:root {
  --brand: #2f9e62;
  --brand-deep: #1f7a4d;
  --brand-soft: rgba(47, 158, 98, .14);
  --ink: #10221a;
  --muted: #5f6f68;
  --line: #e4ebe7;
  --bg: #fff;
  --bg-soft: #f2f7f4;
  --shadow: 0 20px 50px rgba(16, 34, 26, .12);
  --shadow-soft: 0 8px 32px rgba(16, 34, 26, .08);
  --radius: 18px;
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
  --hero-dark: #0a1c14;
  --page-gutter: 20px;
  --page-max: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: -999px; top: 12px; z-index: 100;
  background: var(--brand); color: #fff; padding: 10px 16px; border-radius: 8px;
}
.skip-link:focus { left: 12px; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
.wrap {
  width: min(var(--page-max), calc(100% - var(--page-gutter) * 2));
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: 0;
  box-sizing: border-box;
}
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0,0,0,.05);
  transition: background .25s, border-color .25s;
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 68px; gap: 12px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.12rem; }
.logo-mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(145deg, var(--brand), var(--brand-deep));
  color: #fff; display: grid; place-items: center; font-size: .9rem; font-weight: 800;
}
.nav-links { display: flex; align-items: center; gap: 2px; flex-wrap: wrap; }
.nav-links > a {
  padding: 8px 12px; border-radius: 8px; color: #333; font-size: .93rem;
}
.nav-links > a:hover { color: var(--brand-deep); background: var(--brand-soft); }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 11px 22px; border-radius: 999px; font-weight: 600; font-size: .95rem;
  border: 1.5px solid transparent; cursor: pointer; transition: .2s; font-family: inherit;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-deep); }
.btn-ghost {
  background: rgba(255,255,255,.12);
  border: 1.5px solid rgba(255,255,255,.45);
  color: #fff;
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(255,255,255,.22); border-color: #fff; }
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  padding: 10px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block; height: 2px; background: #333; border-radius: 2px;
  transition: .2s;
}
.nav.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.hero-carousel {
  position: relative;
  min-height: 82vh;
  color: #fff;
  overflow: hidden;
}
.hero-carousel > .wrap { position: relative; z-index: 2; }
.hero-bg-layer {
  position: absolute; inset: 0;
  background: center / cover no-repeat;
  transform: scale(1.04);
}
.hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(95deg, rgba(8, 22, 15, .9) 0%, rgba(8, 22, 15, .5) 42%, rgba(8, 22, 15, .28) 100%),
    linear-gradient(180deg, transparent 55%, rgba(8, 22, 15, .88) 100%);
}
.hero-stage {
  padding: 128px 0 48px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 32px;
  text-align: left;
  box-sizing: border-box;
}
.hero-copy-minimal {
  width: 100%;
  max-width: none;
  text-align: left;
  margin: 0;
  padding: 0;
}
.hero-kicker {
  margin: 0 0 16px;
  font-size: .8rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #6ed9a0;
  font-weight: 700;
  white-space: nowrap;
}
.hero-carousel h1 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 4.6vw, 3.5rem);
  line-height: 1.14;
  letter-spacing: -.03em;
  font-weight: 900;
}
.hero-subline {
  margin: 0 0 28px;
  font-size: 1.05rem;
  color: rgba(255,255,255,.74);
  font-weight: 500;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-nav {
  display: flex;
  gap: 10px 20px;
  flex-wrap: wrap;
  padding-top: 8px;
  border-top: 1px solid rgba(255,255,255,.12);
  width: 100%;
  justify-content: flex-start;
  align-self: stretch;
}
.hero-nav button {
  border: none;
  background: transparent;
  color: rgba(255,255,255,.55);
  font: inherit;
  font-size: .88rem;
  cursor: pointer;
  padding: 8px 0;
  position: relative;
  transition: color .25s;
}
.hero-nav button span { padding: 0 4px; }
.hero-nav button::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--brand);
  transition: width .3s ease;
}
.hero-nav button.on,
.hero-nav button:hover { color: #fff; }
.hero-nav button.on::after { width: 100%; }
.hero-float-cards {
  display: flex;
  gap: 12px;
  margin-top: 6px;
  flex-wrap: wrap;
}
.float-card {
  flex: 1;
  min-width: 130px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: .82rem;
}
.float-card strong { display: block; font-size: 1.1rem; margin-top: 4px; color: #6ed9a0; }
.hero-dots {
  position: absolute;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  align-items: center;
  z-index: 3;
}
.hero-dots span {
  width: 8px; height: 8px; border-radius: 999px;
  background: rgba(255,255,255,.35);
  transition: width .3s ease, background .3s ease;
}
.hero-dots span.on { width: 28px; background: var(--brand); }
.hero-autoplay-hint {
  position: absolute;
  right: 22px; bottom: 22px; z-index: 3;
  margin: 0;
  font-size: .75rem;
  color: rgba(255,255,255,.42);
  letter-spacing: .02em;
}

.trust-strip {
  background: linear-gradient(90deg, #073522, #0b4a2e);
  color: #fff;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.trust-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  text-align: center;
}
.trust-inner strong {
  display: block;
  font-size: 1.4rem;
  color: #6ed9a0;
  font-weight: 800;
}
.trust-inner span { font-size: .82rem; color: rgba(255,255,255,.72); }

.summary-section { padding-top: 56px; }
.summary-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.summary-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 8px 28px rgba(16,34,26,.04);
}
.summary-card h3 {
  margin: 0 0 12px;
  font-size: 1.15rem;
  color: var(--brand-deep);
}
.summary-card p {
  margin: 0 0 14px;
  color: #475569;
  font-size: .94rem;
  line-height: 1.7;
}
.summary-card ul { margin: 0; padding: 0; list-style: none; }
.summary-card li {
  position: relative;
  padding: 6px 0 6px 22px;
  font-size: .88rem;
  color: var(--muted);
}
.summary-card li::before {
  content: "•";
  position: absolute;
  left: 4px;
  color: var(--brand);
  font-weight: 800;
}

section { padding: 72px 0; }
section.soft { background: var(--bg-soft); }
.sec-title {
  text-align: center; margin: 0 0 12px;
  font-size: clamp(1.45rem, 2.8vw, 2rem); letter-spacing: -.02em;
}
.sec-desc { text-align: center; color: var(--muted); margin: 0 auto 36px; max-width: 44em; }

.module-hub-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.module-hub-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-soft);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.module-hub-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(47, 158, 98, .4);
}
.module-hub-card .hub-icon {
  width: 40px; height: 40px; border-radius: 12px;
  background: var(--brand-soft);
  color: var(--brand-deep);
  font-weight: 800;
  display: grid;
  place-items: center;
}
.module-hub-card h3 { margin: 0; font-size: 1.05rem; }
.module-hub-card p {
  margin: 0;
  font-size: .88rem;
  color: var(--muted);
  line-height: 1.55;
  flex: 1;
}
.module-hub-card .hub-link { font-size: .88rem; font-weight: 600; color: var(--brand-deep); }

.compare-section { padding: 72px 0; background: #fff; }
.compare-table-wrap { overflow-x: auto; border-radius: 16px; border: 1px solid var(--line); }
.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
  background: #fff;
}
.compare-table th,
.compare-table td {
  padding: 16px 18px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  font-size: .94rem;
}
.compare-table thead th { background: var(--bg-soft); font-weight: 700; }
.compare-table tbody th { width: 14%; color: var(--ink); }
.compare-table td.win {
  color: var(--brand-deep);
  font-weight: 600;
  background: rgba(47,158,98,.06);
}
.compare-table tr:last-child th,
.compare-table tr:last-child td { border-bottom: 0; }

.scene-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.case-scene {
  position: relative;
  min-height: 300px;
  border-radius: 20px;
  overflow: hidden;
  border: none;
  box-shadow: var(--shadow-soft);
  transition: transform .35s ease, box-shadow .35s ease;
}
.case-scene:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.case-scene::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8,18,36,.15) 0%, rgba(8,18,36,.88) 72%);
}
.scene-breed { background: linear-gradient(150deg, #25633f, #123a28 60%, #0b2419); }
.scene-herd { background: linear-gradient(150deg, #2f6b4f, #1a3a2a 60%, #0f241a); }
.scene-cost { background: linear-gradient(150deg, #3a5a3f, #22352b 60%, #14221b); }
.scene-safe { background: linear-gradient(150deg, #24507a, #16304d 60%, #0d2033); }
.case-body {
  position: relative;
  z-index: 1;
  padding: 24px;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 300px;
}
.case-scene .avatar {
  width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg, #6ed9a0, #2f9e62);
  color: #08271a;
  display: grid;
  place-items: center;
  font-weight: 800;
  margin-bottom: 14px;
  box-shadow: 0 8px 24px rgba(0,0,0,.25);
}
.case-scene h4 { margin: 0 0 6px; font-size: 1.15rem; }
.case-scene .meta { color: rgba(255,255,255,.7); font-size: .85rem; margin-bottom: 10px; }
.case-scene p { margin: 0; color: rgba(255,255,255,.88); font-size: .9rem; line-height: 1.55; }

.pain-grid-section { background: #fff; }
.pain-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.pain-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow-soft);
}
.pain-tag {
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .08em;
  color: var(--brand-deep);
  margin-bottom: 8px;
}
.pain-card h3 { margin: 0 0 10px; font-size: 1.12rem; }
.pain-before {
  margin: 0 0 14px;
  color: #b45309;
  background: #fffbeb;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: .9rem;
  line-height: 1.55;
}
.pain-solve { margin-bottom: 16px; font-size: .9rem; color: var(--muted); }
.pain-solve strong { display: block; color: var(--ink); margin-bottom: 8px; }
.pain-solve ul { margin: 0; padding-left: 1.1em; }
.pain-solve li { margin-bottom: 4px; }

.faq { background: var(--bg-soft); }
.faq-panel {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  padding: 8px 20px;
  box-shadow: var(--shadow-soft);
  max-width: 860px;
  margin: 0 auto;
}
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 6px 0;
}
.faq details:last-child { border-bottom: none; }
.faq summary {
  cursor: pointer; font-weight: 700; list-style: none;
  display: flex; justify-content: space-between; gap: 12px;
  padding: 12px 0;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--brand); font-size: 1.2rem; }
.faq details[open] summary::after { content: "−"; }
.faq p { margin: 0 0 14px; color: var(--muted); }

.cta-section { background: var(--bg); padding-bottom: 88px; }
.cta-visual {
  position: relative;
  overflow: hidden;
  background: var(--hero-dark);
  border-radius: 28px;
  border: 1px solid rgba(255,255,255,.12);
}
.cta-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(700px 300px at 80% 0%, rgba(47,158,98,.4), transparent 60%),
    linear-gradient(135deg, rgba(8,22,15,.75), rgba(31,122,77,.5));
}
.cta-band {
  position: relative;
  color: #fff;
  padding: 48px 32px;
  text-align: center;
}
.cta-band h2 { margin: 0 0 10px; font-size: clamp(1.5rem, 3vw, 2rem); }
.cta-band p { margin: 0 0 24px; opacity: .9; }
.cta-band .hero-actions { justify-content: center; }
.cta-band .btn-primary { background: #fff; color: var(--brand-deep); }
.cta-band .btn-primary:hover { background: #e8f5ee; }

footer { background: #151515; color: #bbb; padding: 48px 0 28px; font-size: .88rem; }
footer a:hover { color: #fff; }
.foot-main {
  display: grid;
  grid-template-columns: 1.2fr 2fr 1fr;
  gap: 36px 40px;
  margin-bottom: 28px;
}
.foot-brand h4, .foot-cols h4, .foot-contact h4 {
  color: #fff; margin: 0 0 12px; font-size: .95rem;
}
.foot-brand p { margin: 0 0 8px; line-height: 1.6; }
.foot-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.foot-cols ul { margin: 0; padding: 0; list-style: none; }
.foot-cols li { margin: 8px 0; }
.foot-contact h4 { margin: 0 0 12px; font-size: .95rem; }
.foot-phone { margin: 0; line-height: 1.6; }
.foot-phone a {
  color: #6ed9a0;
  font-weight: 700;
  font-size: 1.08rem;
  text-decoration: none;
}
.foot-phone a:hover { color: #fff; }
.foot-wecom { margin: 14px 0 0; text-align: center; }
.foot-wecom img {
  width: 112px; height: 112px;
  border-radius: 12px;
  background: #fff;
  padding: 6px;
  display: block;
  margin: 0 auto;
}
.foot-wecom figcaption { margin-top: 8px; font-size: .78rem; color: #888; }
.copy {
  border-top: 1px solid #2a2a2a; padding-top: 16px;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  color: #777; font-size: .8rem;
}
.copy a { color: #999; text-decoration: none; }
.copy a:hover { color: #fff; text-decoration: underline; }

.demo-wm {
  position: fixed; inset: 0; z-index: 50; pointer-events: none; overflow: hidden;
  display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: repeat(4, 1fr);
  opacity: .1;
}
.demo-wm__item {
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; color: #000; white-space: nowrap;
  transform: rotate(-28deg); user-select: none;
}

@media (max-width: 1100px) {
  .module-hub-grid { grid-template-columns: repeat(2, 1fr); }
  .scene-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 960px) {
  .hero-carousel { min-height: 72vh; }
  .hero-stage { padding: 110px 0 48px; gap: 28px; }
  .foot-main { grid-template-columns: 1fr 1fr; }
  .trust-inner { grid-template-columns: repeat(2, 1fr); }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }
  .nav-links {
    display: none;
    position: absolute;
    top: 68px; left: 0; right: 0;
    background: rgba(255,255,255,.98);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    padding: 12px var(--page-gutter) 20px;
    box-shadow: var(--shadow-soft);
  }
  .nav.nav-open .nav-links { display: flex; }
}
@media (max-width: 640px) {
  .grid-2, .summary-grid, .trust-inner, .pain-grid, .scene-grid { grid-template-columns: 1fr; }
  .module-hub-grid { grid-template-columns: 1fr; }
  .foot-main, .foot-cols { grid-template-columns: 1fr; }
  .hero-dots { display: none; }
  .hero-kicker,
  .hero-carousel h1,
  .hero-subline { white-space: normal; }
  .hero-carousel h1 { font-size: clamp(1.65rem, 7.5vw, 2.15rem); line-height: 1.2; }
}