/* AI代问 / aidaiwen.com — clean ChatGPT-inspired light marketing UI */
:root {
  --bg: #f7f7f4;
  --bg-elev: #ffffff;
  --bg-soft: #efefea;
  --bg-card: #ffffff;
  --line: rgba(15, 23, 42, 0.08);
  --line-strong: rgba(15, 23, 42, 0.14);
  --text: #0d0d0d;
  --muted: #5c5c5c;
  --dim: #8a8a8a;
  --accent: #10a37f;
  --accent-hover: #0d8f6e;
  --accent-soft: rgba(16, 163, 127, 0.12);
  --violet: #6e6aef;
  --cyan: #0d9488;
  --mint: #10a37f;
  --grad: linear-gradient(135deg, #10a37f 0%, #0d9488 45%, #6366f1 100%);
  --grad-soft: linear-gradient(135deg, rgba(16, 163, 127, 0.18), rgba(99, 102, 241, 0.12));
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 12px 40px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 24px 64px rgba(15, 23, 42, 0.1);
  --radius: 20px;
  --radius-sm: 14px;
  --max: 1080px;
  --font: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(900px 520px at 8% -8%, rgba(16, 163, 127, 0.14), transparent 55%),
    radial-gradient(780px 480px at 96% 4%, rgba(99, 102, 241, 0.1), transparent 52%),
    radial-gradient(640px 420px at 50% 108%, rgba(16, 163, 127, 0.06), transparent 55%),
    var(--bg);
  line-height: 1.65;
  min-height: 100vh;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
.container { width: min(100% - 1.5rem, var(--max)); margin-inline: auto; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(1.2) blur(14px);
  -webkit-backdrop-filter: saturate(1.2) blur(14px);
  background: rgba(247, 247, 244, 0.82);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.85rem 0; gap: 1rem; position: relative;
}
.brand {
  display: flex; align-items: center; gap: 0.65rem;
  color: var(--text); font-weight: 700; letter-spacing: -0.01em;
}
.brand:hover { color: var(--text); }
.brand-logo {
  width: 34px; height: 34px; border-radius: 9px;
  display: block; flex-shrink: 0;
  object-fit: contain;
  box-shadow: 0 4px 14px rgba(0, 180, 140, 0.22);
}
@media (max-width: 720px) {
  .brand-logo { width: 32px; height: 32px; border-radius: 8px; }
}
.brand-text span { display: block; font-size: 0.7rem; color: var(--dim); font-weight: 500; letter-spacing: 0; }
.nav-links { display: flex; gap: 1.1rem; align-items: center; flex-wrap: wrap; }
.nav-links a { color: var(--muted); font-size: 0.92rem; font-weight: 500; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links .btn { color: #fff !important; }
.nav-toggle {
  display: none; background: var(--bg-elev); border: 1px solid var(--line-strong);
  color: var(--text); border-radius: 12px; padding: 0.55rem 0.85rem; cursor: pointer;
  font-size: 0.9rem; font-weight: 600; min-height: 42px;
}

/* Buttons — mobile-first tap targets */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.45rem;
  border-radius: 999px; padding: 0.85rem 1.35rem; font-weight: 600;
  border: 1px solid transparent; cursor: pointer; transition: 0.18s ease;
  font-size: 0.98rem; text-decoration: none; min-height: 48px;
  -webkit-tap-highlight-color: transparent;
}
.btn-primary {
  background: var(--accent); color: #fff !important;
  box-shadow: 0 8px 24px rgba(16, 163, 127, 0.28);
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); color: #fff !important; }
.btn-ghost {
  background: var(--bg-elev); color: var(--text) !important;
  border-color: var(--line-strong);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}
.btn-ghost:hover { border-color: rgba(16, 163, 127, 0.4); color: var(--text) !important; background: #fff; }
.btn-taobao {
  background: linear-gradient(135deg, #ff6a00, #ff8a1a);
  color: #fff !important;
  box-shadow: 0 8px 22px rgba(255, 106, 0, 0.25);
}
.btn-taobao:hover { filter: brightness(1.04); color: #fff !important; }

/* Hero — ChatGPT-like clarity */
.hero {
  padding: 3.25rem 0 2.5rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: none;
}

/* Hero FX — tech network + data streams (non-intrusive) */
.hero-fx {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.hero-fx-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.55;
}
.hero-fx-glow-a {
  width: min(520px, 85vw);
  height: min(520px, 85vw);
  top: -18%;
  left: 42%;
  background: radial-gradient(circle, rgba(16, 163, 127, 0.22), transparent 68%);
  animation: glowDrift 14s ease-in-out infinite alternate;
}
.hero-fx-glow-b {
  width: min(460px, 80vw);
  height: min(460px, 80vw);
  right: -8%;
  bottom: -20%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.18), transparent 70%);
  animation: glowDrift 18s ease-in-out infinite alternate-reverse;
}
.hero-fx-grid {
  position: absolute;
  inset: -10%;
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse 70% 65% at 65% 45%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 65% at 65% 45%, #000 20%, transparent 75%);
  opacity: 0.7;
}
.hero-fx-net {
  position: absolute;
  right: -4%;
  top: 4%;
  width: min(720px, 92vw);
  height: auto;
  opacity: 0.78;
  transform: translateZ(0);
}
.hub-ring {
  transform-box: fill-box;
  transform-origin: center;
}
.net-flow {
  opacity: 0.55;
  animation: dashFlow 2.8s linear infinite;
}
.flow-gem { animation-duration: 3.2s; animation-delay: -0.6s; }
.flow-grok { animation-duration: 3s; animation-delay: -1.2s; }
.net-node {
  filter: drop-shadow(0 8px 18px rgba(15, 23, 42, 0.08));
}
.hero-fx-streams {
  position: absolute;
  inset: 0;
}
.stream {
  position: absolute;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: rgba(15, 23, 42, 0.42);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(15, 23, 42, 0.06);
  border-radius: 999px;
  padding: 0.28rem 0.7rem;
  white-space: nowrap;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.04);
  animation: streamFloat 16s linear infinite;
  opacity: 0;
}
.stream.s1 { left: 6%; top: 18%; animation-duration: 18s; animation-delay: 0s; color: rgba(16, 163, 127, 0.7); }
.stream.s2 { left: 18%; top: 72%; animation-duration: 20s; animation-delay: -4s; }
.stream.s3 { right: 8%; top: 22%; left: auto; animation-duration: 17s; animation-delay: -2s; color: rgba(99, 102, 241, 0.72); }
.stream.s4 { left: 42%; top: 12%; animation-duration: 19s; animation-delay: -7s; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.68rem; }
.stream.s5 { right: 12%; top: 68%; left: auto; animation-duration: 21s; animation-delay: -9s; color: rgba(13, 148, 136, 0.75); }
.stream.s6 { left: 8%; top: 48%; animation-duration: 22s; animation-delay: -11s; }
.stream.s7 { right: 18%; top: 48%; left: auto; animation-duration: 18s; animation-delay: -5s; }
.stream.s8 { left: 55%; top: 80%; animation-duration: 23s; animation-delay: -13s; }
.hero-fx-fade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(247, 247, 244, 0.92) 0%, rgba(247, 247, 244, 0.72) 28%, rgba(247, 247, 244, 0.18) 58%, transparent 78%),
    linear-gradient(180deg, rgba(247, 247, 244, 0.35) 0%, transparent 18%, transparent 78%, rgba(247, 247, 244, 0.55) 100%);
  pointer-events: none;
}
.hero-grid { z-index: 1; }
.hero-copy, .hero-card { position: relative; z-index: 2; }

@keyframes dashFlow {
  to { stroke-dashoffset: -80; }
}
@keyframes spinSlow {
  to { transform: rotate(360deg); }
}
@keyframes glowDrift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(-18px, 14px, 0) scale(1.06); }
}
@keyframes streamFloat {
  0% { transform: translate3d(0, 18px, 0); opacity: 0; }
  12% { opacity: 0.85; }
  70% { opacity: 0.7; }
  100% { transform: translate3d(0, -46px, 0); opacity: 0; }
}

@media (max-width: 899px) {
  .hero-fx-net {
    opacity: 0.42;
    right: -18%;
    top: 8%;
    width: 120%;
  }
  .hero-fx-fade {
    background:
      linear-gradient(180deg, rgba(247, 247, 244, 0.55) 0%, rgba(247, 247, 244, 0.78) 42%, rgba(247, 247, 244, 0.88) 100%),
      linear-gradient(90deg, rgba(247, 247, 244, 0.4), transparent 60%);
  }
  .stream.s3,
  .stream.s4,
  .stream.s7,
  .stream.s8 { display: none; }
  .hero-fx-grid { opacity: 0.45; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-fx-glow-a,
  .hero-fx-glow-b,
  .hub-ring,
  .hub-ring-2,
  .net-flow,
  .stream,
  .net-packet {
    animation: none !important;
  }
  .net-packet { display: none; }
  .stream { opacity: 0.55; transform: none; }
  .net-flow { opacity: 0.25; }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
  position: relative;
  text-align: center;
}
.hero-copy { max-width: 40rem; margin-inline: auto; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.4rem 0.9rem; border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  color: var(--accent); font-size: 0.84rem; font-weight: 600;
  margin-bottom: 1.15rem;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}
.hero h1 {
  font-size: clamp(2.05rem, 7.2vw, 3.4rem);
  line-height: 1.12; margin: 0 0 1rem; letter-spacing: -0.035em;
  font-weight: 700;
}
.hero h1 .grad {
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.lead {
  color: var(--muted); font-size: clamp(1.02rem, 2.8vw, 1.18rem);
  max-width: 36rem; margin: 0 auto 1.6rem; line-height: 1.7;
}
.cta-row {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
  margin-bottom: 0.9rem; justify-content: center;
}
.cta-row .btn { flex: 1 1 auto; min-width: min(100%, 11.5rem); }
.cta-secondary {
  display: flex; flex-wrap: wrap; gap: 0.65rem; justify-content: center;
  margin-bottom: 1.35rem;
}
.cta-secondary .btn { min-height: 44px; padding: 0.65rem 1.1rem; font-size: 0.9rem; }
.trust-pills { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; }
.pill {
  font-size: 0.8rem; color: var(--muted); font-weight: 500;
  border: 1px solid var(--line); border-radius: 999px;
  padding: 0.35rem 0.75rem; background: rgba(255, 255, 255, 0.7);
}

.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 2px);
  padding: 1.25rem;
  box-shadow: var(--shadow-lg);
  position: relative; overflow: hidden;
  text-align: left;
  max-width: 420px;
  margin-inline: auto;
  width: 100%;
}
.hero-card::before {
  content: ""; position: absolute; inset: -30% auto auto 60%;
  width: 180px; height: 180px; border-radius: 50%;
  background: rgba(16, 163, 127, 0.12); filter: blur(36px);
}
.hero-card-label {
  margin: 0 0 0.85rem; color: var(--muted); font-size: 0.86rem; font-weight: 500;
  position: relative;
}
.model-list { display: grid; gap: 0.65rem; position: relative; }
.model-item {
  display: flex; align-items: center; justify-content: space-between; gap: 0.75rem;
  padding: 0.95rem 1rem; border-radius: var(--radius-sm);
  background: var(--bg-soft); border: 1px solid var(--line);
}
.model-item strong { display: block; font-size: 0.98rem; letter-spacing: -0.01em; }
.model-item span { color: var(--dim); font-size: 0.8rem; }
.badge {
  font-size: 0.72rem; padding: 0.22rem 0.55rem; border-radius: 999px; white-space: nowrap;
  background: var(--accent-soft); color: var(--accent); border: 1px solid rgba(16, 163, 127, 0.22);
  font-weight: 600;
}

/* Sections */
section { padding: 3.25rem 0; }
.section-head { margin-bottom: 1.6rem; max-width: 36rem; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 {
  margin: 0 0 0.55rem; font-size: clamp(1.45rem, 3.5vw, 1.95rem);
  letter-spacing: -0.025em; font-weight: 700;
}
.section-head p { margin: 0; color: var(--muted); }

.grid-3 { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.grid-4 { display: grid; grid-template-columns: 1fr; gap: 0.9rem; }
.card {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.45rem 1.3rem 1.4rem;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03), 0 8px 28px rgba(15, 23, 42, 0.04);
}
.card:hover {
  border-color: rgba(16, 163, 127, 0.32);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.card .icon {
  width: 48px; height: 48px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(180deg, rgba(16, 163, 127, 0.14), rgba(16, 163, 127, 0.06));
  color: var(--accent);
  margin-bottom: 1.05rem;
  border: 1px solid rgba(16, 163, 127, 0.16);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
}
.card .icon svg {
  width: 22px; height: 22px;
  display: block;
}
.card h3 { margin: 0 0 0.45rem; font-size: 1.06rem; letter-spacing: -0.015em; font-weight: 600; }
.card p { margin: 0; color: var(--muted); font-size: 0.94rem; line-height: 1.65; }

.steps { display: grid; grid-template-columns: 1fr; gap: 0.9rem; }
.step {
  position: relative; padding: 1.25rem 1.2rem; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--bg-elev);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03);
}
.step-num {
  font-weight: 800; font-size: 0.82rem; color: #fff;
  background: var(--accent); width: 28px; height: 28px; border-radius: 9px;
  display: grid; place-items: center; margin-bottom: 0.8rem;
}
.step h3 { margin: 0 0 0.35rem; font-size: 1rem; }
.step p { margin: 0; color: var(--muted); font-size: 0.9rem; }

.panel {
  border: 1px solid var(--line); border-radius: calc(var(--radius) + 2px);
  background: var(--bg-elev);
  padding: 1.25rem; box-shadow: var(--shadow);
}
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 0.9rem; }
.wechat-box, .taobao-box {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.3rem 1.2rem; background: var(--bg-soft);
}
.wechat-id {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: clamp(1.25rem, 4vw, 1.5rem); letter-spacing: 0.04em;
  margin: 0.5rem 0 1rem; color: var(--text); font-weight: 700;
}
.copy-hint { color: var(--dim); font-size: 0.85rem; margin-top: 0.65rem; }

.faq details {
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 1rem 1.1rem; background: var(--bg-elev); margin-bottom: 0.65rem;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03);
}
.faq summary { cursor: pointer; font-weight: 600; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; float: right; color: var(--dim); font-weight: 500; font-size: 1.1rem;
}
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); margin: 0.75rem 0 0; }

/* News */
.news-list { display: grid; gap: 0.85rem; }
.news-item {
  display: grid; grid-template-columns: 1fr; gap: 0.35rem;
  padding: 1.15rem 1.2rem; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--bg-card);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03);
}
.news-item time { color: var(--dim); font-size: 0.82rem; font-weight: 500; }
.news-item h3 { margin: 0 0 0.3rem; font-size: 1.02rem; letter-spacing: -0.015em; }
.news-item h3 a { color: var(--text); }
.news-item h3 a:hover { color: var(--accent); }
.news-item p { margin: 0; color: var(--muted); font-size: 0.9rem; }
.tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.7rem; }
.tag {
  font-size: 0.72rem; color: var(--violet); font-weight: 500;
  border: 1px solid rgba(110, 106, 239, 0.22); border-radius: 999px;
  padding: 0.18rem 0.55rem; background: rgba(110, 106, 239, 0.08);
}

.article { padding: 2.2rem 0 3.5rem; }
.article-wrap { max-width: 720px; margin: 0 auto; }
.article header { margin-bottom: 1.6rem; }
.article h1 {
  font-size: clamp(1.65rem, 4.5vw, 2.25rem); line-height: 1.22;
  margin: 0.45rem 0 0.75rem; letter-spacing: -0.025em;
}
.article-meta { color: var(--dim); font-size: 0.88rem; }
.prose h2 { margin-top: 1.85rem; font-size: 1.28rem; letter-spacing: -0.02em; }
.prose h3 { margin-top: 1.3rem; font-size: 1.08rem; }
.prose p, .prose li { color: var(--muted); }
.prose a { text-decoration: underline; text-underline-offset: 3px; }
.prose ul { padding-left: 1.15rem; }
.callout {
  margin: 1.4rem 0; padding: 1.05rem 1.15rem; border-radius: var(--radius-sm);
  border: 1px solid rgba(16, 163, 127, 0.22); background: var(--accent-soft);
}
.callout strong { color: var(--text); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line); padding: 2.2rem 0 2.6rem;
  margin-top: 1.5rem; color: var(--muted); font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.45);
}
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 1.4rem; }
.site-footer h4 { margin: 0 0 0.6rem; color: var(--text); font-size: 0.92rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 0.4rem; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--accent); }
.copyright {
  margin-top: 1.6rem; padding-top: 1.1rem; border-top: 1px solid var(--line);
  color: var(--dim); font-size: 0.82rem;
}

.page-hero { padding: 2.4rem 0 1rem; }
.page-hero h1 { margin: 0 0 0.55rem; font-size: clamp(1.7rem, 4.5vw, 2.35rem); letter-spacing: -0.03em; }
.page-hero p { margin: 0; color: var(--muted); max-width: 38rem; }

/* Tablet+ */
@media (min-width: 640px) {
  .container { width: min(100% - 2rem, var(--max)); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .news-item { grid-template-columns: 6.5rem 1fr; gap: 1rem; align-items: start; }
  .cta-row .btn { flex: 0 1 auto; min-width: 0; }
  .contact-grid { grid-template-columns: 1.05fr 0.95fr; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
}

@media (min-width: 900px) {
  .hero { padding: 4.75rem 0 3.25rem; }
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 2.75rem;
    text-align: left;
  }
  .hero-copy { margin-inline: 0; max-width: none; }
  .lead { margin-left: 0; margin-right: 0; }
  .cta-row, .cta-secondary, .trust-pills { justify-content: flex-start; }
  .hero-card { margin-inline: 0; max-width: none; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .steps { grid-template-columns: repeat(4, 1fr); }
  .section-head.center { text-align: left; margin-inline: 0; }
}

@media (max-width: 899px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch;
    background: rgba(255, 255, 255, 0.97); border-bottom: 1px solid var(--line);
    padding: 0.85rem 1.1rem 1.1rem; gap: 0.35rem;
    box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.7rem 0.35rem; border-radius: 10px; }
  .nav-links .btn { width: 100%; margin-top: 0.35rem; }
}

/* GEO tables */
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.2rem 0;
  font-size: 0.93rem;
}
.prose th, .prose td {
  border: 1px solid var(--line-strong);
  padding: 0.65rem 0.75rem;
  text-align: left;
  vertical-align: top;
}
.prose th {
  background: rgba(16, 163, 127, 0.08);
  color: var(--text);
  font-weight: 600;
}
.prose tr:nth-child(even) td { background: rgba(15, 23, 42, 0.02); }
.answer-lead {
  font-size: 1.04rem;
  color: var(--text) !important;
  border-left: 3px solid var(--accent);
  padding-left: 1rem;
  margin: 0.75rem 0 1.2rem;
}


@media (min-width: 900px) {
  .hero-fx-net {
    right: -2%;
    top: 0;
    width: min(640px, 58vw);
    opacity: 0.88;
  }
  .hero-fx-fade {
    background:
      linear-gradient(90deg, rgba(247, 247, 244, 0.96) 0%, rgba(247, 247, 244, 0.82) 34%, rgba(247, 247, 244, 0.2) 62%, transparent 80%),
      linear-gradient(180deg, rgba(247, 247, 244, 0.25) 0%, transparent 20%, transparent 80%, rgba(247, 247, 244, 0.4) 100%);
  }
  .stream.s1 { left: 2%; }
  .stream.s2 { left: 8%; }
  .stream.s6 { left: 4%; top: 58%; }
}

/* Soft band for alternating sections */
.band {
  background: rgba(255, 255, 255, 0.55);
  border-block: 1px solid var(--line);
}