/* =========================================================
   Aurora 星曜流光 — 官网门户模版
   玻璃拟态 × 极光渐变 · 现代大气 SaaS 门户
   自研动画（滚动揭示 / 磁吸 / 视差），无 AOS 依赖
   ========================================================= */

:root {
  --au-bg: #060814;
  --au-bg-soft: #0b0f22;
  --au-panel: rgba(255, 255, 255, 0.04);
  --au-panel-2: rgba(255, 255, 255, 0.06);
  --au-line: rgba(255, 255, 255, 0.09);
  --au-line-strong: rgba(255, 255, 255, 0.16);
  --au-text: #eef1ff;
  --au-muted: #9aa3c7;
  --au-faint: #6b7398;

  --au-violet: #7c5cff;
  --au-indigo: #4f7cff;
  --au-cyan: #22d3ee;
  --au-magenta: #ff5c9d;
  --au-mint: #34e0b0;

  --au-grad: linear-gradient(120deg, #7c5cff 0%, #4f7cff 40%, #22d3ee 100%);
  --au-grad-warm: linear-gradient(120deg, #ff5c9d 0%, #7c5cff 100%);
  --au-glow: 0 0 0 1px var(--au-line-strong), 0 24px 60px -24px rgba(80, 90, 255, 0.55);

  --au-display: "Sora", "Plus Jakarta Sans", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --au-body: "Manrope", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;

  --au-radius: 20px;
  --au-radius-lg: 28px;
  --au-container: 1200px;
  --au-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body.au-body {
  margin: 0;
  font-family: var(--au-body);
  color: var(--au-text);
  background: var(--au-bg);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--au-display); font-weight: 700; line-height: 1.1; margin: 0; letter-spacing: -0.02em; }
p { margin: 0; }

/* 背景全局极光光晕 */
body.au-body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(60% 50% at 15% 0%, rgba(124, 92, 255, 0.22), transparent 60%),
    radial-gradient(50% 45% at 100% 20%, rgba(34, 211, 238, 0.16), transparent 60%),
    radial-gradient(60% 50% at 50% 120%, rgba(255, 92, 157, 0.12), transparent 60%);
}

.au-container { width: min(100% - 2.5rem, var(--au-container)); margin-inline: auto; }
main { position: relative; z-index: 1; }

.au-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--au-display);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--au-cyan);
  margin: 0;
}
.au-kicker i {
  width: 26px; height: 2px; border-radius: 2px;
  background: var(--au-grad);
}

.au-grad-text {
  background: var(--au-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ================= Buttons ================= */
.au-btn {
  --pad: 0.9rem 1.7rem;
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: var(--pad);
  border-radius: 999px;
  font-family: var(--au-display);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.5s var(--au-ease), box-shadow 0.5s var(--au-ease), background 0.4s, border-color 0.4s, color 0.4s;
  will-change: transform;
}
.au-btn:hover { transform: translateY(-3px); }
.au-btn--primary {
  background: var(--au-grad);
  color: #fff;
  box-shadow: 0 18px 40px -14px rgba(79, 124, 255, 0.7);
}
.au-btn--primary:hover { box-shadow: 0 26px 54px -14px rgba(124, 92, 255, 0.85); }
.au-btn--ghost {
  background: var(--au-panel);
  border-color: var(--au-line-strong);
  color: var(--au-text);
  backdrop-filter: blur(10px);
}
.au-btn--ghost:hover { border-color: var(--au-violet); background: var(--au-panel-2); }
.au-btn--light { background: #fff; color: #0b0f22; }
.au-btn-row { display: flex; flex-wrap: wrap; gap: 0.9rem; }

/* ================= Header / Nav ================= */
.au-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  transition: background 0.4s, border-color 0.4s, backdrop-filter 0.4s;
  border-bottom: 1px solid transparent;
}
.au-header.is-solid,
.au-header.au-header--page {
  background: rgba(6, 8, 20, 0.72);
  backdrop-filter: saturate(160%) blur(18px);
  border-bottom-color: var(--au-line);
}
.au-header__inner {
  width: min(100% - 2.5rem, var(--au-container));
  margin-inline: auto;
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.au-brand {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--au-display); font-weight: 700; font-size: 1.15rem;
  letter-spacing: -0.01em;
}
.au-brand img { width: 30px; height: 30px; border-radius: 9px; object-fit: cover; }
.au-brand__dot {
  width: 30px; height: 30px; border-radius: 10px;
  background: var(--au-grad);
  display: grid; place-items: center;
  font-size: 0.9rem; color: #fff; font-weight: 800;
  box-shadow: 0 8px 20px -6px rgba(124, 92, 255, 0.8);
}
.au-nav { display: flex; align-items: center; gap: 0.35rem; }
.au-nav > a {
  position: relative;
  padding: 0.5rem 0.9rem;
  font-size: 0.92rem;
  color: var(--au-muted);
  border-radius: 999px;
  transition: color 0.3s, background 0.3s;
}
.au-nav > a:hover { color: var(--au-text); }
.au-nav > a.is-active { color: var(--au-text); }
.au-nav > a.is-active::after {
  content: ""; position: absolute; left: 50%; bottom: 2px;
  width: 18px; height: 2px; border-radius: 2px; transform: translateX(-50%);
  background: var(--au-grad);
}
.au-nav__cta {
  margin-left: 0.5rem;
  padding: 0.55rem 1.2rem !important;
  color: #fff !important;
  background: var(--au-grad);
  border-radius: 999px;
  font-weight: 600;
  box-shadow: 0 12px 26px -12px rgba(79, 124, 255, 0.8);
  transition: transform 0.4s var(--au-ease), box-shadow 0.4s;
}
.au-nav__cta:hover { transform: translateY(-2px); }
.au-burger {
  display: none;
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--au-panel); border: 1px solid var(--au-line);
  position: relative; cursor: pointer;
}
.au-burger span, .au-burger span::before, .au-burger span::after {
  content: ""; position: absolute; left: 50%; width: 18px; height: 2px;
  background: var(--au-text); border-radius: 2px; transform: translateX(-50%);
  transition: transform 0.3s var(--au-ease), opacity 0.3s;
}
.au-burger span { top: 50%; margin-top: -1px; }
.au-burger span::before { top: -6px; }
.au-burger span::after { top: 6px; }
.au-burger.is-open span { background: transparent; }
.au-burger.is-open span::before { transform: translateX(-50%) translateY(6px) rotate(45deg); }
.au-burger.is-open span::after { transform: translateX(-50%) translateY(-6px) rotate(-45deg); }

.au-mobile {
  position: fixed; inset: 74px 0 auto 0; z-index: 49;
  background: rgba(8, 11, 26, 0.96);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--au-line);
  padding: 1rem 1.25rem 1.5rem;
  display: none; flex-direction: column; gap: 0.25rem;
  transform: translateY(-12px); opacity: 0;
  transition: transform 0.4s var(--au-ease), opacity 0.4s;
}
.au-mobile.is-open { display: flex; transform: translateY(0); opacity: 1; }
.au-mobile a { padding: 0.85rem 0.5rem; color: var(--au-muted); border-bottom: 1px solid var(--au-line); }
.au-mobile a:last-child { border-bottom: 0; color: var(--au-text); font-weight: 600; }

/* ================= Hero ================= */
.au-hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  padding: 120px 0 90px;
  overflow: hidden;
}
.au-hero__mesh {
  position: absolute; inset: -20% -10%; z-index: 0; pointer-events: none;
  background:
    radial-gradient(30% 40% at 20% 30%, rgba(124, 92, 255, 0.55), transparent 60%),
    radial-gradient(28% 36% at 78% 24%, rgba(34, 211, 238, 0.45), transparent 60%),
    radial-gradient(34% 40% at 60% 80%, rgba(255, 92, 157, 0.38), transparent 62%);
  filter: blur(40px);
  animation: au-mesh 18s ease-in-out infinite alternate;
}
@keyframes au-mesh {
  0%   { transform: translate3d(0,0,0) scale(1); }
  50%  { transform: translate3d(2%, -2%, 0) scale(1.08); }
  100% { transform: translate3d(-2%, 2%, 0) scale(1.04); }
}
.au-hero__grid {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(70% 60% at 50% 40%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 40%, #000 40%, transparent 100%);
}
.au-hero__orb {
  position: absolute; border-radius: 50%; z-index: 0; pointer-events: none;
  filter: blur(6px); opacity: 0.7;
  will-change: transform;
}
.au-hero__orb--1 { width: 260px; height: 260px; top: 14%; right: 8%; background: radial-gradient(circle at 30% 30%, rgba(124,92,255,0.9), transparent 70%); }
.au-hero__orb--2 { width: 180px; height: 180px; bottom: 12%; left: 6%; background: radial-gradient(circle at 30% 30%, rgba(34,211,238,0.8), transparent 70%); }
.au-hero__content { position: relative; z-index: 2; max-width: 860px; }
.au-hero__brand {
  font-family: var(--au-display); font-weight: 700; letter-spacing: 0.02em;
  color: var(--au-muted); margin: 1.1rem 0 0.4rem; font-size: 1.05rem;
}
.au-hero h1 {
  font-size: clamp(2.6rem, 6.2vw, 5rem);
  line-height: 1.04;
  margin: 0.4rem 0 1.2rem;
}
.au-hero__lead {
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
  color: var(--au-muted);
  max-width: 620px;
  margin-bottom: 2rem;
}
.au-hero__meta {
  display: flex; flex-wrap: wrap; gap: 1.8rem; margin-top: 2.6rem;
}
.au-hero__meta div { display: flex; flex-direction: column; }
.au-hero__meta b { font-family: var(--au-display); font-size: 1.9rem; line-height: 1; }
.au-hero__meta span { font-size: 0.82rem; color: var(--au-faint); margin-top: 0.35rem; }
.au-scroll-hint {
  position: absolute; left: 50%; bottom: 28px; z-index: 2;
  transform: translateX(-50%);
  font-family: var(--au-display); font-size: 0.7rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--au-faint);
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
}
.au-scroll-hint::after {
  content: ""; width: 1px; height: 34px;
  background: linear-gradient(var(--au-cyan), transparent);
  animation: au-scroll 1.8s ease-in-out infinite;
}
@keyframes au-scroll { 0%,100%{ opacity:.3; transform: scaleY(.6);} 50%{opacity:1; transform: scaleY(1);} }

/* ================= Section base ================= */
.au-section { position: relative; z-index: 1; padding: clamp(70px, 9vw, 130px) 0; }
.au-section--soft { background: linear-gradient(180deg, transparent, rgba(124,92,255,0.05), transparent); }
.au-section__head { max-width: 640px; margin: 0 auto 3.2rem; text-align: center; }
.au-section__head.is-left { margin-inline: 0; text-align: left; }
.au-section__head h2 { font-size: clamp(1.9rem, 3.6vw, 3rem); margin: 0.8rem 0 0.9rem; }
.au-section__head p { color: var(--au-muted); font-size: 1.05rem; }

/* ================= Feature grid ================= */
.au-feat-grid {
  display: grid; gap: 1.25rem;
  grid-template-columns: repeat(3, 1fr);
}
.au-feat {
  position: relative;
  padding: 2rem 1.8rem;
  border-radius: var(--au-radius);
  background: var(--au-panel);
  border: 1px solid var(--au-line);
  overflow: hidden;
  transition: transform 0.5s var(--au-ease), border-color 0.4s, background 0.4s;
}
.au-feat::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(120% 100% at 0 0, rgba(124,92,255,0.14), transparent 55%);
  opacity: 0; transition: opacity 0.5s;
}
.au-feat:hover { transform: translateY(-6px); border-color: var(--au-line-strong); background: var(--au-panel-2); }
.au-feat:hover::before { opacity: 1; }
.au-feat__icon {
  width: 52px; height: 52px; border-radius: 15px;
  display: grid; place-items: center; margin-bottom: 1.2rem;
  background: var(--au-grad); color: #fff;
  font-family: var(--au-display); font-weight: 700; font-size: 1.05rem;
  box-shadow: 0 14px 30px -12px rgba(124,92,255,0.8);
  position: relative; z-index: 1;
}
.au-feat h3 { font-size: 1.25rem; margin-bottom: 0.55rem; position: relative; z-index: 1; }
.au-feat p { color: var(--au-muted); font-size: 0.95rem; position: relative; z-index: 1; }

/* ================= Stats ================= */
.au-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
  padding: 2.4rem;
  border-radius: var(--au-radius-lg);
  background: var(--au-panel);
  border: 1px solid var(--au-line);
  backdrop-filter: blur(12px);
}
.au-stat { text-align: center; padding: 0.5rem; }
.au-stat b {
  display: block; font-family: var(--au-display); font-weight: 800;
  font-size: clamp(2rem, 4vw, 3rem); line-height: 1;
}
.au-stat span { color: var(--au-muted); font-size: 0.9rem; margin-top: 0.5rem; display: block; }

/* ================= Showcase (live demo) ================= */
.au-show { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 3rem; align-items: center; }
.au-show__visual {
  position: relative; border-radius: var(--au-radius-lg); overflow: hidden;
  border: 1px solid var(--au-line-strong);
  box-shadow: var(--au-glow);
  aspect-ratio: 10 / 12;
  background: #0a0e20;
}
.au-show__visual iframe { width: 100%; height: 100%; border: 0; display: block; }
.au-show__visual::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.05);
  border-radius: inherit;
}
.au-show__list { display: flex; flex-direction: column; gap: 0.9rem; margin: 1.6rem 0; }
.au-show__item {
  display: flex; align-items: flex-start; gap: 0.9rem;
  padding: 1rem 1.2rem; border-radius: 14px;
  background: var(--au-panel); border: 1px solid var(--au-line);
}
.au-show__item i {
  flex: none; width: 30px; height: 30px; border-radius: 9px; margin-top: 2px;
  background: var(--au-panel-2); display: grid; place-items: center;
  color: var(--au-cyan); font-style: normal; font-weight: 700; font-family: var(--au-display);
}
.au-show__item strong { display: block; font-family: var(--au-display); }
.au-show__item span { color: var(--au-muted); font-size: 0.9rem; }

/* ================= Product list ================= */
.au-list { display: flex; flex-direction: column; }
.au-list a {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.6rem 0.5rem;
  border-bottom: 1px solid var(--au-line);
  transition: padding 0.4s var(--au-ease), border-color 0.4s;
}
.au-list a:hover { padding-left: 1.4rem; border-bottom-color: var(--au-violet); }
.au-list a .au-list__no { font-family: var(--au-display); color: var(--au-faint); width: 44px; }
.au-list a strong { display: block; font-family: var(--au-display); font-size: 1.2rem; margin-bottom: 0.2rem; }
.au-list a small { color: var(--au-muted); font-size: 0.9rem; }
.au-list a .au-list__arrow { font-size: 1.3rem; color: var(--au-muted); transition: transform 0.4s var(--au-ease), color 0.4s; }
.au-list a:hover .au-list__arrow { transform: translateX(6px); color: var(--au-cyan); }
.au-list__main { display: flex; align-items: center; gap: 1rem; }

/* ================= Cards (marketplace) ================= */
.au-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.au-card {
  position: relative;
  display: flex; flex-direction: column;
  padding: 1.7rem;
  border-radius: var(--au-radius);
  background: var(--au-panel);
  border: 1px solid var(--au-line);
  overflow: hidden;
  transition: transform 0.5s var(--au-ease), border-color 0.4s, background 0.4s;
}
.au-card::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: var(--au-grad);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity 0.5s;
}
.au-card:hover { transform: translateY(-6px); background: var(--au-panel-2); }
.au-card:hover::after { opacity: 1; }
.au-card__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.1rem; }
.au-card__icon {
  width: 48px; height: 48px; border-radius: 14px;
  display: grid; place-items: center;
  font-family: var(--au-display); font-weight: 700; font-size: 1.2rem; color: #fff;
  background: var(--au-grad);
  box-shadow: 0 12px 26px -12px rgba(124,92,255,0.8);
}
.au-card__badge {
  font-size: 0.7rem; letter-spacing: 0.08em; padding: 0.28rem 0.7rem;
  border-radius: 999px; color: var(--au-cyan);
  background: rgba(34,211,238,0.1); border: 1px solid rgba(34,211,238,0.25);
}
.au-card h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
.au-card p { color: var(--au-muted); font-size: 0.92rem; flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.au-card__go { margin-top: 1.2rem; font-family: var(--au-display); font-size: 0.9rem; color: var(--au-text); display: inline-flex; align-items: center; gap: 0.4rem; }
.au-card__go span { transition: transform 0.4s var(--au-ease); }
.au-card:hover .au-card__go span { transform: translateX(5px); }

/* ================= Pricing ================= */
.au-price-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.25rem; }
.au-price {
  position: relative; padding: 2.2rem 1.9rem; border-radius: var(--au-radius-lg);
  background: var(--au-panel); border: 1px solid var(--au-line);
  transition: transform 0.5s var(--au-ease), border-color 0.4s;
}
.au-price:hover { transform: translateY(-6px); border-color: var(--au-line-strong); }
.au-price--feature { background: linear-gradient(180deg, rgba(124,92,255,0.16), rgba(34,211,238,0.06)); border-color: rgba(124,92,255,0.4); box-shadow: var(--au-glow); }
.au-price__tag { position: absolute; top: 1.4rem; right: 1.4rem; font-size: 0.7rem; letter-spacing: 0.1em; padding: 0.3rem 0.7rem; border-radius: 999px; background: var(--au-grad); color: #fff; }
.au-price h3 { font-size: 1.3rem; margin-bottom: 0.5rem; }
.au-price__desc { color: var(--au-muted); font-size: 0.9rem; min-height: 2.6rem; }
.au-price__amt { font-family: var(--au-display); font-size: 2.4rem; font-weight: 800; margin: 1rem 0 0.2rem; }
.au-price__amt small { font-size: 0.9rem; color: var(--au-faint); font-weight: 500; }
.au-price .au-btn { width: 100%; justify-content: center; margin-top: 1.5rem; }

/* ================= CTA ================= */
.au-cta { position: relative; z-index: 1; padding: clamp(70px, 9vw, 120px) 0; }
.au-cta__box {
  position: relative; overflow: hidden;
  border-radius: var(--au-radius-lg);
  padding: clamp(2.5rem, 5vw, 4.5rem);
  text-align: center;
  background: linear-gradient(120deg, rgba(124,92,255,0.2), rgba(34,211,238,0.12));
  border: 1px solid var(--au-line-strong);
}
.au-cta__box::before {
  content: ""; position: absolute; inset: -40%;
  background: radial-gradient(35% 40% at 30% 30%, rgba(124,92,255,0.5), transparent 60%),
              radial-gradient(35% 40% at 70% 70%, rgba(34,211,238,0.4), transparent 60%);
  filter: blur(50px); animation: au-mesh 16s ease-in-out infinite alternate;
}
.au-cta__box > * { position: relative; z-index: 1; }
.au-cta__box h2 { font-size: clamp(1.9rem, 4vw, 3.2rem); margin-bottom: 1rem; }
.au-cta__box p { color: var(--au-muted); max-width: 560px; margin: 0 auto 2rem; font-size: 1.05rem; }
.au-cta__box .au-btn-row { justify-content: center; }

/* ================= Footer ================= */
.au-footer { position: relative; z-index: 1; border-top: 1px solid var(--au-line); padding: 4rem 0 2rem; }
.au-footer__grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 2rem; }
.au-footer__brand { font-family: var(--au-display); font-weight: 700; font-size: 1.3rem; margin-bottom: 0.9rem; display: inline-flex; align-items: center; gap: 0.6rem; }
.au-footer p { color: var(--au-muted); font-size: 0.92rem; max-width: 320px; }
.au-footer h4 { font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--au-faint); margin-bottom: 1rem; }
.au-footer a { display: block; color: var(--au-muted); padding: 0.35rem 0; font-size: 0.92rem; transition: color 0.3s; }
.au-footer a:hover { color: var(--au-text); }
.au-footer__bottom {
  margin-top: 3rem; padding-top: 1.6rem; border-top: 1px solid var(--au-line);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.6rem;
  color: var(--au-faint); font-size: 0.85rem;
}

/* ================= Sub-page hero (plugins / detail) ================= */
.au-pagehead { position: relative; z-index: 1; padding: 140px 0 40px; overflow: hidden; }
.au-pagehead__glow {
  position: absolute; inset: -30% -10% auto; height: 400px; z-index: 0; pointer-events: none;
  background: radial-gradient(40% 60% at 30% 0, rgba(124,92,255,0.3), transparent 60%),
              radial-gradient(40% 60% at 75% 0, rgba(34,211,238,0.22), transparent 60%);
  filter: blur(30px);
}
.au-pagehead__inner { position: relative; z-index: 1; }
.au-pagehead h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); margin: 0.8rem 0 0.8rem; }
.au-pagehead p { color: var(--au-muted); max-width: 560px; }
.au-breadcrumb { color: var(--au-faint); font-size: 0.88rem; margin-bottom: 0.3rem; }
.au-breadcrumb a:hover { color: var(--au-text); }

/* Detail layout */
.au-detail { display: grid; grid-template-columns: 1.5fr 0.9fr; gap: 2.5rem; align-items: start; padding-bottom: 30px; }
.au-panel-card { background: var(--au-panel); border: 1px solid var(--au-line); border-radius: var(--au-radius); padding: 2rem; }
.au-detail__hero { display: flex; align-items: center; gap: 1.2rem; margin-bottom: 1.6rem; }
.au-detail__hero .au-card__icon { width: 64px; height: 64px; font-size: 1.5rem; border-radius: 18px; }
.au-detail__hero h1 { font-size: 1.9rem; }
.au-detail__desc { color: var(--au-muted); font-size: 1rem; line-height: 1.8; }
.au-side-cta { position: sticky; top: 100px; display: flex; flex-direction: column; gap: 1rem; }
.au-side-cta .au-btn { width: 100%; justify-content: center; }
.au-tag { display: inline-flex; padding: 0.3rem 0.8rem; border-radius: 999px; font-size: 0.8rem; background: var(--au-panel-2); border: 1px solid var(--au-line); color: var(--au-muted); margin: 0 0.4rem 0.4rem 0; }

/* ================= Docs / Help layout ================= */
.au-doc-shell { display: grid; grid-template-columns: 288px 1fr; gap: 2.5rem; align-items: start; padding-bottom: 40px; }
.au-doc-side { position: sticky; top: 100px; background: var(--au-panel); border: 1px solid var(--au-line); border-radius: var(--au-radius); padding: 1.4rem; max-height: calc(100vh - 130px); overflow-y: auto; }
.au-doc-search { position: relative; margin-bottom: 1rem; }
.au-doc-search input {
  width: 100%; padding: 0.7rem 1rem; border-radius: 12px; font: inherit; color: var(--au-text);
  background: var(--au-panel-2); border: 1px solid var(--au-line); outline: none; transition: border-color 0.3s;
}
.au-doc-search input:focus { border-color: var(--au-violet); }
.au-doc-search input::placeholder { color: var(--au-faint); }
.au-doc-group { border-top: 1px solid var(--au-line); }
.au-doc-group:first-of-type { border-top: 0; }
.au-doc-group__head {
  font-family: var(--au-display); font-weight: 600; font-size: 0.95rem; color: var(--au-text);
  padding: 0.85rem 0.2rem; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 0.5rem;
}
.au-doc-group__head::after { content: "\203A"; color: var(--au-faint); transition: transform 0.3s var(--au-ease); transform: rotate(90deg); }
.au-doc-group.is-open .au-doc-group__head::after { transform: rotate(-90deg); }
.au-doc-group__body { display: none; padding-bottom: 0.6rem; }
.au-doc-group.is-open .au-doc-group__body { display: block; }
.au-doc-link {
  display: block; color: var(--au-muted); font-size: 0.9rem; padding: 0.4rem 0.75rem; margin: 0.1rem 0;
  border-radius: 10px; border-left: 2px solid transparent; transition: color 0.25s, background 0.25s;
}
.au-doc-link:hover { color: var(--au-text); background: var(--au-panel-2); }
.au-doc-link.is-active { color: var(--au-text); background: var(--au-panel-2); border-left-color: var(--au-violet); }
.au-doc-main { min-width: 0; }
.au-doc-meta { color: var(--au-faint); font-size: 0.88rem; margin-bottom: 1.4rem; }
.au-pager { margin-top: 2rem; color: var(--au-muted); font-size: 0.92rem; display: flex; gap: 0.6rem; align-items: center; }
.au-pager a { color: var(--au-text); padding: 0.35rem 0.9rem; border: 1px solid var(--au-line); border-radius: 999px; transition: border-color 0.25s; }
.au-pager a:hover { border-color: var(--au-violet); }

/* ================= Prose (rendered article HTML) ================= */
.au-prose { color: var(--au-muted); font-size: 1.02rem; line-height: 1.85; }
.au-prose > *:first-child { margin-top: 0; }
.au-prose h1, .au-prose h2, .au-prose h3, .au-prose h4 { color: var(--au-text); font-family: var(--au-display); letter-spacing: -0.01em; line-height: 1.3; margin: 2rem 0 0.9rem; }
.au-prose h2 { font-size: 1.5rem; } .au-prose h3 { font-size: 1.22rem; } .au-prose h4 { font-size: 1.05rem; }
.au-prose p { margin: 0 0 1.1rem; }
.au-prose a { color: var(--au-cyan); text-decoration: underline; text-underline-offset: 3px; }
.au-prose ul, .au-prose ol { margin: 0 0 1.1rem; padding-left: 1.4rem; }
.au-prose li { margin: 0.4rem 0; }
.au-prose img { max-width: 100%; height: auto; border-radius: 14px; margin: 1rem 0; border: 1px solid var(--au-line); }
.au-prose blockquote { margin: 1.2rem 0; padding: 0.6rem 1.2rem; border-left: 3px solid var(--au-violet); background: var(--au-panel-2); border-radius: 0 12px 12px 0; color: var(--au-text); }
.au-prose pre { background: var(--au-panel-2); border: 1px solid var(--au-line); border-radius: 14px; padding: 1.1rem 1.3rem; overflow-x: auto; margin: 1.2rem 0; }
.au-prose code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9em; background: var(--au-panel-2); padding: 0.15em 0.45em; border-radius: 6px; }
.au-prose pre code { background: none; padding: 0; }
.au-prose table { width: 100%; border-collapse: collapse; margin: 1.2rem 0; font-size: 0.95rem; }
.au-prose th, .au-prose td { border: 1px solid var(--au-line); padding: 0.6rem 0.9rem; text-align: left; }
.au-prose th { background: var(--au-panel-2); color: var(--au-text); }
.au-prose hr { border: 0; border-top: 1px solid var(--au-line); margin: 2rem 0; }

/* ================= Auth (login / register) ================= */
.au-btn--block { width: 100%; justify-content: center; margin-top: 0.4rem; }
.au-auth { min-height: 100vh; display: grid; grid-template-columns: 1.05fr 1fr; }
.au-auth__brand {
  position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: center;
  padding: clamp(2.5rem, 6vw, 6rem); color: #fff;
  background:
    radial-gradient(50% 60% at 20% 20%, rgba(124,92,255,0.55), transparent 60%),
    radial-gradient(46% 60% at 82% 78%, rgba(34,211,238,0.4), transparent 60%),
    radial-gradient(40% 50% at 60% 30%, rgba(236,72,153,0.32), transparent 60%),
    var(--au-bg);
}
.au-auth__brand::before {
  content: ""; position: absolute; inset: 0; z-index: 0; opacity: 0.5; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 46px 46px; mask-image: radial-gradient(70% 70% at 40% 40%, #000, transparent);
}
.au-auth__brand > * { position: relative; z-index: 1; }
.au-auth__brand h1 { font-family: var(--au-display); font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.02em; margin: 0.6rem 0 0.8rem; }
.au-auth__brand p { color: rgba(255,255,255,0.72); max-width: 420px; line-height: 1.75; }
.au-auth__panel { display: grid; place-items: center; padding: 2.5rem 1.5rem; background: var(--au-bg-soft); }
.au-auth__card { width: min(100%, 420px); background: var(--au-panel); border: 1px solid var(--au-line); border-radius: var(--au-radius); padding: 2.2rem; box-shadow: 0 40px 90px -50px rgba(0,0,0,0.9); }
.au-auth__card h2 { font-family: var(--au-display); font-size: 1.55rem; margin-bottom: 0.3rem; }
.au-auth__card > p { color: var(--au-muted); font-size: 0.92rem; margin-bottom: 1.6rem; }
.au-field { margin-bottom: 1.1rem; }
.au-field label { display: block; font-size: 0.85rem; color: var(--au-muted); margin-bottom: 0.45rem; }
.au-field input {
  width: 100%; padding: 0.8rem 1rem; border-radius: 12px; font: inherit; color: var(--au-text);
  background: var(--au-panel-2); border: 1px solid var(--au-line); outline: none; transition: border-color 0.3s, box-shadow 0.3s;
}
.au-field input:focus { border-color: var(--au-violet); box-shadow: 0 0 0 3px rgba(124,92,255,0.22); }
.au-field input::placeholder { color: var(--au-faint); }
.au-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 0.4rem; background: var(--au-panel-2); border: 1px solid var(--au-line); border-radius: 12px; padding: 0.3rem; margin-bottom: 1.4rem; }
.au-tabs--single { grid-template-columns: 1fr; }
.au-tabs button { font: inherit; font-size: 0.9rem; color: var(--au-muted); background: none; border: 0; padding: 0.6rem; border-radius: 9px; cursor: pointer; transition: color 0.25s, background 0.25s; }
.au-tabs button.is-active { color: var(--au-text); background: var(--au-panel); box-shadow: 0 6px 18px -10px rgba(0,0,0,0.8); }
.au-tab-panel { display: none; }
.au-tab-panel.is-active { display: block; }
.au-auth__opts { display: flex; align-items: center; justify-content: space-between; font-size: 0.85rem; color: var(--au-muted); margin: -0.2rem 0 1.1rem; }
.au-auth__opts a { color: var(--au-cyan); }
.au-auth__opts label { display: inline-flex; align-items: center; gap: 0.4rem; cursor: pointer; }
.au-auth__switch { margin-top: 1.3rem; text-align: center; font-size: 0.9rem; color: var(--au-muted); }
.au-auth__switch a { color: var(--au-cyan); }
.au-qr { text-align: center; }
.au-qr__box { width: 220px; height: 220px; margin: 0.5rem auto; display: grid; place-items: center; gap: 0.3rem; background: var(--au-panel-2); border: 1px solid var(--au-line); border-radius: 16px; color: var(--au-muted); }
.au-qr__box img { width: 100%; height: 100%; object-fit: contain; border-radius: 12px; background: #fff; padding: 8px; }
.au-qr__tip { color: var(--au-faint); font-size: 0.85rem; margin-top: 0.6rem; }
.au-toast {
  position: fixed; left: 50%; top: 2rem; transform: translateX(-50%) translateY(-16px);
  background: var(--au-panel); border: 1px solid var(--au-line); color: var(--au-text);
  padding: 0.75rem 1.4rem; border-radius: 12px; font-size: 0.92rem; z-index: 9999;
  opacity: 0; transition: opacity 0.3s, transform 0.3s; box-shadow: 0 24px 60px -30px rgba(0,0,0,0.9);
}
.au-toast.is-show { opacity: 1; transform: translateX(-50%) translateY(0); }
.au-toast.is-ok { border-color: rgba(52,211,153,0.6); }

/* ================= Reveal animation (self-authored) ================= */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity 0.8s var(--au-ease), transform 0.8s var(--au-ease); }
[data-reveal].is-in { opacity: 1; transform: none; }
[data-reveal="left"] { transform: translateX(-36px); }
[data-reveal="right"] { transform: translateX(36px); }
[data-reveal="scale"] { transform: scale(0.94); }
[data-reveal].is-in { transform: none; }

/* ================= Responsive ================= */
@media (max-width: 960px) {
  .au-nav { display: none; }
  .au-burger { display: block; }
  .au-feat-grid, .au-cards { grid-template-columns: repeat(2, 1fr); }
  .au-stats { grid-template-columns: repeat(2, 1fr); gap: 1.5rem 1rem; }
  .au-show { grid-template-columns: 1fr; gap: 2rem; }
  .au-show__visual { aspect-ratio: 16 / 11; max-width: 520px; }
  .au-detail { grid-template-columns: 1fr; }
  .au-side-cta { position: static; }
  .au-doc-shell { grid-template-columns: 1fr; }
  .au-doc-side { position: static; max-height: none; }
  .au-auth { grid-template-columns: 1fr; }
  .au-auth__brand { display: none; }
  .au-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .au-feat-grid, .au-cards { grid-template-columns: 1fr; }
  .au-hero { padding-top: 100px; }
  .au-hero__meta { gap: 1.4rem; }
  .au-footer__grid { grid-template-columns: 1fr; }
  .au-footer__bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
}