/* ============================================================
   RoadshowMaster 路演军师 — 官网模板样式
   品牌色：深蓝紫 #0B1026 / 霓虹紫 #7C5CFF / 霓虹青 #22D3EE
   ============================================================ */

:root {
  --ink: #0b1026;
  --ink-2: #131936;
  --ink-3: #1b2150;
  --violet: #7c5cff;
  --violet-soft: #9b8cff;
  --cyan: #22d3ee;
  --text: #1a2040;
  --muted: #5a6284;
  --muted-dark: rgba(226, 230, 255, 0.72);
  --bg: #ffffff;
  --bg-alt: #f5f6fc;
  --line: rgba(20, 25, 60, 0.08);
  --radius: 18px;
  --shadow: 0 10px 40px rgba(11, 16, 38, 0.08);
  --grad: linear-gradient(120deg, #7c5cff 0%, #5a7bff 55%, #22d3ee 100%);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ---------------- 通用排版 ---------------- */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }

.section-dark {
  background:
    radial-gradient(1000px 500px at 85% -10%, rgba(124, 92, 255, 0.22), transparent 60%),
    radial-gradient(800px 400px at 0% 110%, rgba(34, 211, 238, 0.12), transparent 60%),
    var(--ink);
  color: #eef0ff;
}
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark .muted { color: var(--muted-dark); }

.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head.centered,
.section-head h2 { margin-bottom: 12px; }

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--violet);
  background: rgba(124, 92, 255, 0.1);
  border: 1px solid rgba(124, 92, 255, 0.25);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.section-dark .eyebrow {
  color: var(--violet-soft);
  background: rgba(124, 92, 255, 0.16);
  border-color: rgba(124, 92, 255, 0.4);
}

h1, h2, h3 { line-height: 1.25; letter-spacing: -0.01em; }
h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 700; }
h3 { font-size: 19px; font-weight: 600; }

.muted { color: var(--muted); }

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: 1fr 1fr; align-items: center; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 8px 24px rgba(124, 92, 255, 0.35);
}
.btn-primary:hover { box-shadow: 0 12px 32px rgba(124, 92, 255, 0.45); }
.btn-ghost { border: 1px solid rgba(255, 255, 255, 0.3); color: inherit; }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.08); }
.btn-sm { padding: 9px 18px; font-size: 14px; }

/* ---------------- 导航 ---------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(11, 16, 38, 0.92);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.nav.scrolled { background: rgba(11, 16, 38, 0.97); box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25); }
.nav-inner { display: flex; align-items: center; gap: 32px; height: 68px; }

.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.brand-logo { width: 40px; height: 40px; border-radius: 10px; }
.brand-text { color: #fff; font-weight: 700; font-size: 17px; line-height: 1.15; display: flex; flex-direction: column; }
.brand-text small { font-size: 11px; font-weight: 500; color: rgba(226, 230, 255, 0.6); letter-spacing: 0.06em; }

.nav-links { display: flex; gap: 26px; }
.nav-links a { color: rgba(226, 230, 255, 0.75); font-size: 14.5px; font-weight: 500; transition: color 0.15s; }
.nav-links a:hover { color: #fff; }

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  overflow: hidden;
  color: #eef0ff;
  padding: 110px 0 72px;
  background:
    radial-gradient(1100px 560px at 80% -10%, rgba(124, 92, 255, 0.28), transparent 62%),
    radial-gradient(900px 480px at -5% 30%, rgba(34, 211, 238, 0.14), transparent 60%),
    linear-gradient(180deg, #0b1026 0%, #101538 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 20%, #000 40%, transparent 100%);
  pointer-events: none;
}
.hero-glow { position: absolute; border-radius: 50%; filter: blur(90px); pointer-events: none; }
.hero-glow-1 { width: 420px; height: 420px; background: rgba(124, 92, 255, 0.35); top: -120px; right: 8%; }
.hero-glow-2 { width: 320px; height: 320px; background: rgba(34, 211, 238, 0.2); bottom: -80px; left: 4%; }

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 72px;
}

.badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: #d9dcff;
  background: rgba(124, 92, 255, 0.18);
  border: 1px solid rgba(124, 92, 255, 0.45);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
}

.hero h1 { font-size: clamp(38px, 5.4vw, 60px); font-weight: 800; margin-bottom: 20px; }
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub { font-size: 17px; color: var(--muted-dark); max-width: 34em; margin-bottom: 32px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-visual img { border-radius: 20px; box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45); }

/* 数据条 */
.stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 28px 32px;
  backdrop-filter: blur(10px);
}
.stat { text-align: center; }
.stat strong {
  display: block;
  font-size: clamp(24px, 2.6vw, 32px);
  font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat span { font-size: 13.5px; color: var(--muted-dark); }

/* ---------------- 卡片 ---------------- */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 16px 48px rgba(11, 16, 38, 0.12); }
.card h3 { margin-bottom: 10px; }
.card p { font-size: 14.5px; color: var(--muted); }
.card-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  font-size: 22px;
  border-radius: 12px;
  background: rgba(124, 92, 255, 0.1);
  margin-bottom: 16px;
}
.tag-core {
  display: inline-block;
  margin-left: 8px;
  font-size: 11px;
  font-weight: 600;
  color: #fff;
  background: var(--grad);
  padding: 2px 8px;
  border-radius: 999px;
  vertical-align: 2px;
}

/* ---------------- 三大角色 ---------------- */
.role-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.role-card:hover { transform: translateY(-6px); border-color: rgba(124, 92, 255, 0.5); }
.role-card > img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.role-body { padding: 26px 24px 30px; }
.role-tag {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--cyan);
}
.role-body h3 { font-size: 24px; margin: 6px 0 14px; }
.role-body ul { list-style: none; }
.role-body li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  color: var(--muted-dark);
  margin-bottom: 10px;
}
.role-body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--grad);
}

/* ---------------- 工作流 ---------------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  box-shadow: var(--shadow);
}
.step em {
  font-style: normal;
  font-size: 13px;
  font-weight: 700;
  color: var(--violet);
  letter-spacing: 0.1em;
}
.step h3 { margin: 8px 0 6px; }
.step p { font-size: 14px; color: var(--muted); }
.step::after {
  content: "→";
  position: absolute;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(124, 92, 255, 0.5);
  font-size: 20px;
  font-weight: 700;
}
.step:last-child::after { display: none; }

/* ---------------- 产品截图 ---------------- */
.shots { display: grid; gap: 32px; }
.shot { margin: 0; }
.shot img {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.shot figcaption { text-align: center; font-size: 13.5px; color: var(--muted); margin-top: 12px; }

/* ---------------- 技术 ---------------- */
.tech-diagram { border-radius: 16px; border: 1px solid rgba(255, 255, 255, 0.12); }
.tech-list { list-style: none; margin-top: 24px; }
.tech-list li {
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 14.5px;
  color: var(--muted-dark);
}
.tech-list li:last-child { border-bottom: none; }
.tech-list strong {
  display: block;
  color: #fff;
  font-size: 15.5px;
  margin-bottom: 2px;
}

/* ---------------- 市场 ---------------- */
.stat-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
}
.stat-card span { font-size: 13px; font-weight: 600; letter-spacing: 0.08em; color: var(--violet); }
.stat-card strong { display: block; font-size: 30px; font-weight: 800; margin: 8px 0; }
.stat-card p { font-size: 14px; color: var(--muted); }

.chips { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.chips span {
  font-size: 13.5px;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 16px;
  box-shadow: var(--shadow);
}

/* ---------------- 数据飞轮 ---------------- */
.flywheel-wrap { margin-top: 48px; }
.flywheel-wrap img { border-radius: 16px; border: 1px solid var(--line); box-shadow: var(--shadow); }
.fw-title { margin-bottom: 12px; }
.check-list { list-style: none; margin-top: 18px; }
.check-list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 12px;
  font-size: 15px;
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--grad);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  display: grid;
  place-items: center;
}
.section-dark .check-list li { color: var(--muted-dark); }

/* ---------------- 壁垒 ---------------- */
.layer {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 26px 22px;
}
.layer em {
  font-style: normal;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--cyan);
}
.layer h3 { margin: 8px 0; }
.layer p { font-size: 14px; color: var(--muted-dark); }

/* ---------------- 运营与融资 ---------------- */
.funds-use { margin-top: 20px; font-size: 14px; }
.roadmap { display: grid; gap: 16px; margin-top: 24px; }
.road {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
}
.road p { font-size: 14.5px; color: var(--muted); }
.road-tag {
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--violet);
  background: rgba(124, 92, 255, 0.1);
  border: 1px solid rgba(124, 92, 255, 0.3);
  padding: 4px 12px;
  border-radius: 999px;
  white-space: nowrap;
}
.road-tag.now { color: #fff; background: var(--grad); border-color: transparent; }

/* ---------------- 团队 ---------------- */
.member {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease;
}
.member:hover { transform: translateY(-4px); }
.member img {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  margin: 0 auto 16px;
  object-fit: cover;
  border: 3px solid rgba(124, 92, 255, 0.3);
}
.member h3 { font-size: 17px; }
.member h3 small { color: var(--muted); font-weight: 500; font-size: 12.5px; }
.member-role {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--violet);
  margin: 6px 0 12px;
}
.member p { font-size: 13.5px; color: var(--muted); }

/* ---------------- 愿景 ---------------- */
.vision blockquote {
  margin: 20px 0 28px;
  padding: 16px 22px;
  border-left: 3px solid var(--violet);
  background: rgba(124, 92, 255, 0.1);
  border-radius: 0 12px 12px 0;
  font-size: 17px;
  font-weight: 600;
  color: #fff;
}
.mascot { border-radius: 20px; max-height: 560px; object-fit: cover; width: 100%; }
.timeline { list-style: none; }
.timeline li {
  position: relative;
  padding: 0 0 22px 26px;
  border-left: 1px solid rgba(255, 255, 255, 0.15);
  margin-left: 6px;
  font-size: 14.5px;
  color: var(--muted-dark);
}
.timeline li:last-child { padding-bottom: 0; border-left-color: transparent; }
.timeline li::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 4px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--grad);
  box-shadow: 0 0 0 4px rgba(124, 92, 255, 0.2);
}
.timeline strong { display: block; color: #fff; font-size: 15.5px; margin-bottom: 2px; }

/* ---------------- 页脚 ---------------- */
.footer {
  background: #070b1c;
  color: rgba(226, 230, 255, 0.75);
  padding: 88px 0 40px;
}
.footer-cta { text-align: center; max-width: 560px; margin: 0 auto 64px; }
.footer-cta h2 { color: #fff; margin-bottom: 12px; }
.footer-cta p { margin-bottom: 28px; }
.footer-cta .hero-cta { justify-content: center; }
.footer-meta {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 32px;
  font-size: 13.5px;
}
.footer-meta strong { color: #fff; font-size: 15px; }

/* ---------------- 入场动画 ---------------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------------- 响应式 ---------------- */
@media (max-width: 960px) {
  .section { padding: 72px 0; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding-top: 84px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .step::after { display: none; }
  .nav-links { display: none; }
  .stats { grid-template-columns: 1fr 1fr; gap: 24px; }
}
@media (max-width: 560px) {
  .grid-2, .grid-3, .grid-4, .steps { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; padding: 20px; }
  .road { flex-direction: column; }
  .footer-meta { flex-direction: column; }
}