:root {
  --brand: #38bdf8;
  --brand-deep: #0284c7;
  --brand-soft: rgba(56, 189, 248, .14);
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #fff;
  --bg-soft: #f1f5f9;
  --shadow: 0 20px 50px rgba(15, 23, 42, .12);
  --shadow-soft: 0 8px 32px rgba(15, 23, 42, .08);
  --radius: 18px;
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
  --hero-dark: #0a1628;
  --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-deep); 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 { 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;
}
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0,0,0,.05);
}
.nav.nav--dark {
  background: rgba(10, 22, 40, .82);
  border-bottom-color: rgba(255,255,255,.08);
}
.nav.nav--dark .logo,
.nav.nav--dark .nav-links > a { color: #e2e8f0; }
.nav.nav--dark .nav-links > a:hover,
.nav.nav--dark .nav-links > a.on { color: #fff; }
.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: .72rem; 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, .nav-links > a.on { color: var(--brand-deep); }
.nav-links > a.on { box-shadow: inset 0 -2px 0 var(--brand); border-radius: 0; }
.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;
}
.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); }
.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-outline { background: #fff; border-color: var(--brand); color: var(--brand-deep); }
.btn-outline:hover { background: var(--brand-soft); }
.btn-ghost {
  background: rgba(255,255,255,.12);
  border: 1.5px solid rgba(255,255,255,.45);
  color: #fff;
}
.btn-ghost:hover { background: rgba(255,255,255,.22); border-color: #fff; }
.btn-sm { padding: 8px 16px; font-size: .88rem; }

.hero-carousel {
  position: relative;
  min-height: 82vh;
  color: #fff;
  overflow: hidden;
}
.hero-bg-layer {
  position: absolute;
  inset: 0;
  background: center / cover no-repeat;
  transform: scale(1.04);
  transition: background-image .8s ease, transform 8s ease;
}
.hero-carousel.is-zoom .hero-bg-layer { transform: scale(1.08); }
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(95deg, rgba(6, 14, 28, .88) 0%, rgba(6, 14, 28, .45) 42%, rgba(6, 14, 28, .25) 100%),
    linear-gradient(180deg, transparent 55%, rgba(6, 14, 28, .85) 100%);
}
.hero-stage {
  position: relative; z-index: 2;
  padding: 132px 0 64px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 36px;
}
.hero-kicker {
  margin: 0 0 16px;
  font-size: .8rem;
  letter-spacing: .12em;
  color: var(--brand);
  font-weight: 700;
}
.hero-carousel h1 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 4.8vw, 3.65rem);
  line-height: 1.12;
  font-weight: 900;
}
.hero-subline {
  margin: 0 0 32px;
  font-size: 1.05rem;
  color: rgba(255,255,255,.72);
}
.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%;
}
.hero-dots { display: flex; gap: 8px; }
.hero-dots span {
  width: 8px; height: 8px; border-radius: 999px;
  background: rgba(255,255,255,.35);
  transition: width .3s, background .3s;
}
.hero-dots span.on { width: 28px; background: var(--brand); }
.hero-autoplay-hint {
  margin: 0;
  font-size: .75rem;
  color: rgba(255,255,255,.42);
}
.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;
}
.hero-nav button.on, .hero-nav button:hover { color: #fff; }
.hero-nav button.on::after {
  content: '';
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: var(--brand);
}

.trust-strip {
  background: linear-gradient(90deg, #0c1929, #0e3a5f);
  color: #fff;
  padding: 20px 0;
}
.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: var(--brand);
  font-weight: 800;
}
.trust-inner span { font-size: .82rem; color: rgba(255,255,255,.72); }

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);
}
.sec-desc {
  text-align: center; color: var(--muted);
  margin: 0 auto 36px; max-width: 42em;
}

.module-hub-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}
.module-hub-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-soft);
  transition: transform .25s, border-color .25s;
}
.module-hub-card:hover {
  transform: translateY(-4px);
  border-color: rgba(56, 189, 248, .35);
}
.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: 1rem; }
.module-hub-card p { margin: 0; font-size: .85rem; color: var(--muted); flex: 1; }

.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;
  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;
}
.pain-solve { font-size: .9rem; color: var(--muted); margin-bottom: 14px; }
.pain-solve ul { margin: 8px 0 0; padding-left: 1.1em; }

.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: 640px;
  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: 18%; }
.compare-table td.win {
  color: var(--brand-deep);
  font-weight: 600;
  background: rgba(56, 189, 248, .06);
}
.compare-table tr:last-child th,
.compare-table tr:last-child td { border-bottom: 0; }

.case-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.case-scene {
  position: relative;
  min-height: 300px;
  border-radius: 20px;
  overflow: hidden;
  background: var(--hero-dark) center / cover no-repeat;
  box-shadow: var(--shadow-soft);
  transition: transform .35s;
}
.case-scene:hover { transform: translateY(-6px); }
.case-scene::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(8,18,36,.15) 0%, rgba(8,18,36,.88) 72%);
}
.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, var(--brand), #0ea5e9);
  color: #0c1929;
  display: grid; place-items: center;
  font-weight: 800; margin-bottom: 14px;
}
.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; }

.role-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.role-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow-soft);
}
.role-card.highlight {
  border-color: var(--brand);
  background: linear-gradient(180deg, #f0f9ff, #fff);
}
.role-badge {
  display: inline-block;
  font-size: .75rem; font-weight: 700;
  padding: 4px 10px; border-radius: 999px;
  margin-bottom: 12px;
}
.role-badge.admin { background: #e0f2fe; color: #0369a1; }
.role-badge.staff { background: #fef3c7; color: #b45309; }
.role-badge.consumer { background: #ffedd5; color: #c2410c; }
.checks { margin: 0; padding: 0; list-style: none; }
.checks li {
  position: relative;
  padding: 8px 0 8px 28px;
  color: #444; font-size: .92rem;
}
.checks li::before {
  content: "✓";
  position: absolute; left: 0; top: 8px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand-deep);
  display: grid; place-items: center;
  font-size: .75rem; font-weight: 800;
}

.faq details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 18px;
  margin-bottom: 10px;
}
.faq summary { cursor: pointer; font-weight: 700; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq p { margin: 10px 0 0; color: var(--muted); }

.cta-visual {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  padding: 48px 32px;
  text-align: center;
  color: #fff;
  background: var(--hero-dark) center / cover no-repeat;
}
.cta-visual::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(8,18,36,.78), rgba(2,132,199,.5));
}
.cta-visual h2, .cta-visual p, .cta-visual .hero-actions {
  position: relative; z-index: 1;
}
.cta-visual h2 { margin: 0 0 10px; font-size: clamp(1.5rem, 3vw, 2rem); }
.cta-visual p { margin: 0 0 24px; opacity: .9; }
.cta-visual .btn-primary { background: #fff; color: var(--brand-deep); }

/* —— 页脚：与 sport-canguan/intro 一致 —— */
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 { 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 { color: #fff; margin: 0 0 12px; font-size: .95rem; }
.foot-phone { margin: 0; line-height: 1.6; }
.foot-phone a {
  color: var(--brand);
  font-weight: 700;
  font-size: 1.08rem;
}
.foot-wecom { margin: 14px 0 0; text-align: center; }
.foot-wecom img {
  width: 112px; height: 112px;
  border-radius: 12px;
  background: #fff;
  padding: 6px;
  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; }
.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: 0.1;
}
.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;
}
.dock {
  position: fixed; right: 16px; bottom: 24px; z-index: 60;
  display: flex; flex-direction: column; gap: 8px;
}
.dock a {
  width: 54px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 6px;
  text-align: center;
  font-size: .72rem;
  box-shadow: var(--shadow);
  color: #333;
}
.dock a:hover { color: var(--brand-deep); border-color: var(--brand); }
.module-hub-card--link a {
  display: block;
  color: inherit;
}
.module-hub-card--link .hub-go {
  display: inline-block;
  margin-top: 10px;
  font-size: .82rem;
  font-weight: 700;
  color: var(--brand-deep);
}
.module-hub-card--link:hover .hub-go { text-decoration: underline; }

.nav-cta-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.nav-cta-secondary {
  border: 1px solid rgba(255,255,255,.35);
  color: #fff;
  background: transparent;
}
.nav.nav--dark .nav-cta-secondary:hover {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.5);
}

.geo-strip {
  padding: 20px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fafbfc;
  font-size: .88rem;
  color: var(--muted);
}
.geo-strip .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: center;
}
.geo-strip a { color: var(--brand-deep); font-weight: 600; }

@media (max-width: 960px) {
  .module-hub-grid { grid-template-columns: repeat(2, 1fr); }
  .case-track { grid-template-columns: repeat(2, 1fr); }
  .role-cards { grid-template-columns: 1fr; }
  .foot-main { grid-template-columns: 1fr 1fr; }
  .trust-inner { grid-template-columns: repeat(2, 1fr); }
  .nav-toggle { display: flex; }
  .nav-cta-group { 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;
  }
  .nav.nav-open .nav-links { display: flex; }
}
@media (max-width: 640px) {
  .pain-grid, .foot-main, .foot-cols, .case-track, .module-hub-grid, .trust-inner {
    grid-template-columns: 1fr;
  }
  .dock { display: none; }
  .hero-carousel { min-height: 72vh; }
}