position: absolute;
  right: -12px;
  bottom: 18px;
  padding: .55rem .9rem;
  background: var(--bg-panel);
  border: 1px solid rgba(69,224,208,.35);
  color: var(--primary);
  font-size: .8rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.section-space {
  padding: clamp(70px, 8vw, 116px) 0;
}
.rank-section {
  background-color: var(--bg-canvas);
}
.rank-section .container-xl {
  position: relative;
}
.section-title-group {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  color: var(--primary);
  font-weight: 700;
  font-size: .82rem;
  letter-spacing: .16em;
  margin-bottom: .6rem;
}
.section-title-group h2 {
  font-size: clamp(1.7rem, 2.5vw, 2.4rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.01em;
}
.section-title-group p {
  color: var(--text-low);
  max-width: 560px;
  margin-top: .4rem;
}
.section-updated {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .85rem;
  color: var(--text-mid);
  background: rgba(17,31,45,.7);
  border: 1px solid var(--border-weak);
  border-radius: var(--radius-pill);
  padding: .4rem 1rem;
}
.section-updated i { color: var(--primary); }

.rank-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 1.8rem;
  align-items: start;
}
.rank-main {
  background: rgba(17,31,45,.32);
  border: 1px solid var(--border-weak);
  border-radius: var(--radius-xl);
  padding: 1.3rem;
}
.rank-list {
  display: grid;
  gap: .8rem;
  padding: 0;
  list-style: none;
}
.rank-list-item {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  padding: .85rem 1rem;
  background: rgba(17,31,45,.72);
  border: 1px solid var(--border-weak);
  border-radius: var(--radius-lg);
  transition: transform .25s ease, border-color .25s ease, background .25s ease;
}
.rank-list-item:hover {
  transform: translateY(-3px);
  border-color: rgba(69,224,208,.35);
  background: rgba(23,38,53,.9);
}
.rank-list-item.top-three {
  background: linear-gradient(90deg, rgba(69,224,208,.1), rgba(17,31,45,.88));
}
.rank-no {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 54px;
  font-size: 2.2rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: rgba(241,246,250,.16);
  line-height: 1;
}
.rank-no.top { color: var(--accent); }
.rank-thumb {
  position: relative;
  width: 88px;
  height: 64px;
  flex: 0 0 88px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-panel);
  border: 1px solid var(--border-weak);
}
.rank-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.rank-info {
  flex: 1;
  min-width: 0;
}
.rank-name-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .45rem .6rem;
}
.rank-name-line h3 {
  font-size: 1.06rem;
  font-weight: 800;
}
.badge-platform {
  display: inline-flex;
  align-items: center;
  gap: .15rem;
  font-size: .68rem;
  color: var(--text-mid);
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 6px;
  padding: .08rem .38rem;
  font-weight: 600;
}
.rank-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  margin-top: .45rem;
}
.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: .2rem;
  font-size: .72rem;
  color: var(--text-low);
  border: 1px solid var(--border-weak);
  background: rgba(255,255,255,.03);
  border-radius: var(--radius-pill);
  padding: .1rem .55rem;
}
.rank-signal {
  flex: 0 0 auto;
  text-align: right;
  min-width: 92px;
}
.signal-badge {
  display: inline-flex;
  align-items: center;
  gap: .2rem;
  font-size: .78rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  padding: .22rem .7rem;
}
.signal-badge.up { color: var(--primary); background: rgba(69,224,208,.12); }
.signal-badge.down { color: var(--text-mid); background: rgba(255,255,255,.06); }
.signal-badge.keep { color: var(--text-low); background: rgba(255,255,255,.04); }
.rank-meta-small {
  display: block;
  margin-top: .35rem;
  font-size: .72rem;
  color: var(--text-low);
}

.rank-aside {
  display: grid;
  gap: 1.2rem;
}
.aside-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-weak);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
}
.aside-card h3 {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: .55rem;
}
.aside-card h3 i { color: var(--primary); }
.aside-card p {
  color: var(--text-mid);
  font-size: .88rem;
  line-height: 1.85;
}
.aside-card p + p { margin-top: .75rem; }
.aside-legend {
  display: grid;
  gap: .65rem;
  margin-top: .6rem;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: .7rem;
  font-size: .8rem;
  color: var(--text-mid);
}
.legend-line {
  width: 30px;
  height: 6px;
  border-radius: var(--radius-pill);
}
.legend-line.primary { background: var(--primary); }
.legend-line.violet { background: var(--violet); }
.legend-line.accent { background: var(--accent); }
.legend-line.muted { background: rgba(255,255,255,.3); }
.aside-note {
  border-top: 1px solid var(--border-weak);
  padding-top: .75rem;
  margin-top: .7rem;
  font-size: .76rem;
  color: var(--text-low);
  line-height: 1.7;
}
.support-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: .6rem;
}

.insight-section {
  background: var(--bg-deep);
  border-top: 1px solid rgba(255,255,255,.04);
  border-bottom: 1px solid rgba(255,255,255,.04);
}
.insight-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 1.5rem;
  margin-top: .9rem;
}
.insight-block {
  background: rgba(17,31,45,.66);
  border: 1px solid var(--border-weak);
  border-radius: var(--radius-xl);
  padding: 1.8rem;
}
.insight-block .block-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  margin-bottom: 1.1rem;
}
.insight-block .block-icon.primary-light {
  color: var(--primary);
  background: rgba(69,224,208,.1);
  border: 1px solid rgba(69,224,208,.22);
}
.insight-block .block-icon.violet-light {
  color: var(--violet);
  background: rgba(138,124,255,.1);
  border: 1px solid rgba(138,124,255,.22);
}
.insight-block h3 {
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: .7rem;
}
.insight-block p {
  color: var(--text-mid);
  font-size: .94rem;
  line-height: 1.9;
}
.insight-block p + p { margin-top: .8rem; }
.insight-list {
  list-style: none;
  padding: 0;
  margin-top: 1rem;
  display: grid;
  gap: .6rem;
}
.insight-list li {
  display: flex;
  gap: .7rem;
  align-items: baseline;
  color: var(--text-mid);
  font-size: .9rem;
}
.insight-list li i {
  color: var(--primary);
  font-size: .85rem;
  flex: 0 0 auto;
}

.cta-banner {
  padding: clamp(42px, 6vw, 76px) 0;
  background: var(--bg-canvas);
}
.cta-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: var(--bg-panel);
  border: 1px solid var(--border-weak);
  box-shadow: var(--shadow-main);
  padding: 2rem 2.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.cta-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 220px;
  height: 3px;
  background: var(--accent);
  box-shadow: 0 0 24px rgba(255,176,32,.6);
}
.cta-card::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -80px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(69,224,208,.09), transparent 70%);
  pointer-events: none;
}
.cta-main h2 {
  font-size: clamp(1.45rem, 2.3vw, 2.05rem);
  font-weight: 800;
  letter-spacing: -.01em;
}
.cta-main p {
  color: var(--text-mid);
  margin-top: .55rem;
  max-width: 620px;
  font-size: .95rem;
  line-height: 1.8;
}
.cta-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  border-radius: var(--radius-md);
  padding: .7rem 1.3rem;
  font-weight: 700;
  font-size: .9rem;
  border: 1px solid transparent;
  transition: background .2s ease, color .2s ease, box-shadow .25s ease, border-color .2s ease, transform .2s ease;
}
.btn:active { transform: scale(.98); }
.btn-amber {
  background: var(--accent);
  color: #101820;
  border-color: var(--accent);
}
.btn-amber:hover {
  background: #FFC247;
  border-color: #FFC247;
  box-shadow: 0 0 0 6px rgba(255,176,32,.2);
}
.btn-ghost {
  background: rgba(69,224,208,.08);
  color: var(--primary);
  border-color: rgba(69,224,208,.4);
}
.btn-ghost:hover {
  background: rgba(69,224,208,.16);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 0 5px rgba(69,224,208,.1);
}
.btn-dark-panel {
  background: rgba(255,255,255,.04);
  color: var(--text-hi);
  border-color: var(--border-line);
}
.btn-dark-panel:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.3);
}

.faq-section {
  background: var(--bg-deep);
  padding: clamp(70px, 7vw, 100px) 0 90px;
  border-top: 1px solid rgba(255,255,255,.04);
}
.faq-section .container-xl {
  max-width: 880px;
}
.faq-title-wrap {
  text-align: center;
  margin-bottom: 2.2rem;
}
.faq-title-wrap h2 {
  font-size: clamp(1.7rem, 2.4vw, 2.4rem);
  font-weight: 800;
}
.faq-title-wrap p {
  color: var(--text-low);
  margin-top: .5rem;
  font-size: .95rem;
}
.faq-list {
  display: grid;
  gap: .9rem;
}
.faq-item {
  overflow: hidden;
  background: rgba(17,31,45,.72);
  border: 1px solid var(--border-weak);
  border-radius: var(--radius-lg);
  transition: border-color .2s ease;
}
.faq-item.open {
  border-color: rgba(69,224,208,.25);
}
.faq-button {
  width: 100%;
  min-height: 56px;
  border: 0;
  background: transparent;
  color: var(--text-hi);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .9rem 1.2rem;
  font-weight: 700;
  font-size: 1rem;
  text-align: left;
  cursor: pointer;
  transition: color .2s ease;
}
.faq-button:hover,
.faq-item.open .faq-button {
  color: var(--primary);
}
.faq-icon {
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 1px solid var(--border-weak);
  color: var(--primary);
  font-size: .9rem;
  transition: transform .25s ease;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: rgba(69,224,208,.1);
  border-color: rgba(69,224,208,.3);
}
.faq-panel {
  display: none;
  padding: 0 1.3rem 1.25rem;
  color: var(--text-mid);
  font-size: .93rem;
  line-height: 1.85;
}
.faq-item.open .faq-panel {
  display: block;
}
.faq-panel a {
  color: var(--primary);
}
.faq-disclaimer {
  margin-top: 2rem;
  color: var(--text-low);
  font-size: .78rem;
  text-align: center;
  line-height: 1.8;
}

.footer {
  background: var(--bg-deep);
  border-top: 1px solid rgba(69,224,208,.28);
  position: relative;
}
.footer-top {
  padding: 64px 0 36px;
}
.footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(69,224,208,.4), transparent);
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--text-hi);
}
.footer-logo .brand-icon {
  width: 34px;
  height: 34px;
  font-size: 1.1rem;
}
.footer-desc {
  color: var(--text-low);
  font-size: .88rem;
  line-height: 1.85;
  max-width: 400px;
}
.footer-list-title {
  color: var(--text-hi);
  font-weight: 800;
  margin-bottom: 1rem;
  font-size: .98rem;
}
.footer-links {
  list-style: none;
  padding: 0;
  display: grid;
  gap: .62rem;
}
.footer-links a {
  color: var(--text-mid);
  font-size: .88rem;
  transition: color .2s ease, padding-left .2s ease;
}
.footer-links a:hover {
  color: var(--primary);
  padding-left: 4px;
}
.footer-updates {
  display: grid;
  gap: .7rem;
}
.footer-update-line {
  display: flex;
  align-items: baseline;
  gap: .25rem;
  color: var(--text-mid);
  font-size: .84rem;
  line-height: 1.6;
}
.footer-update-line i {
  color: var(--primary);
  flex: 0 0 auto;
}
.footer-update-line .time {
  margin-left: auto;
  color: var(--text-low);
  font-size: .72rem;
  white-space: nowrap;
}
.footer-sub {
  display: flex;
  gap: .6rem;
  margin-top: .75rem;
}
.footer-sub input {
  flex: 1;
  min-width: 0;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  color: var(--text-hi);
  padding: .58rem .8rem;
  font-size: .86rem;
  transition: border-color .2s ease, background .2s ease;
}
.footer-sub input::placeholder { color: var(--text-low); }
.footer-sub input:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  background: rgba(255,255,255,.08);
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 20px 0 28px;
  color: var(--text-low);
  font-size: .8rem;
}
.copyright-brand a { color: var(--text-mid); }

@media (max-width: 1199.98px) {
  .rank-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
  }
  .cat-hero-media { display: none; }
}
@media (max-width: 991.98px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: .2rem;
    margin: 0;
    padding: 12px 1.5rem 22px;
    background: rgba(11,20,32,.97);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-line);
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
  }
  .nav-menu.open {
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }
  .nav-link-main {
    padding: 13px 6px;
    border-bottom: 1px solid rgba(255,255,255,.05);
    font-size: 1rem;
  }
  .nav-link-main:last-child { border-bottom: 0; }
  .rank-layout {
    grid-template-columns: 1fr;
  }
  .rank-aside {
    grid-template-columns: 1fr 1fr;
  }
  .insight-grid {
    grid-template-columns: 1fr;
  }
  .cat-hero-media { display: none; }
}
@media (max-width: 767.98px) {
  .container-xl { padding: 0 1.1rem; }
  .cat-hero-inner {
    min-height: auto;
    padding: 38px 0 44px;
  }
  .rank-main { padding: .8rem; }
  .rank-list-item {
    flex-wrap: wrap;
    gap: .7rem;
    padding: .75rem .7rem;
  }
  .rank-no {
    min-width: 32px;
    font-size: 1.7rem;
  }
  .rank-thumb {
    width: 66px;
    height: 56px;
    flex: 0 0 66px;
  }
  .rank-signal {
    width: 100%;
    min-width: 0;
    text-align: left;
    padding-left: 50px;
  }
  .rank-aside {
    grid-template-columns: 1fr;
  }
  .cta-card {
    padding: 1.7rem 1.4rem;
  }
  .cta-actions .btn {
    width: 100%;
  }
  .insight-block {
    padding: 1.3rem;
  }
  .footer-top {
    padding-top: 46px;
  }
  .footer-bottom {
    justify-content: center;
    text-align: center;
    padding-bottom: 26px;
  }
  .section-title-group {
    display: block;
  }
  .section-updated { margin-top: 1rem; }
}
@media (max-width: 520px) {
  .brand-block { font-size: 1.05rem; }
  .brand-icon { width: 34px; height: 34px; flex-basis: 34px; }
  .category-hero h1 { font-size: 1.7rem; }
  .rank-name-line h3 { font-size: 1rem; }
  .rank-meta-small { white-space: normal; }
  .footer-sub { flex-wrap: wrap; }
  .footer-sub .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: category3 */
:root{
  --bg-canvas:#0B1420;
  --bg-deep:#070E17;
  --bg-panel:#111F2D;
  --glass-bg:rgba(18,34,48,.7);
  --glass-border:rgba(255,255,255,.12);
  --primary:#45E0D0;
  --primary-deep:#0F8A88;
  --accent:#FFB020;
  --violet:#8A7CFF;
  --text-hi:#F1F6FA;
  --text-mid:#B8C7D4;
  --text-low:#748A9B;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-btn:12px;
  --shadow-main:0 20px 50px rgba(0,0,0,.35);
  --shadow-card:0 10px 26px rgba(0,0,0,.22);
  --space-section:clamp(72px,8vw,120px);
}
html{scroll-behavior:smooth}
body{
  background-color:var(--bg-canvas);
  color:var(--text-mid);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei UI","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body, h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0;padding:0;border:0}
a{text-decoration:none}
img{max-width:100%;vertical-align:middle;border:0}
.container-xl{max-width:1280px;padding-left:22px;padding-right:22px}
h1,h2,h3,h4{color:var(--text-hi);line-height:1.3;font-weight:700}
h1{font-size:clamp(2.15rem,4.2vw,3.4rem);font-weight:800;letter-spacing:.01em}
h2{font-size:clamp(1.75rem,2.6vw,2.4rem);font-weight:700}
h3{font-size:1.25rem;font-weight:700}
p{color:var(--text-mid);line-height:1.85}
.text-low{color:var(--text-low)}
:is(a,button,input,textarea,summary):focus-visible{
  outline:2px solid var(--primary);
  outline-offset:3px;
}
button,.btn{border-radius:var(--radius-btn)}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}

/* 基础按钮 */
.btn{
  --bs-btn-padding-y:.55rem; --bs-btn-padding-x:1.2rem;
  display:inline-flex;align-items:center;justify-content:center;gap:.45rem;
  font-weight:700;border-radius:12px;transition:all .2s ease;
}
.btn-amber{
  background:var(--accent);color:#101820;border:1px solid transparent;
  box-shadow:0 0 0 0 rgba(255,176,32,.2);
}
.btn-amber:hover{background:#FFC247;color:#101820;box-shadow:0 0 0 6px rgba(255,176,32,.2);transform:translateY(-1px)}
.btn-amber:active{transform:translateY(0);opacity:.9}
.btn-scan{
  background:rgba(69,224,208,.06);border:1px solid rgba(69,224,208,.4);color:var(--text-hi)
}
.btn-scan:hover{background:rgba(69,224,208,.14);color:#fff;border-color:rgba(69,224,208,.8);box-shadow:0 0 0 4px rgba(69,224,208,.1)}
.btn-outline-primary{
  background:rgba(69,224,208,.04);border:1px solid rgba(69,224,208,.42);color:var(--text-hi)
}
.btn-outline-primary:hover{background:rgba(69,224,208,.12);color:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(69,224,208,.1)}
.btn-outline-amber{
  background:rgba(255,176,32,.04);border:1px solid rgba(255,176,32,.55);color:var(--accent)
}
.btn-outline-amber:hover{background:rgba(255,176,32,.12);color:#FFC247;border-color:#FFC247;box-shadow:0 0 0 4px rgba(255,176,32,.12)}

/* Header / 导航 */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(11,20,32,.48);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease;
}
.site-header.scrolled,
.site-header.menu-open{
  background:rgba(11,20,32,.9);
  border-bottom:1px solid rgba(255,255,255,.07);
}
.site-header .header-inner{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;color:var(--text-hi);
  font-weight:800;font-size:1.08rem;white-space:nowrap;letter-spacing:.02em;
}
.brand:hover{color:#fff}
.brand-icon{
  width:38px;height:38px;border-radius:50%;
  background:radial-gradient(circle at 28% 28%,#9CF3EA,#0F8A88 75%,#0B1420);
  color:#011014;display:inline-flex;align-items:center;justify-content:center;
  font-size:1.05rem;position:relative;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.65),0 0 20px rgba(69,224,208,.18);
}
.brand-icon::after{
  content:"";position:absolute;right:1px;bottom:2px;width:8px;height:8px;
  background:var(--accent);border-radius:50%;border:2px solid var(--bg-canvas);
}
.nav-panel{display:flex;align-items:center;gap:10px}
.nav-menu{display:flex;align-items:center;gap:2px;list-style:none}
.nav-link-main{
  display:inline-block;padding:10px 3px;margin:0 11px;color:var(--text-mid);
  font-size:.95rem;font-weight:600;position:relative;white-space:nowrap;transition:color .2s;
}
.nav-link-main::after{
  content:"";position:absolute;left:0;bottom:4px;width:0;height:2px;
  background:var(--primary);border-radius:2px;transition:width .25s ease;
}
.nav-link-main:hover{color:#fff}
.nav-link-main:hover::after{width:100%}
.nav-link-main.active{color:var(--text-hi)}
.nav-link-main.active::after{width:100%}
.nav-cta{padding-left:16px;margin-left:10px;border-left:1px solid rgba(255,255,255,.1)}
.nav-toggle{
  display:none;width:44px;height:40px;border:0;background:transparent;cursor:pointer;
  align-items:center;justify-content:center;border-radius:10px;
}
.nav-toggle span{
  display:block;width:20px;height:2px;background:var(--primary);border-radius:2px;margin:3px auto;
  transition:transform .25s,opacity .25s;
}
@media (max-width:991.98px){
  .nav-toggle{display:flex}
  .nav-panel{
    position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;
    padding:18px 22px 24px;gap:16px;
    background:rgba(8,15,25,.96);
    border-bottom:1px solid rgba(255,255,255,.09);
    box-shadow:0 28px 50px rgba(0,0,0,.4);
    display:none;
  }
  .nav-panel.open{display:flex}
  .nav-menu{flex-direction:column;align-items:flex-start;gap:4px;width:100%}
  .nav-link-main{width:100%;margin:0;padding:10px 2px;border-bottom:1px solid rgba(255,255,255,.05)}
  .nav-link-main::after{content:none}
  .nav-link-main.active{color:var(--accent)}
  .nav-link-main:hover{color:#fff}
  .nav-cta{padding-left:0;margin-left:0;border-left:0;margin-top:8px}
  .nav-cta{border-left:0;padding-left:0}
  .nav-toggle.active span:nth-child(1){transform:translateY(5px) rotate(45deg)}
  .nav-toggle.active span:nth-child(2){opacity:0}
  .nav-toggle.active span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
}
@media (max-width:520px){
  .brand{font-size:.98rem}
  .brand-icon{width:34px;height:34px}
}

/* 分类 Hero */
.cat-banner{
  padding:calc(64px + 72px) 0 70px;
  background-color:var(--bg-canvas);
  position:relative;
  overflow:hidden;
  background-size:cover;background-position:center 22%;
}
.cat-banner::before{
  content:"";position:absolute;left:-10%;top:-30%;width:560px;height:560px;
  background:radial-gradient(circle,rgba(69,224,208,.16),transparent 62%);
  pointer-events:none;
}
.cat-banner::after{
  content:"";position:absolute;right:-5%;bottom:-44%;width:640px;height:640px;
  background:radial-gradient(circle,rgba(138,124,255,.12),transparent 62%);
  pointer-events:none;
}
.cat-banner > .container-xl{position:relative;z-index:2}
.crumb{
  display:flex;align-items:center;gap:6px;color:var(--text-low);font-size:.82rem;margin-bottom:36px;
}
.crumb a{color:var(--text-low)}
.crumb a:hover{color:var(--primary)}
.eyebrow-line{
  display:inline-flex;align-items:center;gap:.5rem;color:var(--primary);
  background:rgba(69,224,208,.09);border:1px solid rgba(69,224,208,.22);
  border-radius:999px;padding:.32rem .95rem;margin-bottom:20px;font-size:.82rem;font-weight:700;
}
.cat-banner h1{max-width:700px}
.banner-lead{max-width:660px;margin-top:18px;font-size:1.02rem;color:var(--text-mid)}
.banner-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:12px}
.banner-state{
  margin-left:auto;max-width:360px;
  border-radius:var(--radius-lg);
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow-card);
  padding:22px 22px 14px;
}
.glass-card{
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
@supports not (backdrop-filter:blur(4px)){
  .banner-state,.glass-card{background:rgba(15,26,37,.96)}
}
.state-head{display:flex;align-items:center;gap:8px;color:#fff;font-weight:700;font-size:.92rem;margin-bottom:12px}
.state-head i{color:var(--primary)}
.state-row{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-top:1px solid rgba(255,255,255,.06)}
.state-row span{color:var(--text-low);font-size:.85rem}
.state-row strong{color:var(--text-hi);font-size:.86rem;font-weight:600}

/* section spacing */
.sec{padding:var(--space-section) 0}
.section-head{margin-bottom:44px;max-width:820px}
.section-head.center{margin-inline:auto;text-align:center}
.sec-tag{
  display:inline-block;color:var(--primary);font-size:.8rem;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;margin-bottom:12px;
  border:1px solid rgba(69,224,208,.25);background:rgba(69,224,208,.06);
  padding:.25rem .8rem;border-radius:999px;
}
.sec-tag.dot{color:var(--violet);border-color:rgba(138,124,255,.3);background:rgba(138,124,255,.1)}
.section-head p{margin-top:14px;color:var(--text-low);max-width:760px;font-size:1rem}

/* 资讯分类布局 */
.card-panel{
  background:var(--bg-panel);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-card);
  transition:transform .25s ease,box-shadow .25s ease;
}
.card-panel:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(0,0,0,.28)}
.layout-info{margin-top:14px}
.topic-hero{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--bg-panel);border:1px solid rgba(255,255,255,.07);
  height:100%;
}
.topic-media{position:relative;aspect-ratio:16/8;overflow:hidden}
.topic-media::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 38%,rgba(11,20,32,.88))}
.topic-hero .topic-media img,.topic-small .topic-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.topic-hero:hover .topic-media img,.topic-small:hover .topic-media img{transform:scale(1.04)}
.topic-body{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:24px 26px;color:#fff}
.topic-body h3{color:#fff;margin:12px 0 6px}
.topic-body p{color:rgba(241,246,250,.78);font-size:.92rem;max-width:640px}
.topic-meta{display:flex;align-items:center;gap:6px;margin-top:14px;color:rgba(241,246,250,.6);font-size:.8rem}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:700;font-size:.85rem;margin-top:10px}
.link-more:hover{color:#fff}
.topic-small{
  position:relative;background:var(--bg-panel);border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radius-md);overflow:hidden;height:100%;transition:all .25s ease;
}
.topic-small .topic-media{aspect-ratio:16/9}
.topic-small .topic-body{position:relative;background:transparent;padding:10px 0 0;color:var(--text-hi)}
.topic-small .topic-body h3{color:var(--text-hi);font-size:1.1rem;margin:10px 0 4px}
.topic-small .topic-body p{color:var(--text-low);font-size:.85rem;line-height:1.7}
.topic-card-base{display:flex;flex-direction:column}
.topic-card-base .topic-media{position:relative;overflow:hidden}
.badge-soft{
  display:inline-flex;align-items:center;padding:.2rem .72rem;border-radius:999px;
  background:rgba(69,224,208,.14);color:var(--primary);font-size:.72rem;font-weight:700;
  border:1px solid rgba(69,224,208,.25);
}
.badge-soft.violet{background:rgba(138,124,255,.14);color:var(--violet);border-color:rgba(138,124,255,.3)}
.badge-soft.amber{background:rgba(255,176,32,.14);color:var(--accent);border-color:rgba(255,176,32,.28)}

/* 侧栏 */
.side-wrap{display:flex;flex-direction:column;gap:20px;height:100%}
.side-card{padding:22px;height:100%}
.side-title{display:flex;align-items:center;gap:8px;color:var(--text-hi);font-weight:800;font-size:.95rem;margin-bottom:6px}
.side-title i{color:var(--primary)}
.side-timeline{list-style:none;margin-top:6px}
.side-timeline li{position:relative;padding-left:16px;margin:18px 0}
.side-timeline li::before{
  content:"";position:absolute;left:2px;top:8px;bottom:-22px;width:2px;
  background:rgba(69,224,208,.2);
}
.side-timeline li:last-child::before{display:none}
.side-timeline li > a{display:flex;justify-content:space-between;align-items:center;gap:10px}
.side-timeline li > a:hover span{color:var(--primary)}
.side-timeline li strong, .side-timeline li a{color:var(--text-mid);font-weight:600;font-size:.9rem}
.side-timeline li span{color:var(--text-low);font-size:.78rem}
.note-panel{background:rgba(17,31,45,.6);border:1px solid rgba(69,224,208,.12)}
.note-panel p{font-size:.85rem;color:var(--text-low)}
.note-tag{
  display:inline-block;margin-top:14px;font-size:.78rem;color:var(--primary);
  background:rgba(69,224,208,.08);border:1px solid rgba(69,224,208,.16);
  border-radius:999px;padding:.22rem .8rem;
}

/* 适用人群场景 */
.viewer-sec{background:var(--bg-deep);border-block:1px solid rgba(255,255,255,.04)}
.viewer-grid{align-items:center}
.view-left .image-frame{
  border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-panel);
  box-shadow:var(--shadow-main);border:1px solid rgba(255,255,255,.07);
}
.image-frame img{width:100%;height:330px;object-fit:cover;display:block}
@media (max-width:991.98px){.viewer-sec .view-left{margin-bottom:36px}}
.scene-list{list-style:none;margin-top:26px;display:flex;flex-direction:column;gap:20px}
.scene-list li{display:flex;gap:14px;padding:16px 18px;border-radius:16px;background:var(--bg-panel);border:1px solid rgba(255,255,255,.06);transition:transform .2s}
.scene-list li:hover{transform:translateX(4px)}
.scene-list li i{color:var(--primary);font-size:1.1rem;margin-top:5px}
.scene-list li strong{color:var(--text-hi);font-weight:700;font-size:.95rem}
.scene-list li span{display:block;color:var(--text-low);font-size:.87rem;line-height:1.7;margin-top:2px}

/* 整理流程 */
.flow-item{
  position:relative;padding:28px 22px 22px;min-height:230px;
  background:var(--bg-panel);border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radius-md);overflow:hidden;height:100%;
  box-shadow:var(--shadow-card);transition:transform .25s,border-color .25s;
}
.flow-item:hover{border-color:rgba(69,224,208,.2);transform:translateY(-4px)}
.flow-item::before{content:"";position:absolute;left:0;top:0;width:3px;height:64px;background:var(--primary);opacity:.6;border-radius:2px}
.flow-num{font-size:2.4rem;font-weight:800;color:rgba(255,255,255,.12);line-height:1;font-variant-numeric:tabular-nums}
.flow-item h3{margin:14px 0 10px;color:var(--text-hi);font-size:1.1rem}
.flow-item p{font-size:.9rem;color:var(--text-low)}

/* 常见搜索词 */
.tag-sec .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-pill{
  display:inline-flex;align-items:center;color:var(--text-mid);background:var(--bg-panel);
  border:1px solid rgba(255,255,255,.07);border-radius:999px;padding:.48rem 1.1rem;
  font-size:.85rem;font-weight:600;transition:all .2s ease;
}
.tag-pill:hover{color:var(--bg-canvas);background:var(--primary);border-color:var(--primary);transform:translateY(-2px)}
.tag-sec p{color:var(--text-low);font-size:.9rem;margin-top:10px;max-width:300px}

/* FAQ */
.faq-sec{background:var(--bg-deep)}
.faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--bg-panel);border:1px solid rgba(255,255,255,.07);
  border-radius:16px;overflow:hidden;transition:border-color .25s;
}
.faq-item[open]{border-color:rgba(69,224,208,.3)}
.faq-item summary{
  list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;
  min-height:56px;padding:14px 20px;cursor:pointer;font-weight:700;color:var(--text-hi);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:#fff}
.faq-icon{color:var(--primary);font-size:1.1rem;flex:0 0 auto;transition:transform .2s}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-answer{padding:0 24px 20px;max-width:820px}
.faq-answer p{color:var(--text-low);font-size:.93rem}
.faq-answer a{color:var(--primary)}
.faq-answer a:hover{color:#fff}
.faq-disclaimer{
  max-width:880px;margin:26px auto 0;text-align:center;color:var(--text-low);
  font-size:.78rem;border-top:1px dashed rgba(255,255,255,.1);padding-top:16px;
}

/* CTA */
.cta-card{
  border-radius:24px;background:var(--bg-panel);
  border:1px solid rgba(69,224,208,.16);
  box-shadow:var(--shadow-main);
  padding:clamp(28px,6vw,56px);
  position:relative;overflow:hidden;
  background-image:radial-gradient(circle at 88% 10%,rgba(69,224,208,.15),transparent 40%);
}
.cta-card::after{
  content:"";position:absolute;inset:auto 0 0;height:3px;
  background:linear-gradient(90deg,transparent,var(--accent),var(--primary),transparent);
}
.cta-card h2{margin-bottom:10px}
.cta-card p{color:var(--text-low);margin-bottom:10px;font-size:.95rem}
.cta-btns{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
@media (max-width:567px){.cta-btns{justify-content:flex-start}}

/* Footer */
.footer{
  background:var(--bg-deep);margin-top:0;
  border-top:1px solid var(--primary);
  position:relative;
}
.footer::before{
  content:"";display:block;height:1px;width:100%;
  background-image:linear-gradient(90deg,var(--primary),transparent 55%);
}
.footer-top{padding:60px 22px 36px}
.footer-brand .footer-logo{
  display:inline-flex;align-items:center;gap:10px;color:var(--text-hi);
  font-weight:800;font-size:1.2rem;margin-bottom:16px;
}
.footer-desc{font-size:.88rem;color:var(--text-low);max-width:340px;margin-bottom:18px}
.footer-list-title{color:var(--text-hi);font-size:.95rem;font-weight:800;margin-bottom:18px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:8px}
.footer-links a{color:var(--text-low);font-size:.88rem}
.footer-links a:hover{color:var(--primary)}
.footer-update-line{display:flex;align-items:center;color:var(--text-low);font-size:.83rem;padding:7px 0;border-bottom:1px dashed rgba(255,255,255,.06);margin-bottom:4px}
.footer-update-line:hover{color:#fff}
.footer-update-line i{color:var(--primary)}
.footer-update-line .time{margin-left:auto;color:var(--text-low);opacity:.6;font-size:.75rem}
.footer-sub input{
  width:100%;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  color:var(--text-hi);border-radius:10px;padding:10px 14px;font-size:.88rem;margin-bottom:10px;
}
.footer-sub input::placeholder{color:var(--text-low)}
.footer-sub .btn{width:100%}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);padding:22px;
  font-size:.82rem;color:var(--text-low);
  display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;align-items:center;
}
.footer-bottom a{color:var(--text-mid)}
.footer-bottom a:hover{color:#fff}

/* 移动微调 */
@media (max-width:767px){
  .cat-banner{padding-top:100px}
  .crumb{margin-bottom:22px}
  .topic-hero .topic-body{padding:18px 18px}
  .topic-hero .topic-body p{font-size:.84rem}
  .cta-btns{justify-content:flex-start}
  .footer-bottom{justify-content:flex-start;flex-direction:column}
}
@media (max-width:520px){
  .banner-lead{font-size:.92rem}
  .scene-list li{padding:12px}
  .footer-sub input{font-size:.85rem}
}

/* roulang page: category4 */
:root{
  --bg-canvas:#0B1420;
  --bg-deep:#070E17;
  --bg-panel:#111F2D;
  --glass-bg:rgba(18,34,48,.6);
  --glass-border:rgba(255,255,255,.12);
  --primary:#45E0D0;
  --primary-deep:#0F8A88;
  --accent:#FFB020;
  --violet:#8A7CFF;
  --text-hi:#F1F6FA;
  --text-mid:#B8C7D4;
  --text-low:#748A9B;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-btn:12px;
  --shadow-card:0 10px 26px rgba(0,0,0,.22);
  --shadow-main:0 20px 50px rgba(0,0,0,.35);
  --nav-h:72px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-canvas);
  color:var(--text-hi);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei UI","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:#fff}
img{max-width:100%;display:block}
h1,h2,h3,h4,h5{line-height:1.3;margin:0 0 .5em}
p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}
.container-xl{max-width:1200px;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto}
.row{--bs-gutter-x:1.5rem}
.section{padding:clamp(72px,8vw,120px) 0}
.section-head{max-width:760px;margin-bottom:42px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-title{font-size:clamp(1.75rem,2.4vw,2.5rem);font-weight:700;margin-bottom:8px}
.section-lead{color:var(--text-mid);margin:10px 0 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:.82rem;letter-spacing:.12em;font-weight:700;margin-bottom:8px;text-transform:uppercase}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--primary);border-radius:2px;display:inline-block}
.btn{border:none;border-radius:var(--radius-btn);font-weight:600;transition:background .22s ease,border-color .22s ease,box-shadow .22s ease,transform .22s ease;line-height:1.6}
.btn-amber{background:var(--accent);color:#101820;box-shadow:0 0 0 0 rgba(255,176,32,.16)}
.btn-amber:hover{background:#FFC247;color:#101820;box-shadow:0 0 0 6px rgba(255,176,32,.2);transform:translateY(-2px)}
.btn-amber:active{opacity:.86;transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.02);border:1px solid rgba(255,255,255,.12);color:var(--text-mid)}
.btn-ghost:hover{color:var(--primary);border-color:rgba(69,224,208,.45);background:rgba(69,224,208,.08);transform:translateY(-1px)}
.btn-outline-cta{background:transparent;border:1px solid rgba(255,176,32,.5);color:#FFC247}
.btn-outline-cta:hover{background:rgba(255,176,32,.1);border-color:rgba(255,176,32,.8);color:#FFD079;box-shadow:0 0 0 4px rgba(255,176,32,.08)}
.btn-sm{padding:.45rem .9rem;font-size:.875rem}
.badge{font-weight:500;border-radius:999px;padding:.4em .85em;font-size:.78rem;border:1px solid transparent;display:inline-flex;align-items:center;gap:6px;line-height:1.4}
.badge-soft{background:rgba(69,224,208,.14);color:var(--primary);border-color:rgba(69,224,208,.26)}
.badge-soft i{color:var(--primary)}
.badge-amber{background:rgba(255,176,32,.14);color:#FFD37A;border-color:rgba(255,176,32,.3)}
.badge-muted{background:rgba(255,255,255,.06);color:var(--text-low);border-color:rgba(255,255,255,.08)}
.tag{display:inline-flex;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.06);padding:.2em .7em;border-radius:999px;font-size:.74rem;color:var(--text-mid);margin-right:6px}
.panel-card{background:var(--bg-panel);border:1px solid rgba(255,255,255,.06);border-radius:var(--radius-lg);box-shadow:var(--shadow-card)}
.text-muted-low{color:var(--text-low)}
.text-primary{color:var(--primary)!important}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:1040;
  min-height:var(--nav-h);
  background:transparent;
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(11,20,32,.78);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom-color:rgba(255,255,255,.06);
  box-shadow:0 12px 30px rgba(0,0,0,.24);
}
@supports not (backdrop-filter: blur(4px)){
  .site-header.scrolled{background:rgba(11,20,32,.97)}
}
.header-inner{display:flex;align-items:center;min-height:var(--nav-h);position:relative}
.site-logo{display:inline-flex;align-items:center;flex-shrink:0;color:var(--text-hi)}
.site-logo:hover{color:var(--text-hi)}
.brand-icon{
  position:relative;width:38px;height:38px;flex:none;display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;background:linear-gradient(135deg,rgba(69,224,208,.22),rgba(11,20,32,.95));
  border:1px solid rgba(69,224,208,.34);color:var(--primary);font-size:1.1rem;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
}
.brand-icon::after{content:"";position:absolute;right:-1px;bottom:1px;width:8px;height:8px;background:var(--accent);border-radius:50%;border:2px solid #0b1420;box-sizing:content-box}
.brand-text{font-size:1.14rem;font-weight:800;margin-left:10px;letter-spacing:.02em}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-menu a{color:var(--text-mid);display:inline-flex;align-items:center;padding:.5rem .72rem;font-weight:500;position:relative}
.nav-menu a::after{content:"";position:absolute;left:.72rem;right:.72rem;bottom:0;height:2px;border-radius:2px;background:transparent;transition:background .22s ease}
.nav-menu a:hover{color:var(--text-hi)}
.nav-menu a:hover::after{background:var(--primary)}
.nav-menu a.active{color:#fff}
.nav-menu a.active::after{background:var(--primary)}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:16px}
.menu-toggle{display:none;width:42px;height:42px;flex-direction:column;align-items:center;justify-content:center;gap:5px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:10px;cursor:pointer;padding:0;transition:background .2s}
.menu-toggle span{width:20px;height:2px;background:var(--primary);border-radius:4px;display:block;transition:transform .2s,opacity .2s}
.site-header.mobile-open{background:rgba(11,20,32,.96);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}
.site-header.mobile-open .menu-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.site-header.mobile-open .menu-toggle span:nth-child(2){opacity:0}
.site-header.mobile-open .menu-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (max-width:991.98px){
  .site-header .header-actions .header-download{display:none!important}
  .nav-menu{
    display:none;position:absolute;top:calc(var(--nav-h) + 4px);left:16px;right:16px;flex-direction:column;align-items:stretch;
    background:rgba(7,14,23,.98);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:12px;
    box-shadow:0 24px 60px rgba(0,0,0,.4);
  }
  .site-header.mobile-open .nav-menu{display:flex}
  .nav-menu a{padding:12px 14px;border-bottom:1px solid rgba(255,255,255,.04)}
  .nav-menu a::after{display:none}
  .nav-menu a:hover{background:rgba(255,255,255,.03)}
  .nav-menu a.active{background:rgba(69,224,208,.1);color:#fff;border-left:3px solid var(--primary)}
  .menu-toggle{display:inline-flex}
}

/* ============ Category Hero ============ */
.cat-hero{position:relative;overflow:hidden;padding:56px 0 62px;border-bottom:1px solid rgba(255,255,255,.04)}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(circle at 12% 24%,rgba(69,224,208,.15),transparent 30%),
    radial-gradient(circle at 78% 42%,rgba(255,176,32,.07),transparent 25%),
    linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:auto,auto,44px 44px,44px 44px;
}
.cat-hero .container-xl{position:relative;z-index:2}
.breadcrumb-line{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:.9rem;color:var(--text-low);margin-bottom:18px}
.breadcrumb-line a{color:var(--text-low)}
.breadcrumb-line a:hover{color:var(--primary)}
.breadcrumb-line i{font-size:.8rem;color:var(--text-low)}
.cat-hero-title{font-size:clamp(2.1rem,3.8vw,3.3rem);font-weight:800;line-height:1.25;letter-spacing:-.01em;color:#fff}
.cat-hero-title .mark{color:var(--accent)}
.cat-hero-lead{max-width:660px;color:var(--text-mid);font-size:1.02rem;margin:18px 0 22px}
.cat-hero-badges{display:flex;flex-wrap:wrap;gap:10px}
.cat-hero-aside{position:relative;min-height:228px;border-radius:24px;overflow:hidden;border:1px solid rgba(255,255,255,.14);box-shadow:var(--shadow-main)}
.cat-hero-aside::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(11,20,32,.05) 35%,rgba(7,14,23,.85) 100%)}
.cat-hero-aside img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.cat-hero-aside .floating-caption{position:absolute;left:18px;right:18px;bottom:16px;z-index:2;color:var(--text-hi);font-weight:600;font-size:1rem;display:flex;align-items:center;gap:8px}
.cat-hero-aside .floating-caption i{color:var(--primary)}

/* ============ Gift Shelf ============ */
.gift-shelf-section{background:linear-gradient(180deg,rgba(255,255,255,.012),transparent 260px)}
.gift-card{margin-bottom:24px;transition:transform .25s ease,box-shadow .25s ease}
.gift-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,0,0,.33)}
.gift-thumb{height:100%;min-height:200px;position:relative;overflow:hidden}
.gift-thumb img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.gift-card-body{padding:1.6rem 1.8rem;display:flex;flex-direction:column;justify-content:center}
.gift-meta-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:14px}
.gift-card-body h3{font-size:1.4rem;font-weight:700;margin-bottom:10px}
.gift-card-body p{color:var(--text-mid);font-size:.96rem;margin-bottom:14px}
.gift-points{list-style:none;margin:0 0 18px;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:8px 16px}
.gift-points li{color:var(--text-low);font-size:.87rem;display:flex;align-items:center;gap:8px}
.gift-points i{color:var(--primary)}
.gift-buttons{display:flex;flex-wrap:wrap;gap:10px}
.time-badge{font-size:.79rem;color:var(--text-low);background:rgba(255,255,255,.05);border-radius:999px;padding:.3em .8em}
.rank-strip{font-variant-numeric:tabular-nums}
@media (max-width:767px){
  .gift-thumb{position:relative;height:auto;min-height:0}
  .gift-thumb img{position:relative;width:100%;height:200px}
  .gift-card-body{padding:1.4rem}
  .gift-points{grid-template-columns:1fr}
}
.side-stack{display:flex;flex-direction:column;gap:22px}
.side-card{border-radius:var(--radius-md);border:1px solid rgba(255,255,255,.07);background:var(--bg-panel);padding:24px}
.safety-card{border-color:rgba(255,176,32,.32);background:linear-gradient(170deg,rgba(255,176,32,.08),rgba(17,31,45,.7) 45%,rgba(17,31,45,.6))}
.side-card-title{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.05rem;margin-bottom:16px}
.side-card-title i{color:var(--accent);font-size:1.3rem}
.safety-list{list-style:none;margin:0;padding:0}
.safety-list li{padding:11px 0 11px 2px;display:flex;gap:10px;color:var(--text-mid);font-size:.92rem;border-bottom:1px dashed rgba(255,255,255,.07);align-items:flex-start}
.safety-list li:last-child{border-bottom:none;padding-bottom:0}
.safety-list i{color:var(--accent);font-size:1rem;flex:none;margin-top:2px}
.side-divider{height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);margin:20px 0}
.side-mini-title{font-weight:700;font-size:.98rem;margin-bottom:10px;color:var(--text-hi)}
.platform-row{display:flex;align-items:center;gap:9px;font-size:.88rem;color:var(--text-mid)}
.platform-row i{color:var(--primary);width:18px;text-align:center}
.side-note{margin-top:12px;color:var(--text-low);font-size:.84rem;line-height:1.7}

/* ============ Info Strip ============ */
.info-strip{background:var(--bg-deep);border:1px solid rgba(255,255,255,.05);border-left:3px solid var(--primary);border-radius:18px;padding:26px 28px;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.info-strip-item{display:flex;gap:14px;align-items:center}
.info-strip-icon{width:44px;height:44px;flex:none;border-radius:12px;background:rgba(69,224,208,.12);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:1.3rem}
.info-strip-item h3{font-size:1rem;font-weight:700;margin:0 0 2px;color:var(--text-hi)}
.info-strip-item p{color:var(--text-low);font-size:.86rem;margin:0}
@media (max-width:991px){
  .info-strip{grid-template-columns:1fr;padding:22px}
}
@media (max-width:520px){
  .info-strip-item{flex-direction:column;align-items:flex-start;gap:8px;border-bottom:1px dashed rgba(255,255,255,.07);padding-bottom:16px}
  .info-strip-item:last-child{border-bottom:0;padding-bottom:0}
}

/* ============ Process ============ */
.process-section{background:rgba(255,255,255,.012)}
.process-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:28px 20px;margin-top:8px}
.process-grid::before{content:"";position:absolute;top:43px;left:10%;right:10%;height:1px;border-top:1px dashed rgba(69,224,208,.32)}
.process-item{position:relative;background:var(--bg-panel);border:1px solid rgba(255,255,255,.06);border-radius:var(--radius-md);padding:26px 14px;text-align:center;transition:transform .25s,border-color .25s}
.process-item:hover{transform:translateY(-4px);border-color:rgba(69,224,208,.26)}
.process-step-no{position:absolute;top:10px;right:12px;color:rgba(255,255,255,.14);font-size:1rem;font-weight:800;letter-spacing:.08em}
.process-icon{width:76px;height:76px;margin:0 auto 14px;border-radius:50%;background:rgba(69,224,208,.1);border:1px solid rgba(69,224,208,.24);display:flex;align-items:center;justify-content:center;font-size:1.7rem;color:var(--primary);box-shadow:inset 0 1px 0 rgba(255,255,255,.08);position:relative;z-index:1}
.process-item h3{font-size:1.08rem;font-weight:700;margin-bottom:6px}
.process-item p{font-size:.85rem;color:var(--text-low);line-height:1.65;max-width:210px;margin-left:auto;margin-right:auto}
@media (max-width:991px){
  .process-grid{grid-template-columns:repeat(2,1fr);gap:26px 18px}
  .process-grid::before{display:none}
}
@media (max-width:520px){
  .process-grid{grid-template-columns:1fr}
}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto}
.cat-accordion{--bs-accordion-bg:transparent;--bs-accordion-border-width:0;--bs-accordion-btn-bg:transparent;--bs-accordion-active-bg:transparent;--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-border-radius:0}
.cat-accordion .accordion-item{background:var(--bg-panel);border:1px solid rgba(255,255,255,.06);border-radius:var(--radius-md)!important;overflow:hidden;margin-bottom:14px}
.cat-accordion .accordion-header{background:transparent}
.cat-accordion .accordion-button{background:transparent;color:var(--text-hi);font-weight:600;padding:1.05rem 1.3rem;font-size:1rem;box-shadow:none;border:0;align-items:center}
.cat-accordion .accordion-button:not(.collapsed){background:rgba(69,224,208,.08);color:#fff}
.cat-accordion .accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--primary)}
.cat-accordion .accordion-button::after{width:1.5rem;height:1.5rem;background-image:none;color:var(--accent);font-size:1.4rem;line-height:1.5rem;text-align:center;content:"+";transition:transform .2s;flex:none}
.cat-accordion .accordion-button.collapsed::after{content:"+";color:var(--text-low)}
.cat-accordion .accordion-button:hover{color:#fff}
.cat-accordion .accordion-body{padding:.25rem 1.3rem 1.15rem;color:var(--text-mid);font-size:.94rem}
.faq-disclaimer{max-width:880px;margin:22px auto 0;font-size:.84rem;color:var(--text-low);border:1px dashed rgba(255,255,255,.08);border-radius:12px;padding:14px 18px;line-height:1.7}

/* ============ CTA ============ */
.cta-panel{position:relative;overflow:hidden;background:linear-gradient(135deg,rgba(17,31,45,.96),rgba(7,14,23,.98));border:1px solid rgba(255,176,32,.18);border-radius:26px;padding:clamp(42px,6vw,74px) clamp(20px,5vw,60px);text-align:center;box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-main)}
.cta-panel::before{content:"";position:absolute;top:-80px;right:-80px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(255,176,32,.1),transparent 70%)}
.cta-panel h2{font-size:clamp(1.8rem,2.6vw,2.55rem);font-weight:800;margin-bottom:12px;position:relative}
.cta-panel p{color:var(--text-mid);max-width:620px;margin:0 auto 28px;font-size:1rem;position:relative}
.cta-links{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative}

/* ============ Footer ============ */
.footer{background:var(--bg-deep);color:var(--text-mid);border-top:1px solid var(--primary);padding-top:56px;margin-top:0}
.footer-top{padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.05)}
.footer-brand .footer-logo{display:flex;align-items:center;font-size:1.25rem;font-weight:800;color:var(--text-hi)}
.footer-brand .footer-logo:hover{color:var(--text-hi)}
.footer-logo .brand-icon{width:36px;height:36px;font-size:1.05rem}
.footer-desc{color:var(--text-low);font-size:.9rem;line-height:1.8;max-width:360px;margin:1rem 0 1.1rem}
.footer-list-title{color:var(--text-hi);font-weight:700;margin-bottom:1rem}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:.7rem}
.footer-links a{color:var(--text-low);display:inline-flex;align-items:center;gap:8px;font-size:.92rem}
.footer-links a::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--primary);opacity:.65}
.footer-links a:hover{color:var(--primary)}
.footer-updates{display:flex;flex-direction:column;gap:10px}
.footer-update-line{color:var(--text-low);display:flex;align-items:center;gap:4px;font-size:.9rem;line-height:1.6}
.footer-update-line i{color:var(--primary)}
.footer-update-line .time{margin-left:auto;background:rgba(255,255,255,.05);border-radius:999px;padding:.1rem .55rem;font-size:.72rem;flex:none}
.footer-update-line:hover{color:#fff}
.footer-sub{display:flex;gap:8px}
.footer-sub input{flex:1;min-width:0;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:10px;color:#fff;padding:.6rem .85rem;font-size:.9rem}
.footer-sub input::placeholder{color:var(--text-low)}
.footer-sub input:focus{outline:2px solid var(--primary);outline-offset:2px;border-color:transparent}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:18px 0;color:var(--text-low);font-size:.85rem}
.footer-bottom a{color:var(--text-low)}
.footer-bottom a:hover{color:var(--primary)}
@media (max-width:767px){
  .footer-bottom{flex-direction:column;text-align:center}
}
@media (max-width:520px){
  .footer-top .row>div{margin-bottom:20px}
}