/* ============================================================
   云川 CloudFlow · 官网设计系统
   深色科技感 · 玻璃拟态 · 手机优先 · 竖屏素材保持原始比例
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
  --bg: #05080f;
  --bg-2: #080e1a;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-2: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);

  --text: #e9f0f9;
  --text-2: #a2b1c6;
  --text-3: #66768d;

  --teal: #5eead4;
  --sky: #7dd3fc;
  --violet: #c4b5fd;
  --rose: #fda4af;

  --grad-text: linear-gradient(108deg, #7df0e2 0%, #84b8ff 48%, #c9a8fc 100%);
  --grad-btn: linear-gradient(135deg, #34d9c3 0%, #4f9cf0 55%, #8b7cf6 100%);

  --radius: 18px;
  --radius-lg: 26px;
  --radius-sm: 12px;

  --shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.75);
  --glow: 0 0 0 1px rgba(94, 234, 212, 0.18), 0 18px 60px -18px rgba(79, 156, 240, 0.45);

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue",
    Arial, sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }
::selection { background: rgba(94, 234, 212, 0.28); color: #fff; }

/* Ambient background layers */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(900px 520px at 82% -8%, rgba(79, 156, 240, 0.16), transparent 60%),
    radial-gradient(760px 480px at 6% 4%, rgba(52, 217, 195, 0.12), transparent 60%),
    radial-gradient(900px 700px at 50% 110%, rgba(139, 124, 246, 0.12), transparent 62%),
    linear-gradient(180deg, #05080f 0%, #070d18 55%, #05080f 100%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 78%);
}

/* ---------- Layout ---------- */
.wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.section { padding: 76px 0; }
.section-tight { padding: 52px 0; }
.narrow { max-width: 820px; }
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 18px; }
.grid-3 { display: grid; grid-template-columns: 1fr; gap: 18px; }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 36px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.22em;
  font-weight: 600;
  color: var(--teal);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: linear-gradient(90deg, var(--teal), transparent);
}
h1, h2, h3, h4 { line-height: 1.18; font-weight: 700; letter-spacing: -0.01em; }
.grad { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { color: var(--text-2); font-size: 17px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease, background 0.22s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad-btn);
  color: #04121c;
  box-shadow: 0 12px 34px -12px rgba(79, 156, 240, 0.7);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 44px -12px rgba(79, 156, 240, 0.85); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line);
  color: var(--text);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--line-strong); background: rgba(255, 255, 255, 0.08); transform: translateY(-2px); }
.btn-sm { padding: 9px 18px; font-size: 14px; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(6, 11, 20, 0.72);
  backdrop-filter: blur(16px) saturate(1.4);
  border-bottom-color: var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 700; font-size: 18px; }
.brand small { display: block; font-size: 9px; letter-spacing: 0.32em; color: var(--text-3); font-weight: 600; }
.brand-mark {
  width: 34px; height: 34px;
  border-radius: 9px;
  background: url(../images/logo-particle.png) center/contain no-repeat;
  position: relative;
}
.brand-mark::after { content: none; }
.nav-links { display: none; gap: 4px; }
.nav-links a {
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 15px;
  color: var(--text-2);
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover { color: var(--text); background: rgba(255, 255, 255, 0.05); }
.nav-links a.active { color: var(--teal); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.menu-toggle {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 42px; height: 42px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 20px;
}
.nav-links.open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 68px; left: 16px; right: 16px;
  padding: 14px;
  gap: 4px;
  background: rgba(9, 15, 27, 0.96);
  backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ---------- Hero ---------- */
.hero { padding: 104px 0 44px; }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 40px; align-items: center; }
.hero h1 { font-size: clamp(2.3rem, 7.5vw, 3.9rem); margin: 13px 0 16px; font-weight: 800; letter-spacing: -0.02em; }
.hero h1 .grad { filter: drop-shadow(0 0 22px rgba(94, 234, 212, 0.35)); }
.hero .lead { font-size: 15px; line-height: 1.65; max-width: 540px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin: 24px 0 18px; }
.hero-note { display: flex; align-items: center; gap: 9px; color: var(--text-3); font-size: 13px; }
.hero-note .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 10px var(--teal); }
.hero-points { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.hero-points .pt { display: flex; flex-direction: column; gap: 2px; }
.hero-points .pt b { display: block; font-size: 14.5px; color: var(--text); }
.hero-points .pt span { font-size: 13px; color: var(--text-3); }
.hero-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 22px; }
.hero-tags span {
  font-size: 12.5px;
  padding: 6px 13px;
  border-radius: 999px;
  color: var(--text-2);
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--line);
}

/* ---------- Phone / vertical media ----------
   素材本身已带手机外壳，此处只做圆角、细边框、柔和阴影与光晕。
   视频以自然比例显示，绝不拉伸、不裁剪。 */
.phone-stage {
  position: relative;
  display: flex;
  justify-content: center;
}
.phone-stage::before {
  content: "";
  position: absolute;
  width: 78%;
  aspect-ratio: 1;
  top: 12%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79, 156, 240, 0.28), transparent 68%);
  filter: blur(26px);
  z-index: -1;
}
.phone {
  width: 100%;
  max-width: 300px;
  border-radius: 34px;
  overflow: hidden;
  background: #000;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow), 0 0 50px -8px rgba(79, 156, 240, 0.4);
}
.phone video, .phone img { width: 100%; height: auto; }
.phone-float { animation: float 7s ease-in-out infinite; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

/* ---------- Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  backdrop-filter: blur(12px);
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--line-strong); background: var(--surface-2); }
.card-icon {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 46px; height: 46px;
  border-radius: 13px;
  font-size: 20px;
  color: var(--teal);
  background: rgba(94, 234, 212, 0.1);
  border: 1px solid rgba(94, 234, 212, 0.2);
  margin-bottom: 16px;
}
.card h3 { font-size: 19px; margin-bottom: 9px; }
.card p { color: var(--text-2); font-size: 15px; }
.card a { color: var(--teal); font-weight: 600; font-size: 14.5px; }

/* ---------- Feature (why) media ---------- */
.feature-media {
  border-radius: var(--radius);
  overflow: hidden;
  margin: 0 auto 18px;
  max-width: 240px;
  border: 1px solid var(--line);
  background: #000;
}
.feature-media img, .feature-media video { width: 100%; height: auto; }

/* ---------- Video wall ---------- */
.video-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.video-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  backdrop-filter: blur(10px);
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.video-card:hover { transform: translateY(-4px); border-color: var(--line-strong); }
.video-card .vc-media { position: relative; background: #000; }
.video-card .vc-media video, .video-card .vc-media img { width: 100%; height: auto; }
.video-card .vc-body { padding: 13px 14px 15px; }
.video-card h3 { font-size: 14.5px; margin-bottom: 3px; }
.video-card p { font-size: 12.5px; color: var(--text-3); }
.badge {
  position: absolute;
  top: 9px; left: 9px;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  color: #04121c;
  background: rgba(160, 247, 236, 0.92);
  backdrop-filter: blur(4px);
}

/* ---------- Split / Showcase ---------- */
.split, .showcase { display: grid; grid-template-columns: 1fr; gap: 32px; align-items: center; }
.video-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: #000;
  box-shadow: var(--shadow);
}
.video-frame video, .video-frame img { width: 100%; height: auto; }
.split-copy h2, .showcase-copy h2 { font-size: clamp(1.6rem, 4.5vw, 2.3rem); margin-bottom: 14px; }
.split-copy p, .showcase-copy p { color: var(--text-2); margin-bottom: 16px; }
.checklist { display: grid; gap: 10px; margin: 18px 0 24px; }
.checklist li { display: flex; align-items: center; gap: 11px; color: var(--text-2); font-size: 15px; }
.checklist li::before {
  content: "";
  width: 18px; height: 18px;
  border-radius: 50%;
  flex: none;
  background:
    radial-gradient(circle at 50% 50%, #04121c 0 3px, transparent 3.5px),
    var(--grad-btn);
  box-shadow: 0 0 10px rgba(94, 234, 212, 0.4);
}

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: 1fr; gap: 14px; }
.step {
  display: flex; gap: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  backdrop-filter: blur(10px);
  transition: border-color 0.25s, transform 0.25s;
}
.step:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.step-num {
  flex: none;
  width: 42px; height: 42px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 12px;
  font-weight: 700;
  font-size: 17px;
  color: var(--teal);
  background: rgba(94, 234, 212, 0.1);
  border: 1px solid rgba(94, 234, 212, 0.22);
}
.step h3 { font-size: 16.5px; margin-bottom: 4px; }
.step p { font-size: 14px; color: var(--text-2); }

/* ---------- App list ---------- */
.app-list { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0; }
.app-list span {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 15px;
  border-radius: 12px;
  font-size: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}
.app-list b { color: var(--teal); font-size: 15px; }

/* ---------- Pricing ---------- */
.pricing-grid { display: grid; grid-template-columns: 1fr; gap: 18px; align-items: stretch; }
.price-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  backdrop-filter: blur(12px);
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.price-card:hover { transform: translateY(-5px); border-color: var(--line-strong); }
.price-card.featured {
  background: linear-gradient(180deg, rgba(52, 217, 195, 0.1), rgba(79, 156, 240, 0.06));
  border-color: rgba(94, 234, 212, 0.35);
  box-shadow: var(--glow);
}
.price-card .plan { font-size: 15px; font-weight: 600; color: var(--text-2); }
.price-card .amount { font-size: 42px; font-weight: 800; margin: 12px 0 6px; letter-spacing: -0.02em; }
.price-card .amount small { font-size: 15px; font-weight: 500; color: var(--text-3); }
.price-card > p { color: var(--text-3); font-size: 14px; margin-bottom: 18px; }
.price-card ul { display: grid; gap: 11px; margin-bottom: 26px; }
.price-card li { display: flex; align-items: center; gap: 10px; font-size: 14.5px; color: var(--text-2); }
.price-card li::before { content: "✓"; color: var(--teal); font-weight: 700; }
.price-card .btn { margin-top: auto; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 12px; }
.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  backdrop-filter: blur(10px);
}
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 19px 22px;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 15.5px;
  font-weight: 600;
  text-align: left;
}
.faq-q::after {
  content: "+";
  flex: none;
  font-size: 22px;
  color: var(--teal);
  transition: transform 0.25s ease;
}
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  color: var(--text-2);
  font-size: 14.5px;
}
.faq-item.open .faq-a { max-height: 400px; }
.faq-a { padding: 0 22px; }
.faq-item.open .faq-a { padding: 0 22px 20px; }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  text-align: center;
  padding: 52px 28px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(600px 260px at 50% -20%, rgba(94, 234, 212, 0.18), transparent 70%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--line);
  overflow: hidden;
}
.cta-band h2 { font-size: clamp(1.7rem, 5vw, 2.4rem); }
.cta-band p { color: var(--text-2); }

/* ---------- Page hero ---------- */
.page-hero { padding: 124px 0 36px; }
.page-hero h1 { font-size: clamp(2.2rem, 7vw, 3.5rem); margin: 10px 0 18px; }
.breadcrumbs { display: flex; align-items: center; gap: 9px; font-size: 13.5px; color: var(--text-3); margin-bottom: 18px; }
.breadcrumbs a { color: var(--text-2); }
.breadcrumbs a:hover { color: var(--teal); }
.page-hero-art { display: none; }
.anchor-nav { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.anchor-nav a {
  font-size: 13.5px;
  padding: 7px 15px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  color: var(--text-2);
}
.anchor-nav a:hover { border-color: var(--line-strong); color: var(--teal); }

/* ---------- Prose (legal) ---------- */
.prose { color: var(--text-2); font-size: 15.5px; }
.prose h2 { color: var(--text); font-size: 20px; margin: 30px 0 10px; }
.prose p { margin-bottom: 14px; }

/* ---------- Footer ---------- */
.site-footer {
  margin-top: 70px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.3));
  padding: 56px 0 30px;
}
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 32px; margin-bottom: 40px; }
.footer-brand p { color: var(--text-2); font-size: 14px; margin-top: 16px; max-width: 420px; }
.footer-brand .disclaimer { color: var(--text-3); font-size: 13px; }
.footer-col h4 { font-size: 14px; margin-bottom: 15px; color: var(--text); }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: var(--text-2); font-size: 14px; }
.footer-col a:hover { color: var(--teal); }
.keyword-cloud { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 30px; }
.keyword-cloud span {
  font-size: 11.5px;
  color: var(--text-3);
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.05);
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--text-3);
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(3, 6, 12, 0.86);
  backdrop-filter: blur(10px);
}
.lightbox.on { display: flex; }
.lightbox img { max-width: 100%; max-height: 88vh; border-radius: var(--radius); box-shadow: var(--shadow); }
.lightbox-close {
  position: absolute;
  top: 20px; right: 24px;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-size: 24px;
}

/* ---------- Reveal animations ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .phone-float { animation: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   Responsive · 手机优先，以下为平板与桌面增强
   ============================================================ */
@media (min-width: 600px) {
  .grid-2, .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .phone { max-width: 320px; }
}

@media (min-width: 860px) {
  .hero-grid { grid-template-columns: 1.05fr 0.95fr; gap: 40px; }
  .split, .showcase { grid-template-columns: 1fr 1fr; gap: 52px; }
  .split.reverse .split-media, .showcase.reverse .showcase-art { order: 2; }
  .video-grid { grid-template-columns: repeat(4, 1fr); gap: 18px; }
  .nav-links { display: flex; }
  .menu-toggle { display: none; }
  .page-hero .wrap { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 30px; align-items: center; }
  .page-hero--plain .wrap { display: block; }
  .page-hero-art { display: block; }
  .page-hero-art img { width: 100%; max-width: 320px; margin: 0 auto; border-radius: 30px; border: 1px solid var(--line); box-shadow: var(--shadow); }
  .phone { max-width: 340px; }
}

@media (min-width: 1024px) {
  .section { padding: 96px 0; }
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- 价格页：年付提示、额度表、充值表 ---------- */
.price-card .price-alt {
  margin-top: -2px;
  margin-bottom: 8px;
  color: var(--teal);
  font-size: 12.5px;
  line-height: 1.5;
}
.pricing-footnote {
  color: var(--text-3);
  font-size: 12.5px;
  line-height: 1.7;
  margin-top: 14px;
}
.price-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 16px 0 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.price-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 13.5px;
}
.price-table caption {
  caption-side: top;
  text-align: left;
  color: var(--text-3);
  font-size: 12px;
  padding: 12px 14px 0;
}
.price-table th,
.price-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  color: var(--text-2);
  white-space: nowrap;
}
.price-table th {
  color: var(--text);
  font-weight: 600;
  background: rgba(255, 255, 255, 0.035);
}
.price-table tr:last-child td { border-bottom: none; }
.price-table td:first-child { color: var(--text); font-weight: 500; }
@media (max-width: 640px) {
  .price-card { padding: 24px 20px; }
  .price-card .amount { font-size: 36px; }
}

/* ============================================================
   转化模块：谁适合用 · 典型场景 · 匿名故事 · 前后对比
   ============================================================ */

/* ICP 备案链接 */
.footer-bottom .icp { color: var(--text-3); }
.footer-bottom .icp:hover { color: var(--teal); }

/* 谁适合用 */
.who-for-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
.who-card {
  display: flex; gap: 15px; align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  backdrop-filter: blur(10px);
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.who-card:hover { transform: translateY(-3px); border-color: var(--line-strong); }
.who-ic {
  flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px;
  border-radius: 13px;
  font-size: 22px;
  color: var(--teal);
  background: rgba(94, 234, 212, 0.1);
  border: 1px solid rgba(94, 234, 212, 0.2);
}
.who-card h3 { font-size: 16px; margin-bottom: 5px; }
.who-card p { font-size: 14px; color: var(--text-2); }

/* 三种典型场景 */
.scenario-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
.scenario-card {
  display: grid; grid-template-columns: 1fr;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(10px);
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.scenario-card:hover { transform: translateY(-4px); border-color: var(--line-strong); }
.scenario-media {
  position: relative;
  background: #000;
  display: flex; align-items: center; justify-content: center;
}
.scenario-media video, .scenario-media img { width: 100%; height: auto; }
.scenario-tag {
  position: absolute; top: 11px; left: 11px;
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 600;
  padding: 5px 12px; border-radius: 999px;
  color: #04121c;
  background: rgba(160, 247, 236, 0.92);
}
.scenario-body { padding: 22px 24px 24px; }
.scenario-body h3 { font-size: 18px; margin-bottom: 8px; }
.scenario-body p { font-size: 14.5px; color: var(--text-2); }

/* 匿名故事 */
.story-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.story-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  backdrop-filter: blur(10px);
  position: relative;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.story-card:hover { transform: translateY(-3px); border-color: var(--line-strong); }
.story-quote {
  font-size: 15px; color: var(--text-2);
  line-height: 1.75; margin-bottom: 16px;
}
.story-quote::before { content: "“"; color: var(--teal); font-size: 26px; font-weight: 700; margin-right: 2px; }
.story-quote::after { content: "”"; color: var(--teal); font-size: 26px; font-weight: 700; margin-left: 2px; }
.story-meta { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-3); }
.story-avatar {
  flex: none; width: 34px; height: 34px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 17px; color: var(--teal);
  background: rgba(94, 234, 212, 0.1);
  border: 1px solid rgba(94, 234, 212, 0.2);
}

/* 前后对比 */
.compare-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.compare-col {
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  border: 1px solid var(--line);
}
.compare-col.before {
  background: rgba(255, 255, 255, 0.025);
}
.compare-col.after {
  background: linear-gradient(180deg, rgba(52, 217, 195, 0.1), rgba(79, 156, 240, 0.06));
  border-color: rgba(94, 234, 212, 0.32);
  box-shadow: var(--glow);
}
.compare-col h3 {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 17px; margin-bottom: 18px;
}
.compare-col.before h3 { color: var(--text-2); }
.compare-col.after h3 { color: var(--teal); }
.compare-col ul { display: grid; gap: 12px; }
.compare-col li {
  display: flex; gap: 11px; align-items: flex-start;
  font-size: 14.5px; color: var(--text-2);
}
.compare-col li i { font-size: 17px; flex: none; margin-top: 2px; }
.compare-col.before li i { color: var(--text-3); }
.compare-col.after li i { color: var(--teal); }

@media (min-width: 720px) {
  .who-for-grid { grid-template-columns: repeat(2, 1fr); }
  .scenario-grid { grid-template-columns: repeat(3, 1fr); }
  .scenario-card { grid-template-columns: 1fr; }
  .story-grid { grid-template-columns: repeat(3, 1fr); }
  .compare-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 860px) {
  .scenario-media video, .scenario-media img { aspect-ratio: 9/16; object-fit: contain; }
}