/* ============================================================
   银氨净 静态落地页样式
   主题色板复刻自原 React 项目的 tailwind-theme.css
   ============================================================ */

:root {
  --background: hsl(200 20% 98%);
  --foreground: hsl(215 25% 18%);
  --card: hsl(0 0% 100%);
  --card-foreground: hsl(215 25% 18%);
  --popover: hsl(0 0% 100%);
  --primary: hsl(188 75% 38%);
  --primary-foreground: hsl(0 0% 100%);
  --secondary: hsl(190 40% 94%);
  --secondary-foreground: hsl(188 70% 28%);
  --muted: hsl(190 40% 94%);
  --muted-foreground: hsl(215 12% 45%);
  --accent: hsl(190 40% 94%);
  --accent-foreground: hsl(188 70% 28%);
  --info: hsl(221 83% 53%);
  --info-foreground: hsl(230 100% 98%);
  --destructive: hsl(0 84% 60%);
  --destructive-foreground: hsl(0 0% 100%);
  --success: hsl(130 54% 42%);
  --success-foreground: hsl(115 77% 97%);
  --warning: hsl(26 90% 49%);
  --warning-foreground: hsl(33 100% 96%);
  --border: hsl(214 15% 88%);
  --input: hsl(214 15% 88%);
  --ring: hsl(188 75% 38%);
  --radius: 0.75rem;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: var(--background);
  color: var(--foreground);
  font-size: 16px;
  line-height: 1.7;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1rem;
}
@media (min-width: 768px) { .container { padding: 0 1.5rem; } }

/* ---------- 通用 ---------- */
.gradient-text {
  background: linear-gradient(90deg, var(--primary), var(--success));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-info { color: var(--info); }
.text-destructive { color: var(--destructive); }
.text-muted { color: var(--muted-foreground); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  font-size: 1rem;
  padding: 0.75rem 1.5rem;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--success));
  color: #fff;
  box-shadow: 0 8px 20px -6px hsl(188 75% 38% / .5);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px -6px hsl(188 75% 38% / .6); }
.btn-outline {
  background: transparent;
  border: 1px solid hsl(215 25% 18% / .35);
  color: hsl(200 20% 98%);
}
.btn-outline:hover { background: hsl(200 20% 98% / .12); }
.btn-ghost { background: transparent; color: var(--foreground); }
.btn-ghost:hover { background: hsl(190 40% 94% / .6); }
.btn:disabled { opacity: .6; cursor: not-allowed; }
.btn svg, .ico { width: 1.05rem; height: 1.05rem; flex-shrink: 0; vertical-align: middle; }

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}
.badge-pill svg { width: 1rem; height: 1rem; }

/* section 通用 */
.section { padding: 4rem 0; }
@media (min-width: 768px) { .section { padding: 6rem 0; } }
.section-head { text-align: center; max-width: 48rem; margin: 0 auto 3rem; }
.section-head h2 { font-size: 1.875rem; font-weight: 800; margin-bottom: 1rem; }
@media (min-width: 768px) { .section-head h2 { font-size: 2.5rem; } }
.section-head p { color: var(--muted-foreground); font-size: 1rem; }
@media (min-width: 768px) { .section-head p { font-size: 1.125rem; } }

.card {
  background: var(--card);
  border: 1px solid hsl(214 15% 88% / .6);
  border-radius: 1rem;
  box-shadow: 0 1px 3px rgba(0,0,0,.06);
  transition: box-shadow .25s ease, transform .2s ease, border-color .25s ease;
}
.card:hover { box-shadow: 0 10px 30px -12px rgba(0,0,0,.18); }

.icon-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.75rem;
  width: 3.5rem;
  height: 3.5rem;
  flex-shrink: 0;
}
.icon-box svg { width: 1.75rem; height: 1.75rem; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  background: #ffffff;
  box-shadow: 0 2px 10px rgba(0,0,0,.1);
  transition: background .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.site-header.scrolled {
  background: #ffffff;
  box-shadow: 0 2px 16px rgba(0,0,0,.14);
}
.header-inner {
  max-width: 1200px; margin: 0 auto;
  padding: 0 20px; height: 80px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; }
.brand-logo {
  display: flex; align-items: center; justify-content: center;
  height: 50px;
  overflow: hidden;
}
.brand-logo img { height: 100%; width: auto; object-fit: contain; display: block; }
.brand-logo img.dr-green { height: 40px; margin-left: 10px; }
.footer-brand .brand-logo { height: 40px; }
.nav-desktop { display: none; gap: .25rem; }
@media (min-width: 880px) { .nav-desktop { display: flex; margin-left: auto; } }
.nav-desktop a {
  padding: .5rem 1rem; font-size: .9rem; border-radius: .5rem;
  color: hsl(215 25% 18% / .8); transition: color .2s, background .2s;
}
.nav-desktop a:hover { color: var(--primary); background: hsl(190 40% 94% / .5); }

.header-actions { display: flex; align-items: center; gap: .5rem; }
.hamburger { display: inline-flex; }
@media (min-width: 880px) { .hamburger { display: none; } }
.hamburger button {
  background: transparent; border: none; cursor: pointer;
  width: 2.5rem; height: 2.5rem; border-radius: .5rem;
  display: flex; align-items: center; justify-content: center; color: var(--foreground);
}
.hamburger button:hover { background: hsl(190 40% 94% / .6); }

.mobile-menu {
  display: none;
  background: hsl(200 20% 98% / .97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid hsl(214 15% 88% / .4);
}
.mobile-menu.open { display: block; }
.mobile-menu nav { padding: .75rem 1rem 1rem; display: flex; flex-direction: column; gap: .25rem; }
.mobile-menu a {
  padding: .75rem 1rem; font-size: .9rem; border-radius: .5rem;
  color: hsl(215 25% 18% / .8);
}
.mobile-menu a:hover { background: hsl(190 40% 94% / .5); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background-image: url('../images/newWebsite/banner-yaj.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(to top, var(--background), transparent 50%),
    rgba(15, 23, 42, .42);
  opacity: 1;
}
.hero-content { position: relative; z-index: 10; max-width: 80rem; margin: 0 auto; padding: 6rem 1rem 4rem; width: 100%; }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 2.5rem; align-items: center; }
@media (min-width: 920px) { .hero-grid { grid-template-columns: 1.05fr .95fr; gap: 3rem; } }
.hero-content .inner { max-width: 42rem; }
.hero-visual { display: flex; justify-content: center; }
.hero-product {
  width: 100%; max-width: 440px; height: auto;
  border-radius: 1.25rem;
  padding: .5rem;
  background: hsl(200 20% 98% / .06);
  box-shadow: 0 24px 60px -20px rgba(0,0,0,.55);
}
.hero h1 { font-size: 2.5rem; line-height: 1.2; font-weight: 800; color: hsl(200 20% 98%); margin-bottom: 1.25rem; }
@media (min-width: 768px) { .hero h1 { font-size: 3.25rem; } }
@media (min-width: 1024px) { .hero h1 { font-size: 3.75rem; } }
.hero p.lead { font-size: 1.125rem; color: hsl(200 20% 98% / .82); margin-bottom: 2rem; }
@media (min-width: 768px) { .hero p.lead { font-size: 1.25rem; } }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; max-width: 32rem; margin-bottom: 2.5rem; }
.hero-stat { text-align: center; padding: .75rem; border-radius: .9rem; background: hsl(200 20% 98% / .1); border: 1px solid hsl(200 20% 98% / .2); backdrop-filter: blur(4px); }
.hero-stat .num { display: flex; align-items: center; justify-content: center; gap: .25rem; color: var(--primary); margin-bottom: .25rem; }
.hero-stat .num b { font-size: 1.7rem; color: hsl(200 20% 98%); font-weight: 800; }
@media (min-width: 768px) { .hero-stat .num b { font-size: 2rem; } }
.hero-stat .num span { font-size: .85rem; }
.hero-stat .lbl { font-size: .7rem; color: hsl(200 20% 98% / .6); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 1rem; }
.scroll-indicator { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); z-index: 10; text-align: center; color: hsl(200 20% 98% / .65); }
.scroll-indicator .mouse { animation: bounce 1.6s infinite ease-in-out; }
@keyframes bounce { 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(6px);} }

/* ---------- Pain ---------- */
.bg-soft { background: linear-gradient(to bottom, var(--background), hsl(190 40% 94% / .3), var(--background)); }
.pain-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 768px) { .pain-grid { grid-template-columns: repeat(3, 1fr); } }
.pain-card { position: relative; overflow: hidden; padding: 1.75rem; border-radius: 1rem; }
.pain-card .topbar { position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--destructive), var(--warning)); }
.pain-card .icon-box { background: hsl(0 84% 60% / .1); color: var(--destructive); margin-bottom: 1.25rem; }
.pain-card h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: .75rem; display: flex; align-items: center; gap: .5rem; }
.pain-card p { color: var(--muted-foreground); font-size: .95rem; }
.insight-box { margin-top: 3rem; padding: 1.75rem; border-radius: 1rem; text-align: center; background: linear-gradient(90deg, hsl(188 75% 38% / .05), hsl(190 40% 94% / .5), hsl(130 54% 42% / .05)); border: 1px solid hsl(188 75% 38% / .2); }
.insight-box p.title { font-size: 1.125rem; font-weight: 700; margin-bottom: .5rem; }
@media (min-width: 768px) { .insight-box p.title { font-size: 1.25rem; } }
.insight-box p.sub { color: var(--muted-foreground); font-size: .95rem; }

/* ---------- Research ---------- */
.research-grid { display: grid; grid-template-columns: 1fr; gap: 2.5rem; align-items: center; margin-bottom: 4rem; }
@media (min-width: 1024px) { .research-grid { grid-template-columns: 1fr 1fr; gap: 4rem; } }
.media {
  position: relative; aspect-ratio: 4 / 3; border-radius: 1rem; overflow: hidden;
  box-shadow: 0 20px 40px -20px rgba(0,0,0,.35);
  display: flex; align-items: center; justify-content: center;
  background: url('http://www.cslygs.com/images/newWebsite/butler_shiyanshi.jpg') center / cover no-repeat,
              linear-gradient(135deg, hsl(188 75% 38% / .18), hsl(130 54% 42% / .14));
}
.media .media-tag { position: absolute; bottom: 1rem; left: 1rem; color: var(--foreground); font-weight: 600; background: hsl(200 20% 98% / .85); padding: .35rem .75rem; border-radius: .5rem; font-size: .85rem; }
.media.float-badge { /* wrapper handled in HTML */ }
.float-badge-wrap { position: relative; }
.floating-badge {
  position: absolute; bottom: -1.25rem; right: -1.25rem; background: var(--card);
  border-radius: .9rem; box-shadow: 0 10px 30px -12px rgba(0,0,0,.3); padding: 1rem; border: 1px solid hsl(214 15% 88% / .6);
  display: flex; align-items: center; gap: .75rem;
}
.floating-badge .icon-box { background: hsl(188 75% 38% / .1); color: var(--primary); width: 3rem; height: 3rem; }
.floating-badge .icon-box svg { width: 1.5rem; height: 1.5rem; }
.floating-badge .fb-title { font-weight: 700; }
.floating-badge .fb-sub { font-size: .7rem; color: var(--muted-foreground); }

.timeline-title { font-size: 1.5rem; font-weight: 800; margin-bottom: 1.5rem; display: flex; align-items: center; gap: .5rem; }
.timeline { position: relative; padding-left: 1.5rem; }
.timeline::before { content: ""; position: absolute; left: .4rem; top: .5rem; bottom: .5rem; width: 2px; background: linear-gradient(to bottom, var(--primary), var(--success)); }
.timeline-item { position: relative; margin-bottom: 1.5rem; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-item::before { content: ""; position: absolute; left: -1.5rem; top: .35rem; width: .7rem; height: .7rem; border-radius: 50%; background: var(--primary); border: 3px solid var(--card); box-shadow: 0 0 0 1px hsl(188 75% 38% / .4); }
.timeline-item .yr { font-size: 1.1rem; font-weight: 800; color: var(--primary); margin-left: 10px; }
.timeline-item .tt { font-weight: 600; margin-left: .5rem; }
.timeline-item .td { font-size: .875rem; color: var(--muted-foreground); margin: .15rem 0 0 .5rem; }

.badges-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
@media (min-width: 768px) { .badges-grid { grid-template-columns: repeat(4, 1fr); } }
.auth-badge { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 1.25rem; border-radius: .9rem; background: hsl(190 40% 94% / .3); border: 1px solid hsl(214 15% 88% / .4); transition: border-color .2s, background .2s; }
.auth-badge:hover { border-color: hsl(188 75% 38% / .3); background: hsl(188 75% 38% / .05); }
.auth-badge .icon-box { background: hsl(188 75% 38% / .1); color: var(--primary); width: 3rem; height: 3rem; margin-bottom: .75rem; }
.auth-badge .icon-box svg { width: 1.5rem; height: 1.5rem; }
.auth-badge p { font-size: .85rem; font-weight: 500; line-height: 1.3; }

.patent-box { margin-top: 2.5rem; padding: 1.5rem; border-radius: .9rem; background: linear-gradient(90deg, hsl(188 75% 38% / .05), hsl(130 54% 42% / .05)); border: 1px solid hsl(188 75% 38% / .2); display: flex; gap: 1rem; align-items: flex-start; }
.patent-box .icon-box { background: hsl(188 75% 38% / .15); color: var(--primary); width: 3rem; height: 3rem; flex-shrink: 0; }
.patent-box .pt-title { font-weight: 600; margin-bottom: .25rem; }
.patent-box p { font-size: .875rem; color: var(--muted-foreground); }
.patent-box .pt-meta { color: var(--primary); font-size: .75rem; font-weight: 600; margin-top: .4rem; }

/* ---------- Ingredients ---------- */
.ing-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; margin-bottom: 4rem; }
@media (min-width: 1024px) { .ing-grid { grid-template-columns: 1fr 1fr; gap: 3rem; } }
.ing-media { max-width: 44rem; margin: 0 auto 3rem; }
.ing-card { position: relative; overflow: hidden; padding: 2rem; border-radius: 1rem; }
.ing-card .topbar { position: absolute; top: 0; left: 0; right: 0; height: 6px; }
.ing-card .ing-head { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.25rem; }
.ing-card .icon-box { color: #fff; box-shadow: 0 8px 20px -8px hsl(188 75% 38% / .5); }
.ing-card h3 { font-size: 1.25rem; font-weight: 800; }
.ing-card .mech { font-size: .85rem; color: var(--primary); font-weight: 600; }
.ing-card .desc { color: var(--muted-foreground); font-size: .95rem; margin-bottom: 1.25rem; }
.ing-feats { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; }
.ing-feats div { display: flex; align-items: center; gap: .4rem; font-size: .875rem; color: hsl(215 25% 18% / .8); }
.ing-feats .dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }

.steps { text-align: center; }
.steps h3 { font-size: 1.5rem; font-weight: 800; margin-bottom: .5rem; }
.steps .sub { color: var(--muted-foreground); margin-bottom: 2.5rem; }
.steps-row { display: grid; grid-template-columns: 1fr; gap: 1.5rem; position: relative; }
@media (min-width: 768px) { .steps-row { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 768px) {
  .steps-row::before { content: ""; position: absolute; top: 4rem; left: 16.67%; right: 16.67%; height: 2px; background: linear-gradient(90deg, var(--primary), var(--success)); }
}
.step { display: flex; flex-direction: column; align-items: center; text-align: center; position: relative; z-index: 1; }
.step .circle { width: 8rem; height: 8rem; border-radius: 50%; background: var(--card); border: 4px solid hsl(188 75% 38% / .2); display: flex; align-items: center; justify-content: center; font-size: 2rem; font-weight: 800; margin-bottom: 1.25rem; box-shadow: 0 10px 30px -12px rgba(0,0,0,.2); }
.step h4 { font-size: 1.125rem; font-weight: 700; margin-bottom: .5rem; }
.step p { font-size: .875rem; color: var(--muted-foreground); max-width: 18rem; }

.synergy { margin-top: 4rem; padding: 2rem; border-radius: 1rem; background: linear-gradient(90deg, hsl(188 75% 38% / .1), hsl(190 40% 94%), hsl(130 54% 42% / .1)); border: 1px solid hsl(188 75% 38% / .2); display: flex; flex-direction: column; gap: 1.5rem; align-items: center; }
@media (min-width: 768px) { .synergy { flex-direction: row; gap: 1.5rem; } }
.synergy .badge-logo { width: 5rem; height: 5rem; border-radius: 1rem; background: linear-gradient(135deg, var(--primary), var(--success)); display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 20px -8px hsl(188 75% 38% / .5); flex-shrink: 0; }
.synergy .badge-logo img { width: 3.5rem; height: 3.5rem; object-fit: contain; }
.synergy h4 { font-size: 1.25rem; font-weight: 800; margin-bottom: .5rem; }
.synergy p { color: var(--muted-foreground); }

/* ---------- Features (FABE 手风琴) ---------- */
.fabe-legend { display: flex; flex-wrap: wrap; justify-content: center; gap: .75rem; margin-bottom: 2.5rem; }
.fabe-legend .item { display: flex; align-items: center; gap: .4rem; }
.fabe-legend .tag { padding: .25rem .6rem; border-radius: .4rem; font-size: .7rem; font-weight: 800; }
.fabe-legend .tag.f { background: hsl(188 75% 38% / .1); color: var(--primary); }
.fabe-legend .tag.a { background: hsl(130 54% 42% / .1); color: var(--success); }
.fabe-legend .tag.b { background: hsl(26 90% 49% / .1); color: var(--warning); }
.fabe-legend .tag.e { background: hsl(221 83% 53% / .1); color: var(--info); }
.fabe-legend .sub { font-size: .875rem; color: var(--muted-foreground); }

.feat-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 768px) { .feat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .feat-grid { grid-template-columns: repeat(3, 1fr); } }
.feat-card { position: relative; overflow: hidden; border-radius: 1rem; transition: box-shadow .3s, border-color .3s, transform .2s; border: 1px solid hsl(214 15% 88% / .6); background: var(--card); }
.feat-card:hover { transform: translateY(-4px); }
.feat-card.expanded { border-color: hsl(188 75% 38% / .4); box-shadow: 0 10px 30px -12px hsl(188 75% 38% / .25); }
.feat-head { width: 100%; text-align: left; background: transparent; border: none; cursor: pointer; padding: 1.5rem; display: block; }
.feat-head .row { display: flex; align-items: flex-start; gap: 1rem; }
.feat-head .icon-box { color: #fff; background: linear-gradient(135deg, var(--primary), var(--success)); box-shadow: 0 8px 20px -8px hsl(188 75% 38% / .5); }
.feat-card:not(.expanded) .feat-head .icon-box { background: hsl(188 75% 38% / .1); color: var(--primary); }
.feat-head .ft-title { font-size: 1.125rem; font-weight: 700; display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.feat-head .chev { width: 1.25rem; height: 1.25rem; color: var(--muted-foreground); transition: transform .3s; }
.feat-card.expanded .chev { transform: rotate(180deg); color: var(--primary); }
.feat-head .hl { font-size: .875rem; font-weight: 600; color: var(--primary); margin-top: .25rem; }
.feat-benefit { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid hsl(214 15% 88% / .4); display: flex; gap: .5rem; }
.feat-benefit .tag { flex-shrink: 0; padding: .1rem .4rem; border-radius: .25rem; font-size: .65rem; font-weight: 800; background: hsl(26 90% 49% / .1); color: var(--warning); }
.feat-benefit p { font-size: .875rem; color: hsl(215 25% 18% / .9); }
.feat-detail { overflow: hidden; max-height: 0; transition: max-height .3s ease; }
.feat-detail .inner { padding: 0 1.5rem 1.5rem; border-top: 1px solid hsl(214 15% 88% / .4); margin-top: -1px; }
.feat-detail .line { display: flex; align-items: flex-start; gap: .75rem; margin-top: 1rem; }
.feat-detail .tagmini { flex-shrink: 0; font-size: .65rem; font-weight: 800; border-radius: .3rem; padding: .15rem .5rem; }
.feat-detail .tagmini.f { background: hsl(188 75% 38% / .1); color: var(--primary); }
.feat-detail .tagmini.a { background: hsl(130 54% 42% / .1); color: var(--success); }
.feat-detail .tagmini.e { background: hsl(221 83% 53% / .1); color: var(--info); border: 1px solid hsl(221 83% 53% / .2); }
.feat-detail .line p { font-size: .875rem; color: var(--muted-foreground); }
.feat-detail .evi { display: flex; align-items: center; gap: .4rem; }
.feat-detail .evi svg { width: 1rem; height: 1rem; color: var(--info); flex-shrink: 0; }
.feat-card .bottombar { position: absolute; bottom: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--primary), var(--success)); opacity: 0; transition: opacity .3s; }
.feat-card.expanded .bottombar, .feat-card:hover .bottombar { opacity: 1; }

/* ---------- Comparison ---------- */
.cmp-table { border-radius: 1rem; overflow: hidden; box-shadow: 0 10px 30px -16px rgba(0,0,0,.3); border: 1px solid hsl(214 15% 88% / .6); background: var(--card); }
.cmp-row { display: grid; grid-template-columns: 1.2fr 1fr 1fr; }
.cmp-row > div { padding: 1rem 1.25rem; display: flex; align-items: center; justify-content: center; text-align: center; }
.cmp-head { background: hsl(190 40% 94% / .5); font-weight: 600; }
.cmp-head .col-trad { color: var(--muted-foreground); }
.cmp-head .col-ours { font-weight: 800; }
.cmp-row .dim { justify-content: flex-start; font-weight: 500; }
.cmp-row .trad { border-left: 1px solid hsl(214 15% 88% / .4); gap: .4rem; color: var(--muted-foreground); }
.cmp-row .trad .val { text-decoration: line-through; text-decoration-color: hsl(0 84% 60% / .4); }
.cmp-row .ours { border-left: 1px solid hsl(214 15% 88% / .4); background: hsl(188 75% 38% / .03); gap: .4rem; font-weight: 600; }
.cmp-row + .cmp-row .dim, .cmp-row + .cmp-row .trad, .cmp-row + .cmp-row .ours { border-top: 1px solid hsl(214 15% 88% / .4); }
.cmp-summary { display: grid; grid-template-columns: 1fr; gap: 1rem; margin-top: 2.5rem; }
@media (min-width: 768px) { .cmp-summary { grid-template-columns: repeat(3, 1fr); } }
.cmp-sum { padding: 1.25rem; border-radius: .9rem; text-align: center; }
.cmp-sum.p { background: linear-gradient(135deg, hsl(188 75% 38% / .1), hsl(188 75% 38% / .05)); border: 1px solid hsl(188 75% 38% / .2); }
.cmp-sum.s { background: linear-gradient(135deg, hsl(130 54% 42% / .1), hsl(130 54% 42% / .05)); border: 1px solid hsl(130 54% 42% / .2); }
.cmp-sum.w { background: linear-gradient(135deg, hsl(26 90% 49% / .1), hsl(26 90% 49% / .05)); border: 1px solid hsl(26 90% 49% / .2); }
.cmp-sum .big { font-size: 2rem; font-weight: 800; margin-bottom: .25rem; }
.cmp-sum.p .big { color: var(--primary); } .cmp-sum.s .big { color: var(--success); } .cmp-sum.w .big { color: var(--warning); }
.cmp-sum p { font-size: .85rem; color: var(--muted-foreground); }
.cmp-slogan { margin-top: 3rem; text-align: center; }
.cmp-slogan .sline { font-size: 1.25rem; font-weight: 800; display: inline-flex; align-items: center; gap: .5rem; flex-wrap: wrap; justify-content: center; }
@media (min-width: 768px) { .cmp-slogan .sline { font-size: 1.5rem; } }
.cmp-slogan .sline svg { width: 1.25rem; height: 1.25rem; color: var(--primary); }
.cmp-slogan p { color: var(--muted-foreground); margin-top: .5rem; font-size: .95rem; }

/* ---------- Scenarios ---------- */
.scn-main { display: grid; grid-template-columns: 1fr; gap: 2rem; margin-bottom: 4rem; }
@media (min-width: 1024px) { .scn-main { grid-template-columns: 3fr 2fr; gap: 2rem; } }
.scn-media { position: relative; border-radius: 1rem; overflow: hidden; box-shadow: 0 20px 40px -20px rgba(0,0,0,.3); aspect-ratio: 16/9; background-color: hsl(188 75% 38% / .12); background-size: cover; background-position: center; background-repeat: no-repeat; display: flex; align-items: center; justify-content: center; }
.scn-media .media-icon { width: 4rem; height: 4rem; color: hsl(188 75% 38%); opacity: .7; }
.scn-media .cap { position: absolute; bottom: 1.5rem; left: 1.5rem; right: 1.5rem; color: hsl(200 20% 98%); text-shadow: 0 1px 6px rgba(0,0,0,.55); }
.scn-media .cap h3 { font-size: 1.25rem; font-weight: 800; }
.scn-media .cap p { font-size: .9rem; color: hsl(200 20% 98% / .9); }
.scn-media-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.scn-media-col .scn-media { aspect-ratio: 4 / 3; }
.scn-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.scn-card { padding: 1.25rem; border-radius: .9rem; background: hsl(190 40% 94% / .3); border: 1px solid hsl(214 15% 88% / .5); transition: border-color .2s, background .2s, transform .2s; }
.scn-card:hover { border-color: hsl(188 75% 38% / .3); background: hsl(188 75% 38% / .05); transform: translateY(-4px); }
.scn-card .icon-box { background: hsl(188 75% 38% / .1); color: var(--primary); width: 2.5rem; height: 2.5rem; margin-bottom: .75rem; }
.scn-card .icon-box svg { width: 1.25rem; height: 1.25rem; }
.scn-card h4 { font-weight: 600; font-size: .95rem; margin-bottom: .25rem; }
.scn-card p { font-size: .8rem; color: var(--muted-foreground); }

.usage { margin-bottom: 4rem; }
.usage h3 { font-size: 1.5rem; font-weight: 800; text-align: center; margin-bottom: 2.5rem; }
.usage-row { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 768px) { .usage-row { grid-template-columns: repeat(3, 1fr); } }
.usage-card { position: relative; padding: 1.5rem; border-radius: 1rem; background: var(--card); border: 1px solid hsl(214 15% 88% / .6); text-align: center; }
.usage-card .num { position: absolute; top: -1rem; left: 50%; transform: translateX(-50%); width: 2rem; height: 2rem; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--success)); color: #fff; font-size: .85rem; font-weight: 800; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 12px -4px hsl(188 75% 38% / .5); }
.usage-card .emoji { font-size: 2.25rem; margin-bottom: .75rem; }
.usage-card h4 { font-size: 1.125rem; font-weight: 700; margin-bottom: .5rem; }
.usage-card p { font-size: .875rem; color: var(--muted-foreground); }

.coverage { padding: 1.5rem; border-radius: 1rem; background: linear-gradient(90deg, hsl(188 75% 38% / .1), hsl(130 54% 42% / .05), hsl(188 75% 38% / .1)); border: 1px solid hsl(188 75% 38% / .2); }
@media (min-width: 768px) { .coverage { padding: 2.5rem; } }
.coverage .cov-row { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 768px) { .coverage .cov-row { grid-template-columns: repeat(3, 1fr); gap: 2.5rem; } }
.coverage .cov { text-align: center; }
.coverage .cov .lab { display: flex; align-items: center; justify-content: center; gap: .4rem; font-size: .85rem; color: var(--muted-foreground); margin-bottom: .5rem; }
.coverage .cov .val { font-size: 1.5rem; font-weight: 800; }
@media (min-width: 768px) { .coverage .cov .val { font-size: 1.875rem; } }

/* ---------- CTA ---------- */
.cta { position: relative; overflow: hidden; background: linear-gradient(135deg, hsl(188 75% 38% / .05), var(--background), hsl(130 54% 42% / .05)); }
.cta::before, .cta::after { content: ""; position: absolute; border-radius: 50%; filter: blur(60px); }
.cta::before { width: 24rem; height: 24rem; top: -8rem; right: -8rem; background: hsl(188 75% 38% / .12); }
.cta::after { width: 24rem; height: 24rem; bottom: -8rem; left: -8rem; background: hsl(130 54% 42% / .12); }
.cta .container { position: relative; z-index: 1; }
.cta-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 1024px) { .cta-grid { grid-template-columns: 2fr 3fr; gap: 3rem; } }
.contact-card, .form-card { padding: 1.75rem; border-radius: 1rem; background: var(--card); border: 1px solid hsl(214 15% 88% / .6); box-shadow: 0 1px 3px rgba(0,0,0,.06); }
@media (min-width: 768px) { .contact-card, .form-card { padding: 2rem; } }
.contact-card h3, .form-card h3 { font-size: 1.25rem; font-weight: 800; margin-bottom: 1.5rem; }
.contact-list { display: flex; flex-direction: column; gap: 1.25rem; }
.contact-item { display: flex; align-items: flex-start; gap: 1rem; }
.contact-item .icon-box { width: 2.75rem; height: 2.75rem; }
.contact-item.p .icon-box { background: hsl(188 75% 38% / .1); color: var(--primary); }
.contact-item.m .icon-box { background: hsl(130 54% 42% / .1); color: var(--success); }
.contact-item.a .icon-box { background: hsl(26 90% 49% / .1); color: var(--warning); }
.contact-item .ci-label { font-size: .8rem; color: var(--muted-foreground); }
.contact-item .ci-val { font-weight: 700; font-size: 1.05rem; }
.contact-item .ci-sub { font-size: .7rem; color: var(--muted-foreground); }
.trust-box { margin-top: 1.5rem; padding: 1.25rem; border-radius: .9rem; background: linear-gradient(90deg, hsl(188 75% 38% / .05), hsl(130 54% 42% / .05)); border: 1px solid hsl(188 75% 38% / .2); }
.trust-box .tb-head { display: flex; align-items: center; gap: .5rem; font-weight: 600; font-size: .9rem; margin-bottom: .5rem; }
.trust-box .tb-head svg { width: 1.25rem; height: 1.25rem; color: var(--success); }
.trust-box p { font-size: .8rem; color: var(--muted-foreground); }

.form-card .form-sub { font-size: .875rem; color: var(--muted-foreground); margin-bottom: 1.5rem; }
.field { margin-bottom: 1.25rem; }
.field label { display: flex; align-items: center; gap: .35rem; font-size: .875rem; font-weight: 600; margin-bottom: .5rem; }
.field label svg { width: 1rem; height: 1rem; color: var(--muted-foreground); }
.field .req { color: var(--destructive); }
.field input,.field textarea { width: 100%; height: 2.75rem; padding: 0 .9rem; border: 1px solid var(--input); border-radius: .6rem; font-size: .95rem; font-family: inherit; transition: border-color .2s, box-shadow .2s; background: #fff; color: var(--foreground); }
.field input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px hsl(188 75% 38% / .15); }
.form-note { font-size: .75rem; color: var(--muted-foreground); text-align: center; margin-top: .75rem; }
.form-success { text-align: center; padding: 3rem 1rem; }
.form-success .ok { width: 4rem; height: 4rem; border-radius: 50%; background: hsl(130 54% 42% / .1); display: flex; align-items: center; justify-content: center; margin: 0 auto 1rem; }
.form-success .ok svg { width: 2rem; height: 2rem; color: var(--success); }
.form-success h4 { font-size: 1.25rem; font-weight: 800; margin-bottom: .5rem; }
.form-success p { color: var(--muted-foreground); }

/* ---------- Footer ---------- */
.site-footer { background: var(--foreground); color: hsl(200 20% 98% / .9); }
.footer-inner { max-width: 80rem; margin: 0 auto; padding: 3rem 1rem; }
@media (min-width: 768px) { .footer-inner { padding: 4rem 1.5rem; } }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }
.footer-brand .brand { margin-bottom: 1rem; }
.footer-brand .brand-logo {
  height: 2.75rem;
  padding: 0.35rem 0.7rem;
  background: hsl(200 20% 98%);
  border-radius: 0.5rem;
}
.footer-brand p { font-size: .875rem; color: hsl(200 20% 98% / .7); max-width: 28rem; }
.footer-brand .patent-row { display: flex; align-items: center; gap: .5rem; margin-top: 1rem; font-size: .75rem; color: hsl(200 20% 98% / .7); }
.footer-brand .patent-row svg { width: 1rem; height: 1rem; color: var(--primary); }
.footer-col h4 { font-weight: 600; color: hsl(200 20% 98%); margin-bottom: 1rem; font-size: .875rem; }
.footer-col ul { display: flex; flex-direction: column; gap: .75rem; font-size: .875rem; color: hsl(200 20% 98% / .7); }
.footer-col .ci { display: flex; align-items: flex-start; gap: .5rem; }
.footer-col .ci svg { width: 1rem; height: 1rem; color: var(--primary); flex-shrink: 0; margin-top: .15rem; }
.footer-col a:hover { color: var(--primary); }
.footer-bottom { border-top: 1px solid hsl(200 20% 98% / .1); margin-top: 2.5rem; padding-top: 1.5rem; display: flex; flex-direction: column; gap: 1rem; font-size: .75rem; color: hsl(200 20% 98% / .5); }
@media (min-width: 768px) { .footer-bottom { flex-direction: row; justify-content: space-between; align-items: center; } }

/* ---------- Floating CTA ---------- */
.floating-cta { position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 50; display: none; flex-direction: column; align-items: center; gap: .25rem; }
.floating-cta.show { display: flex; }
.floating-cta button { width: 3.5rem; height: 3.5rem; border-radius: 50%; border: none; cursor: pointer; background: linear-gradient(135deg, var(--primary), var(--success)); color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 10px 24px -8px hsl(188 75% 38% / .55); transition: transform .15s, box-shadow .2s; }
.floating-cta button:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -8px hsl(188 75% 38% / .65); }
.floating-cta button svg { width: 1.5rem; height: 1.5rem; }
.floating-cta .lbl { font-size: .7rem; color: var(--muted-foreground); background: hsl(200 20% 98% / .85); backdrop-filter: blur(4px); padding: .1rem .5rem; border-radius: 999px; border: 1px solid hsl(214 15% 88% / .6); }

/* ---------- 滚动揭示动画 ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in-view { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .1s; } .reveal.d2 { transition-delay: .2s; } .reveal.d3 { transition-delay: .3s; } .reveal.d4 { transition-delay: .4s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Concept (自净猪舍定位) ---------- */
.concept { background: var(--background); }
.concept-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 768px) { .concept-grid { grid-template-columns: repeat(3, 1fr); } }
.concept-card { padding: 2rem; border-radius: 1rem; text-align: center; }
.concept-card .icon-box { margin: 0 auto 1.25rem; }
.concept-card h3 { font-size: 1.25rem; font-weight: 800; margin-bottom: .75rem; }
.concept-card p { color: var(--muted-foreground); font-size: .95rem; }

/* ---------- Pain 4 列 ---------- */
@media (min-width: 768px) { .pain-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .pain-grid { grid-template-columns: repeat(4, 1fr); } }

/* ---------- 机理循环 callout ---------- */
.mech-callout { margin-top: 3rem; padding: 1.75rem; border-radius: 1rem; background: linear-gradient(90deg, hsl(188 75% 38% / .06), hsl(130 54% 42% / .06)); border: 1px solid hsl(188 75% 38% / .2); display: flex; flex-direction: column; gap: 1rem; align-items: flex-start; }
@media (min-width: 768px) { .mech-callout { flex-direction: row; align-items: center; gap: 1.5rem; } }
.mech-callout .mc-icon { flex-shrink: 0; width: 3.5rem; height: 3.5rem; border-radius: .9rem; background: linear-gradient(135deg, var(--primary), var(--success)); color: #fff; display: flex; align-items: center; justify-content: center; }
.mech-callout .mc-icon svg { width: 1.75rem; height: 1.75rem; }
.mech-callout h4 { font-size: 1.125rem; font-weight: 800; margin-bottom: .5rem; }
.mech-callout p { color: var(--muted-foreground); font-size: .95rem; }
.mech-callout b { color: var(--primary); }

/* ---------- 权威检测 ---------- */
.auth-reports { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 768px) { .auth-reports { grid-template-columns: 1fr 1fr; } }
.auth-report { padding: 1.75rem; border-radius: 1rem; }
.auth-report .ar-head { display: flex; align-items: center; gap: .75rem; margin-bottom: 1rem; }
.auth-report .ar-ico { flex-shrink: 0; width: 2.75rem; height: 2.75rem; border-radius: .75rem; background: hsl(188 75% 38% / .1); color: var(--primary); display: flex; align-items: center; justify-content: center; }
.auth-report .ar-ico svg { width: 1.5rem; height: 1.5rem; }
.auth-report .ar-title { font-weight: 700; font-size: 1rem; }
.auth-report .ar-sub { font-size: .75rem; color: var(--muted-foreground); }
.auth-report .ar-body { color: var(--muted-foreground); font-size: .92rem; line-height: 1.7; }
.auth-report .ar-body b { color: var(--primary); }

/* ---------- 使用场景 SOP ---------- */
.sop-title { font-size: 1.25rem; font-weight: 800; text-align: center; margin: 3rem 0 2rem; }
@media (min-width: 768px) { .sop-title { font-size: 1.5rem; } }
.sop-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (min-width: 768px) { .sop-grid { grid-template-columns: repeat(3, 1fr); } }
.sop-card { padding: 1.25rem; border-radius: .9rem; background: var(--card); border: 1px solid hsl(214 15% 88% / .6); }
.sop-card .sop-ic { width: 2.5rem; height: 2.5rem; border-radius: .7rem; background: hsl(188 75% 38% / .1); color: var(--primary); display: flex; align-items: center; justify-content: center; margin-bottom: .75rem; }
.sop-card .sop-ic svg { width: 1.25rem; height: 1.25rem; }
.sop-card .sop-name { font-weight: 700; font-size: .95rem; }
.sop-card .sop-ratio { display: inline-block; margin: .25rem 0 .5rem; padding: .1rem .5rem; border-radius: .4rem; font-size: .75rem; font-weight: 800; background: hsl(188 75% 38% / .1); color: var(--primary); }
.sop-card p { font-size: .8rem; color: var(--muted-foreground); }
.ramp-note { margin-top: 2rem; padding: 1.25rem 1.5rem; border-radius: .9rem; background: hsl(26 90% 49% / .06); border: 1px solid hsl(26 90% 49% / .25); display: flex; gap: .75rem; align-items: flex-start; }
.ramp-note .rn-ico { flex-shrink: 0; width: 1.5rem; height: 1.5rem; color: var(--warning); margin-top: .1rem; }
.ramp-note p { font-size: .85rem; color: hsl(215 25% 22%); line-height: 1.7; }
.ramp-note b { color: var(--warning); }
/*屏幕宽度小于768*/
@media (max-width: 768px) {
  .header-inner { height: 70px; }
  .brand-logo { height: 40px; }
}