/* roulang page: index */
:root {
  --bg-0: #070C16;
  --bg-1: #0D1626;
  --glass-bg: rgba(20, 31, 50, 0.58);
  --glass-solid: #101A2B;
  --line: rgba(128, 174, 255, 0.16);
  --line-soft: rgba(128, 174, 255, 0.09);
  --text-strong: #EBF2FF;
  --text-body: #C3D2EA;
  --text-muted: #8599B8;
  --primary-blue: #4C7DFF;
  --accent-cyan: #55E6E0;
  --accent-gold: #F5B93D;
  --accent-gold-deep: #D89C21;
  --danger: #FF6B6B;
  --ok: #6FD69B;
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.25);
  --shadow-float: 0 18px 46px rgba(0, 0, 0, 0.38);
  --space-section: 108px;
  --space-section-sm: 56px;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --font-code: SFMono-Regular, Consolas, "Liberation Mono", monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-0);
  background-image:
    radial-gradient(circle at 8% 12%, rgba(76, 125, 255, 0.12), transparent 32%),
    radial-gradient(circle at 86% 6%, rgba(85, 230, 224, 0.07), transparent 24%),
    radial-gradient(circle at 52% 90%, rgba(245, 185, 61, 0.06), transparent 26%);
  color: var(--text-body);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.no-scroll {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease, transform 0.2s ease;
}

a:hover,
a:focus {
  color: var(--text-strong);
}

button {
  font-family: inherit;
  border: none;
  background: none;
  color: inherit;
  cursor: pointer;
}

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

ul,
ol {
  list-style: none;
}

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

.section {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
  position: relative;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 38px;
}

.section-head .section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--accent-gold);
  font-size: 14px;
  letter-spacing: 0.12em;
}

.section-head .section-kicker::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-gold));
}

.section-title {
  font-size: clamp(1.3rem, 1rem + 1.6vw, 2.2rem);
  line-height: 1.35;
  font-weight: 700;
  color: var(--text-strong);
  margin-top: 10px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 15px;
  max-width: 680px;
  margin-top: 8px;
}

.text-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary-blue);
  font-size: 15px;
  white-space: nowrap;
  font-weight: 500;
}

.text-btn .arrow {
  transition: transform 0.2s ease;
}

.text-btn:hover .arrow {
  transform: translateX(4px);
}

.glass-card {
  background-color: var(--glass-solid);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

@supports ((backdrop-filter: blur(14px)) or (-webkit-backdrop-filter: blur(14px))) {
  .glass-card {
    background-color: var(--glass-bg);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    backdrop-filter: blur(14px) saturate(140%);
  }
}

.glass-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.09), transparent 12%),
    linear-gradient(135deg, rgba(85, 230, 224, 0.1), transparent 40%);
  border: 1px solid transparent;
  border-image: linear-gradient(135deg, rgba(255, 255, 255, 0.32), rgba(255, 255, 255, 0.02) 42%, rgba(255, 255, 255, 0.06)) 1;
}

.glass-card.no-glow::before {
  content: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 24px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  transition: all 0.22s ease;
  position: relative;
  cursor: pointer;
  white-space: nowrap;
}

.btn-gold {
  background: linear-gradient(180deg, #FFDE7B, var(--accent-gold));
  color: #1A1B1F;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.28) inset, 0 6px 20px rgba(245, 185, 61, 0.35);
  border: 1px solid rgba(255, 224, 144, 0.65);
}

.btn-gold:hover {
  transform: translateY(-2px);
  color: #17181C;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.34) inset, 0 10px 28px rgba(245, 185, 61, 0.5);
  background: linear-gradient(180deg, #FFE894, #FBC552);
}

.btn-gold:active {
  transform: scale(0.98);
}

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

.btn-ghost {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(195, 210, 234, 0.4);
  color: #DCE7FA;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(85, 230, 224, 0.55);
  transform: translateY(-2px);
  color: var(--text-strong);
}

.tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  padding: 2px 10px;
  font-size: 12px;
  line-height: 1.7;
  border: 1px solid rgba(128, 174, 255, 0.18);
  background: rgba(76, 125, 255, 0.1);
  color: #B4C9F2;
}

.tag-gold {
  border-color: rgba(245, 185, 61, 0.28);
  background: rgba(245, 185, 61, 0.1);
  color: #F1C77C;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--accent-cyan);
  border: 1px solid rgba(85, 230, 224, 0.28);
  background: rgba(85, 230, 224, 0.08);
  padding: 4px 12px;
  border-radius: 999px;
}

/* ---------- header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(7, 12, 22, 0.76);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background 0.25s ease, border-color 0.25s ease;
}

.site-header.scrolled {
  background: rgba(7, 12, 22, 0.92);
  border-bottom-color: rgba(128, 174, 255, 0.14);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1320px, 94vw);
  margin: 0 auto;
  min-height: 74px;
  position: relative;
  gap: 20px;
}

.brand {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-strong);
  font-size: 19px;
  font-weight: 800;
  white-space: nowrap;
  letter-spacing: 0.01em;
  z-index: 2;
}

.brand svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: var(--accent-gold);
  stroke-width: 1.8;
}

.brand:hover {
  color: #fff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  flex: 1 1 0;
}

.nav-left {
  justify-content: flex-start;
}

.nav-right {
  justify-content: flex-end;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 4px;
  color: var(--text-body);
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 6px;
  height: 2px;
  background: var(--accent-gold);
  transition: right 0.28s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  right: 0;
}

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

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  align-items: center;
  justify-content: center;
  color: var(--text-strong);
  border: 1px solid rgba(128, 174, 255, 0.22);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
}

.menu-toggle:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: 150;
  background: rgba(6, 10, 19, 0.98);
  padding: 96px 32px 40px;
  transform: translateX(100%);
  transition: transform 0.32s ease;
  overflow-y: auto;
}

.mobile-drawer.open {
  transform: translateX(0);
}

.drawer-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-strong);
  border: 1px solid var(--line);
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.drawer-nav a {
  display: flex;
  align-items: center;
  min-height: 52px;
  padding: 0 10px;
  font-size: 20px;
  color: var(--text-body);
  font-weight: 700;
  border-bottom: 1px solid rgba(128, 174, 255, 0.1);
}

.drawer-nav a:hover,
.drawer-nav a.active {
  color: var(--text-strong);
  border-bottom-color: rgba(245, 185, 61, 0.35);
}

.drawer-extra {
  margin-top: 32px;
  color: var(--text-muted);
  font-size: 14px;
}

/* ---------- hero ---------- */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 140px 0 72px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(7, 12, 22, 0.86), rgba(7, 12, 22, 0.9)), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  z-index: -2;
}

.hero-fog {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 22% 40%, rgba(76, 125, 255, 0.24), transparent 36%),
    radial-gradient(ellipse at 88% 74%, rgba(245, 185, 61, 0.08), transparent 24%);
  z-index: -1;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 52px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-cyan);
  border: 1px solid rgba(85, 230, 224, 0.26);
  background: rgba(85, 230, 224, 0.07);
  padding: 5px 13px;
  border-radius: 6px;
  font-size: 13px;
}

.hero h1 {
  font-size: clamp(1.7rem, 0.8rem + 3.2vw, 3.6rem);
  line-height: 1.22;
  color: var(--text-strong);
  font-weight: 800;
  margin-top: 22px;
  letter-spacing: 0.01em;
}

.hero-lead {
  margin-top: 20px;
  font-size: 17px;
  line-height: 1.85;
  color: #C7D7EF;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.hero-rating-note {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 34px;
  padding-top: 20px;
  border-top: 1px solid rgba(128, 174, 255, 0.14);
  color: var(--text-muted);
  font-size: 13px;
}

.hero-rating-note li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-rating-note svg {
  width: 15px;
  height: 15px;
  stroke: var(--accent-gold);
}

.hero-stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 440px;
}

.hero-stage-deco {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(245, 185, 61, 0.22);
  border-radius: 99px 40px 70px 50px;
  transform: rotate(3deg);
}

.phone-window {
  width: 212px;
  height: 452px;
  border-radius: 30px;
  overflow: hidden;
  background: #0c172a;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.45),
    0 0 0 8px rgba(255, 255, 255, 0.055),
    0 0 0 1px rgba(255, 255, 255, 0.08);
  position: relative;
  z-index: 2;
}

.phone-top {
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.phone-camera {
  width: 52px;
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
}

.phone-screen {
  height: 100%;
  background-image: linear-gradient(180deg, rgba(5, 10, 20, 0.24), rgba(7, 12, 22, 0.64)), url('/assets/images/coverpic/cover-2.png');
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
}

.phone-caption {
  padding: 40px 16px 18px;
  color: #fff;
  background: linear-gradient(180deg, transparent, rgba(4, 8, 15, 0.9));
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.phone-caption strong {
  font-size: 14px;
  line-height: 1.55;
}

.phone-caption span {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.72);
}

.video-playbar {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.video-playbar .bar {
  background: rgba(255, 255, 255, 0.3);
  height: 1px;
  flex: 1;
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}

.video-playbar .bar::after {
  content: "";
  position: absolute;
  inset: 0 42% 0 0;
  background: var(--accent-gold);
}

.float-pill {
  position: absolute;
  padding: 6px 12px;
  background: rgba(12, 21, 36, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  color: var(--text-strong);
  font-size: 12px;
  z-index: 4;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.34);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.pill-1 {
  top: 70px;
  left: -28px;
  animation: floatA 3.8s ease-in-out infinite;
}

.pill-2 {
  top: 198px;
  right: -34px;
  animation: floatB 4.4s ease-in-out infinite;
}

.pill-3 {
  bottom: 44px;
  left: -40px;
  animation: floatA 4.8s ease-in-out infinite;
}

@keyframes floatA {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes floatB {
  0%, 100% { transform: translateY(-4px); }
  50% { transform: translateY(5px); }
}

.scroll-cue {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 34px;
  border: 1px solid rgba(195, 210, 234, 0.45);
  border-radius: 999px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 7px;
}

.scroll-cue::after {
  content: "";
  display: block;
  width: 3px;
  height: 7px;
  border-radius: 3px;
  background: var(--accent-gold);
  animation: scrollDot 1.8s ease-in-out infinite;
}

@keyframes scrollDot {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0.1; transform: translateY(8px); }
}

/* ---------- clip section ---------- */
.clips-section {
  background: transparent;
  padding-top: 70px;
}

.clip-slider-wrap {
  position: relative;
  margin-top: 8px;
}

.clip-slider {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 14px 4px 30px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.clip-slider::-webkit-scrollbar {
  display: none;
}

.clip-card {
  flex: 0 0 218px;
  scroll-snap-align: start;
  height: 348px;
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.13);
  box-shadow: var(--shadow-card);
  background: #0D1626;
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}

.clip-card:hover {
  transform: translateY(-7px);
  border-color: rgba(85, 230, 224, 0.54);
  box-shadow: var(--shadow-float);
}

.clip-card img,
.clip-card .clip-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.clip-card:hover img {
  transform: scale(1.04);
}

.clip-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 12, 22, 0.2), transparent 18%, rgba(7, 12, 22, 0.86) 82%, #070C16 100%);
}

.clip-top {
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  z-index: 2;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.clip-bottom {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 13px;
  z-index: 2;
}

.clip-bottom h3 {
  color: #fff;
  font-size: 14px;
  line-height: 1.5;
  margin: 5px 0 2px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.clip-info {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: space-between;
  margin-top: 11px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 12px;
}

.clip-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.32);
  color: rgba(255, 255, 255, 0.8);
}

.clip-icon svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.clip-play {
  position: absolute;
  top: 48%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.92);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(19, 32, 54, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--accent-gold);
  z-index: 3;
  transition: all 0.24s ease;
}

.clip-play svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.clip-card:hover .clip-play {
  transform: translate(-50%, -50%) scale(1);
  background: rgba(245, 185, 61, 0.18);
  border-color: rgba(245, 185, 61, 0.5);
}

.swipe-hint {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  align-items: center;
  color: var(--text-muted);
  font-size: 13px;
  margin-top: -8px;
}

/* ---------- feature / featured list ---------- */
.featured-section {
  background: transparent;
  padding-top: 40px;
}

.featured-list {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.feature-item {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 32px;
}

.feature-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(128, 174, 255, 0.12);
  box-shadow: var(--shadow-card);
  background: #0D1626;
}

.feature-media img {
  width: 100%;
  aspect-ratio: 16 / 10.2;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.feature-media::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(7, 12, 22, 0.24), transparent 45%, rgba(7, 12, 22, 0.1));
  pointer-events: none;
  z-index: 1;
}

.feature-index {
  position: absolute;
  top: -18px;
  right: 16px;
  z-index: 2;
  background: #0A121F;
  border: 1px solid var(--line);
  color: var(--accent-gold);
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
  padding: 8px 13px;
  border-radius: 12px;
  font-family: var(--font-code);
}

.feature-copy {
  padding: 8px 0;
}

.feature-copy .tag {
  margin-bottom: 14px;
}

.feature-copy h2 {
  color: var(--text-strong);
  font-size: clamp(1.2rem, 1rem + 1vw, 1.7rem);
  line-height: 1.45;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-copy p {
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.9;
}

.feature-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  margin: 20px 0 24px;
  color: var(--text-muted);
  font-size: 14px;
}

.feature-meta li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.feature-meta li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  opacity: 0.8;
}

.feature-row-reverse {
  direction: rtl;
}

.feature-row-reverse > * {
  direction: ltr;
}

/* ---------- reviews ---------- */
.reviews-section {
  overflow: hidden;
}

.review-scroller {
  display: flex;
  gap: 22px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 20px 4px 36px;
  scrollbar-width: none;
}

.review-scroller::-webkit-scrollbar {
  display: none;
}

.review-card {
  flex: 0 0 336px;
  scroll-snap-align: start;
  border-radius: 16px;
  padding: 24px;
  border: 1px solid var(--line);
  background: rgba(233, 242, 255, 0.035);
  box-shadow: var(--shadow-card);
}

.review-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.review-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: linear-gradient(145deg, rgba(76, 125, 255, 0.2), rgba(85, 230, 224, 0.08));
  color: #BBD4FF;
}

.avatar svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.review-user strong {
  display: block;
  color: var(--text-strong);
  font-size: 14px;
  line-height: 1.4;
}

.review-user span {
  color: var(--text-muted);
  font-size: 13px;
}

.stars {
  display: flex;
  gap: 3px;
}

.stars svg {
  width: 15px;
  height: 15px;
  fill: rgba(245, 185, 61, 0.32);
  stroke: var(--accent-gold);
  stroke-width: 1.5;
}

.stars svg.filled {
  fill: #F1B757;
}

.review-card p {
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.85;
}

.review-card .source {
  display: inline-block;
  margin-top: 16px;
  font-size: 12px;
  color: var(--text-muted);
  background: rgba(128, 174, 255, 0.08);
  border-radius: 6px;
  padding: 3px 10px;
}

/* ---------- news / cms list ---------- */
.news-section {
  position: relative;
}

.news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 26px;
  align-items: stretch;
}

.news-lead {
  position: relative;
  border-radius: var(--radius-lg);
  background: var(--glass-solid);
  border: 1px solid var(--line);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 380px;
  box-shadow: var(--shadow-card);
  transition: transform 0.24s ease, border-color 0.24s ease;
}

.news-lead:hover {
  transform: translateY(-5px);
  border-color: rgba(85, 230, 224, 0.4);
}

.news-lead-cover {
  width: 100%;
  height: 220px;
  background-size: cover;
  background-position: center;
  background-color: #101A2B;
  position: relative;
}

.news-lead-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(7, 12, 22, 0.78));
}

.news-lead-body {
  padding: 0 28px 28px;
  margin-top: -50px;
  position: relative;
  z-index: 1;
}

.news-lead-body h3 {
  color: var(--text-strong);
  font-size: 22px;
  line-height: 1.4;
  font-weight: 700;
  margin: 14px 0 8px;
}

.news-lead-body .news-summary {
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.8;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 15px;
}

.news-meta .dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: rgba(128, 174, 255, 0.56);
}

.news-mini-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.news-mini {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 15px;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid rgba(128, 174, 255, 0.12);
  background: rgba(255, 255, 255, 0.025);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.news-mini:hover {
  background: rgba(255, 255, 255, 0.055);
  border-color: rgba(85, 230, 224, 0.32);
  transform: translateY(-2px);
}

.news-mini-thumb {
  width: 96px;
  height: 82px;
  border-radius: 10px;
  background-size: cover;
  background-position: center;
  background-color: #0D1626;
}

.news-mini-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.news-mini-copy .mini-tag {
  align-self: flex-start;
  margin-bottom: 5px;
  font-size: 11px;
  padding: 1px 7px;
  color: #9FB1D1;
  background: rgba(76, 125, 255, 0.12);
}

.news-mini-copy h4 {
  line-height: 1.45;
  color: var(--text-strong);
  font-size: 14px;
  font-weight: 600;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-mini-copy p {
  color: var(--text-muted);
  font-size: 12px;
  margin-top: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.news-empty {
  grid-column: 1 / -1;
  border: 1px dashed rgba(128, 174, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 76px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.02);
  text-align: center;
}

.news-empty svg {
  width: 38px;
  height: 38px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  opacity: 0.8;
}

/* ---------- faq ---------- */
.faq-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 20px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item.summary-open {
  border-color: rgba(85, 230, 224, 0.3);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  padding: 17px 20px;
  color: var(--text-strong);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  min-height: 52px;
  border-radius: 12px;
}

.faq-question:hover {
  color: #fff;
}

.faq-icon {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  position: relative;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: currentColor;
  border-radius: 4px;
  transition: transform 0.22s ease;
}

.faq-icon::before {
  width: 12px;
  height: 2px;
}

.faq-icon::after {
  width: 2px;
  height: 12px;
}

.faq-item.summary-open .faq-icon {
  color: var(--accent-cyan);
}

.faq-item.summary-open .faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-answer {
  padding: 0 20px 20px;
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.85;
  display: none;
}

.faq-item.summary-open .faq-answer {
  display: block;
}

/* ---------- cta ---------- */
.cta-section {
  position: relative;
  padding-top: 40px;
  padding-bottom: 80px;
}

.cta-panel {
  position: relative;
  text-align: center;
  padding: 70px 32px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background-image: linear-gradient(140deg, rgba(10, 19, 34, 0.9), rgba(9, 14, 24, 0.92)), url('/assets/images/backpic/back-3.webp');
  background-size: cover;
  background-position: center;
  border: 1px solid rgba(128, 174, 255, 0.2);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.cta-panel::before,
.cta-panel::after {
  content: "";
  position: absolute;
  top: 18px;
  bottom: 18px;
  width: 2px;
  border-radius: 2px;
  pointer-events: none;
}

.cta-panel::before {
  left: 24px;
  background: linear-gradient(180deg, transparent, #F5B93D, #55E6E0, transparent);
}

.cta-panel::after {
  right: 24px;
  background: linear-gradient(180deg, transparent, #55E6E0, #F5B93D, transparent);
}

.cta-panel h2 {
  color: #F8FBFF;
  font-size: clamp(1.4rem, 1rem + 1.6vw, 2.3rem);
  font-weight: 800;
  line-height: 1.4;
}

.cta-panel p {
  max-width: 620px;
  margin: 16px auto 30px;
  color: #B9C9E2;
  font-size: 15px;
}

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

.cta-note {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 18px;
}

/* ---------- footer ---------- */
.site-footer {
  background: rgba(4, 8, 15, 0.82);
  border-top: 1px solid rgba(128, 174, 255, 0.11);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr;
  gap: 48px;
  padding: 62px 0 48px;
}

.footer-brand a.brand-in-footer {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-strong);
  font-size: 20px;
  font-weight: 900;
  margin-bottom: 16px;
}

.brand-in-footer svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: var(--accent-gold);
  stroke-width: 1.8;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 340px;
  line-height: 1.85;
}

.footer-col h3 {
  color: var(--text-strong);
  font-size: 15px;
  margin-bottom: 16px;
  font-weight: 700;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-col a {
  display: inline-flex;
  align-items: center;
  color: var(--text-body);
  font-size: 14px;
}

.footer-col a:hover {
  color: var(--accent-cyan);
  transform: translateX(3px);
}

.footer-bottom {
  border-top: 1px solid rgba(128, 174, 255, 0.1);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--text-muted);
  font-size: 13px;
}

.footer-bottom a {
  color: inherit;
}

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

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .hero-inner {
    gap: 30px;
  }

  .float-pill {
    display: none;
  }

  .pill-1 {
    left: -10px;
  }

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

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

@media (max-width: 900px) {
  .hero {
    padding-top: 130px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .hero-stage {
    min-height: 440px;
  }

  .feature-item {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .feature-row-reverse {
    direction: ltr;
  }

  .feature-media img {
    aspect-ratio: 16 / 10;
  }

  .news-layout {
    grid-template-columns: 1fr;
  }

  .faq-list {
    grid-template-columns: 1fr;
  }

  .section {
    padding-top: 72px;
    padding-bottom: 72px;
  }
}

@media (max-width: 767px) {
  .nav-shell {
    min-height: 64px;
    gap: 8px;
  }

  .nav-left,
  .nav-right {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .brand {
    font-size: 16px;
    gap: 7px;
    left: 50%;
    transform: translateX(-50%);
  }

  .brand svg {
    width: 22px;
    height: 22px;
  }

  .hero {
    min-height: 100vh;
    min-height: 100dvh;
    padding: 120px 0 40px;
  }

  .hero h1 {
    max-width: 560px;
  }

  .hero-lead {
    font-size: 15px;
  }

  .hero-stage {
    min-height: 380px;
  }

  .phone-window {
    width: 176px;
    height: 390px;
  }

  .clip-card {
    flex: 0 0 184px;
    height: 310px;
  }

  .section-head {
    flex-direction: column;
    gap: 8px;
    margin-bottom: 26px;
  }

  .section-title {
    font-size: 1.4rem;
  }

  .section-subtitle {
    font-size: 14px;
  }

  .reviews-section {
    overflow: hidden;
  }

  .review-card {
    flex-basis: 290px;
    padding: 18px;
  }

  .scroll-cue {
    display: none;
  }

  .news-mini {
    grid-template-columns: 90px minmax(0, 1fr);
    padding: 9px;
    gap: 12px;
  }

  .news-mini-thumb {
    width: 90px;
    height: 78px;
  }

  .cta-panel {
    padding: 48px 18px;
  }

  .cta-panel::before,
  .cta-panel::after {
    top: 8px;
    bottom: 8px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 34px;
    padding: 46px 0 32px;
  }

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

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

@media (max-width: 520px) {
  .container {
    width: min(100% - 26px, 440px);
  }

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

  .feature-index {
    font-size: 22px;
    padding: 6px 12px;
  }

  .feature-copy h2 {
    font-size: 1.2rem;
  }

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

  .clip-card {
    flex-basis: 172px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001s !important;
  }

  .review-scroller {
    scroll-behavior: auto;
  }
}

/* roulang page: category1 */
:root {
      --bg-0: #0A0D13;
      --bg-1: #14181F;
      --panel: #1E242D;
      --panel-hover: #28313B;
      --glass: rgba(24, 31, 41, 0.72);
      --line: rgba(242, 230, 204, 0.13);
      --line-soft: rgba(242, 230, 204, 0.07);
      --text-strong: #F3ECD9;
      --text-body: #C5BFAD;
      --text-muted: #968D77;
      --accent: #E6A93B;
      --accent-deep: #C97F1F;
      --cyan: #64C7B5;
      --danger: #DF8068;
      --radius-lg: 22px;
      --radius-md: 14px;
      --radius-sm: 9px;
      --shadow-1: 0 10px 30px rgba(0, 0, 0, 0.24);
      --shadow-2: 0 14px 40px rgba(0, 0, 0, 0.36);
      --ease: 0.25s cubic-bezier(0.2, 0.72, 0.24, 1);
    }

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

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

    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
      background-color: var(--bg-0);
      background-image:
        radial-gradient(circle at 18% 8%, rgba(230, 169, 59, 0.06), transparent 34%),
        radial-gradient(circle at 82% 20%, rgba(100, 199, 181, 0.045), transparent 28%),
        linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
      background-size: auto, auto, 44px 44px, 44px 44px;
      color: var(--text-body);
      font-size: 16px;
      line-height: 1.75;
      min-height: 100vh;
    }

    img {
      display: block;
      max-width: 100%;
      height: auto;
      object-fit: cover;
    }

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

    a:hover,
    a:focus-visible {
      color: var(--text-strong);
    }

    ul,
    ol {
      list-style: none;
    }

    button,
    input {
      font: inherit;
    }

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

    :focus-visible {
      outline: 2px solid var(--cyan);
      outline-offset: 3px;
      border-radius: 4px;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    @media (min-width: 1440px) {
      .container {
        max-width: 1320px;
      }
    }

    .section-pad {
      padding: 88px 0;
    }

    .section-head {
      display: flex;
      flex-wrap: wrap;
      align-items: flex-end;
      justify-content: space-between;
      gap: 18px 34px;
      margin-bottom: 40px;
    }

    .kicker {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      color: var(--accent);
      font-size: 13px;
      letter-spacing: 0.02em;
      margin-bottom: 10px;
      font-weight: 600;
    }

    .kicker::before {
      content: "";
      display: inline-block;
      width: 22px;
      height: 1px;
      background: var(--accent);
      opacity: 0.68;
    }

    .section-title {
      font-size: clamp(1.4rem, 1rem + 1.6vw, 2.2rem);
      line-height: 1.3;
      color: var(--text-strong);
      font-weight: 700;
      letter-spacing: -0.01em;
    }

    .section-lead {
      max-width: 600px;
      color: var(--text-muted);
    }

    .section-lead strong {
      color: var(--text-body);
      font-weight: 600;
    }

    .divider-line {
      height: 1px;
      border: 0;
      background: linear-gradient(90deg, transparent, var(--line), transparent);
      margin: 0;
    }

    /* ===== Header / Nav ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 90;
      background: rgba(11, 14, 20, 0.78);
      backdrop-filter: blur(16px) saturate(130%);
      -webkit-backdrop-filter: blur(16px) saturate(130%);
      border-bottom: 1px solid var(--line-soft);
    }

    @supports not (backdrop-filter: blur(1px)) {
      .site-header {
        background: #0B0E13;
      }
    }

    .nav-row {
      position: relative;
      max-width: 1320px;
      margin: 0 auto;
      min-height: 70px;
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      gap: 18px;
      padding: 0 24px;
    }

    .brand-centered {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      color: var(--text-strong);
      font-weight: 700;
      font-size: 18px;
      white-space: nowrap;
      padding: 6px 0;
    }

    .brand-centered svg, .brand-in-footer svg {
      width: 24px;
      height: 24px;
      flex: 0 0 auto;
    }

    .brand-centered span {
      letter-spacing: 0.01em;
    }

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

    .nav-left {
      justify-content: flex-start;
    }

    .nav-right {
      justify-content: flex-end;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 7px 14px;
      color: var(--text-muted);
      font-size: 15px;
      border-radius: 999px;
      position: relative;
      white-space: nowrap;
      transition: color var(--ease), background var(--ease);
    }

    .nav-link:hover {
      color: var(--text-strong);
      background: rgba(255, 255, 255, 0.04);
    }

    .nav-link.active {
      color: var(--text-strong);
    }

    .nav-link.active::after {
      content: "";
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 2px;
      height: 2px;
      border-radius: 6px;
      background: var(--accent);
      box-shadow: 0 0 10px rgba(230, 169, 59, 0.46);
    }

    .menu-btn {
      display: none;
      position: absolute;
      right: 16px;
      top: 50%;
      transform: translateY(-50%);
      width: 44px;
      height: 44px;
      border: 1px solid var(--line);
      border-radius: 12px;
      background: rgba(255, 255, 255, 0.03);
      align-items: center;
      justify-content: center;
      color: var(--text-strong);
      z-index: 95;
      transition: background var(--ease);
    }

    .menu-btn svg {
      width: 20px;
      height: 20px;
    }

    .menu-btn:hover {
      background: rgba(255, 255, 255, 0.07);
    }

    .mobile-overlay {
      position: fixed;
      inset: 0;
      background: rgba(8, 11, 16, 0.97);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      display: flex;
      flex-direction: column;
      visibility: hidden;
      opacity: 0;
      transform: translateY(-4px);
      transition: opacity var(--ease), transform var(--ease), visibility var(--ease);
      z-index: 88;
      padding: 112px 28px 40px;
    }

    .mobile-overlay.is-open {
      visibility: visible;
      opacity: 1;
      transform: translateY(0);
    }

    .mobile-nav-list {
      display: grid;
      gap: 8px;
      width: 100%;
      margin: auto 0;
    }

    .mobile-nav-list a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 54px;
      padding: 0 18px;
      font-size: 20px;
      color: var(--text-body);
      border: 1px solid transparent;
      border-bottom-color: var(--line-soft);
    }

    .mobile-nav-list a.active {
      color: var(--accent);
    }

    .mobile-nav-list a::after {
      content: "→";
      color: var(--text-muted);
      font-size: 15px;
      opacity: 0.7;
    }

    .mobile-nav-list a.active::after {
      color: var(--accent);
    }

    /* ===== Buttons ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 8px 22px;
      border-radius: 12px;
      font-size: 15px;
      font-weight: 600;
      line-height: 1.2;
      border: 1px solid transparent;
      transition: transform var(--ease), box-shadow var(--ease), background var(--ease), border-color var(--ease);
    }

    .btn-gold {
      background: linear-gradient(135deg, #F3C05D, var(--accent));
      color: #171406;
      border-color: rgba(255, 220, 130, 0.38);
      box-shadow: 0 8px 28px rgba(230, 169, 59, 0.24), inset 0 0 18px rgba(255, 224, 130, 0.12);
    }

    .btn-gold:hover {
      transform: translateY(-2px);
      background: linear-gradient(135deg, #FFD985, #F1AF3A);
      box-shadow: 0 12px 34px rgba(230, 169, 59, 0.36), inset 0 0 18px rgba(255, 224, 130, 0.14);
    }

    .btn-gold:active {
      transform: scale(0.98);
    }

    .btn-ghost {
      background: rgba(255, 255, 255, 0.03);
      border-color: rgba(242, 230, 204, 0.25);
      color: var(--text-body);
    }

    .btn-ghost:hover {
      transform: translateY(-2px);
      color: var(--text-strong);
      border-color: rgba(100, 199, 181, 0.7);
      background: rgba(255, 255, 255, 0.06);
      box-shadow: 0 10px 26px rgba(0, 0, 0, 0.2);
    }

    .btn-ghost:active {
      transform: scale(0.98);
    }

    .arrow-next {
      transition: transform var(--ease);
      display: inline-block;
    }

    .btn:hover .arrow-next {
      transform: translateX(4px);
    }

    /* ===== Breadcrumb ===== */
    .breadcrumb-wrap {
      padding: 20px 0 6px;
      border-bottom: 1px dashed var(--line-soft);
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 4px 10px;
      color: var(--text-muted);
      font-size: 14px;
    }

    .breadcrumb a {
      color: var(--text-body);
      transition: color var(--ease);
    }

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

    .breadcrumb .sep {
      color: rgba(150, 141, 119, 0.5);
    }

    .breadcrumb .current {
      color: var(--text-strong);
      font-weight: 600;
    }

    /* ===== Page Hero / Banner ===== */
    .page-hero {
      position: relative;
      border-radius: 24px;
      overflow: hidden;
      min-height: 500px;
      margin: 28px 0 0;
      border: 1px solid var(--line-soft);
      box-shadow: var(--shadow-2);
      display: flex;
      align-items: flex-end;
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/backpic/back-1.webp');
      background-position: 34% center;
      background-size: cover;
      transform: scale(1.03);
      will-change: transform;
    }

    .hero-scrim {
      position: absolute;
      inset: 0;
      background:
        linear-gradient(180deg, rgba(7, 10, 15, 0.28) 0%, rgba(7, 10, 15, 0.75) 68%, var(--bg-0) 100%),
        radial-gradient(circle at 20% 60%, rgba(0, 0, 0, 0.18), transparent 50%);
    }

    .hero-content {
      position: relative;
      padding: 120px 24px 52px;
      width: 100%;
    }

    .hero-inner {
      max-width: 780px;
    }

    .hero-eyebrow {
      font-size: 14px;
      color: var(--accent);
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 18px;
    }

    .hero-eyebrow::before {
      content: "";
      width: 30px;
      height: 1px;
      background: var(--accent);
    }

    .page-hero h1 {
      color: var(--text-strong);
      font-size: clamp(1.75rem, 1rem + 3vw, 3.3rem);
      line-height: 1.18;
      font-weight: 800;
      letter-spacing: -0.01em;
      margin-bottom: 16px;
      text-shadow: 0 8px 38px rgba(0, 0, 0, 0.5);
    }

    .hero-desc {
      color: #D8D2C0;
      max-width: 640px;
      font-size: 17px;
      line-height: 1.85;
      margin-bottom: 30px;
    }

    .hero-desc a {
      color: var(--accent);
      border-bottom: 1px solid rgba(230, 169, 59, 0.4);
    }

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

    .hero-specks {
      display: flex;
      flex-wrap: wrap;
      gap: 8px 10px;
      margin-top: 26px;
    }

    .spec-pill {
      padding: 5px 12px;
      border-radius: 999px;
      font-size: 12px;
      color: var(--text-body);
      background: rgba(13, 17, 23, 0.44);
      border: 1px solid var(--line);
      backdrop-filter: blur(4px);
    }

    .spec-pill.primary-pill {
      color: var(--text-strong);
      border-color: rgba(230, 169, 59, 0.35);
      background: rgba(230, 169, 59, 0.06);
    }

    /* ===== Quick Filter Tape ===== */
    .quick-tape {
      display: flex;
      gap: 12px;
      align-items: center;
      padding: 24px 0 8px;
      overflow-x: auto;
      scrollbar-width: none;
    }

    .quick-tape::-webkit-scrollbar {
      display: none;
    }

    .tape-label {
      flex: 0 0 auto;
      color: var(--text-muted);
      font-size: 14px;
    }

    .tape-chip {
      flex: 0 0 auto;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 15px;
      min-height: 36px;
      font-size: 13px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.02);
      color: var(--text-muted);
      transition: color var(--ease), border-color var(--ease), background var(--ease);
    }

    .tape-chip:hover {
      color: var(--text-strong);
      border-color: rgba(100, 199, 181, 0.55);
      background: rgba(100, 199, 181, 0.06);
    }

    .tape-chip.chip-active {
      color: var(--accent);
      border-color: rgba(230, 169, 59, 0.6);
      background: rgba(230, 169, 59, 0.05);
    }

    /* ===== Editorial Spotlight ===== */
    .editorial-grid {
      display: grid;
      grid-template-columns: 1.24fr 0.76fr;
      gap: 24px;
    }

    .visual-cards-left,
    .visual-cards-right {
      display: grid;
      gap: 24px;
    }

    .visual-cards-right {
      grid-template-rows: 1fr 1fr;
    }

    .feature-card {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      background: var(--panel);
      border: 1px solid var(--line-soft);
      min-height: 260px;
      display: flex;
      align-items: flex-end;
      box-shadow: var(--shadow-1);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .feature-card:hover {
      transform: translateY(-4px);
      border-color: rgba(230, 169, 59, 0.36);
      box-shadow: var(--shadow-2);
    }

    .feature-card picture,
    .feature-card img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
    }

    .feature-card::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(10, 13, 20, 0.01) 20%, rgba(8, 12, 18, 0.82) 100%);
      transition: background var(--ease);
    }

    .feature-card:hover::after {
      background: linear-gradient(180deg, rgba(10, 13, 20, 0.01) 12%, rgba(8, 12, 18, 0.86) 100%);
    }

    .feature-card .feature-tag,
    .feature-card .feature-meta {
      position: relative;
      z-index: 2;
    }

    .feature-card .feature-tag {
      position: absolute;
      top: 18px;
      left: 18px;
      z-index: 3;
      background: rgba(8, 12, 18, 0.72);
      color: #E9DCC0;
      font-size: 12px;
      padding: 5px 12px;
      border-radius: 999px;
      border: 1px solid rgba(230, 169, 59, 0.32);
    }

    .feature-meta {
      padding: 26px 22px 22px;
      width: 100%;
    }

    .feature-meta .feat-kicker {
      font-size: 12px;
      color: var(--cyan);
      margin-bottom: 8px;
    }

    .feature-meta h2,
    .feature-meta h3 {
      color: var(--text-strong);
      font-size: 26px;
      line-height: 1.4;
      margin-bottom: 8px;
      font-weight: 700;
    }

    .feature-card.small .feature-meta h3 {
      font-size: 20px;
    }

    .feature-meta p {
      color: rgba(215, 208, 189, 0.9);
      font-size: 15px;
      line-height: 1.75;
    }

    .feature-card.small .feature-meta p {
      font-size: 14px;
    }

    .note-line {
      margin-top: 24px;
      color: var(--text-muted);
      font-size: 14px;
      border-left: 3px solid rgba(230, 169, 59, 0.55);
      padding-left: 16px;
    }

    /* ===== Flow / dimensions ===== */
    .dimension-wrap {
      display: grid;
      gap: 14px;
    }

    .dimension-item {
      position: relative;
      display: grid;
      grid-template-columns: 78px 0.95fr 1.35fr;
      gap: 20px;
      align-items: center;
      background: rgba(30, 36, 45, 0.66);
      border: 1px solid var(--line-soft);
      border-radius: 18px;
      padding: 18px 22px;
      transition: border-color var(--ease), background var(--ease), transform var(--ease);
    }

    .dimension-item:hover {
      border-color: rgba(100, 199, 181, 0.4);
      background: rgba(36, 43, 54, 0.82);
      transform: translateX(4px);
    }

    .dimension-index {
      font-size: 36px;
      line-height: 1;
      color: transparent;
      -webkit-text-stroke: 1px rgba(230, 169, 59, 0.66);
      font-weight: 800;
      letter-spacing: -0.04em;
    }

    .dimension-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-strong);
      border-right: 1px solid var(--line);
      padding-right: 20px;
    }

    .dimension-desc {
      font-size: 15px;
      line-height: 1.85;
      color: var(--text-body);
    }

    /* ===== Process ===== */
    .process-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
      counter-reset: process-counter;
    }

    .process-card {
      background: linear-gradient(145deg, rgba(23, 29, 37, 0.78), rgba(28, 34, 43, 0.62));
      border: 1px solid var(--line);
      border-radius: 18px;
      padding: 28px 24px 24px;
      position: relative;
      transition: transform var(--ease), border-color var(--ease);
    }

    .process-card:hover {
      border-color: rgba(230, 169, 59, 0.38);
      transform: translateY(-5px);
    }

    .process-card .process-top {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 18px;
    }

    .process-num {
      font-size: 32px;
      color: transparent;
      -webkit-text-stroke: 1px rgba(230, 169, 59, 0.5);
      font-weight: 800;
    }

    .process-icon {
      width: 44px;
      height: 44px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      background: rgba(100, 199, 181, 0.06);
      border: 1px solid rgba(100, 199, 181, 0.24);
      color: var(--cyan);
    }

    .process-icon svg {
      width: 20px;
      height: 20px;
    }

    .process-card h3 {
      font-size: 19px;
      color: var(--text-strong);
      margin-bottom: 12px;
    }

    .process-card p {
      color: var(--text-body);
      font-size: 15px;
    }

    /* ===== Cross block for category 2 ===== */
    .cross-reference {
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 24px;
      background: rgba(22, 27, 35, 0.5);
      border: 1px solid var(--line-soft);
      border-radius: 24px;
      overflow: hidden;
      box-shadow: var(--shadow-1);
    }

    .cross-visual {
      position: relative;
      min-height: 300px;
    }

    .cross-visual img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
    }

    .cross-visual::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, transparent 35%, rgba(9, 12, 17, 0.95) 100%);
    }

    .cross-content {
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: 40px 44px 40px 0;
    }

    .cross-content h2 {
      font-size: 1.7rem;
      color: var(--text-strong);
      line-height: 1.35;
      margin-bottom: 14px;
    }

    .cross-content p {
      color: var(--text-body);
      font-size: 16px;
      margin-bottom: 22px;
    }

    .cross-tag-list {
      display: flex;
      flex-wrap: wrap;
      gap: 8px 10px;
      margin-bottom: 24px;
    }

    .cross-tag-list span {
      padding: 4px 10px;
      font-size: 13px;
      color: var(--text-body);
      border: 1px solid var(--line);
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.02);
    }

    /* ===== FAQ ===== */
    .faq-panel {
      max-width: 860px;
      margin: 0 auto;
      background: rgba(19, 24, 31, 0.52);
      border: 1px solid var(--line-soft);
      border-radius: 22px;
      overflow: hidden;
    }

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

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

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      text-align: left;
      padding: 20px 24px;
      color: var(--text-strong);
      font-weight: 600;
      font-size: 16px;
      line-height: 1.5;
      transition: background var(--ease);
    }

    .faq-question:hover {
      background: rgba(255, 255, 255, 0.035);
    }

    .faq-icon {
      position: relative;
      display: inline-flex;
      width: 28px;
      height: 28px;
      align-items: center;
      justify-content: center;
      border-radius: 9px;
      border: 1px solid var(--line);
      flex: 0 0 auto;
    }

    .faq-icon::before,
    .faq-icon::after {
      content: "";
      position: absolute;
      background: var(--accent);
      border-radius: 2px;
      transition: transform var(--ease);
    }

    .faq-icon::before {
      width: 12px;
      height: 2px;
    }

    .faq-icon::after {
      width: 2px;
      height: 12px;
    }

    .faq-item.is-open .faq-icon::after {
      transform: scaleY(0);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease;
    }

    .faq-answer-inner {
      padding: 0 24px 20px;
      color: var(--text-body);
      max-width: 660px;
    }

    .faq-item.is-open .faq-answer {
      max-height: 420px;
    }

    .faq-item.is-open .faq-question {
      color: var(--accent);
    }

    /* ===== CTA ===== */
    .cta-block {
      position: relative;
      overflow: hidden;
      background: linear-gradient(135deg, rgba(21, 27, 35, 0.64), rgba(25, 31, 40, 0.76));
      border: 1px solid var(--line);
      border-radius: 24px;
      padding: 62px 30px;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }

    .cta-block::before,
    .cta-block::after {
      content: "";
      position: absolute;
      height: 1px;
      width: 34%;
      background: linear-gradient(90deg, transparent, rgba(230, 169, 59, 0.7), transparent);
    }

    .cta-block::before {
      top: 12px;
      left: 50%;
      transform: translateX(-50%);
    }

    .cta-block::after {
      bottom: 12px;
      left: 50%;
      transform: translateX(-50%);
    }

    .cta-block h2 {
      font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.3rem);
      color: var(--text-strong);
      line-height: 1.3;
      max-width: 670px;
    }

    .cta-block .cta-sub {
      color: var(--text-body);
      max-width: 640px;
      margin: 14px 0 28px;
      font-size: 16px;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 13px;
    }

    .cta-note {
      margin-top: 18px;
      font-size: 13px;
      color: var(--text-muted);
    }

    /* ===== Footer ===== */
    .site-footer {
      margin-top: 30px;
      background: rgba(8, 11, 16, 0.64);
      border-top: 1px solid var(--line-soft);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.6fr 0.8fr 0.8fr;
      gap: 40px;
      padding: 44px 0 32px;
    }

    .brand-in-footer {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--text-strong);
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 10px;
    }

    .footer-brand p {
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.9;
      max-width: 380px;
    }

    .footer-col h3 {
      color: var(--text-strong);
      font-size: 15px;
      margin-bottom: 14px;
      font-weight: 600;
    }

    .footer-col ul {
      display: grid;
      gap: 8px;
    }

    .footer-col a {
      color: var(--text-muted);
      font-size: 14px;
      display: inline-flex;
      align-items: center;
      gap: 4px;
      transition: color var(--ease), padding-left var(--ease);
    }

    .footer-col a:hover {
      color: var(--accent);
      padding-left: 6px;
    }

    .footer-bottom {
      border-top: 1px solid var(--line-soft);
      padding: 18px 0 22px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 8px;
      color: var(--text-muted);
      font-size: 13px;
    }

    /* ===== Responsive ===== */
    @media (max-width: 1100px) {
      .dimension-item {
        grid-template-columns: 58px 0.9fr 1.3fr;
      }

      .cross-content {
        padding-right: 28px;
      }
    }

    @media (max-width: 1023px) {
      .nav-row {
        display: flex;
        align-items: center;
        justify-content: center;
      }

      .nav-links.nav-left,
      .nav-links.nav-right {
        display: none;
      }

      .menu-btn {
        display: inline-flex;
      }
    }

    @media (min-width: 1024px) {
      .mobile-overlay {
        display: none;
      }
    }

    @media (max-width: 900px) {
      .section-pad {
        padding: 64px 0;
      }

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

      .visual-cards-right {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: none;
      }

      .dimension-item {
        grid-template-columns: 48px 1fr;
        gap: 12px 16px;
        align-items: start;
        padding: 18px 18px;
      }

      .dimension-title {
        border-right: 0;
        padding-right: 0;
        padding-bottom: 8px;
        border-bottom: 1px dashed var(--line-soft);
      }

      .dimension-desc {
        grid-column: 2 / -1;
        padding-left: 0;
      }

      .process-grid {
        grid-template-columns: 1fr;
        max-width: 560px;
      }

      .cross-reference {
        grid-template-columns: 1fr;
      }

      .cross-visual {
        min-height: 230px;
      }

      .cross-visual::after {
        background: linear-gradient(180deg, transparent 15%, rgba(9, 12, 17, 0.88) 100%);
      }

      .cross-content {
        padding: 0 26px 30px;
      }

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

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

    @media (max-width: 767px) {
      body {
        font-size: 15px;
      }

      .container {
        padding-left: 16px;
        padding-right: 16px;
      }

      .section-pad {
        padding: 48px 0;
      }

      .page-hero {
        min-height: 470px;
        border-radius: 18px;
        margin-top: 14px;
      }

      .hero-content {
        padding-bottom: 34px;
      }

      .page-hero h1 {
        font-size: 28px;
      }

      .hero-desc {
        font-size: 15px;
      }

      .hero-actions .btn {
        width: 100%;
        margin-right: 0;
      }

      .quick-tape {
        padding-top: 16px;
      }

      .visual-cards-right {
        grid-template-columns: 1fr;
      }

      .feature-card {
        min-height: 210px;
      }

      .feature-card .feature-meta h3 {
        font-size: 22px;
      }

      .dimension-wrap {
        gap: 12px;
      }

      .dimension-item {
        grid-template-columns: 52px 1fr;
      }

      .dimension-desc {
        grid-column: 1 / -1;
      }

      .feature-meta p {
        font-size: 14px;
      }

      .faq-question {
        padding: 17px 18px;
        font-size: 15px;
      }

      .faq-answer-inner {
        padding: 0 18px 18px;
        font-size: 14px;
      }

      .cta-block {
        padding: 42px 20px;
      }

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

      .footer-top {
        grid-template-columns: 1fr;
        padding: 32px 0 22px;
      }

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

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        animation-duration: 0.01ms !important;
        transition: none !important;
        scroll-behavior: auto !important;
      }
    }

/* roulang page: article */
:root{
  --bg-0:#070C16;
  --bg-1:#0D1626;
  --bg-2:#111C30;
  --glass-bg:rgba(19, 31, 51, 0.58);
  --glass-strong:rgba(24, 38, 62, 0.72);
  --line:rgba(128, 174, 255, 0.16);
  --line-soft:rgba(128, 174, 255, 0.09);
  --text-strong:#EBF2FF;
  --text-body:#C3D2EA;
  --text-muted:#8599B8;
  --primary-blue:#4C7DFF;
  --accent-cyan:#55E6E0;
  --accent-gold:#F5B93D;
  --danger:#FF6B6B;
  --gold-soft:rgba(245, 185, 61, 0.16);
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:18px;
  --shadow-card:0 12px 32px rgba(0,0,0,0.25);
  --shadow-lift:0 18px 44px rgba(0,0,0,0.4);
  --header-h:78px;
  --max-w:1200px;
}
*,
*::before,
*::after{
  box-sizing:border-box;
  margin:0;
  padding:0;
}
html{
  scroll-behavior:smooth;
}
body{
  min-height:100vh;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-body);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(circle at 15% -5%, rgba(76, 125, 255, 0.13), transparent 28%),
    radial-gradient(circle at 85% 8%, rgba(85, 230, 224, 0.07), transparent 20%),
    radial-gradient(circle at 50% 120%, rgba(76, 125, 255, 0.08), transparent 26%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.008) 0, rgba(255, 255, 255, 0.008) 1px, transparent 1px, transparent 7px);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.is-lock{
  overflow:hidden;
}
a{
  color:var(--primary-blue);
  text-decoration:none;
  transition:color .22s ease, border-color .22s ease, background-color .22s ease;
}
a:hover{
  color:var(--accent-cyan);
}
img{
  display:block;
  max-width:100%;
  height:auto;
}
ul,ol{
  list-style:none;
}
button{
  font:inherit;
  color:inherit;
  background:none;
  border:0;
  cursor:pointer;
}
.container{
  width:min(100% - 40px, var(--max-w));
  margin-inline:auto;
}
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  height:var(--header-h);
  background:rgba(7, 12, 22, 0.72);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border-bottom:1px solid rgba(130, 175, 255, 0.12);
  transition:box-shadow .3s ease, border-color .3s ease;
}
.site-header.is-scrolled{
  border-bottom-color:rgba(130, 175, 255, 0.2);
  box-shadow:0 14px 34px rgba(0, 0, 0, 0.22);
}
.header-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  width:min(100% - 48px, 1280px);
  height:100%;
  margin-inline:auto;
}
.brand{
  position:absolute;
  left:50%;
  top:50%;
  transform:translate(-50%, -50%);
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  letter-spacing:.01em;
  white-space:nowrap;
  color:var(--text-strong);
  transition:color .2s ease, transform .2s ease;
}
.brand:hover{
  color:#fff;
}
.brand-icon{
  width:32px;
  height:32px;
  color:var(--accent-gold);
  filter:drop-shadow(0 0 8px rgba(245, 185, 61, 0.45));
}
.nav-links{
  display:flex;
  align-items:center;
  gap:0;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:var(--header-h);
  padding:0 16px;
  color:var(--text-body);
  font-size:15px;
  line-height:1;
  font-weight:500;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:16px;
  right:16px;
  bottom:-1px;
  height:2px;
  background:linear-gradient(90deg, transparent, var(--accent-gold), transparent);
  opacity:0;
  transform:scaleX(.5);
  transition:opacity .2s ease, transform .25s ease;
}
.nav-link:hover{
  color:var(--text-strong);
}
.nav-link:hover::after,
.nav-link.active::after{
  opacity:1;
  transform:scaleX(1);
}
.nav-link.active{
  color:#fff;
}
.site-nav-right{
  gap:2px;
}
.nav-toggle{
  display:none;
  position:relative;
  z-index:82;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:rgba(13, 22, 38, 0.6);
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:#B9CCE8;
  transition:transform .2s ease, opacity .2s ease;
}
.nav-toggle span + span{
  margin-top:4px;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){
  transform:translateY(6px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2){
  opacity:0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3){
  transform:translateY(-6px) rotate(-45deg);
}
.mobile-panel{
  position:fixed;
  inset:0;
  z-index:75;
  visibility:hidden;
  opacity:0;
  background:rgba(6, 10, 19, 0.92);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  transition:visibility .25s ease, opacity .25s ease;
}
.mobile-panel.is-open{
  visibility:visible;
  opacity:1;
}
.mobile-panel-nav{
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:10px;
  height:100%;
  padding:0 28px 64px;
}
.mobile-panel-link{
  position:relative;
  display:block;
  min-height:48px;
  line-height:48px;
  font-size:22px;
  font-weight:700;
  color:var(--text-strong);
  border-bottom:1px solid rgba(130, 175, 255, 0.08);
}
.mobile-panel-link.active::before{
  content:"◆";
  color:var(--accent-gold);
  font-size:13px;
  margin-right:10px;
  vertical-align:2px;
}
.mobile-panel-sub{
  margin-top:6px;
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}
.mobile-panel-sub a{
  font-size:13px;
  padding:4px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  color:var(--text-body);
}
.mobile-panel-sub a:hover{
  border-color:var(--accent-cyan);
  color:var(--accent-cyan);
}
.site-main{
  min-height:calc(100vh - 360px);
}
.article-wrap{
  padding:42px 0 52px;
}
.breadcrumb{
  max-width:900px;
  margin:0 auto 34px;
}
.breadcrumb ol{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:6px;
  font-size:13px;
  color:var(--text-muted);
}
.breadcrumb li{
  display:inline-flex;
  align-items:center;
  gap:7px;
}
.breadcrumb li + li::before{
  content:"/";
  color:rgba(133, 153, 184, 0.55);
  font-size:11px;
}
.breadcrumb a{
  color:var(--text-muted);
  border-bottom:1px solid transparent;
  transition:color .2s ease, border-color .2s ease;
}
.breadcrumb a:hover{
  color:var(--text-strong);
  border-bottom-color:rgba(130, 175, 255, 0.24);
}
.breadcrumb [aria-current="page"]{
  color:var(--text-body);
}
.article-card{
  max-width:900px;
  margin-inline:auto;
  position:relative;
}
.article-heading{
  text-align:center;
  margin-bottom:28px;
}
.article-kicker{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:18px;
  font-size:13px;
}
.article-tag{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 12px;
  border:1px solid rgba(85, 230, 224, 0.32);
  border-radius:6px;
  background:rgba(85, 230, 224, 0.07);
  color:var(--accent-cyan);
  font-weight:600;
}
.article-heading h1{
  font-size:clamp(1.7rem, 0.95rem + 2.1vw, 2.65rem);
  font-weight:800;
  line-height:1.35;
  color:var(--text-strong);
  letter-spacing:.005em;
  text-wrap:balance;
}
.article-meta{
  display:flex;
  justify-content:center;
  align-items:center;
  flex-wrap:wrap;
  gap:6px 18px;
  margin-top:18px;
  font-size:13px;
  color:var(--text-muted);
}
.meta-item{
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.meta-line{
  width:3px;
  height:3px;
  border-radius:50%;
  background:rgba(133, 153, 184, 0.6);
}
.meta-avatar{
  width:22px;
  height:22px;
  border-radius:50%;
  border:1px solid var(--line);
}
.article-lead{
  max-width:760px;
  margin:0 auto 32px;
  padding:18px 22px 19px;
  background:linear-gradient(135deg, rgba(130, 175, 255, 0.02), rgba(130, 175, 255, 0.06));
  border-left:1px solid var(--line);
  border-right:1px solid var(--line);
  border-top:1px solid rgba(130, 175, 255, 0.06);
  border-bottom:1px solid rgba(130, 175, 255, 0.12);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  text-align:center;
  font-size:15px;
  line-height:1.85;
  color:var(--text-body);
}
.article-cover{
  position:relative;
  overflow:hidden;
  margin-bottom:40px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.article-cover img{
  width:100%;
  aspect-ratio:16/8;
  object-fit:cover;
}
.article-cover::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  border-radius:inherit;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,0.06);
}
.article-body{
  max-width:780px;
  margin-inline:auto;
}
.rich-text{
  font-size:16px;
  line-height:1.9;
  color:var(--text-body);
  word-break:break-word;
}
.rich-text > * + *{
  margin-top:1.35em;
}
.rich-text p{
  margin-bottom:1.35em;
}
.rich-text strong{
  color:var(--text-strong);
  font-weight:600;
}
.rich-text a{
  color:var(--accent-cyan);
  text-decoration:underline;
  text-underline-offset:4px;
}
.rich-text a:hover{
  color:#A6FFFF;
}
.rich-text h2,
.rich-text h3,
.rich-text h4{
  color:var(--text-strong);
  line-height:1.5;
  font-weight:700;
  letter-spacing:.01em;
}
.rich-text h2{
  position:relative;
  padding-left:16px;
  margin:44px 0 17px;
  font-size:25px;
}
.rich-text h2::before{
  content:"";
  position:absolute;
  left:1px;
  top:.34em;
  bottom:.26em;
  width:4px;
  border-radius:3px;
  background:linear-gradient(180deg, var(--accent-cyan), rgba(85,230,224,.35));
}
.rich-text h3{
  margin:34px 0 14px;
  font-size:20px;
}
.rich-text h4{
  margin:24px 0 12px;
  font-size:17px;
}
.rich-text img{
  width:auto;
  max-width:100%;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.rich-text blockquote{
  position:relative;
  margin:28px auto;
  padding:18px 22px 18px 26px;
  background:rgba(245, 185, 61, 0.07);
  border:1px solid rgba(245, 185, 61, 0.12);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
}
.rich-text blockquote::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:3px;
  border-radius:3px;
  background:var(--accent-gold);
}
.rich-text blockquote p{
  margin:0;
  color:var(--text-body);
}
.rich-text pre{
  overflow-x:auto;
  margin:28px 0;
  padding:18px 20px;
  background:#070B13;
  border:1px solid rgba(130, 175, 255, 0.14);
  border-radius:10px;
  font-family:"JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size:13px;
  line-height:1.75;
  color:#C7DEF1;
  box-shadow:inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.rich-text code{
  font-family:"JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  background:rgba(85, 230, 224, 0.1);
  color:var(--accent-cyan);
  padding:2px 6px;
  border-radius:4px;
  font-size:.9em;
}
.rich-text pre code{
  padding:0;
  color:inherit;
  background:transparent;
}
.rich-text table{
  width:100%;
  border-collapse:collapse;
  margin:28px 0;
  font-size:14px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  overflow:hidden;
}
.rich-text th,
.rich-text td{
  padding:11px 14px;
  border-bottom:1px solid rgba(130, 175, 255, 0.12);
  text-align:left;
}
.rich-text th{
  background:rgba(76, 125, 255, 0.08);
  color:var(--text-strong);
  font-weight:600;
  white-space:nowrap;
}
.rich-text ul,
.rich-text ol{
  padding-left:1.4em;
  margin-bottom:1.4em;
}
.rich-text ul li,
.rich-text ol li{
  position:relative;
  margin-top:.55em;
  padding-left:.35em;
}
.rich-text ul li::before{
  content:"";
  position:absolute;
  left:-.85em;
  top:.72em;
  width:6px;
  height:6px;
  border-radius:2px;
  background:var(--accent-cyan);
  opacity:.75;
}
.rich-text ol{
  list-style:decimal;
}
.rich-text ol li::marker{
  color:var(--accent-cyan);
}
.article-divider{
  position:relative;
  height:0;
  margin:56px 0 46px;
  border-top:1px solid rgba(130, 175, 255, 0.1);
}
.article-footer-box{
  margin-top:44px;
  padding-top:28px;
  border-top:1px solid rgba(130, 175, 255, 0.12);
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:16px;
}
.article-footer-box a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-muted);
  height:48px;
}
.article-footer-box a:hover{
  color:var(--accent-cyan);
}
.btn-back{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:7px;
  height:46px;
  width:auto;
  padding:0 20px;
  border-radius:10px;
  background:rgba(18,31,51,.6);
  border:1px solid var(--line);
  color:var(--text-body);
  font-size:14px;
  transition:all .2s ease;
}
.btn-back:hover{
  color:var(--text-strong);
  border-color:var(--accent-cyan);
  transform:translateY(-2px);
}
.empty-article{
  max-width:900px;
  margin:48px auto;
}
.no-article-card{
  padding:76px 28px 70px;
  text-align:center;
  background:linear-gradient(145deg, var(--glass-bg), rgba(10, 18, 29, 0.62));
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  -webkit-backdrop-filter:blur(16px) saturate(130%);
  backdrop-filter:blur(16px) saturate(130%);
  box-shadow:var(--shadow-card);
}
.no-article-icon{
  width:84px;
  height:84px;
  margin:0 auto 22px;
  padding:18px;
  border:1px solid rgba(130, 175, 255, 0.2);
  border-radius:22px;
  background:rgba(13,22,38,.5);
  color:rgba(195,210,234,.7);
}
.no-article-card h1{
  font-size:2rem;
  color:var(--text-strong);
  margin-bottom:15px;
}
.no-article-card p{
  max-width:430px;
  margin:0 auto 30px;
  color:var(--text-muted);
  font-size:15px;
  line-height:1.85;
}
.site-footer{
  position:relative;
  z-index:4;
  padding:58px 0 24px;
  background:linear-gradient(180deg, rgba(10, 17, 29, 0.85), rgba(6, 10, 19, 0.96));
  border-top:1px solid rgba(130, 175, 255, 0.1);
}
.footer-top{
  display:grid;
  grid-template-columns:1.2fr .7fr .6fr;
  gap:48px;
}
.brand-in-footer{
  display:inline-flex;
  align-items:center;
  gap:11px;
  font-size:19px;
  font-weight:800;
  color:var(--text-strong);
}
.brand-in-footer:hover{
  color:#fff;
}
.footer-brand p{
  margin-top:14px;
  font-size:14px;
  line-height:1.8;
  color:var(--text-muted);
  max-width:380px;
}
.footer-col h3{
  margin-bottom:15px;
  font-size:15px;
  font-weight:600;
  color:var(--text-strong);
}
.footer-col li{
  margin-bottom:11px;
}
.footer-col a{
  font-size:14px;
  color:var(--text-muted);
  transition:color .2s ease, padding-left .2s ease;
}
.footer-col a:hover{
  color:var(--accent-cyan);
  padding-left:3px;
}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  margin-top:44px;
  padding-top:18px;
  border-top:1px solid rgba(130, 175, 255, 0.08);
  font-size:12px;
  color:rgba(133, 153, 184, 0.85);
}
.btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:52px;
  padding:0 26px;
  border-radius:12px;
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn-primary{
  color:#241900;
  background:linear-gradient(180deg, #FFD070, #F5B93D);
  border-color:rgba(255, 226, 158, 0.6);
  box-shadow:0 0 26px rgba(245, 185, 61, 0.3), inset 0 1px 0 rgba(255,255,255,.5);
}
.btn-primary:hover{
  background:linear-gradient(180deg, #FFDC8F, #F7C151);
  color:#161100;
  box-shadow:0 0 38px rgba(245, 185, 61, 0.5), inset 0 1px 0 rgba(255,255,255,.5);
  transform:translateY(-2px);
}
.btn-primary:active{
  transform:scale(.98);
  box-shadow:0 0 16px rgba(245, 185, 61, .2);
}
.btn-primary:focus-visible,
.btn-back:focus-visible,
a:focus-visible{
  outline:2px solid var(--accent-cyan);
  outline-offset:3px;
}
.btn-outline{
  background:rgba(20, 32, 51, 0.5);
  border:1px solid rgba(128, 174, 255, 0.3);
  color:var(--accent-cyan);
}
.btn-outline:hover{
  border-color:var(--accent-cyan);
  background:rgba(85, 230, 224, 0.08);
  color:var(--accent-cyan);
}
@media (max-width:1024px){
  .nav-links{
    display:none;
  }
  .nav-toggle{
    display:flex;
    margin-left:calc((100vw - 100%) / -40);
  }
  .footer-top{
    grid-template-columns:1fr 1fr;
    gap:32px;
  }
}
@media (max-width:767px){
  .article-wrap{
    padding:22px 0 42px;
  }
  .breadcrumb{
    margin-bottom:26px;
  }
  .article-cover img{
    aspect-ratio:16/10;
  }
  .rich-text{
    font-size:15px;
  }
  .rich-text h2{
    font-size:21px;
    margin-top:36px;
  }
  .rich-text h3{
    font-size:18px;
  }
  .no-article-card{
    padding:44px 20px 42px;
  }
  .footer-top{
    grid-template-columns:1fr;
    gap:26px;
  }
  .footer-bottom{
    flex-direction:column;
    align-items:flex-start;
  }
}
@media (max-width:520px){
  .container{
    width:min(100% - 24px, var(--max-w));
  }
  .brand{
    font-size:15px;
    gap:7px;
  }
  .brand-icon{
    width:28px;
    height:28px;
  }
  .article-heading h1{
    font-size:24px;
  }
  .article-lead{
    font-size:14px;
    padding:15px 16px 16px;
  }
  .article-footer-box{
    flex-direction:column;
    align-items:stretch;
  }
  .btn-back{
    width:100%;
  }
  .rich-text table{
    display:block;
    overflow-x:auto;
    white-space:nowrap;
  }
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))){
  .site-header{
    background:rgba(10, 16, 26, .95);
  }
  .no-article-card,
  .article-cover{
    background:#101A2B;
  }
}

/* roulang page: category2 */
:root {
  --bg-0: #070C16;
  --bg-1: #0D1626;
  --glass-bg: rgba(20, 31, 50, 0.58);
  --glass-solid: #101A2B;
  --line: rgba(128, 174, 255, 0.16);
  --line-strong: rgba(128, 174, 255, 0.28);
  --text-strong: #EBF2FF;
  --text-body: #C3D2EA;
  --text-muted: #8599B8;
  --primary-blue: #4C7DFF;
  --accent-cyan: #55E6E0;
  --accent-gold: #F5B93D;
  --danger: #FF6B6B;
  --radius-s: 8px;
  --radius-m: 10px;
  --radius-l: 16px;
  --shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.38);
  --max-width: 1200px;
  --max-width-wide: 1320px;
  --space-section: 96px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 15% 8%, rgba(76, 125, 255, 0.12), transparent 28%),
    radial-gradient(circle at 88% 22%, rgba(85, 230, 224, 0.08), transparent 22%),
    var(--bg-0);
  color: var(--text-body);
  font-size: 16px;
  line-height: 1.8;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at 0% 100%, rgba(30, 48, 78, 0.24), transparent 38%),
    radial-gradient(circle at 100% 90%, rgba(55, 80, 120, 0.12), transparent 34%);
}

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

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

ul, ol, dl, dd {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

h1, h2, h3, h4 {
  color: var(--text-strong);
  line-height: 1.28;
}

h1 {
  font-size: clamp(1.8rem, 0.9rem + 3.2vw, 3.2rem);
  font-weight: 800;
  letter-spacing: 0;
}

h2 {
  font-size: clamp(1.35rem, 1rem + 1.6vw, 2.2rem);
  font-weight: 700;
}

h3 {
  font-size: 1.18rem;
  font-weight: 600;
}

p {
  color: var(--text-body);
}

.container {
  width: min(var(--max-width), calc(100% - 40px));
  margin-inline: auto;
}

.section {
  padding: var(--space-section) 0;
}

.section-head {
  margin-bottom: 44px;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
}

.section-head .inner {
  max-width: 760px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  color: var(--accent-cyan);
  font-size: 13px;
  font-weight: 600;
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--accent-cyan);
  border-radius: 99px;
  opacity: 0.8;
}

.glass {
  position: relative;
  background: var(--glass-bg);
  border: 1px solid rgba(128, 174, 255, 0.14);
  border-radius: var(--radius-l);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.07),
    inset 0 -1px 0 rgba(255, 255, 255, 0.025),
    var(--shadow);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
}

.glass::before {
  content: "";
  position: absolute;
  top: 0;
  left: 18px;
  right: 18px;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(85, 230, 224, 0.85), transparent);
  opacity: 0.55;
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass, .site-header, .review-card, .mobile-nav, .category-hero {
    background: var(--glass-solid) !important;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease, background 0.24s ease;
}

.btn:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
}

.btn:active {
  transform: scale(0.97);
}

.btn-gold {
  background: linear-gradient(180deg, #FFD470 0%, var(--accent-gold) 100%);
  color: #0B101C;
  border-color: rgba(255, 215, 130, 0.5);
  box-shadow:
    0 0 0 1px rgba(245, 185, 61, 0.2),
    0 8px 24px rgba(245, 185, 61, 0.24),
    0 2px 6px rgba(0, 0, 0, 0.2);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow:
    0 0 0 1px rgba(245, 185, 61, 0.35),
    0 12px 30px rgba(245, 185, 61, 0.32),
    0 3px 8px rgba(0, 0, 0, 0.2);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line-strong);
  color: #DCE8FF;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent-cyan);
  color: var(--text-strong);
  transform: translateY(-2px);
}

.btn-lg {
  min-height: 54px;
  padding: 0 34px;
  font-size: 16px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--text-muted);
  font-size: 13px;
}

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

.breadcrumb a:hover {
  color: var(--text-strong);
}

.breadcrumb strong {
  color: var(--accent-cyan);
  font-weight: 600;
}

.breadcrumb span {
  opacity: 0.6;
}

.skip-link {
  position: fixed;
  top: -80px;
  left: 12px;
  z-index: 3000;
  padding: 10px 16px;
  background: var(--bg-1);
  color: var(--text-strong);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 10px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(7, 12, 22, 0.76);
  border-bottom: 1px solid rgba(128, 174, 255, 0.08);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header.is-scrolled {
  background: rgba(6, 10, 18, 0.9);
  border-bottom-color: var(--line);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.header-inner {
  position: relative;
  width: min(var(--max-width), calc(100% - 40px));
  min-height: 70px;
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
}

.side-nav {
  grid-row: 1;
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-left {
  grid-column: 1;
  justify-content: flex-start;
  justify-self: start;
}

.nav-right {
  grid-column: 3;
  justify-content: flex-end;
  justify-self: end;
}

.brand-lockup {
  grid-column: 2;
  grid-row: 1;
  justify-self: center;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 8px;
  color: var(--text-strong);
  white-space: nowrap;
}

.brand-mark {
  width: 26px;
  height: 26px;
  color: var(--accent-gold);
}

.brand-lockup .brand-name {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0;
  color: var(--text-strong);
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 15px;
  color: var(--text-body);
  font-size: 15px;
  border-radius: 999px;
  transition: color 0.2s ease, background 0.2s ease;
}

.nav-link:hover {
  color: var(--text-strong);
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
  color: var(--text-strong);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 3px;
  height: 2px;
  border-radius: 99px;
  background: var(--accent-gold);
  box-shadow: 0 0 8px rgba(245, 185, 61, 0.4);
}

.menu-toggle {
  display: none;
  grid-column: 3;
  grid-row: 1;
  align-items: center;
  justify-content: center;
  justify-self: end;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-strong);
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.menu-toggle:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent-cyan);
}

.menu-toggle:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}

.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
  display: flex;
  flex-direction: column;
  padding: 96px 28px 40px;
  opacity: 0;
  visibility: hidden;
  overflow-y: auto;
  background: rgba(7, 12, 22, 0.97);
  background-image: radial-gradient(circle at 80% 10%, rgba(76, 125, 255, 0.14), transparent 30%);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  transition: opacity 0.28s ease, visibility 0.28s ease;
}

.mobile-nav.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav a {
  display: flex;
  align-items: center;
  min-height: 54px;
  padding: 0 8px;
  font-size: 21px;
  font-weight: 700;
  color: var(--text-body);
  border-bottom: 1px solid rgba(128, 174, 255, 0.12);
  transition: color 0.2s ease, padding-left 0.2s ease, background 0.2s ease;
}

.mobile-nav a:hover,
.mobile-nav a.active {
  color: var(--text-strong);
  background: rgba(85, 230, 224, 0.06);
}

.mobile-nav a.active {
  padding-left: 18px;
  color: var(--accent-gold);
}

.category-hero {
  position: relative;
  padding: 118px 0 46px;
  margin-top: -1px;
  background:
    linear-gradient(180deg, rgba(6, 10, 18, 0.82) 0%, rgba(7, 12, 22, 0.72) 100%),
    url("/assets/images/backpic/back-2.png") center 20% / cover no-repeat;
  border-bottom: 1px solid rgba(128, 174, 255, 0.1);
}

.category-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 82% 20%, rgba(85, 230, 224, 0.14), transparent 28%),
    radial-gradient(circle at 16% 88%, rgba(76, 125, 255, 0.16), transparent 32%);
}

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

.hero-copy {
  max-width: 860px;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  margin-bottom: 18px;
  background: rgba(85, 230, 224, 0.08);
  border: 1px solid rgba(85, 230, 224, 0.18);
  border-radius: 999px;
  color: var(--accent-cyan);
  font-size: 13px;
  font-weight: 600;
}

.hero-copy p {
  max-width: 760px;
  margin-top: 22px;
  color: var(--text-body);
  font-size: 17px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 32px;
}

.hero-proofs {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  margin-top: 52px;
  padding-top: 22px;
  border-top: 1px solid rgba(128, 174, 255, 0.14);
}

.hero-proofs li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 14px;
}

.hero-proofs strong {
  display: block;
  color: var(--text-strong);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.hero-proofs svg {
  width: 20px;
  height: 20px;
  stroke: var(--accent-gold);
  opacity: 0.85;
}

.hero-proofs span {
  color: var(--text-muted);
}

.rating-section {
  background: linear-gradient(180deg, rgba(13, 22, 38, 0.3), rgba(7, 12, 22, 0.4));
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 24px;
}

.honor-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 36px;
}

.honor-panel-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 22px;
  align-items: flex-start;
}

.score-summary {
  display: flex;
  align-items: center;
  gap: 20px;
}

.score-visual {
  position: relative;
  width: 126px;
  height: 126px;
  flex: 0 0 auto;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: conic-gradient(var(--accent-cyan) 0 86%, rgba(255, 255, 255, 0.08) 86% 100%);
  box-shadow: 0 0 30px rgba(85, 230, 224, 0.1);
}

.score-visual::before {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: inherit;
  background: var(--bg-0);
}

.score-visual::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: inherit;
  border: 1px solid rgba(85, 230, 224, 0.3);
}

.score-value {
  position: relative;
  z-index: 1;
  color: var(--text-strong);
  font-size: 44px;
  font-weight: 800;
  line-height: 1;
  text-align: center;
}

.score-value em {
  display: block;
  margin-top: 7px;
  color: var(--text-muted);
  font-size: 11px;
  font-style: normal;
  font-weight: 500;
}

.score-copy .title {
  color: var(--text-strong);
  font-size: 20px;
  font-weight: 700;
}

.score-copy .title small {
  display: block;
  margin-top: 6px;
  color: var(--text-body);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.7;
}

.metric-title {
  margin-top: 32px;
  padding-top: 22px;
  border-top: 1px solid rgba(128, 174, 255, 0.1);
  color: var(--text-strong);
  font-size: 15px;
  font-weight: 600;
}

.metric-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 30px;
  margin-top: 16px;
}

.metric-list li {
  min-width: 0;
}

.metric-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
  color: var(--text-body);
  font-size: 14px;
}

.metric-top b {
  color: var(--accent-cyan);
  font-weight: 700;
  font-size: 15px;
}

.bar {
  height: 5px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 99px;
}

.bar-fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary-blue), var(--accent-cyan));
}

.w-84 { width: 84%; }
.w-88 { width: 88%; }
.w-92 { width: 92%; }
.w-82 { width: 82%; }

.honor-footnote {
  margin-top: 20px;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.7;
}

.aside-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
}

.aside-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  object-position: center 30%;
}

.aside-body {
  flex: 1;
  padding: 28px 30px 30px;
}

.aside-body h3 {
  margin-bottom: 12px;
  color: var(--text-strong);
  font-size: 19px;
  font-weight: 700;
}

.aside-body p {
  color: var(--text-body);
  font-size: 15px;
}

.aside-list {
  margin-top: 14px;
}

.aside-list li {
  position: relative;
  padding-left: 22px;
  margin-top: 10px;
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.8;
}

.aside-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.86em;
  width: 8px;
  height: 8px;
  border: 1px solid var(--accent-cyan);
  border-radius: 3px;
  transform: rotate(45deg);
}

.review-section {
  background: rgba(10, 18, 32, 0.5);
}

.review-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.review-card {
  position: relative;
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  padding: 28px 30px;
  background: rgba(17, 27, 44, 0.72);
  border: 1px solid rgba(128, 174, 255, 0.13);
  border-radius: var(--radius-l);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), var(--shadow);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.review-card:hover {
  transform: translateY(-3px);
  border-color: rgba(85, 230, 224, 0.38);
  background: rgba(20, 32, 52, 0.82);
}

.review-score {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 8px 16px 6px 0;
  border-right: 1px solid rgba(128, 174, 255, 0.16);
}

.review-score strong {
  color: var(--text-strong);
  font-size: 32px;
  font-weight: 800;
  line-height: 1;
}

.review-score span {
  color: var(--text-muted);
  font-size: 12px;
}

.review-main p {
  margin-top: 8px;
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.85;
}

.review-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.review-user {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-strong);
  font-weight: 600;
  font-size: 14px;
}

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(76, 125, 255, 0.18);
  border: 1px solid rgba(76, 125, 255, 0.3);
  color: var(--primary-blue);
  font-size: 12px;
  font-weight: 700;
}

.review-source {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(128, 174, 255, 0.16);
  color: var(--text-muted);
  font-size: 12px;
}

.stars {
  position: relative;
  display: inline-block;
  color: rgba(255, 255, 255, 0.16);
  font-size: 15px;
  line-height: 1;
  letter-spacing: 3px;
}

.stars::before {
  content: "★★★★★";
}

.stars::after {
  content: "★★★★★";
  position: absolute;
  left: 0;
  top: 0;
  overflow: hidden;
  color: var(--accent-gold);
  text-shadow: 0 0 8px rgba(245, 185, 61, 0.4);
}

.stars.s90::after { width: 90%; }
.stars.s84::after { width: 84%; }
.stars.s94::after { width: 94%; }
.stars.s80::after { width: 80%; }

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 36px;
}

.tag-cloud li {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(128, 174, 255, 0.2);
  border-radius: 999px;
  color: var(--text-body);
  font-size: 14px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.tag-cloud li:hover {
  border-color: rgba(85, 230, 224, 0.5);
  color: var(--text-strong);
}

.faq-section .glass {
  padding: 8px 34px 24px;
}

.faq-box {
  border-bottom: 1px solid rgba(128, 174, 255, 0.1);
}

.faq-box:last-child {
  border-bottom: 0;
}

.faq-box summary {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 66px;
  padding: 20px 44px 20px 0;
  color: var(--text-strong);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  transition: color 0.2s ease;
}

.faq-box summary::-webkit-details-marker {
  display: none;
}

.faq-box summary:hover {
  color: var(--accent-cyan);
}

.faq-box summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 50%;
  width: 28px;
  height: 28px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 400;
  color: var(--text-body);
  background: rgba(255, 255, 255, 0.03);
  transform: translateY(-50%);
  transition: transform 0.28s ease, color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.faq-box[open] summary {
  color: var(--text-strong);
}

.faq-box[open] summary::after {
  content: "×";
  transform: translateY(-50%) rotate(45deg);
  border-color: var(--accent-cyan);
  background: rgba(85, 230, 224, 0.1);
  color: var(--accent-cyan);
}

.faq-answer {
  padding: 0 38px 24px 0;
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.9;
}

.cta-section {
  padding: 0 0 100px;
}

.cta-panel {
  position: relative;
  overflow: hidden;
  padding: 62px 48px;
  text-align: center;
  background:
    linear-gradient(180deg, rgba(7, 12, 22, 0.78), rgba(13, 22, 38, 0.78)),
    url("/assets/images/backpic/back-3.webp") center center / cover no-repeat;
  border: 1px solid rgba(245, 185, 61, 0.2);
  border-radius: var(--radius-l);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.35);
}

.cta-panel::before,
.cta-panel::after {
  content: "";
  position: absolute;
  top: 18px;
  bottom: 18px;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(245, 185, 61, 0.7), transparent);
  opacity: 0.7;
}

.cta-panel::before {
  left: 28px;
}

.cta-panel::after {
  right: 28px;
}

.cta-panel h2 {
  position: relative;
  z-index: 1;
}

.cta-panel p {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 16px auto 30px;
  font-size: 16px;
}

.cta-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.cta-note {
  position: relative;
  z-index: 1;
  margin-top: 22px;
  color: var(--text-muted);
  font-size: 13px;
}

.site-footer {
  margin-top: 24px;
  background: rgba(8, 14, 25, 0.92);
  border-top: 1px solid rgba(128, 174, 255, 0.1);
}

.site-footer .container {
  padding: 58px 0 30px;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.9fr) minmax(0, 0.9fr);
  gap: 34px;
  align-items: start;
}

.footer-brand {
  max-width: 440px;
}

.brand-in-footer {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--text-strong);
  font-size: 18px;
  font-weight: 800;
  white-space: nowrap;
}

.brand-in-footer svg {
  width: 26px;
  height: 26px;
  color: var(--accent-gold);
}

.footer-brand p {
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.9;
}

.footer-col h3 {
  margin-bottom: 16px;
  color: var(--text-strong);
  font-size: 15px;
  font-weight: 700;
}

.footer-col ul li {
  padding: 5px 0;
}

.footer-col ul a {
  color: var(--text-body);
  font-size: 14px;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-col ul a:hover {
  color: var(--accent-cyan);
  padding-left: 5px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  justify-content: space-between;
  padding-top: 26px;
  margin-top: 36px;
  border-top: 1px solid rgba(128, 174, 255, 0.1);
  color: var(--text-muted);
  font-size: 13px;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 13px;
}

@media (min-width: 1440px) {
  .container {
    width: min(var(--max-width-wide), calc(100% - 56px));
  }

  .header-inner {
    width: min(var(--max-width-wide), calc(100% - 56px));
  }
}

@media (max-width: 1024px) {
  :root {
    --space-section: 76px;
  }

  .split-layout {
    grid-template-columns: 1fr 1fr;
  }

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

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

@media (max-width: 920px) {
  .side-nav {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .brand-lockup .brand-name {
    font-size: 16px;
  }

  .brand-mark {
    width: 24px;
    height: 24px;
  }

  .header-inner {
    min-height: 62px;
  }
}

@media (max-width: 767px) {
  :root {
    --space-section: 56px;
  }

  .container {
    width: min(100% - 28px, 100%);
  }

  .header-inner {
    width: min(100% - 24px, 100%);
  }

  .category-hero {
    padding: 92px 0 32px;
  }

  .hero-copy p {
    font-size: 15px;
  }

  .hero-proofs {
    gap: 16px 18px;
    margin-top: 34px;
    padding-top: 16px;
  }

  .split-layout {
    grid-template-columns: 1fr;
  }

  .honor-panel {
    padding: 26px 22px;
  }

  .score-summary {
    flex-direction: column;
    align-items: flex-start;
  }

  .metric-list {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .review-card {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 22px 18px;
  }

  .review-score {
    flex-direction: row;
    align-items: baseline;
    gap: 8px;
    border-right: 0;
    border-bottom: 1px solid rgba(128, 174, 255, 0.14);
    padding: 0 0 10px;
  }

  .review-score strong {
    font-size: 24px;
  }

  .review-main p {
    font-size: 14px;
  }

  .faq-section .glass {
    padding: 6px 18px 16px;
  }

  .faq-answer {
    font-size: 14px;
  }

  .cta-panel {
    padding: 46px 22px;
    border-radius: 12px;
  }

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

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

  .footer-brand {
    grid-column: 1;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

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

  .rating-section .btn {
    width: auto;
  }

  .brand-lockup {
    gap: 6px;
  }

  .brand-lockup .brand-name {
    font-size: 15px;
  }
}