/* roulang page: index */
:root {
  --primary: #4fe3b8;
  --primary-bright: #70f5cb;
  --primary-soft: rgba(79, 227, 184, .12);
  --accent: #ff8b5c;
  --accent-soft: rgba(255, 139, 92, .12);
  --bg-ink: #06100d;
  --bg-deep: #0a1511;
  --bg-body: #0d1a15;
  --bg-panel: #101f19;
  --bg-soft: #162820;
  --bg-raised: #1b3027;
  --bg-light: #223a30;
  --line: rgba(255,255,255,.08);
  --line-bright: rgba(255,255,255,.14);
  --text-primary: #eff4ee;
  --text-strong: #f7faf6;
  --text-muted: #a7bdb2;
  --text-dim: #739086;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --shadow-soft: 0 18px 50px rgba(0,0,0,.32);
  --shadow-up: 0 12px 24px rgba(0,0,0,.28);
  --shadow-down: 0 2px 0 rgba(255,255,255,.02);
  --ease: .25s ease;
  --container: 1280px;
  --space: clamp(56px, 9vw, 112px);
  --ff-cn: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ff-num: "SF Mono", "Roboto Mono", "Menlo", monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--ff-cn);
  background: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body::-webkit-scrollbar { width: 10px; }
body::-webkit-scrollbar-track { background: var(--bg-deep); }
body::-webkit-scrollbar-thumb { background: var(--bg-light); border-radius: 20px; }
body::-webkit-scrollbar-thumb:hover { background: #2e4d40; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 6px;
}
button { background: none; border: none; color: inherit; cursor: pointer; }
img { display: block; max-width: 100%; border: 0; }
ul, ol { list-style: none; }
input, button, textarea { font-family: inherit; }
table { border-collapse: collapse; }

.skip-link {
  position: fixed; left: 16px; top: -100px; z-index: 2000;
  background: var(--primary); color: #051a13;
  padding: 10px 18px; border-radius: var(--radius-pill);
  font-weight: 600; transition: top .2s ease;
}
.skip-link:focus { top: 16px; }

.container {
  width: min(100% - 48px, var(--container));
  margin-inline: auto;
}
.section {
  padding: var(--space) 0;
  scroll-margin-top: 88px;
  position: relative;
}
.section--soft { background: var(--bg-deep); }
.section--line { border-top: 1px solid var(--line); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
  min-height: 44px;
  padding: 0 24px;
  transition: background .25s ease, border-color .25s ease, color .25s ease, transform .25s ease, box-shadow .25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #051e15;
  box-shadow: 0 8px 26px rgba(79,227,184,.15);
}
.btn-primary:hover { background: var(--primary-bright); transform: translateY(-2px); }
.btn-primary:active { transform: translateY(1px); }
.btn-primary:focus-visible { outline-color: var(--primary); }
.btn-ghost {
  background: transparent;
  color: var(--text-strong);
  border: 1px solid var(--line-bright);
}
.btn-ghost:hover {
  background: var(--primary-soft);
  border-color: rgba(79,227,184,.45);
  color: var(--primary-bright);
  transform: translateY(-2px);
}
.btn-ghost:active { transform: translateY(0); }
.btn-dark {
  background: rgba(0,0,0,.22);
  border: 1px solid var(--line-bright);
  color: #fff;
}
.btn-dark:hover { background: rgba(0,0,0,.38); }
.btn-lg { min-height: 54px; padding: 0 32px; font-size: 16px; }
.btn-sm { min-height: 40px; padding: 0 18px; font-size: 14px; }

.icon-btn {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--text-muted);
  transition: background .25s ease, color .25s ease, transform .25s ease;
}
.icon-btn:hover { background: rgba(255,255,255,.07); color: var(--text-strong); }

header.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background .3s ease, border-color .3s ease, box-shadow .25s ease;
  background: rgba(8,18,14,.55);
  border-bottom: 1px solid transparent;
}
header.site-header.is-scrolled {
  background: rgba(7,16,13,.88);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
  box-shadow: 0 8px 32px rgba(0,0,0,.25);
}
.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: space-between;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--primary);
  background: var(--primary-soft);
}
.brand-icon svg { width: 24px; height: 24px; }
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  color: var(--text-strong);
}
.brand-en {
  font-family: ui-monospace, var(--ff-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--primary);
}
.brand-cn {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .01em;
}
.nav-center {
  display: flex;
  justify-content: center;
  flex: 1;
}
.nav-track {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 4px;
  background: rgba(255,255,255,.055);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--radius-pill);
}
.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 500;
  transition: background .25s ease, color .25s ease;
}
.nav-link:hover { color: var(--text-strong); background: rgba(255,255,255,.06); }
.nav-link.active {
  background: var(--primary);
  color: #071f17;
  font-weight: 600;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 120px 24px 24px;
  background: rgba(4,12,9,.82);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s ease, visibility .25s ease;
}
.search-overlay.is-open { opacity: 1; visibility: visible; }
.search-panel {
  width: min(640px, 100%);
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow-soft);
  transform: translateY(-12px);
  transition: transform .3s ease;
}
.search-overlay.is-open .search-panel { transform: translateY(0); }
.search-panel form { display: flex; gap: 12px; }
.search-panel input[type="search"] {
  flex: 1;
  min-height: 52px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: var(--radius-md);
  color: #fff;
  padding: 0 18px;
  font-size: 16px;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.search-panel input[type="search"]:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,227,184,.12);
}
.search-panel input[type="search"]::placeholder { color: var(--text-dim); }
.search-close {
  margin-top: 18px;
  color: var(--text-dim);
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color .25s ease;
}
.search-close:hover { color: var(--text-strong); }

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 140px 0 100px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: url("/assets/images/backpic/back-1.webp") center center / cover no-repeat;
  transform: scale(1.03);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(6,15,12,.96) 0%, rgba(6,15,12,.72) 44%, rgba(6,15,12,.32) 100%),
    linear-gradient(0deg, rgba(6,15,12,1) 0%, rgba(6,15,12,0) 30%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--primary);
  font-family: var(--ff-num);
  font-size: 13px;
  letter-spacing: .22em;
  text-transform: uppercase;
  margin-bottom: 26px;
}
.eyebrow::before {
  content: "";
  width: 36px;
  height: 1px;
  background: var(--primary);
}
.hero h1 {
  font-size: clamp(40px, 6vw, 78px);
  line-height: 1.16;
  letter-spacing: -.04em;
  color: var(--text-strong);
  font-weight: 800;
  margin-bottom: 28px;
}
.hero h1 .text-grad {
  background: linear-gradient(90deg, #fff, var(--primary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-lead {
  max-width: 600px;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.85;
  color: var(--text-muted);
  margin-bottom: 38px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 30px;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: .55;
}
.cue-line {
  width: 1px;
  height: 42px;
  background: linear-gradient(180deg, var(--primary), transparent);
  animation: cueDrop 1.8s ease-in-out infinite;
}
.cue-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--primary);
}
@keyframes cueDrop {
  0% { transform: scaleY(.2); transform-origin: top; }
  60%, 100% { transform: scaleY(1); transform-origin: top; }
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  margin-bottom: 42px;
}
.sec-index {
  display: inline-flex;
  align-items: center;
  color: var(--primary);
  font-family: var(--ff-num);
  font-size: 13px;
  letter-spacing: .1em;
  margin-bottom: 14px;
  border: 1px solid rgba(79,227,184,.26);
  background: var(--primary-soft);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  width: max-content;
}
.section-head h2 {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.25;
  letter-spacing: -.03em;
  color: var(--text-strong);
  font-weight: 700;
}
.section-head .desc {
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 15px;
  max-width: 620px;
}
.more-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: color .2s ease, gap .2s ease;
  flex-shrink: 0;
}
.more-link:hover {
  color: var(--primary);
  gap: 12px;
}
.more-link svg { width: 15px; height: 15px; }

.portal-section {
  padding-top: 74px;
  padding-bottom: 44px;
}
.portal-grid {
  display: grid;
  grid-template-columns: 1.15fr .95fr .9fr;
  gap: 18px;
}
.portal-card {
  position: relative;
  min-height: 250px;
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  overflow: hidden;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  transition: border-color .25s ease, transform .25s ease, background .25s ease;
}
.portal-card::after {
  content: "";
  position: absolute;
  right: -36px;
  top: -24px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79,227,184,.13), transparent 70%);
  opacity: .6;
  transition: opacity .3s ease;
}
.portal-card:hover { transform: translateY(-4px); border-color: var(--line-bright); background: var(--bg-soft); }
.portal-card:hover::after { opacity: 1; }
.portal-card--news { background: linear-gradient(135deg, rgba(79,227,184,.08), rgba(6,15,12,1) 60%), var(--bg-panel); }
.portal-card--library { background: linear-gradient(145deg, rgba(255,139,92,.08), transparent 60%), var(--bg-panel); }
.portal-card--service { background: linear-gradient(145deg, rgba(255,255,255,.07), transparent 70%), var(--bg-panel); }
.portal-num {
  position: absolute;
  top: 22px;
  right: 22px;
  font-family: var(--ff-num);
  font-weight: 500;
  color: var(--primary);
  font-size: 14px;
  opacity: .7;
}
.portal-icon {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--primary-soft);
  color: var(--primary);
  margin-bottom: auto;
}
.portal-card--library .portal-icon { background: var(--accent-soft); color: var(--accent); }
.portal-card--service .portal-icon { background: rgba(255,255,255,.08); color: var(--text-strong); }
.portal-icon svg { width: 23px; height: 23px; }
.portal-card h3 {
  margin-top: 20px;
  font-size: 24px;
  color: #fff;
  font-weight: 700;
  letter-spacing: -.02em;
}
.portal-card p {
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.75;
}
.go-link {
  margin-top: 22px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-strong);
  font-weight: 500;
  transition: gap .25s ease, color .25s ease;
}
.go-link svg { width: 16px; height: 16px; color: var(--primary); }
.portal-card:hover .go-link { gap: 12px; color: var(--primary); }

.shelf-wrap {
  position: relative;
  padding-bottom: 8px;
}
.shelf-scroll {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 6px 8px 24px;
  margin-inline: -8px;
  scrollbar-width: none;
}
.shelf-scroll::-webkit-scrollbar { display: none; }
.media-card {
  width: 302px;
  scroll-snap-align: start;
  flex: 0 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.media-card:hover { transform: translateY(-5px); border-color: var(--line-bright); box-shadow: var(--shadow-soft); }
.media-poster {
  position: relative;
  overflow: hidden;
  aspect-ratio: 2 / 2.8;
}
.media-card--wide .media-poster { aspect-ratio: 16 / 10; }
.media-poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.media-card:hover .media-poster img { transform: scale(1.05); }
.poster-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(4,10,8,.94) 100%);
  opacity: 0;
  transition: opacity .25s ease;
}
.media-card:hover .poster-overlay { opacity: 1; }
.media-card-top {
  position: absolute;
  top: 14px;
  left: 14px;
  right: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  z-index: 2;
}
.tag {
  padding: 5px 11px;
  border-radius: var(--radius-pill);
  background: rgba(5,13,10,.68);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.14);
  color: rgba(255,255,255,.85);
  font-size: 12px;
  letter-spacing: .02em;
  white-space: nowrap;
}
.tag-hot {
  background: #521b12;
  border-color: rgba(255,139,92,.5);
  color: #ffa984;
}
.tag-score {
  background: rgba(5,13,10,.72);
  color: #ffd2b7;
  border-color: rgba(255,139,92,.25);
}
.media-body {
  padding: 15px 16px 17px;
}
.media-body h3 {
  font-size: 17px;
  line-height: 1.45;
  color: #fff;
  font-weight: 600;
  margin-bottom: 4px;
  transition: color .2s ease;
}
.media-card:hover .media-body h3 { color: var(--primary); }
.media-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-dim);
  font-size: 12px;
}
.media-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--text-dim); }
.shelf-arrow {
  position: absolute;
  top: 35%;
  right: -2px;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  z-index: 8;
  border-radius: 50%;
  background: rgba(5,16,13,.62);
  border: 1px solid rgba(255,255,255,.15);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background .25s ease, transform .25s ease, border-color .25s ease;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.shelf-arrow.left { right: auto; left: -2px; }
.shelf-arrow:hover { background: rgba(20,45,38,.78); border-color: var(--primary); transform: translateY(-50%) scale(1.05); }
.shelf-arrow.hidden { opacity: 0; pointer-events: none; }

.hot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, minmax(240px, auto));
  gap: 18px;
}
.hot-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  transition: transform .25s ease, border-color .25s ease;
}
.hot-card:hover { transform: translateY(-4px); border-color: var(--line-bright); }
.hot-media { position: relative; flex: 1; min-height: 160px; overflow: hidden; }
.hot-media img { width: 100%; height: 100%; object-fit: cover; }
.hot-card .hot-rank,
.hot-media .hot-rank {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  font-family: var(--ff-num);
  font-size: 28px;
  font-weight: 600;
  line-height: 1;
  color: rgba(255,255,255,.9);
  -webkit-text-stroke: 1px rgba(255,255,255,.1);
  text-shadow: 0 2px 22px rgba(0,0,0,.4);
}
.hot-rank::after {
  content: ".";
  color: var(--primary);
}
.hot-media .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.08), rgba(0,0,0,.5) 100%);
}
.hot-body { padding: 17px 18px 20px; }
.hot-body h3 {
  color: #fff;
  font-size: 18px;
  font-weight: 650;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.hot-card:hover .hot-body h3 { color: var(--primary); }
.hot-body p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.75;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: 5px;
}
.hot-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 11px;
  font-size: 12px;
  color: var(--text-dim);
}
.hot-meta .genre {
  background: rgba(255,255,255,.08);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  color: var(--text-muted);
}
.hot-card-large {
  grid-column: span 2;
  grid-row: span 2;
}
.hot-card-large .hot-media { min-height: 100%; }
.hot-card-large .hot-body {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  padding: 42px 30px 28px;
  background: linear-gradient(180deg, transparent, rgba(4,12,10,.95) 76%);
}
.hot-card-large .hot-body h3 { font-size: 26px; -webkit-line-clamp: 1; }
.hot-card-large .hot-body p { -webkit-line-clamp: 2; max-width: 560px; }
.hot-card-large .hot-media .overlay { background: linear-gradient(180deg, rgba(0,0,0,0) 22%, rgba(4,12,10,.45) 56%, rgba(4,12,10,.86) 100%); }
.hot-card-simple {
  grid-column: span 1;
  display: grid;
  grid-template-columns: 120px 1fr;
  min-height: 0;
}
.hot-card-simple .hot-media { grid-row: span 2; min-height: 0; }
.hot-card-simple .hot-body { display: flex; flex-direction: column; justify-content: center; padding: 14px 14px 14px 0; }
.hot-card-simple .hot-media .hot-rank { top: 8px; left: 8px; font-size: 18px; }
.hot-card-simple .hot-body p { -webkit-line-clamp: 3; font-size: 13px; }

.rail-section { background: var(--bg-deep); border-top: 1px solid var(--line); }
.rail-stack { display: flex; flex-direction: column; gap: 40px; }
.rail-block { position: relative; }
.rail-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}
.rail-head h3 {
  font-size: 19px;
  color: #fff;
  font-weight: 650;
}
.rail-head h3 small {
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 400;
  margin-left: 8px;
}
.rail-head a { color: var(--text-muted); font-size: 13px; transition: color .2s ease; }
.rail-head a:hover { color: var(--primary); }
.rail-shelf {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding: 4px 2px 18px;
  scrollbar-width: thin;
  scrollbar-color: var(--bg-light) transparent;
}
.rail-shelf::-webkit-scrollbar { height: 5px; }
.rail-shelf::-webkit-scrollbar-thumb { background: var(--bg-light); border-radius: 20px; }
.rail-card {
  width: 200px;
  flex: 0 0 auto;
  scroll-snap-align: center;
}
.rail-cover {
  position: relative;
  aspect-ratio: 3 / 4;
  border-radius: 16px;
  overflow: hidden;
  background: var(--bg-soft);
  border: 1px solid var(--line);
}
.rail-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.rail-card:hover .rail-cover img { transform: scale(1.06); }
.rail-cover .play-btn {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 46px;
  height: 46px;
  transform: translate(-50%, -34%);
  background: var(--primary);
  color: #041d14;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: transform .3s ease, opacity .25s ease;
}
.rail-card:hover .play-btn { opacity: 1; transform: translate(-50%, -50%); }
.rail-cover .play-btn svg { width: 18px; height: 18px; }
.rail-card h4 {
  margin-top: 10px;
  color: #e9efec;
  font-size: 15px;
  font-weight: 550;
  line-height: 1.5;
}
.rail-card span { color: var(--text-dim); font-size: 12px; }

.info-section { position: relative; }
.info-layout {
  display: grid;
  grid-template-columns: 1fr 1.12fr;
  gap: 44px;
  align-items: start;
}
.info-aside {
  position: sticky;
  top: 100px;
  border-radius: var(--radius-lg);
  background: var(--bg-panel);
  border: 1px solid var(--line);
  overflow: hidden;
}
.info-aside-img {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
}
.info-aside-img img { width: 100%; height: 100%; object-fit: cover; }
.info-aside-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent, rgba(4,12,9,.6)); }
.info-aside .aside-tag {
  position: absolute;
  left: 16px;
  top: 16px;
  z-index: 2;
  background: #071511c9;
  color: #fff;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  border: 1px solid rgba(255,255,255,.15);
}
.info-aside-content { padding: 20px 22px 24px; }
.info-aside-content h3 { font-size: 19px; color: #fff; margin-bottom: 10px; line-height: 1.55; }
.info-aside-content p { font-size: 14px; color: var(--text-muted); line-height: 1.8; }
.info-aside-content a { margin-top: 13px; }
.info-list { display: flex; flex-direction: column; }
.info-row {
  position: relative;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  transition: opacity .2s ease;
}
.info-row:last-child { border-bottom: none; padding-bottom: 4px; }
.info-row:hover { opacity: 1; }
.info-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.info-cat {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
}
.info-cat::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.info-date {
  color: var(--text-dim);
  font-family: var(--ff-num);
  font-size: 13px;
}
.info-row .info-title {
  font-size: 19px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text-strong);
  transition: color .2s ease;
}
.info-row a:hover .info-title { color: var(--primary); }
.info-excerpt {
  margin-top: 7px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.read-line {
  margin-top: 12px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--text-dim);
  font-size: 13px;
  font-weight: 500;
  transition: color .2s ease, gap .2s ease;
}
.read-line:hover { color: var(--primary); gap: 11px; }
.info-empty {
  padding: 50px 20px;
  border: 1px dashed var(--line-bright);
  border-radius: 16px;
  color: var(--text-dim);
  text-align: center;
}
.info-empty svg { width: 44px; height: 44px; margin-bottom: 12px; opacity: .55; }
.info-empty p { font-size: 15px; color: var(--text-muted); }
.info-empty .btn { margin-top: 16px; }

.steps-wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.step-card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  transition: border-color .25s ease, transform .25s ease;
}
.step-card:hover { transform: translateY(-4px); border-color: var(--line-bright); }
.step-num {
  font-family: var(--ff-num);
  color: var(--primary);
  font-size: 32px;
  line-height: 1;
  font-weight: 500;
  display: block;
  margin-bottom: 16px;
}
.step-card h3 { color: #fff; font-size: 17px; margin-bottom: 8px; }
.step-card p { color: var(--text-muted); font-size: 14px; line-height: 1.75; }
.step-line { display: none; }

.faq-section { background: var(--bg-deep); border-top: 1px solid var(--line); }
.faq-panel {
  max-width: 980px;
  margin: 0 auto;
}
.faq-title-wrap {
  text-align: center;
  margin-bottom: 48px;
}
.faq-title-wrap .section-head { align-items: center; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); background: transparent; }
.faq-item[open] { background: rgba(255,255,255,.015); }
.faq-question {
  list-style: none;
  min-height: 74px;
  padding: 18px 34px 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  cursor: pointer;
  color: var(--text-strong);
  font-size: 17px;
  font-weight: 550;
  text-align: left;
  letter-spacing: .01em;
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question:hover { color: var(--primary); }
.faq-plus {
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-bright);
  font-size: 20px;
  color: var(--primary);
  transition: transform .3s ease, background .3s ease, border-color .3s ease;
}
.faq-item[open] .faq-plus { transform: rotate(45deg); background: var(--primary); color: #0a1c15; border-color: var(--primary); }
.faq-answer {
  padding: 0 32px 28px 0;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
}
.faq-answer a { color: var(--primary); border-bottom: 1px solid rgba(79,227,184,.2); }
.faq-answer a:hover { color: var(--primary-bright); border-color: var(--primary); }

.cta-section {
  position: relative;
  padding: 90px 0;
  border-top: 1px solid var(--line);
  overflow: hidden;
}
.cta-bg {
  position: absolute;
  inset: 0;
  background: url("/assets/images/backpic/back-2.png") center 40% / cover no-repeat;
}
.cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(6,14,11,.92), rgba(6,14,11,.65) 55%, rgba(6,14,11,.35)), linear-gradient(0deg, rgba(6,14,11,.5), transparent 70%);
}
.cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-copy h2 {
  font-size: clamp(30px, 4.4vw, 50px);
  color: var(--text-strong);
  max-width: 580px;
  line-height: 1.2;
  margin-bottom: 18px;
  letter-spacing: -.03em;
}
.cta-copy p {
  color: var(--text-muted);
  font-size: 16px;
  max-width: 620px;
  line-height: 1.8;
}
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

footer.site-footer {
  background: #06100d;
  border-top: 1px solid var(--line);
  padding-top: 70px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr .8fr 1fr;
  gap: 42px;
  padding-bottom: 40px;
}
.footer-brand p {
  max-width: 320px;
  color: var(--text-muted);
  font-size: 14px;
  margin-top: 16px;
  line-height: 1.8;
}
.footer-title {
  color: var(--text-strong);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 18px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  color: var(--text-muted);
  font-size: 14px;
  transition: color .2s ease, padding-left .2s ease;
}
.footer-links a:hover { color: var(--primary); padding-left: 5px; }
.footer-news p {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 18px;
}
.subscribe-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.subscribe-form input[type="email"] {
  flex: 1;
  min-width: 210px;
  min-height: 46px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  color: #fff;
  font-size: 14px;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.subscribe-form input[type="email"]:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,227,184,.1);
}
.subscribe-form input[type="email"]::placeholder { color: var(--text-dim); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  color: var(--text-dim);
  font-size: 13px;
}
.footer-bottom a { color: var(--text-dim); }
.footer-bottom a:hover { color: var(--primary); }
.info-minirow { display: flex; flex-wrap: wrap; gap: 14px; color: var(--text-dim); font-size: 12px; }

@media (max-width: 1280px) {
  .container { width: min(100% - 48px, 1240px); }
  .hot-card-simple { grid-template-columns: 108px 1fr; }
}

@media (max-width: 1024px) {
  header.site-header { position: sticky; background: rgba(8,18,14,.9); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
  header.site-header.is-scrolled { box-shadow: none; }
  .header-inner { min-height: 92px; flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; }
  .brand { order: 1; }
  .header-actions { order: 2; }
  .nav-center {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    scrollbar-width: none;
    margin-right: -24px;
    margin-left: -24px;
    padding-left: 24px;
    padding-right: 24px;
  }
  .nav-center::-webkit-scrollbar { display: none; }
  .nav-track { width: max-content; }
  .nav-link { white-space: nowrap; }
  .portal-grid { grid-template-columns: 1fr; }
  .portal-card { min-height: 200px; }
  .hot-grid { grid-template-columns: repeat(2, 1fr); grid-template-rows: auto auto; }
  .hot-card-large { grid-column: span 2; grid-row: span 1; min-height: 340px; }
  .hot-card-simple { grid-row: span 1; grid-column: span 1; }
  .steps-wrap { grid-template-columns: repeat(2, 1fr); }
  .info-layout { grid-template-columns: 1fr; gap: 24px; }
  .info-aside { position: static; display: grid; grid-template-columns: 1.1fr 1fr; align-items: stretch; }
  .info-aside-img { min-height: 170px; }
  .hero { min-height: min(100svh, 820px); }
}

@media (max-width: 768px) {
  .container { width: min(100% - 40px, 1240px); }
  .header-inner { gap: 8px; }
  .search-panel { padding: 18px; }
  .search-panel form { flex-wrap: wrap; }
  .hot-grid { grid-template-columns: 1fr; }
  .hot-card-large { grid-column: span 1; min-height: 250px; }
  .hot-card-simple { grid-column: span 1; grid-template-columns: 110px 1fr; }
  .section-head { margin-bottom: 30px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .rail-card { width: 164px; }
}

@media (max-width: 520px) {
  .container { width: calc(100% - 32px); }
  .section { padding: 60px 0; }
  header.site-header .brand-cn { font-size: 13px; }
  .header-actions .btn-sm { padding: 0 11px; font-size: 13px; min-height: 38px; }
  .header-actions .icon-btn { width: 38px; height: 38px; }
  .hero { padding-top: 112px; padding-bottom: 78px; min-height: calc(100svh - 40px); }
  .hero h1 { font-size: 34px; }
  .hero-lead { font-size: 16px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .scroll-cue { display: none; }
  .eyebrow { font-size: 12px; }
  .media-card { width: 72vw; }
  .hot-card-large .hot-body { padding: 32px 20px 24px; }
  .hot-card-large .hot-body h3 { font-size: 21px; }
  .hot-card-simple { grid-template-columns: 96px 1fr; }
  .hot-card-simple .hot-media { min-height: 130px; }
  .steps-wrap { grid-template-columns: 1fr; }
  .cta-section { padding: 70px 0; }
  .cta-actions .btn { width: 100%; }
  .faq-question { font-size: 15px; padding: 19px 0; margin-right: 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .info-aside { display: block; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .hero-bg { transform: none; }
  .scroll-cue { opacity: .3; }
}

/* roulang page: category1 */
:root {
      --bg: #07110d;
      --bg-deep: #040a07;
      --bg-elev: #0c1914;
      --surface: rgba(255, 255, 255, 0.045);
      --surface-hover: rgba(255, 255, 255, 0.075);
      --line: rgba(255, 255, 255, 0.13);
      --line-soft: rgba(255, 255, 255, 0.07);
      --text: #eef7f1;
      --text-soft: #c5d4cd;
      --muted: #8da39a;
      --primary: #58e6c3;
      --primary-bright: #80f5d8;
      --coral: #ff8c73;
      --radius-xl: 22px;
      --radius-lg: 18px;
      --radius-md: 12px;
      --radius-pill: 999px;
      --shadow: 0 30px 70px rgba(0, 0, 0, 0.35);
      --font: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
      --ease: 0.25s ease;
    }

    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      background: radial-gradient(1100px 500px at 85% -5%, rgba(88, 230, 195, 0.06), transparent 62%), linear-gradient(165deg, #07110d 0%, #040b08 45%, #081610 100%);
      color: var(--text);
      font-family: var(--font);
      font-size: 16px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
      min-height: 100vh;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      z-index: -1;
      background-image: radial-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px);
      background-size: 34px 34px;
      pointer-events: none;
    }

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

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

    button, input {
      font: inherit;
      border: 0;
      background: none;
      color: inherit;
    }

    button {
      cursor: pointer;
    }

    ul, ol {
      list-style: none;
    }

    .skip-link {
      position: absolute;
      left: -9999px;
      width: 1px;
      height: 1px;
      overflow: hidden;
    }

    .container {
      width: min(1280px, calc(100% - 48px));
      margin-inline: auto;
    }

    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 100;
      background: rgba(4, 11, 8, 0.72);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border-bottom: 1px solid transparent;
      transition: background var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .site-header.is-scrolled {
      background: rgba(4, 11, 8, 0.9);
      border-bottom-color: rgba(255, 255, 255, 0.1);
      box-shadow: 0 12px 36px rgba(0, 0, 0, 0.28);
    }

    .header-inner {
      min-height: 72px;
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .brand-icon {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      border-radius: 50%;
      border: 1px solid rgba(88, 230, 195, 0.35);
      background: rgba(88, 230, 195, 0.08);
      color: var(--primary);
      overflow: hidden;
    }

    .brand-icon svg {
      width: 28px;
      height: 28px;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.2;
    }

    .brand-en {
      font-size: 18px;
      font-weight: 800;
      letter-spacing: 0.14em;
      color: var(--text);
      font-variation-settings: "wght" 700;
      font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    }

    .brand-cn {
      font-size: 13px;
      color: var(--muted);
      letter-spacing: 0.08em;
      margin-top: 3px;
    }

    .nav-center {
      flex: 1;
      display: flex;
      justify-content: center;
      min-width: 0;
    }

    .nav-track {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      padding: 5px;
      background: rgba(255, 255, 255, 0.045);
      border: 1px solid rgba(255, 255, 255, 0.09);
      border-radius: var(--radius-pill);
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 38px;
      padding: 0 16px;
      border-radius: var(--radius-pill);
      color: var(--text-soft);
      font-size: 15px;
      font-weight: 500;
      transition: background var(--ease), color var(--ease), box-shadow var(--ease);
      white-space: nowrap;
    }

    .nav-link:hover {
      color: var(--text);
      background: rgba(255, 255, 255, 0.07);
    }

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

    .nav-link.active {
      background: var(--primary);
      color: #08231b;
      font-weight: 600;
      box-shadow: 0 0 0 4px rgba(88, 230, 195, 0.14);
    }

    .header-actions {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 12px;
      flex-shrink: 0;
    }

    .icon-btn {
      width: 42px;
      height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      color: var(--text-soft);
      transition: background var(--ease), color var(--ease), transform var(--ease);
    }

    .icon-btn:hover {
      background: rgba(255, 255, 255, 0.08);
      color: var(--text);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      height: 52px;
      padding: 0 28px;
      border-radius: var(--radius-pill);
      font-size: 16px;
      font-weight: 600;
      line-height: 1;
      transition: background var(--ease), opacity var(--ease), transform var(--ease), box-shadow var(--ease), border-color var(--ease), color var(--ease);
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--primary);
      color: #08231b;
      box-shadow: 0 12px 30px rgba(88, 230, 195, 0.18);
    }

    .btn-primary:hover {
      background: var(--primary-bright);
      transform: translateY(-2px);
      box-shadow: 0 16px 38px rgba(88, 230, 195, 0.24);
    }

    .btn-primary:active {
      transform: translateY(0);
    }

    .btn-ghost {
      background: transparent;
      border: 1px solid rgba(255, 255, 255, 0.3);
      color: var(--text);
    }

    .btn-ghost:hover {
      background: rgba(88, 230, 195, 0.12);
      border-color: rgba(88, 230, 195, 0.6);
      color: var(--primary-bright);
      transform: translateY(-2px);
    }

    .btn-sm {
      height: 40px;
      padding: 0 18px;
      font-size: 14px;
    }

    .btn:focus-visible,
    .btn-sm:focus-visible {
      outline: 3px solid rgba(88, 230, 195, 0.4);
      outline-offset: 2px;
    }

    .inner-hero {
      position: relative;
      isolation: isolate;
      padding: 190px 0 104px;
      overflow: hidden;
      background: #06110c;
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      z-index: -2;
      background-image: linear-gradient(100deg, rgba(3, 8, 6, 0.75), rgba(3, 8, 6, 0.42) 60%, rgba(3, 8, 6, 0.82)), url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center 60%;
    }

    .hero-bg::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, #06110c 0%, rgba(4, 11, 8, 0.1) 28%, rgba(4, 11, 8, 0.08) 70%, rgba(4, 11, 8, 0.6) 100%);
    }

    .breadcrumb-line {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 14px;
      color: var(--muted);
      margin-bottom: 34px;
    }

    .breadcrumb-line a {
      color: var(--muted);
      transition: color var(--ease);
    }

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

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 18px;
      color: var(--primary);
      font-weight: 600;
      font-size: 14px;
      letter-spacing: 0.12em;
    }

    .eyebrow-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 0 4px rgba(88, 230, 195, 0.15);
    }

    .inner-hero h1 {
      font-size: clamp(46px, 6.6vw, 76px);
      font-weight: 750;
      letter-spacing: -0.04em;
      line-height: 1.08;
      max-width: 640px;
      color: var(--text);
    }

    .hero-summary {
      max-width: 660px;
      margin-top: 22px;
      font-size: 18px;
      line-height: 1.9;
      color: var(--text-soft);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 36px;
    }

    .scroll-hint {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-top: 52px;
      color: var(--muted);
      font-size: 13px;
    }

    .scroll-hint::before {
      content: "";
      width: 34px;
      height: 1px;
      background: var(--primary);
      opacity: 0.7;
    }

    .scroll-hint span {
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: var(--primary);
      animation: floatDot 2s infinite ease-in-out;
    }

    @keyframes floatDot {
      0%, 100% { transform: translateY(0); opacity: 0.5; }
      50% { transform: translateY(6px); opacity: 1; }
    }

    .section {
      padding: 96px 0;
    }

    .section.panel-tight {
      padding-top: 70px;
      padding-bottom: 70px;
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 44px;
    }

    .section-kicker {
      font-size: 15px;
      font-weight: 600;
      letter-spacing: 0.02em;
      color: var(--primary);
      margin-bottom: 12px;
    }

    .section-title {
      font-size: clamp(28px, 3vw, 38px);
      font-weight: 700;
      line-height: 1.25;
      letter-spacing: -0.02em;
    }

    .section-sub {
      max-width: 520px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.8;
    }

    .section-note {
      font-size: 14px;
      color: var(--muted);
      border-left: 2px solid var(--coral);
      padding-left: 14px;
      max-width: 260px;
      line-height: 1.7;
    }

    .scan-card {
      position: relative;
      border: 1px solid var(--line);
      border-radius: var(--radius-xl);
      background: linear-gradient(135deg, rgba(10, 23, 18, 0.94), rgba(5, 14, 10, 0.96));
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .scan-grid {
      display: grid;
      grid-template-columns: 1.05fr 0.95fr;
    }

    .scan-main {
      padding: 44px 44px;
      border-right: 1px solid var(--line);
    }

    .scan-main h2 {
      font-size: 26px;
      line-height: 1.6;
      font-weight: 650;
      margin-bottom: 18px;
    }

    .scan-main p {
      color: var(--text-soft);
      line-height: 1.9;
      font-size: 16px;
    }

    .scan-list {
      margin-top: 28px;
      display: grid;
      gap: 12px;
    }

    .scan-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: var(--text-soft);
      font-size: 15px;
      line-height: 1.6;
    }

    .scan-list li::before {
      content: "";
      flex: 0 0 6px;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--primary);
      margin-top: 10px;
      box-shadow: 0 0 0 3px rgba(88, 230, 195, 0.12);
    }

    .scan-aside {
      padding: 44px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      background: rgba(255, 255, 255, 0.02);
    }

    .mini-headline {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 22px;
      font-weight: 700;
      font-size: 18px;
    }

    .mini-headline span:last-child {
      font-size: 13px;
      color: var(--muted);
      font-weight: 500;
      border: 1px solid var(--line);
      border-radius: var(--radius-pill);
      padding: 4px 10px;
    }

    .aside-line {
      display: flex;
      gap: 16px;
      align-items: flex-start;
      padding: 18px 0;
      border-bottom: 1px solid var(--line-soft);
    }

    .aside-line:first-of-type {
      padding-top: 0;
    }

    .aside-line:last-child {
      border-bottom: 0;
    }

    .aside-index {
      font-size: 12px;
      color: var(--coral);
      font-weight: 700;
      min-width: 30px;
      margin-top: 5px;
    }

    .aside-body h3 {
      font-size: 16px;
      line-height: 1.5;
      font-weight: 600;
      margin-bottom: 6px;
    }

    .aside-body p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
    }

    .category-map {
      position: relative;
      margin-top: 20px;
    }

    .map-wrap {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }

    .map-card {
      display: flex;
      align-items: center;
      gap: 22px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: var(--surface);
      padding: 28px 28px;
      transition: background var(--ease), transform var(--ease), border-color var(--ease);
    }

    .map-card:hover {
      background: var(--surface-hover);
      border-color: rgba(88, 230, 195, 0.3);
      transform: translateY(-4px);
    }

    .map-card svg {
      width: 36px;
      height: 36px;
      color: var(--primary);
      flex: 0 0 auto;
    }

    .map-card h3 {
      font-size: 18px;
      font-weight: 600;
      margin-bottom: 4px;
    }

    .map-card p {
      font-size: 14px;
      color: var(--muted);
      line-height: 1.6;
    }

    .guide-block {
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 72px;
      align-items: center;
    }

    .guide-content h2 {
      font-size: clamp(28px, 3.2vw, 40px);
      line-height: 1.35;
      margin-bottom: 24px;
    }

    .guide-content p {
      color: var(--text-soft);
      line-height: 2;
      margin-bottom: 18px;
    }

    .guide-content ul {
      grid-gap: 16px;
      margin-top: 20px;
    }

    .guide-content ul li {
      border-left: 3px solid var(--primary);
      background: rgba(88, 230, 195, 0.05);
      padding: 14px 16px;
      margin-top: 10px;
      border-radius: 0 12px 12px 0;
      color: var(--text-soft);
      font-size: 15px;
    }

    .guide-note {
      border: 1px solid rgba(255, 138, 114, 0.36);
      background: rgba(255, 138, 114, 0.08);
      border-radius: 16px;
      padding: 14px 16px;
      color: #ffc3a9;
      font-size: 14px;
      line-height: 1.6;
      margin-top: 24px;
    }

    .guide-media {
      position: relative;
      border-radius: var(--radius-xl);
      overflow: hidden;
      border: 1px solid var(--line);
      min-height: 400px;
      box-shadow: var(--shadow);
    }

    .guide-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s ease;
    }

    .guide-media:hover img,
    .feature-media:hover img {
      transform: scale(1.03);
    }

    .guide-media::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(4, 11, 8, 0.9) 0%, transparent 55%);
    }

    .media-caption {
      position: absolute;
      left: 24px;
      right: 24px;
      bottom: 22px;
      z-index: 2;
    }

    .media-caption span {
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.04em;
    }

    .media-caption p {
      color: var(--text);
      margin-top: 6px;
      font-size: 18px;
      font-weight: 600;
    }

    .timeline {
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 72px;
      align-items: start;
    }

    .timeline-side {
      position: sticky;
      top: 118px;
    }

    .timeline-side h2 {
      font-size: clamp(30px, 3vw, 40px);
      line-height: 1.4;
      margin-bottom: 18px;
    }

    .timeline-side p {
      color: var(--muted);
      line-height: 2;
      margin-bottom: 28px;
    }

    .timeline-list {
      position: relative;
      padding-left: 26px;
      border-left: 1px solid rgba(255, 255, 255, 0.16);
    }

    .timeline-item {
      position: relative;
      padding-bottom: 38px;
    }

    .timeline-item:last-child {
      padding-bottom: 0;
    }

    .timeline-item::before {
      content: "";
      position: absolute;
      left: -33px;
      top: 5px;
      width: 13px;
      height: 13px;
      background: var(--primary);
      border: 4px solid #07130e;
      box-shadow: 0 0 0 1px rgba(88, 230, 195, 0.5);
      border-radius: 50%;
    }

    .timeline-marker {
      color: var(--coral);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.06em;
      margin-bottom: 8px;
    }

    .timeline-content h3 {
      font-size: 18px;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 8px;
    }

    .timeline-content p {
      font-size: 15px;
      color: var(--muted);
      line-height: 1.8;
    }

    .faq-section {
      background: linear-gradient(180deg, rgba(3, 10, 7, 0.4), rgba(6, 16, 12, 0.75));
      border-block: 1px solid var(--line-soft);
    }

    .faq-layout {
      display: grid;
      grid-template-columns: 0.8fr 1.2fr;
      gap: 72px;
    }

    .faq-layout h2 {
      font-size: clamp(30px, 3vw, 42px);
      line-height: 1.4;
    }

    .faq-layout > div:first-child p {
      margin-top: 20px;
      color: var(--muted);
      line-height: 2;
      font-size: 16px;
    }

    .faq-list {
      border-top: 1px solid var(--line-soft);
    }

    .faq-item {
      border-bottom: 1px solid var(--line-soft);
    }

    .faq-q {
      width: 100%;
      min-height: 60px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
      padding: 12px 0;
      color: var(--text);
      text-align: left;
      font-size: 17px;
      font-weight: 500;
      transition: color var(--ease);
    }

    .faq-q:hover {
      color: var(--primary);
    }

    .faq-q:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 4px;
      border-radius: 10px;
    }

    .faq-icon {
      position: relative;
      flex: 0 0 24px;
      width: 24px;
      height: 24px;
      transition: transform var(--ease);
    }

    .faq-icon::before,
    .faq-icon::after {
      content: "";
      position: absolute;
      background: var(--muted);
      border-radius: 4px;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
    }

    .faq-icon::before {
      width: 14px;
      height: 2px;
    }

    .faq-icon::after {
      width: 2px;
      height: 14px;
    }

    .faq-item.open .faq-icon {
      transform: rotate(45deg);
    }

    .faq-answer {
      display: grid;
      grid-template-rows: 0fr;
      transition: grid-template-rows 0.4s ease;
    }

    .faq-answer-inner {
      min-height: 0;
      overflow: hidden;
    }

    .faq-item.open .faq-answer {
      grid-template-rows: 1fr;
    }

    .faq-answer p {
      padding: 0 0 22px;
      color: var(--muted);
      max-width: 720px;
      line-height: 1.9;
      font-size: 15px;
    }

    .cta-section {
      position: relative;
      isolation: isolate;
      overflow: hidden;
      padding: 96px 0;
    }

    .cta-section .cta-bg {
      position: absolute;
      z-index: -2;
      inset: 0;
      background-image: linear-gradient(105deg, rgba(4, 10, 8, 0.86) 0%, rgba(6, 15, 11, 0.62) 60%, rgba(3, 9, 7, 0.9)), url('/assets/images/backpic/back-3.png');
      background-position: center;
      background-size: cover;
    }

    .cta-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 40px;
      flex-wrap: wrap;
    }

    .cta-inner h2 {
      font-size: clamp(28px, 3.4vw, 40px);
      line-height: 1.4;
      max-width: 660px;
    }

    .cta-inner p {
      margin-top: 12px;
      color: var(--text-soft);
      font-size: 16px;
      line-height: 1.8;
      max-width: 600px;
    }

    .cta-actions {
      display: flex;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
      flex-shrink: 0;
    }

    .site-footer {
      background: #030906;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .site-footer .container {
      padding-top: 72px;
      padding-bottom: 38px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 0.9fr 1.1fr;
      gap: 60px;
      align-items: start;
    }

    .footer-brand p {
      color: var(--muted);
      font-size: 15px;
      line-height: 1.9;
      margin-top: 22px;
      max-width: 440px;
    }

    .footer-title {
      font-size: 16px;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 18px;
    }

    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a {
      color: var(--muted);
      font-size: 15px;
      width: fit-content;
      transition: color var(--ease), padding-left var(--ease);
    }

    .footer-links a:hover {
      color: var(--primary);
      padding-left: 4px;
    }

    .footer-news {
      color: var(--muted);
    }

    .footer-news p {
      line-height: 1.8;
      font-size: 15px;
    }

    .subscribe-form {
      display: flex;
      gap: 10px;
      margin-top: 18px;
    }

    .subscribe-form input {
      flex: 1;
      min-width: 0;
      height: 48px;
      border: 1px solid var(--line);
      border-radius: 12px;
      background: rgba(255, 255, 255, 0.04);
      padding: 0 16px;
      color: var(--text);
      transition: border-color var(--ease), box-shadow var(--ease);
    }

    .subscribe-form input::placeholder {
      color: rgba(141, 163, 154, 0.8);
    }

    .subscribe-form input:focus {
      border-color: var(--primary);
      outline: none;
      box-shadow: 0 0 0 3px rgba(88, 230, 195, 0.16);
    }

    .subscribe-form button {
      height: 48px;
      flex-shrink: 0;
    }

    .footer-bottom {
      border-top: 1px solid var(--line-soft);
      margin-top: 62px;
      padding-top: 28px;
      display: flex;
      flex-wrap: wrap;
      gap: 18px;
      color: rgba(141, 163, 154, 0.75);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .section {
        padding: 76px 0;
      }

      .header-inner {
        flex-wrap: wrap;
        min-height: auto;
        padding-top: 12px;
        padding-bottom: 12px;
      }

      .brand {
        min-height: 44px;
      }

      .nav-center {
        order: 3;
        width: 100%;
        justify-content: flex-start;
        overflow: hidden;
      }

      .nav-track {
        overflow-x: auto;
        max-width: 100%;
        flex-wrap: nowrap;
        scrollbar-width: none;
      }

      .nav-track::-webkit-scrollbar {
        display: none;
      }

      .scan-grid,
      .guide-block,
      .timeline,
      .faq-layout {
        grid-template-columns: 1fr;
        gap: 48px;
      }

      .scan-main {
        border-right: 0;
        border-bottom: 1px solid var(--line);
        padding: 36px 32px;
      }

      .scan-aside {
        padding: 32px;
      }

      .timeline-side {
        position: static;
      }

      .guide-media {
        min-height: 360px;
        width: 100%;
        order: -1;
      }

      .footer-grid {
        grid-template-columns: 1.2fr 0.8fr 1fr;
        gap: 44px;
      }
    }

    @media (max-width: 768px) {
      .inner-hero {
        padding: 174px 0 80px;
      }

      .hero-summary {
        font-size: 16px;
      }

      .map-wrap {
        grid-template-columns: 1fr;
      }

      .map-card {
        padding: 20px;
      }

      .section-head {
        flex-direction: column;
        gap: 8px;
        margin-bottom: 36px;
      }

      .section-note {
        max-width: none;
      }

      .faq-section {
        padding-inline: 0;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }

      .footer-links {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 12px 20px;
      }
    }

    @media (max-width: 520px) {
      .container {
        width: calc(100% - 32px);
      }

      .section {
        padding: 56px 0;
      }

      .header-inner {
        width: calc(100% - 32px);
        gap: 10px;
        padding-top: 8px;
      }

      .brand-text .brand-cn {
        font-size: 12px;
      }

      .header-actions .btn-sm {
        padding: 0 14px;
      }

      .header-actions .icon-btn {
        width: 38px;
        height: 38px;
      }

      .inner-hero h1 {
        font-size: 44px;
      }

      .hero-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .hero-actions .btn {
        width: 100%;
      }

      .scan-main,
      .scan-aside {
        padding: 28px 20px;
      }

      .scan-main h2,
      .guide-content h2 {
        font-size: 24px;
      }

      .timeline-list {
        padding-left: 20px;
      }

      .timeline-item::before {
        left: -28px;
      }

      .faq-layout {
        gap: 30px;
      }

      .faq-q {
        font-size: 16px;
      }

      .cta-section {
        padding: 68px 0;
      }

      .cta-actions {
        width: 100%;
      }

      .cta-actions .btn {
        width: 100%;
      }

      .subscribe-form {
        flex-direction: column;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        animation-duration: 0.001s !important;
        transition-duration: 0.001s !important;
        scroll-behavior: auto !important;
      }
    }

/* roulang page: article */
:root {
            --site-bg: #07110f;
            --site-bg-2: #040a08;
            --surface: #0b1714;
            --surface-2: #0e201b;
            --line: rgba(137, 220, 202, 0.14);
            --line-strong: rgba(137, 220, 202, 0.26);
            --primary: #49e7c6;
            --primary-bright: #7cffdf;
            --on-primary: #04352c;
            --accent: #ff9364;
            --text: #eff9f4;
            --muted: #92afa6;
            --muted-2: #6d8980;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --container: 1280px;
            --shadow: 0 26px 70px rgba(0, 0, 0, 0.35);
            --font-ui: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-ui);
            background: var(--site-bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

        body::before {
            content: "";
            position: fixed;
            inset: 0;
            pointer-events: none;
            background:
                radial-gradient(ellipse at 18% -10%, rgba(61, 166, 142, 0.16), transparent 42%),
                radial-gradient(ellipse at 88% 100%, rgba(24, 104, 89, 0.1), transparent 38%);
            z-index: 0;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

        button {
            cursor: pointer;
            border: 0;
            background: none;
            color: inherit;
        }

        h1,
        h2,
        h3,
        h4,
        p,
        figure,
        ul,
        ol {
            margin: 0;
        }

        ul,
        ol {
            padding-left: 1.2rem;
        }

        ::selection {
            background: var(--primary);
            color: var(--on-primary);
        }

        .container {
            width: min(var(--container), calc(100% - 48px));
            margin-inline: auto;
            position: relative;
            z-index: 1;
        }

        .skip-link {
            position: fixed;
            left: 16px;
            top: -60px;
            z-index: 999;
            background: var(--primary);
            color: var(--on-primary);
            padding: 12px 20px;
            border-radius: 999px;
            font-weight: 700;
        }

        .skip-link:focus {
            top: 12px;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
            border-bottom: 1px solid transparent;
        }

        .site-header.scrolled {
            background: rgba(7, 17, 15, 0.94);
            border-bottom-color: var(--line);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.24);
        }

        .header-inner {
            min-height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            min-width: 0;
            flex-shrink: 0;
        }

        .brand-icon {
            width: 42px;
            height: 42px;
            flex: 0 0 42px;
            color: var(--primary);
            background: rgba(73, 231, 198, 0.09);
            border: 1px solid rgba(73, 231, 198, 0.28);
            border-radius: 14px;
            display: grid;
            place-items: center;
        }

        .brand-icon svg {
            width: 24px;
            height: 24px;
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.18;
        }

        .brand-en {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.08em;
            color: var(--text);
        }

        .brand-cn {
            font-size: 12px;
            color: var(--muted);
            letter-spacing: 0.08em;
            margin-top: 2px;
        }

        .nav-center {
            flex: 1;
            display: flex;
            justify-content: center;
            min-width: 0;
        }

        .nav-track {
            display: flex;
            gap: 4px;
            padding: 5px;
            border: 1px solid var(--line);
            background: rgba(8, 23, 19, 0.72);
            border-radius: 999px;
            align-items: center;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 20px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: var(--muted);
            white-space: nowrap;
            transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
        }

        .nav-link:hover {
            color: var(--text);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link:active {
            transform: scale(0.97);
        }

        .nav-link.active {
            background: var(--primary);
            color: var(--on-primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .icon-btn {
            width: 42px;
            height: 42px;
            display: grid;
            place-items: center;
            border: 1px solid var(--line);
            color: var(--muted);
            border-radius: 50%;
            background: transparent;
            transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease;
        }

        .icon-btn:hover {
            border-color: var(--line-strong);
            color: var(--text);
            background: rgba(255, 255, 255, 0.04);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 52px;
            padding: 0 26px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 15px;
            line-height: 1;
            white-space: nowrap;
            border: 1px solid transparent;
            transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
        }

        .btn:active {
            transform: translateY(1px);
        }

        .btn-primary {
            background: var(--primary);
            color: var(--on-primary);
        }

        .btn-primary:hover {
            background: var(--primary-bright);
            box-shadow: 0 12px 30px rgba(73, 231, 198, 0.2);
            transform: translateY(-2px);
        }

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

        .btn-ghost {
            background: transparent;
            border-color: rgba(137, 220, 202, 0.38);
            color: var(--text);
        }

        .btn-ghost:hover {
            background: rgba(73, 231, 198, 0.1);
            border-color: rgba(73, 231, 198, 0.6);
            color: var(--primary-bright);
        }

        .btn-sm {
            height: 40px;
            padding: 0 18px;
            font-size: 14px;
        }

        .search-panel {
            display: none;
            background: rgba(7, 17, 15, 0.97);
            border-bottom: 1px solid var(--line);
            padding: 16px 0;
        }

        .site-header.search-open .search-panel {
            display: block;
        }

        .search-panel form {
            display: flex;
            gap: 10px;
        }

        .search-panel input {
            flex: 1;
            height: 48px;
            border-radius: 999px;
            border: 1px solid var(--line-strong);
            background: rgba(255, 255, 255, 0.04);
            color: var(--text);
            padding: 0 20px;
            outline: none;
        }

        .search-panel input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(73, 231, 198, 0.16);
        }

        .article-hero {
            position: relative;
            padding: 146px 0 72px;
            border-bottom: 1px solid var(--line);
            background:
                linear-gradient(90deg, rgba(4, 10, 9, 0.97) 0%, rgba(5, 15, 13, 0.8) 58%, rgba(5, 11, 9, 0.45) 100%),
                url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb-span {
            opacity: 0.5;
        }

        .article-kicker {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .chip {
            display: inline-flex;
            align-items: center;
            height: 32px;
            padding: 0 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 700;
            background: rgba(255, 255, 255, 0.05);
            color: var(--muted);
            border: 1px solid var(--line);
        }

        .chip-primary {
            background: rgba(73, 231, 198, 0.12);
            border-color: rgba(73, 231, 198, 0.3);
            color: var(--primary);
        }

        .article-hero h1 {
            max-width: 920px;
            font-size: clamp(30px, 4.8vw, 60px);
            line-height: 1.16;
            letter-spacing: -0.01em;
            font-weight: 800;
            color: #f4fffb;
            margin-bottom: 24px;
            word-break: break-word;
        }

        .article-hero-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            color: var(--muted);
            font-size: 14px;
            flex-wrap: wrap;
        }

        .article-hero-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .meta-item svg {
            opacity: 0.7;
        }

        .main-shell {
            position: relative;
            z-index: 1;
        }

        .article-section {
            padding: 72px 0 36px;
        }

        .article-column {
            max-width: 880px;
            margin: 0 auto;
        }

        .article-cover {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--line);
            box-shadow: var(--shadow);
            margin-bottom: 60px;
            background: var(--surface);
            aspect-ratio: 16 / 9;
        }

        .article-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .article-body {
            font-size: 17px;
            line-height: 1.9;
            color: rgba(237, 248, 243, 0.92);
            word-break: break-word;
        }

        .article-body > * + * {
            margin-top: 1.6em;
        }

        .article-body p {
            margin-bottom: 1.6em;
        }

        .article-body h2 {
            font-size: 28px;
            line-height: 1.4;
            font-weight: 800;
            margin: 2em 0 1em;
            padding-left: 16px;
            border-left: 4px solid var(--primary);
            color: #f3fcf8;
        }

        .article-body h3 {
            font-size: 22px;
            line-height: 1.5;
            font-weight: 750;
            margin: 2em 0 0.8em;
            color: #f3fcf8;
        }

        .article-body h4 {
            font-size: 18px;
            font-weight: 700;
            margin: 1.8em 0 0.6em;
            color: #e8f4ee;
        }

        .article-body ul,
        .article-body ol {
            padding-left: 1.4em;
            margin-bottom: 1.5em;
            display: grid;
            gap: 8px;
        }

        .article-body li::marker {
            color: var(--primary);
        }

        .article-body blockquote {
            background: rgba(73, 231, 198, 0.06);
            border: 1px solid rgba(73, 231, 198, 0.2);
            border-radius: 16px;
            padding: 24px 28px;
            font-size: 17px;
            color: #c9e8df;
            line-height: 1.85;
            font-weight: 500;
        }

        .article-body blockquote::before {
            content: "“";
            display: block;
            font-size: 40px;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 6px;
        }

        .article-body a {
            color: var(--primary);
            border-bottom: 1px solid rgba(73, 231, 198, 0.35);
        }

        .article-body a:hover {
            color: var(--primary-bright);
            border-bottom-color: var(--primary-bright);
        }

        .article-body img {
            border-radius: 16px;
            border: 1px solid var(--line);
            margin-inline: auto;
        }

        .article-body figure {
            background: var(--surface);
            border-radius: 18px;
            padding: 12px;
            border: 1px solid var(--line);
            margin: 2em 0;
        }

        .article-body figcaption {
            font-size: 13px;
            color: var(--muted);
            text-align: center;
            padding-top: 12px;
            line-height: 1.6;
        }

        .article-body strong {
            color: #f1fef8;
        }

        .article-body hr {
            border: 0;
            height: 1px;
            background: var(--line);
            margin: 2.4em auto;
            max-width: 90px;
        }

        .article-tags-bar {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 28px;
            margin-top: 50px;
            border-top: 1px solid var(--line);
        }

        .article-tag {
            height: 32px;
            padding: 0 14px;
            border-radius: 999px;
            border: 1px solid var(--line);
            color: var(--muted);
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.03);
            transition: background 0.25s ease, color 0.25s ease;
        }

        .article-tag:hover {
            background: rgba(73, 231, 198, 0.1);
            color: var(--primary);
            border-color: rgba(73, 231, 198, 0.4);
        }

        .article-navigation {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin: 54px 0 0;
        }

        .post-nav-card {
            display: flex;
            flex-direction: column;
            gap: 6px;
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 16px;
            padding: 20px 22px;
            transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
        }

        .post-nav-card:hover {
            background: var(--surface-2);
            border-color: rgba(73, 231, 198, 0.3);
            transform: translateY(-4px);
        }

        .post-nav-card.next {
            text-align: right;
        }

        .post-nav-card span {
            color: var(--muted);
            font-size: 13px;
            line-height: 1.4;
        }

        .post-nav-card strong {
            color: var(--text);
            font-size: 15px;
            line-height: 1.7;
        }

        .related-section {
            padding: 84px 0;
            background:
                linear-gradient(180deg, transparent, rgba(10, 23, 19, 0.72) 22%, rgba(10, 23, 19, 0.72) 78%, transparent);
            border-top: 1px solid var(--line);
        }

        .section-head {
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 32px;
        }

        .section-title {
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.3;
        }

        .section-title small {
            display: block;
            font-size: 13px;
            color: var(--muted);
            margin-top: 10px;
            font-weight: 400;
        }

        .text-link {
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .text-link:hover {
            color: var(--primary-bright);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 22px;
        }

        .related-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
        }

        .related-card:hover {
            transform: translateY(-4px);
            border-color: rgba(73, 231, 198, 0.34);
            box-shadow: var(--shadow);
        }

        .related-cover {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--surface-2);
            border-bottom: 1px solid var(--line);
        }

        .related-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }

        .related-card:hover .related-cover img {
            transform: scale(1.05);
        }

        .related-body {
            padding: 22px 24px 26px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .related-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--accent);
            font-weight: 700;
            letter-spacing: 0.02em;
        }

        .related-label .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
        }

        .related-card h3 {
            font-size: 18px;
            line-height: 1.55;
            color: var(--text);
            font-weight: 700;
            transition: color 0.25s ease;
        }

        .related-card:hover h3 {
            color: var(--primary);
        }

        .related-card p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.75;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-cta {
            background:
                linear-gradient(100deg, rgba(4, 11, 9, 0.96) 0%, rgba(6, 16, 13, 0.86) 58%, rgba(7, 26, 21, 0.56) 100%),
                url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
            padding: 88px 0;
        }

        .cta-grid {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
        }

        .cta-copy {
            max-width: 620px;
        }

        .cta-copy h2 {
            font-size: clamp(26px, 3.4vw, 42px);
            font-weight: 800;
            line-height: 1.35;
            margin-bottom: 18px;
        }

        .cta-copy p {
            color: var(--muted);
            font-size: 16px;
            line-height: 1.85;
            margin-bottom: 0;
        }

        .notfound-panel {
            padding: 120px 0 140px;
        }

        .notfound-inner {
            max-width: 620px;
            margin: 0 auto;
            text-align: center;
            background: rgba(11, 23, 19, 0.74);
            border: 1px solid var(--line);
            border-radius: 24px;
            padding: 56px 48px;
        }

        .notfound-inner .icon-ring {
            width: 76px;
            height: 76px;
            margin: 0 auto 24px;
            border-radius: 50%;
            background: rgba(73, 231, 198, 0.08);
            border: 1px solid rgba(73, 231, 198, 0.24);
            display: grid;
            place-items: center;
            color: var(--primary);
        }

        .notfound-inner h1 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .notfound-inner p {
            color: var(--muted);
            font-size: 15px;
            margin-bottom: 30px;
        }

        .notfound-inner .btn {
            min-width: 140px;
        }

        .site-footer {
            background: var(--site-bg-2);
            border-top: 1px solid var(--line);
            padding: 72px 0 28px;
            position: relative;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 0.7fr 1.2fr;
            gap: 48px;
            padding-bottom: 44px;
        }

        .site-footer .brand {
            margin-bottom: 18px;
        }

        .footer-brand p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.9;
            max-width: 440px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
        }

        .footer-links {
            display: grid;
            gap: 12px;
        }

        .footer-links a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1;
            transition: color 0.25s ease;
        }

        .footer-links a::before {
            content: "";
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--primary);
            opacity: 0.7;
        }

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

        .footer-news p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.85;
            margin-bottom: 20px;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--line);
            padding: 6px;
            border-radius: 999px;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 0;
            height: 40px;
            border: 0;
            background: transparent;
            color: var(--text);
            padding: 0 14px;
            font-size: 14px;
            outline: none;
        }

        .subscribe-form input::placeholder {
            color: var(--muted-2);
        }

        .subscribe-form input:focus {
            box-shadow: 0 0 0 2px rgba(73, 231, 198, 0.16);
            border-radius: 999px;
        }

        .footer-bottom {
            border-top: 1px solid var(--line);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            color: var(--muted-2);
            font-size: 12px;
        }

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

        @media (max-width: 1024px) {
            .header-inner {
                flex-wrap: wrap;
                gap: 10px;
                padding-block: 12px;
                min-height: 0;
            }

            .nav-center {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                scrollbar-width: none;
            }

            .nav-center::-webkit-scrollbar {
                display: none;
            }

            .nav-track {
                width: max-content;
                min-width: 100%;
            }

            .header-actions {
                gap: 8px;
            }

            .hero-main {
                min-height: 560px;
                padding-top: 140px;
            }

            .brand-text .brand-en {
                font-size: 19px;
            }

            .cta-grid {
                flex-direction: column;
                align-items: flex-start;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }

            .footer-news {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .container {
                width: min(100% - 32px, 1280px);
            }

            .header-inner {
                display: flex;
                align-items: center;
                justify-content: space-between;
            }

            .brand-cn {
                font-size: 11px;
            }

            .header-actions .nav-search {
                display: none;
            }

            .article-hero {
                padding-top: 140px;
            }

            .article-hero h1 {
                font-size: 30px;
                line-height: 1.3;
            }

            .article-body {
                font-size: 16px;
            }

            .article-navigation {
                grid-template-columns: 1fr;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-news {
                grid-column: auto;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                gap: 8px;
            }

            .brand-icon {
                width: 36px;
                height: 36px;
                border-radius: 12px;
                flex-basis: 36px;
            }

            .header-actions .btn-sm {
                padding: 0 14px;
                font-size: 13px;
            }

            .nav-link {
                padding: 7px 14px;
                font-size: 13px;
            }

            .header-inner {
                padding-top: 10px;
                padding-bottom: 10px;
            }

            .brand-text .brand-en {
                font-size: 17px;
            }

            .brand-cn {
                font-size: 11px;
            }

            .article-cover {
                margin-bottom: 38px;
            }

            .article-body blockquote {
                padding: 18px;
                font-size: 15px;
            }

            .article-tag,
            .chip {
                font-size: 12px;
                height: 30px;
            }

            .notfound-inner {
                padding: 40px 22px;
                border-radius: 18px;
            }

            .subscribe-form {
                flex-wrap: nowrap;
                padding: 6px;
            }

            .subscribe-form .btn {
                padding: 0 14px;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .footer-bottom {
                gap: 4px;
                line-height: 1.7;
            }
        }

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

            html {
                scroll-behavior: auto;
            }
        }

/* roulang page: category3 */
:root{
  --bg:#07120e;
  --bg-soft:#0a1813;
  --bg-card:#0d1f19;
  --bg-deep:#040c09;
  --line:rgba(226,255,240,.12);
  --line-soft:rgba(226,255,240,.07);
  --text:#edf7f1;
  --muted:#8ba79b;
  --brand:#6ef0c8;
  --brand-dark:#0f2d24;
  --accent:#ff8a63;
  --white:rgba(255,255,255,.82);
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --r-pill:999px;
  --shadow-card:0 18px 50px rgba(0,0,0,.24);
  --shadow-soft:0 8px 30px rgba(0,0,0,.14);
  --trans:.25s ease;
  --container:1280px;
  --grid-gap:24px;
}
*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}
::selection{background:rgba(110,240,200,.24);color:#fff}
.skip-link{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:min(var(--container),100% - 48px);margin-inline:auto}
.section{padding-block:96px}
h1,h2,h3,h4{line-height:1.25;font-weight:700;letter-spacing:-.01em}
.text-muted{color:var(--muted)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:52px;padding:0 28px;border-radius:var(--r-pill);
  font-weight:600;font-size:15px;transition:all .25s ease;border:1px solid transparent;
  white-space:nowrap;line-height:1;
}
.btn-primary{background:var(--brand);color:var(--brand-dark)}
.btn-primary:hover{background:#8ff5d6;transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,20,14,.2)}
.btn-ghost{border-color:rgba(226,255,240,.32);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:var(--brand);background:rgba(110,240,200,.08);color:#d9fff2}
.btn-ghost:active{transform:translateY(0)}
.btn-lg{min-height:58px;padding:0 38px;font-size:16px}
.btn-sm{min-height:40px;padding:0 20px;font-size:14px}

.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(7,18,14,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s,background .3s,box-shadow .3s;
}
.site-header.scrolled{
  background:rgba(5,14,11,.92);
  border-bottom-color:var(--line-soft);
  box-shadow:0 10px 40px rgba(0,0,0,.24);
}
.header-inner{
  min-height:72px;
  display:grid;
  grid-template-columns:minmax(240px,max-content) 1fr auto;
  align-items:center;
  gap:32px;
}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-icon{width:40px;height:40px;display:grid;place-items:center;color:var(--brand);flex-shrink:0}
.brand-icon svg{width:34px;height:34px}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-en{font-size:15px;font-weight:800;letter-spacing:.26em;color:#f1fff8}
.brand-cn{font-size:12px;color:var(--muted);letter-spacing:.08em;margin-top:3px;white-space:nowrap}

.nav-center{display:flex;justify-content:center;min-width:0}
.nav-track{
  display:flex;gap:4px;justify-content:center;
  background:rgba(255,255,255,.035);
  border:1px solid var(--line-soft);
  border-radius:var(--r-pill);
  padding:5px;
  overflow-x:auto;
  scrollbar-width:none;
  max-width:100%;
}
.nav-track::-webkit-scrollbar{display:none}
.nav-link{
  display:inline-flex;align-items:center;justify-content:center;
  white-space:nowrap;
  height:36px;padding:0 22px;border-radius:var(--r-pill);
  color:var(--muted);font-size:14px;font-weight:500;
  transition:color .2s,background .2s;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav-link.active{background:var(--brand);color:var(--brand-dark);font-weight:700}
.header-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  color:var(--muted);transition:all .25s ease;border:1px solid transparent;
}
.icon-btn:hover{color:var(--brand);background:rgba(110,240,200,.09)}
.header-search{
  position:absolute;left:0;right:0;top:72px;
  background:rgba(5,14,11,.96);border-bottom:1px solid var(--line);
  padding:0;max-height:0;overflow:hidden;transition:max-height .35s ease;
}
.header-search.open{max-height:140px;padding:18px 0}
.search-form{display:flex;gap:10px}
.search-input{
  flex:1;height:48px;background:rgba(255,255,255,.05);border:1px solid var(--line);
  border-radius:var(--r-pill);padding:0 22px;color:#fff;transition:border-color .2s,box-shadow .2s;
}
.search-input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(110,240,200,.14);outline:none}

.page-hero{
  position:relative;
  padding:110px 0 96px;
  background:linear-gradient(180deg,rgba(5,15,11,.7) 0%,rgba(7,18,14,.92) 100%),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:1px solid var(--line-soft);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(1200px 500px at 12% 0%,rgba(110,240,200,.09),transparent 60%);
  pointer-events:none;
}
.page-hero .hero-inner{position:relative;z-index:2;max-width:860px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border:1px solid rgba(110,240,200,.35);
  color:var(--brand);border-radius:var(--r-pill);font-size:13px;background:rgba(110,240,200,.08);
  margin-bottom:22px;
}
.hero-badge-dot{width:5px;height:5px;border-radius:50%;background:var(--brand)}
.page-hero h1{
  font-size:clamp(40px,7vw,74px);line-height:1.05;letter-spacing:-.04em;
  color:#f4fff9;margin-bottom:20px;
}
.page-hero p.lead{font-size:clamp(17px,2vw,21px);color:#b7cec3;max-width:680px;line-height:1.85;margin-bottom:32px}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.hero-quick-info{margin-top:52px;display:flex;align-items:center;gap:12px;color:var(--muted);font-size:14px}
.hero-quick-info .dot-row{width:46px;height:1px;background:rgba(110,240,200,.4)}
.crumb-line{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:14px;margin-bottom:32px}
.crumb-line a:hover{color:var(--brand)}
.crumb-line .sep{color:rgba(255,255,255,.2)}

.service-scope{padding-block:110px;background:var(--bg)}
.section-head{display:flex;flex-direction:column;gap:14px;margin-bottom:50px}
.section-chips{display:flex;align-items:center;gap:12px}
.section-num{font-size:13px;color:var(--brand);font-weight:700;letter-spacing:.1em}
.section-head h2{font-size:clamp(28px,4vw,46px);color:#eaf7f0}
.section-desc{color:var(--muted);max-width:760px;line-height:1.85;font-size:16px}
.scope-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:var(--grid-gap)}
.scope-card{
  background:var(--bg-card);border:1px solid var(--line-soft);border-radius:var(--r-lg);
  padding:36px;transition:transform .25s ease,border-color .25s,background .25s;position:relative;overflow:hidden;
}
.scope-card:hover{transform:translateY(-4px);border-color:rgba(110,240,200,.32);background:#0f231c}
.scope-card.main{display:flex;flex-direction:column}
.scope-card .card-icon{
  width:48px;height:48px;border-radius:16px;background:rgba(110,240,200,.12);
  display:grid;place-items:center;color:var(--brand);margin-bottom:24px;border:1px solid rgba(110,240,200,.16);
}
.scope-card .card-icon i{font-style:normal;font-weight:800}
.scope-card h3{font-size:22px;color:#f1faf5;margin-bottom:14px}
.scope-card p{color:var(--muted);line-height:1.85;margin-bottom:20px}
.card-list{display:flex;flex-direction:column}
.card-list li{
  display:flex;gap:12px;padding:13px 0;border-bottom:1px solid var(--line-soft);
  color:#d6e6de;font-size:15px;align-items:baseline;
}
.card-list li:last-child{border-bottom:0}
.card-list .li-num{font-size:12px;color:var(--accent);font-weight:800;font-variant-numeric:tabular-nums}
.scope-side{display:grid;gap:var(--grid-gap)}
.scope-panel{
  background:linear-gradient(150deg,rgba(110,240,200,.07),rgba(255,255,255,.02) 50%);
  border:1px solid rgba(110,240,200,.16);border-radius:var(--r-lg);padding:28px;
}
.scope-panel .panel-label{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.06em;margin-bottom:14px;display:block}
.scope-panel ul{display:grid;gap:10px}
.scope-panel li{display:flex;gap:10px;color:#d0dfd7;font-size:15px;align-items:center}
.scope-panel li::before{content:"";width:14px;height:14px;border:6px solid rgba(110,240,200,.5);border-radius:50%;transform:scale(.6)}

.process-block{padding-block:100px;background:var(--bg-deep);border-block:1px solid var(--line-soft)}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.process-item{position:relative;padding-top:14px}
.process-index{color:var(--accent);font-size:15px;font-weight:800;letter-spacing:.1em}
.process-title{margin:8px 0 10px;color:#f2fbf6;font-size:18px;font-weight:700}
.process-item p{color:var(--muted);font-size:15px;line-height:1.8}
.process-arrow{display:none}
@media(min-width:768px){
  .process-arrow{
    display:block;position:absolute;right:-18px;top:28px;color:rgba(110,240,200,.3);font-weight:300;
  }
}

.faq-support-section{padding-block:110px 116px;background:var(--bg)}
.faq-layout{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:48px;align-items:start}
.faq-main{scroll-margin-top:120px}
.faq-head{margin-bottom:32px}
.faq-head .section-num{display:block;margin-bottom:14px}
.faq-head h2{font-size:clamp(28px,4vw,44px);margin-bottom:14px}
.faq-head-text{color:var(--muted);max-width:680px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;text-align:left;
  padding:20px 12px 20px 0;cursor:pointer;background:transparent;border:none;
  min-height:62px;transition:background .2s;
}
.faq-q:hover .faq-question{color:var(--brand)}
.faq-question{flex:1;font-size:17px;font-weight:600;color:#e7f1eb;transition:color .2s;line-height:1.5}
.faq-icon{
  flex:0 0 34px;width:34px;height:34px;border-radius:50%;
  border:1px solid rgba(110,240,200,.28);color:var(--brand);
  display:grid;place-items:center;transition:transform .3s ease,border-color .25s,background .25s;
  position:relative;font-size:18px;font-style:normal;font-weight:400;
}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;width:13px;height:1.6px;background:var(--brand);border-radius:2px}
.faq-icon::after{transform:rotate(90deg)}
.faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(110,240,200,.15)}
.faq-answer{
  display:grid;grid-template-rows:0fr;
  transition:grid-template-rows .35s ease;
}
.faq-item.open .faq-answer{grid-template-rows:1fr}
.faq-answer-inner{overflow:hidden}
.faq-answer p{color:var(--muted);font-size:15px;line-height:1.85;padding:0 58px 26px 0}
.faq-empty-note{display:flex;align-items:center;gap:12px;padding:22px 0 0;color:var(--muted);font-size:14px}
.faq-empty-note span{width:6px;height:6px;border-radius:50%;background:var(--accent)}

.faq-sidebar{
  position:sticky;top:92px;
  display:grid;gap:18px;
  background:rgba(255,255,255,.025);
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;
}
.aside-card-title{font-size:18px;font-weight:700;color:#eefbf4;margin-bottom:6px}
.aside-card-sub{font-size:13px;color:var(--muted);margin-bottom:16px;line-height:1.6}
.fast-links{display:flex;flex-wrap:wrap;gap:8px}
.fast-chip{
  display:inline-flex;align-items:center;justify-content:center;
  height:36px;padding:0 15px;border-radius:var(--r-pill);
  border:1px solid var(--line);color:#c9dad1;font-size:13.5px;
  transition:all .2s ease;
}
.fast-chip:hover{border-color:var(--brand);color:var(--brand);background:rgba(110,240,200,.07)}
.divider{height:1px;background:var(--line-soft);margin:18px 0}
.contact-list{display:grid;gap:12px}
.contact-row{display:flex;gap:12px;color:#d0e3d8;font-size:14px;align-items:center}
.contact-row .contact-icon{
  offset:0; flex:0 0 20px;width:20px;
}
.contact-row .contact-icon svg{display:block;margin:0 auto}
.form-title{font-size:17px;font-weight:700;margin-bottom:14px}
.form-grid{display:flex;flex-direction:column;gap:14px}
.form-label{display:block;font-size:13px;color:#adc6b8;margin-bottom:6px;font-weight:500}
.form-control{
  width:100%;height:46px;padding:0 14px;
  background:rgba(5,14,11,.5);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  color:#f0faf4;
  transition:border-color .2s,box-shadow .2s;
}
textarea.form-control{height:auto;min-height:108px;padding:12px 14px;resize:vertical;line-height:1.6}
.form-control:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(110,240,200,.13);outline:none}
.form-control::placeholder{color:#5e7d6f}
.form-select{
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%238ba79b' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
}
.form-note{font-size:12px;color:#6d8279;line-height:1.6}
.btn-consume{width:100%;justify-content:center;min-height:48px;margin-top:4px}

.cta-strip{
  position:relative;overflow:hidden;
  padding:96px 0 88px;
  background:linear-gradient(90deg,rgba(4,12,9,.92) 0%,rgba(4,16,12,.65) 100%),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-top:1px solid var(--line-soft);
}
.cta-strip::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(600px 200px at 80% 90%,rgba(110,240,200,.07),transparent 60%);
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-copy{max-width:660px}
.cta-copy h2{font-size:clamp(26px,4vw,42px);color:#f4fff9;margin-bottom:16px;letter-spacing:-.02em}
.cta-copy p{color:#b9d0c6;line-height:1.85;margin-bottom:8px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

.site-footer{background:var(--bg-deep);border-top:1px solid var(--line-soft);padding:64px 0 16px}
.footer-grid{display:grid;grid-template-columns:1.6fr .9fr 1.3fr;gap:48px;padding-bottom:38px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand>p{color:var(--muted);font-size:14px;max-width:420px;line-height:1.8}
.footer-title{font-size:15px;font-weight:700;color:#dff0e7;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:var(--muted);font-size:14px;transition:all .2s;width:fit-content}
.footer-links a:hover{color:var(--brand);padding-left:4px}
.footer-news>p{color:var(--muted);font-size:14px;line-height:1.8;margin-bottom:16px}
.subscribe-form{display:flex;gap:8px}
.subscribe-form input{
  flex:1;height:44px;background:rgba(255,255,255,.05);border:1px solid var(--line);
  border-radius:var(--r-pill);padding:0 16px;color:#fff;min-width:0;
  transition:border-color .2s,box-shadow .2s;
}
.subscribe-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(110,240,200,.12);outline:none}
.subscribe-form .btn{flex-shrink:0}
.footer-bottom{
  border-top:1px solid var(--line-soft);padding-top:22px;
  display:flex;flex-wrap:wrap;gap:10px 18px;
  color:#587367;font-size:12.5px;justify-content:space-between;
}

@media(max-width:1280px){
  :root{--container:calc(100% - 48px)}
  .scope-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .faq-layout{grid-template-columns:1fr}
  .faq-sidebar{position:relative;top:auto}
}
@media(max-width:1024px){
  .header-inner{grid-template-columns:1fr auto}
  .nav-center{grid-column:1/-1;grid-row:2;justify-content:flex-start;padding:0 0 12px}
  .nav-track{justify-content:flex-start}
  .page-hero{padding:72px 0 64px}
  .process-grid{grid-template-columns:repeat(2,1fr);row-gap:34px;column-gap:24px}
  .process-arrow{display:none}
  .section{padding-block:76px}
}
@media(max-width:860px){
  .footer-grid{grid-template-columns:1fr}
  .cta-inner{gap:24px}
}
@media(max-width:768px){
  .scope-card{padding:24px}
  .hero-search{top:auto;position:relative?;top:0}
  .brand-en{letter-spacing:.16em}
}
@media(max-width:640px){
  :root{--container:calc(100% - 32px)}
  .header-inner{grid-template-columns:1fr auto;gap:10px}
  .nav-center{grid-column:1/-1}
  .nav-track{padding:6px}
  .nav-link{padding:0 14px;height:32px;font-size:13px}
  .header-actions .btn-sm{padding:0 14px;font-size:13px}
  .header-actions .icon-btn{width:38px;height:38px}
  .page-hero{padding:60px 0 58px}
  .page-hero h1{font-size:42px}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .hero-actions .btn-cta{width:100%}
  .section{padding-block:66px}
  .section-head h2{font-size:30px}
  .scope-grid{gap:16px}
  .scope-side{gap:14px}
  .scope-card{padding:20px}
  .scope-card h3{font-size:19px}
  .process-grid{grid-template-columns:1fr}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-sidebar{padding:18px}
  .faq-answer p{padding-right:8px}
  .faq-q .faq-question{font-size:15px;line-height:1.6}
  .faq-icon{flex-basis:30px;width:30px;height:30px}
  .submit-actions .btn{width:100%}
  .cta-strip{padding:70px 0}
  .cta-actions .btn{width:100%}
  .subscribe-form{flex-direction:column}
  .subscribe-form .btn{width:100%}
  .footer-grid{gap:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .footer-news form{width:100%}
}

/* roulang page: category2 */
:root {
  --bg-deep: #050d0b;
  --bg-body: #081310;
  --bg-card: #0b1b17;
  --bg-card-hover: #10241e;
  --bg-soft: #082019;
  --bg-deeper: #030806;
  --ink-strong: #f3f8f5;
  --ink-soft: #b6c9bf;
  --ink-mute: #7e958b;
  --line-soft: rgba(230, 250, 241, 0.09);
  --line-strong: rgba(230, 250, 241, 0.17);
  --brand: #45f0cd;
  --brand-strong: #25cfa9;
  --brand-dark: #05332a;
  --brand-ink: #03150f;
  --coral: #ff835b;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.36);
  --shadow-soft: 0 16px 44px rgba(0, 0, 0, 0.24);
  --transition: all 0.25s ease;
  --container: 1280px;
  --header-height: 72px;
}
*, *::before, *::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
  background: var(--bg-deep);
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
main {
  flex: 1;
}
img {
  display: block;
  max-width: 100%;
}
a {
  color: var(--ink-strong);
  text-decoration: none;
  transition: var(--transition);
}
button, input {
  font-family: inherit;
}
a, button {
  -webkit-tap-highlight-color: transparent;
}
.skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}
.container {
  width: min(100% - 48px, var(--container));
  margin-inline: auto;
}
.section-space {
  padding: 92px 0;
}
.section-head {
  margin-bottom: 40px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 12px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--brand);
  opacity: 0.8;
}
.section-title {
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.25;
  color: var(--ink-strong);
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.section-lead {
  margin-top: 14px;
  max-width: 720px;
  font-size: 16px;
  color: var(--ink-mute);
}
.split-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 28px;
}
.split-head .section-lead {
  margin-top: 0;
  min-width: 44%;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 100;
  background: rgba(6, 14, 12, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: var(--transition);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(6, 13, 11, 0.9);
  border-bottom-color: var(--line-soft);
}
.header-inner {
  height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 22px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand-icon {
  display: inline-flex;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(69, 240, 205, 0.09);
  border: 1px solid rgba(69, 240, 205, 0.20);
  color: var(--brand);
  align-items: center;
  justify-content: center;
}
.brand-icon svg {
  width: 22px;
  height: 22px;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.brand-en {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--ink-strong);
}
.brand-cn {
  margin-top: 5px;
  font-size: 11px;
  letter-spacing: .1em;
  font-weight: 500;
  color: var(--ink-mute);
}
.nav-center {
  flex: 1;
  display: flex;
  justify-content: center;
  min-width: 0;
}
.nav-track {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 5px;
  border-radius: var(--radius-pill);
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-track::-webkit-scrollbar {
  display: none;
}
.nav-link {
  white-space: nowrap;
  height: 38px;
  padding: 0 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: 14px;
  color: var(--ink-mute);
  font-weight: 500;
  background: transparent;
}
.nav-link:hover {
  color: var(--ink-strong);
  background: rgba(255, 255, 255, 0.05);
}
.nav-link.active {
  background: var(--brand);
  color: var(--brand-ink);
  font-weight: 600;
  border-color: transparent;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.icon-btn {
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.02);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-soft);
  cursor: pointer;
  transition: var(--transition);
}
.icon-btn:hover {
  color: var(--brand);
  border-color: rgba(69, 240, 205, 0.4);
  background: rgba(69, 240, 205, 0.08);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  height: 52px;
  padding: 0 28px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1;
  white-space: nowrap;
}
.btn.btn-sm {
  height: 40px;
  padding: 0 18px;
  font-size: 13px;
}
.btn-primary {
  background: var(--brand);
  color: var(--brand-ink);
}
.btn-primary:hover {
  background: var(--brand-strong);
  transform: translateY(-2px);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-ghost {
  border: 1px solid var(--line-strong);
  color: var(--ink-strong);
  background: rgba(255, 255, 255, 0.02);
}
.btn-ghost:hover {
  color: var(--brand);
  border-color: rgba(69, 240, 205, 0.6);
  background: rgba(69, 240, 205, 0.07);
  transform: translateY(-2px);
}
.btn-ghost:focus-visible,
.btn-primary:focus-visible,
.icon-btn:focus-visible,
.chip:focus-visible,
.faq-question:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(69, 240, 205, 0.2);
}
.btn-light {
  background: rgba(243, 248, 245, 0.92);
  color: var(--bg-deep);
}
.btn-light:hover {
  background: #fff;
  transform: translateY(-2px);
}

.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(4, 9, 8, 0.9);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 120px 24px 24px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}
.search-overlay.show {
  opacity: 1;
  visibility: visible;
}
.search-panel {
  width: min(600px, 100%);
  background: var(--bg-card);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow);
}
.search-panel form {
  display: flex;
  gap: 10px;
}
.search-panel input {
  flex: 1;
  height: 50px;
  background: rgba(0, 0, 0, 0.24);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-pill);
  color: var(--ink-strong);
  padding: 0 20px;
  font-size: 15px;
  transition: var(--transition);
}
.search-panel input:focus {
  border-color: var(--brand);
  outline: none;
  box-shadow: 0 0 0 3px rgba(69, 240, 205, 0.12);
}
.search-panel input::placeholder {
  color: var(--ink-mute);
}
.close-search {
  border: 1px solid var(--line-soft);
  background: transparent;
  width: 48px;
  height: 50px;
  border-radius: 50%;
  color: var(--ink-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}
.close-search:hover {
  color: var(--coral);
  border-color: rgba(255, 131, 91, 0.42);
}

.page-hero {
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 70px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
  background:
    linear-gradient(180deg, rgba(5, 13, 11, 0.68) 0%, rgba(5, 13, 11, 0.82) 70%, var(--bg-deep) 100%),
    url("/assets/images/backpic/back-2.png") center 30% / cover no-repeat;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 76% 16%, rgba(69, 240, 205, 0.1), transparent 40%),
    linear-gradient(120deg, transparent 0 62%, rgba(255, 131, 91, 0.04) 76%, transparent 92%);
}
.hero-wrap {
  position: relative;
  z-index: 2;
}
.crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 34px;
  color: var(--ink-mute);
  font-size: 13px;
}
.crumb a {
  color: var(--ink-mute);
}
.crumb a:hover {
  color: var(--brand);
}
.crumb span {
  color: var(--ink-mute);
  opacity: 0.6;
}
.crumb .crumb-current {
  color: var(--ink-strong);
}
.hero-eyebrow {
  display: inline-flex;
  background: rgba(69, 240, 205, 0.1);
  border: 1px solid rgba(69, 240, 205, 0.24);
  color: var(--brand);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  margin-bottom: 18px;
  align-items: center;
  gap: 8px;
}
.hero-eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--coral);
  border-radius: 50%;
}
.page-hero h1 {
  font-size: clamp(42px, 7vw, 80px);
  line-height: 1;
  font-weight: 600;
  letter-spacing: -0.04em;
  color: var(--ink-strong);
  margin: 0 0 16px;
}
.hero-intro {
  font-size: 18px;
  line-height: 1.8;
  max-width: 640px;
  color: var(--ink-soft);
  margin: 0 0 28px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 34px;
}
.hero-tags span {
  color: var(--ink-mute);
  font-size: 13px;
  border: 1px solid var(--line-soft);
  background: rgba(8, 19, 16, 0.46);
  padding: 7px 13px;
  border-radius: 999px;
}

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 38px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.025);
  color: var(--ink-mute);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.chip:hover {
  color: var(--ink-strong);
  border-color: var(--line-strong);
}
.chip.is-active {
  background: var(--brand);
  color: var(--brand-ink);
  border-color: transparent;
  font-weight: 600;
}
.chip-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 8px 6px 16px 6px;
  border-bottom: 1px solid var(--line-soft);
  margin: 36px 0 30px;
}
.filter-bar .sort-text {
  margin-left: auto;
  font-size: 13px;
  color: var(--ink-mute);
}

.film-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-flow: dense;
  gap: 16px;
}
.film-card[hidden] {
  display: none !important;
}
.film-card {
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 300px;
  opacity: 0;
  transform: translateY(24px);
  animation: rise 0.5s ease forwards;
  transition: var(--transition);
}
.film-card:hover {
  transform: translateY(-4px);
  border-color: rgba(69, 240, 205, 0.34);
  box-shadow: var(--shadow-soft);
}
@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}
.film-card--span3 {
  grid-column: span 3;
  grid-row: span 2;
}
.film-card--span2 {
  grid-column: span 2;
}
.film-card--span3i {
  grid-column: span 3;
}
.film-card--span1 {
  grid-column: span 1;
}
.film-card__thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  flex-shrink: 0;
}
.film-card__thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, var(--bg-card) 8%, transparent 54%);
}
.film-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}
.film-card:hover .film-card__thumb img {
  transform: scale(1.05);
}
.film-card__badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(255, 131, 91, 0.92);
  color: var(--bg-deep);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  padding: 7px 10px;
  border-radius: var(--radius-pill);
  letter-spacing: .02em;
}
.film-card__badge.flag-green {
  background: rgba(69, 240, 205, 0.92);
  color: var(--brand-ink);
}
.film-card__info {
  padding: 18px 18px 19px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.film-card__category {
  font-size: 12px;
  color: var(--brand);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.film-card__title {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 8px;
  color: var(--ink-strong);
  line-height: 1.3;
  transition: var(--transition);
}
.film-card:hover .film-card__title {
  color: var(--brand);
}
.film-card__desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-mute);
  margin: 0 0 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.film-card__meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--ink-mute);
}
.film-card__meta .dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: rgba(126, 149, 139, 0.6);
}
.film-card__link {
  margin-left: auto;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.film-card--tall {
  grid-column: span 3;
  grid-row: span 2;
  min-height: 420px;
}
.film-card--tall .film-card__thumb {
  aspect-ratio: auto;
  flex: 1;
  min-height: 300px;
}
.film-card--upright {
  grid-column: span 2;
}

.security-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 46px;
}
.security-card {
  background: linear-gradient(135deg, rgba(11, 27, 23, 0.9), rgba(7, 18, 15, 0.92));
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 26px 28px;
  display: flex;
  gap: 20px;
  position: relative;
  transition: var(--transition);
  align-items: flex-start;
}
.security-card:hover {
  border-color: rgba(69, 240, 205, 0.28);
  background: linear-gradient(135deg, #0d201a, #081611);
}
.security-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: rgba(69, 240, 205, 0.1);
  border: 1px solid rgba(69, 240, 205, 0.22);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
  flex-shrink: 0;
}
.security-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--ink-strong);
  font-weight: 600;
}
.security-card p {
  margin: 0;
  font-size: 14.5px;
  color: var(--ink-mute);
  line-height: 1.8;
}
.security-card:nth-child(2) .security-card__icon {
  background: rgba(255, 131, 91, 0.1);
  border-color: rgba(255, 131, 91, 0.22);
  color: var(--coral);
}

.insight-split {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  margin-top: 44px;
}
.insight-visual {
  position: relative;
  min-height: 430px;
  background:
    linear-gradient(145deg, rgba(5, 13, 11, 0.16), rgba(5, 13, 11, 0.9)),
    url("/assets/images/backpic/back-3.png") center / cover;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}
.insight-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}
.insight-visual__caption {
  position: relative;
  z-index: 1;
  padding: 28px;
}
.insight-visual__caption span {
  color: var(--brand);
  font-size: 13px;
  font-weight: 600;
}
.insight-visual__caption strong {
  display: block;
  font-size: 22px;
  color: var(--ink-strong);
  font-weight: 600;
  margin-top: 6px;
}
.insight-copy {
  padding: clamp(24px, 4.6vw, 58px);
}
.insight-copy h3 {
  color: var(--ink-strong);
  font-size: 24px;
  font-weight: 600;
  margin: 0 0 12px;
  line-height: 1.34;
}
.insight-copy > p {
  margin: 0 0 26px;
  font-size: 16px;
  color: var(--ink-mute);
}
.insight-list {
  display: flex;
  flex-direction: column;
}
.insight-item {
  border-top: 1px solid var(--line-soft);
  padding: 20px 0;
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 16px;
  transition: var(--transition);
}
.insight-item:last-child {
  border-bottom: 1px solid var(--line-soft);
}
.insight-item__num {
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: .06em;
  border: 1px solid rgba(69, 240, 205, 0.2);
  background: rgba(69, 240, 205, 0.04);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.insight-item:hover .insight-item__num {
  background: var(--brand);
  color: var(--brand-ink);
}
.insight-item__inner h4 {
  color: var(--ink-strong);
  font-size: 17px;
  margin: 0 0 6px;
  font-weight: 600;
}
.insight-item__inner p {
  color: var(--ink-mute);
  font-size: 14px;
  line-height: 1.8;
  margin: 0;
}

.steps-panel {
  counter-reset: section;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 40px;
}
.step-item {
  background: rgba(11, 27, 23, 0.58);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
  transition: var(--transition);
  overflow: hidden;
}
.step-item::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(69, 240, 205, 0.08), transparent 70%);
}
.step-item:hover {
  transform: translateY(-3px);
  border-color: rgba(69, 240, 205, 0.3);
  background: rgba(13, 32, 26, 0.82);
}
.step-item__num {
  counter-increment: section;
}
.step-item__num::before {
  content: "0" counter(section);
  font-size: 15px;
  font-weight: 700;
  color: var(--brand);
  letter-spacing: .02em;
}
.step-item h3 {
  margin: 18px 0 10px;
  color: var(--ink-strong);
  font-size: 18px;
  font-weight: 600;
}
.step-item p {
  margin: 0;
  color: var(--ink-mute);
  font-size: 14px;
  line-height: 1.75;
}

.faq-area {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 68px;
  align-items: start;
}
.faq-area__heading .section-title {
  font-size: clamp(26px, 3.8vw, 44px);
}
.faq-area__heading > p {
  margin-top: 18px;
  color: var(--ink-mute);
  font-size: 16px;
  line-height: 1.9;
}
.faq-area__heading .btn {
  margin-top: 22px;
}
.faq-list {
  border-top: 1px solid var(--line-soft);
}
.faq-item {
  border-bottom: 1px solid var(--line-soft);
}
.faq-question {
  width: 100%;
  background: transparent;
  border: none;
  padding: 0;
  min-height: 56px;
  display: flex;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  text-align: left;
  color: var(--ink-strong);
  font-size: 17px;
  font-weight: 500;
  transition: var(--transition);
}
.faq-item.open .faq-question {
  color: var(--brand);
}
.faq-question:hover {
  color: var(--brand);
}
.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--ink-soft);
  font-size: 22px;
  font-weight: 300;
  line-height: 1;
  transform: rotate(0deg);
  transition: transform 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  color: var(--brand);
  border-color: rgba(69, 240, 205, 0.55);
}
.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
}
.faq-answer > div {
  overflow: hidden;
}
.faq-item.open .faq-answer {
  grid-template-rows: 1fr;
}
.faq-answer p {
  margin: 0;
  padding: 0 42px 22px 0;
  color: var(--ink-mute);
  font-size: 15px;
  line-height: 1.9;
}

.cta-band {
  position: relative;
  background:
    linear-gradient(0deg, rgba(5, 13, 11, 0.8) 0%, rgba(5, 13, 11, 0.74) 100%),
    url("/assets/images/backpic/back-1.webp") center / cover no-repeat;
  border: 1px solid var(--line-soft);
  border-radius: 24px;
  overflow: hidden;
  padding: 44px clamp(22px, 5vw, 80px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  box-shadow: var(--shadow-soft);
}
.cta-band::after {
  content: "";
  position: absolute;
  left: 40%;
  right: -20%;
  top: -84%;
  bottom: -80%;
  background: radial-gradient(closest-side, rgba(69, 240, 205, 0.12), transparent);
  pointer-events: none;
}
.cta-copy {
  position: relative;
  z-index: 2;
}
.cta-copy h2 {
  color: var(--ink-strong);
  font-size: clamp(24px, 4vw, 40px);
  line-height: 1.2;
  margin: 0 0 12px;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.cta-copy p {
  max-width: 620px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 16px;
}
.cta-buttons {
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
  z-index: 2;
  flex-shrink: 0;
}

.site-footer {
  background: var(--bg-deeper);
  border-top: 1px solid var(--line-soft);
  margin-top: 60px;
  padding: 56px 0 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.85fr 1rem;
}
.footer-grid {
  grid-template-columns: 1.4fr 0.9fr 1.4fr;
  gap: 40px 60px;
}
.footer-brand p {
  color: var(--ink-mute);
  font-size: 14px;
  line-height: 1.85;
  margin: 18px 0 0;
  max-width: 380px;
}
.footer-links-block .footer-title,
.footer-news .footer-title {
  color: var(--ink-strong);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}
.footer-links a {
  color: var(--ink-mute);
  font-size: 14px;
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--brand);
  transform: translateX(3px);
}
.footer-news p {
  color: var(--ink-mute);
  font-size: 14px;
  line-height: 1.8;
  margin: 0 0 18px;
}
.subscribe-form {
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 420px;
}
.subscribe-form input {
  flex: 1;
  height: 44px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-pill);
  color: var(--ink-strong);
  padding: 0 18px;
  font-size: 14px;
  transition: var(--transition);
  min-width: 0;
}
.subscribe-form input:focus {
  border-color: var(--brand);
  outline: none;
  box-shadow: 0 0 0 3px rgba(69, 240, 205, 0.12);
}
.subscribe-form input::placeholder {
  color: var(--ink-mute);
}
.subscribe-form .btn {
  height: 42px;
  flex-shrink: 0;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  margin-top: 48px;
  padding: 20px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 26px;
  color: var(--ink-mute);
  font-size: 13px;
}

@media (max-width: 1024px) {
  .container {
    width: min(100% - 32px, 1280px);
  }
  .nav-track {
    padding: 4px;
  }
  .nav-link {
    height: 34px;
    padding: 0 14px;
  }
  .security-grid {
    grid-template-columns: 1fr;
  }
  .steps-panel {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .step-item {
    padding: 18px;
  }
  .faq-area {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .cta-band {
    flex-direction: column;
    align-items: flex-start;
  }
  .cta-buttons {
    flex-wrap: wrap;
  }
  .film-card--tall {
    grid-column: span 4;
  }
  .film-card--span3 {
    grid-column: span 3;
  }
}
@media (max-width: 768px) {
  .site-header {
    height: auto;
    min-height: 112px;
  }
  .header-inner {
    height: auto;
    min-height: 112px;
    flex-wrap: wrap;
    gap: 8px 14px;
    padding: 10px 0;
    align-content: flex-start;
  }
  .header-inner .brand {
    order: 1;
  }
  .header-actions {
    order: 2;
    margin-left: auto;
  }
  .nav-center {
    order: 3;
    width: 100%;
    flex: 0 0 100%;
  }
  .nav-track {
    width: 100%;
    justify-content: flex-start;
  }
  .page-hero {
    padding-top: calc(112px + 34px);
    padding-bottom: 44px;
  }
  .page-hero h1 {
    font-size: 40px;
  }
  .hero-intro {
    font-size: 16px;
  }
  .section-space {
    padding: 64px 0;
  }
  .split-head {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }
  .film-grid {
    grid-template-columns: 1fr 1fr;
  }
  .film-card--span3,
  .film-card--span2,
  .film-card--tall {
    grid-column: span 2;
    grid-row: auto;
  }
  .film-card--span1 {
    grid-column: span 1;
  }
  .insight-split {
    grid-template-columns: 1fr;
  }
  .insight-visual {
    min-height: 300px;
  }
  .insight-item {
    grid-template-columns: 38px 1fr;
    gap: 10px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .footer-news p {
    max-width: 440px;
  }
}
@media (max-width: 520px) {
  .container {
    width: calc(100% - 32px);
  }
  .section-space {
    padding: 48px 0;
  }
  .header-actions .btn {
    padding: 0 15px;
  }
  .header-actions .icon-btn {
    width: 36px;
    height: 36px;
  }
  .film-grid {
    grid-template-columns: 1fr;
  }
  .film-card--span3,
  .film-card--span2,
  .film-card--tall,
  .film-card--span1 {
    grid-column: 1;
    grid-row: auto;
  }
  .film-card {
    min-height: 0;
  }
  .film-card__thumb {
    aspect-ratio: 4 / 3;
  }
  .steps-panel {
    grid-template-columns: 1fr;
  }
  .page-hero h1 {
    font-size: 34px;
  }
  .hero-tags {
    gap: 6px;
  }
  .hero-tags span {
    font-size: 12px;
    padding: 6px 10px;
  }
  .filter-bar {
    align-items: stretch;
  }
  .chip {
    flex: 1 1 auto;
    padding: 0 12px;
    font-size: 13px;
  }
  .cta-band {
    padding: 28px 18px;
  }
  .cta-buttons {
    flex-direction: column;
    justify-content: stretch;
    width: 100%;
  }
  .cta-buttons .btn {
    width: 100%;
  }
  .subscribe-form {
    flex-direction: column;
    align-items: stretch;
  }
  .subscribe-form .btn {
    height: 42px;
    width: 100%;
  }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}