/* 设计订单交付 · 游客介绍页（对标 TMS intro 通栏 banner） */
:root {
  --guest-primary: #0284c7;
  --guest-primary-dark: #0369a1;
  --guest-accent: #38bdf8;
  --guest-ink: #0f172a;
  --guest-muted: #64748b;
  --guest-border: #e2e8f0;
  --guest-card: #ffffff;
  --guest-max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.guest-page {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", -apple-system, sans-serif;
  color: var(--guest-ink);
  background: #f1f5f9;
  line-height: 1.65;
  position: relative;
  padding-bottom: 48px;
}
/* 演示水印（与 system/shared/css/ui.css 一致） */
body.guest-page::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 500;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg%20xmlns%3D%27http%3A//www.w3.org/2000/svg%27%20width%3D%27440%27%20height%3D%27280%27%20viewBox%3D%270%200%20440%20280%27%3E%3Ctext%20x%3D%27220%27%20y%3D%27140%27%20font-family%3D%27PingFang%20SC%2CMicrosoft%20YaHei%2Csans-serif%27%20font-size%3D%2713%27%20fill%3D%27rgba%2815%2C23%2C42%2C0.065%29%27%20transform%3D%27rotate%28-28%20220%20140%29%27%20text-anchor%3D%27middle%27%20dominant-baseline%3D%27middle%27%3E%E3%80%90%E7%AE%97%E6%95%B0%E7%A7%91%E6%8A%80%20%20%E6%BC%94%E7%A4%BA%E4%BD%BF%E7%94%A8%20%20%2018016313342%20%E5%BE%AE%E4%BF%A1%E5%90%8C%E5%8F%B7%E3%80%91%3C/text%3E%3C/svg%3E");
  background-repeat: repeat;
}
a { color: var(--guest-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* 顶栏 */
.intro-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.72);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.nav-top {
  max-width: var(--guest-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.intro-nav .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  text-decoration: none;
}
.brand-mark {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--guest-primary), #0d9488);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.72rem; font-weight: 900;
}
.nav-actions { display: flex; gap: 10px; align-items: center; }
.btn-intro {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 8px 18px; border-radius: 999px;
  font-size: 0.85rem; font-weight: 600;
  text-decoration: none; transition: transform .15s, box-shadow .15s;
  border: 1.5px solid transparent;
}
.btn-intro:hover { transform: translateY(-1px); text-decoration: none; }
.btn-intro.primary {
  background: linear-gradient(135deg, var(--guest-primary), #0d9488);
  color: #fff;
  box-shadow: 0 4px 16px rgba(2, 132, 199, 0.35);
}
.btn-intro.ghost {
  background: rgba(255, 255, 255, 0.08);
  color: #e2e8f0;
  border-color: rgba(255, 255, 255, 0.25);
}
.nav-links {
  max-width: var(--guest-max);
  margin: 0 auto;
  padding: 0 24px 10px;
  display: flex; gap: 20px; flex-wrap: wrap;
}
.nav-links a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.82rem;
  text-decoration: none;
}
.nav-links a:hover { color: #fff; }

/* 通栏 Hero Banner */
.hero-deck {
  position: relative;
  min-height: min(92vh, 820px);
  overflow: hidden;
  color: #fff;
}
.hero-track { position: relative; width: 100%; height: 100%; min-height: inherit; }
.hero-slide {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity 1s ease;
  pointer-events: none;
}
.hero-slide.is-active {
  opacity: 1;
  pointer-events: auto;
}
.hero-media { position: absolute; inset: 0; }
.hero-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 8s ease;
}
.hero-slide.is-active .hero-media img { transform: scale(1.08); }
.hero-veil {
  position: absolute; inset: 0;
  background:
    linear-gradient(105deg, rgba(15, 23, 42, 0.88) 0%, rgba(30, 27, 75, 0.72) 42%, rgba(49, 46, 129, 0.45) 100%),
    linear-gradient(180deg, transparent 50%, rgba(15, 23, 42, 0.55) 100%);
}
.hero-inner {
  position: relative; z-index: 2;
  max-width: var(--guest-max);
  margin: 0 auto;
  padding: 140px 24px 100px;
  min-height: inherit;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero-brand {
  margin: 0 0 14px;
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
}
.hero-brand span {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--guest-accent);
  margin-bottom: 10px;
}
.hero-inner h2 {
  margin: 0 0 16px;
  font-size: clamp(1.15rem, 2.5vw, 1.55rem);
  font-weight: 600;
  color: #e2e8f0;
  max-width: 640px;
}
.hero-inner .hero-lead {
  margin: 0 0 28px;
  font-size: 1.02rem;
  color: rgba(226, 232, 240, 0.88);
  max-width: 580px;
  line-height: 1.8;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 36px; }
.hero-stats {
  display: flex; flex-wrap: wrap; gap: 28px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  max-width: 640px;
}
.hero-stats div strong {
  display: block;
  font-size: 1.65rem;
  font-weight: 800;
  color: #f8fafc;
}
.hero-stats div span {
  font-size: 0.78rem;
  color: rgba(203, 213, 225, 0.85);
  letter-spacing: 0.04em;
}
.hero-dots {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex; gap: 8px;
}
.hero-dots button {
  width: 36px; height: 4px;
  border: none; border-radius: 999px;
  background: rgba(255, 255, 255, 0.25);
  cursor: pointer;
  padding: 0;
  transition: background .25s, width .25s;
}
.hero-dots button.is-active {
  background: #fff;
  width: 48px;
}

/* 主体区块 */
.guest-main { padding: 0 0 64px; }
.guest-section {
  max-width: var(--guest-max);
  margin: 0 auto;
  padding: 56px 24px 0;
}
.section-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--guest-primary);
  margin-bottom: 8px;
}
.section-head {
  margin-bottom: 28px;
}
.section-head h2 {
  margin: 0 0 10px;
  font-size: 1.65rem;
  font-weight: 800;
}
.section-head p {
  margin: 0;
  color: var(--guest-muted);
  font-size: 0.95rem;
  max-width: 720px;
}

.guest-card {
  background: var(--guest-card);
  border: 1px solid var(--guest-border);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.04);
  margin-bottom: 20px;
}
.guest-card h3 { margin: 0 0 12px; font-size: 1.05rem; }
.guest-card p { margin: 0; color: var(--guest-muted); font-size: 0.9rem; line-height: 1.85; }

.module-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.module-chips span {
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  background: #f8fafc;
  color: #0369a1;
  border: 1px solid #e0f2fe;
}

.feature-catalog {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.feature-group {
  background: var(--guest-card);
  border: 1px solid var(--guest-border);
  border-radius: 16px;
  padding: 22px 24px 18px;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.03);
}
.feature-group h3 {
  margin: 0 0 14px;
  font-size: 1rem;
  font-weight: 800;
  color: var(--guest-ink);
  padding-bottom: 10px;
  border-bottom: 1px solid #e0f2fe;
}
.feature-group ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.feature-group li {
  position: relative;
  padding: 7px 0 7px 22px;
  font-size: 0.86rem;
  color: var(--guest-muted);
  line-height: 1.55;
  border-bottom: 1px dashed #f1f5f9;
}
.feature-group li:last-child { border-bottom: none; }
.feature-group li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.95em;
  width: 8px;
  height: 8px;
  margin-top: -4px;
  border-radius: 50%;
  background: var(--guest-primary);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.preview-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}
.preview-card {
  background: linear-gradient(145deg, #0f172a, #1e293b);
  color: #e2e8f0;
  border-radius: 16px;
  padding: 22px;
  border: 1px solid rgba(2, 132, 199, 0.25);
  min-height: 150px;
}
.preview-card h3 { font-size: 0.82rem; color: #94a3b8; margin: 0 0 12px; font-weight: 600; }
.preview-kpi { font-size: 1.75rem; font-weight: 800; color: #f1f5f9; }
.preview-sub { font-size: 0.75rem; color: #64748b; margin-top: 6px; }

.level-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.level-item {
  padding: 18px 14px;
  border-radius: 12px;
  background: #f8fafc;
  border: 1px solid var(--guest-border);
  text-align: center;
  font-size: 0.8rem;
  color: var(--guest-muted);
}
.level-item strong {
  display: block;
  color: var(--guest-primary-dark);
  font-size: 0.92rem;
  margin-bottom: 6px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.service-card {
  background: var(--guest-card);
  border: 1px solid var(--guest-border);
  border-radius: 16px;
  padding: 24px;
  transition: box-shadow .2s, border-color .2s;
}
.service-card:hover {
  box-shadow: 0 12px 32px rgba(2, 132, 199, 0.08);
  border-color: #c7d2fe;
}
.service-card .icon { font-size: 2rem; margin-bottom: 10px; }
.service-card h3 { margin: 0 0 8px; font-size: 1rem; }
.service-card p { margin: 0; font-size: 0.85rem; color: var(--guest-muted); line-height: 1.7; }

.entry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.entry-grid .btn-full {
  display: flex; align-items: center; justify-content: center;
  padding: 14px 20px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  transition: transform .15s;
}
.entry-grid .btn-full:hover { transform: translateY(-1px); text-decoration: none; }
.btn-full.primary {
  background: linear-gradient(135deg, var(--guest-primary), #0d9488);
  color: #fff;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.3);
}
.btn-full.secondary {
  background: #fff;
  color: var(--guest-primary-dark);
  border: 1.5px solid #c7d2fe;
}
.btn-full.dark {
  background: #0f172a;
  color: #f1f5f9;
}
.btn-full.outline {
  background: #fff;
  color: var(--guest-muted);
  border: 1px solid var(--guest-border);
}

.guest-foot {
  margin-top: 40px;
  padding: 20px 24px 28px;
  font-size: 0.8rem;
  color: var(--guest-muted);
  border-top: 1px solid var(--guest-border);
  background: #fff;
}
.guest-foot-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  text-align: center;
}
.guest-foot-text strong { color: var(--guest-ink); }
.guest-foot-qr {
  border-radius: 10px;
  border: 1px solid var(--guest-border);
  background: #fff;
  flex-shrink: 0;
}
.guest-foot a { color: var(--guest-muted); }
.guest-foot a:hover { color: var(--guest-primary, #0284c7); }

@media (max-width: 900px) {
  .preview-row, .service-grid, .level-grid, .entry-grid, .feature-catalog { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .hero-inner { padding-top: 110px; padding-bottom: 80px; }
}