/* ============================================================
   捷悦 · 推拿针灸门店会员管理系统 — 官网主页样式
   深色科技风 / 简洁明了
   ============================================================ */

:root {
  --bg: #070b14;
  --bg-2: #0a101d;
  --bg-3: #0d1424;
  --card: rgba(255, 255, 255, 0.03);
  --card-hover: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #e8eef8;
  --muted: #94a3b8;
  --muted-2: #64748b;
  --cyan: #22d3ee;
  --indigo: #818cf8;
  --green: #34d399;
  --amber: #fbbf24;
  --pink: #f472b6;
  --grad: linear-gradient(135deg, #22d3ee 0%, #818cf8 100%);
  --radius: 16px;
  --nav-h: 64px;
  --shadow-glow: 0 0 40px rgba(34, 211, 238, 0.18);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

.container { width: min(1160px, 92%); margin: 0 auto; }
.container-narrow { width: min(820px, 92%); }

section { scroll-margin-top: calc(var(--nav-h) + 12px); }

::selection { background: rgba(34, 211, 238, 0.3); }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease,
    border-color 0.2s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(0.98); }

.btn-primary {
  background: var(--grad);
  color: #06121f;
  box-shadow: 0 4px 24px rgba(56, 189, 248, 0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(99, 102, 241, 0.4);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-strong);
  color: var(--text);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.08); transform: translateY(-2px); }

.btn-light { background: #fff; color: #0a1424; }
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(255,255,255,0.2); }

.btn-ghost-light { border-color: rgba(255, 255, 255, 0.35); color: #fff; }
.btn-ghost-light:hover { background: rgba(255, 255, 255, 0.12); transform: translateY(-2px); }

.btn-lg { padding: 14px 30px; font-size: 16px; border-radius: 12px; }
.btn-sm { padding: 7px 16px; font-size: 13.5px; }

/* ---------------- 导航栏 ---------------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 100;
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(7, 11, 20, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}
.nav-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }

.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-logo {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 9px;
  background: var(--grad);
  color: #06121f;
  font-weight: 800;
  font-size: 17px;
  box-shadow: var(--shadow-glow);
}
.brand-name { font-size: 19px; font-weight: 700; letter-spacing: 0.5px; display: flex; align-items: baseline; gap: 8px; }
.brand-name em { font-style: normal; font-size: 12px; font-weight: 500; color: var(--muted); letter-spacing: 2px; }

.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links > a:not(.btn) {
  font-size: 14.5px; color: var(--muted); font-weight: 500;
  transition: color 0.2s ease;
}
.nav-links > a:not(.btn):hover { color: var(--text); }

.nav-toggle {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; border: 0; cursor: pointer; padding: 6px;
}
.nav-toggle span {
  width: 22px; height: 2px; background: var(--text); border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  padding: calc(var(--nav-h) + 72px) 0 96px;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(600px 340px at 15% -5%, rgba(34, 211, 238, 0.14), transparent 65%),
    radial-gradient(700px 400px at 85% 10%, rgba(99, 102, 241, 0.16), transparent 65%);
}
.hero-bg::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.07) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 75%);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 0.94fr 1.06fr;
  gap: 56px;
  align-items: center;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(34, 211, 238, 0.35);
  background: rgba(34, 211, 238, 0.07);
  color: #7dd3fc;
  font-size: 13px; font-weight: 500; letter-spacing: 0.5px;
  margin-bottom: 26px;
}
.hero-badge .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.hero h1 {
  font-size: clamp(34px, 4.4vw, 52px);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: 0.5px;
  margin-bottom: 22px;
}
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  color: var(--muted);
  font-size: 16.5px;
  max-width: 520px;
  margin-bottom: 34px;
}
.hero-sub b { color: var(--text); font-weight: 600; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 46px; }

.hero-stats {
  display: flex; flex-wrap: wrap; gap: 12px 40px;
  padding-top: 26px;
  border-top: 1px solid var(--border);
}
.hstat { display: flex; flex-direction: column; }
.hstat strong { font-size: 24px; font-weight: 700; letter-spacing: 0.5px; }
.hstat span { font-size: 12.5px; color: var(--muted-2); margin-top: 2px; }

/* ---------------- Hero 后台窗口模拟 ---------------- */
.hero-preview { position: relative; }

.window {
  border-radius: 14px;
  border: 1px solid var(--border-strong);
  background: rgba(13, 20, 36, 0.85);
  backdrop-filter: blur(10px);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55), var(--shadow-glow);
  overflow: hidden;
}
.window-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}
.tl { width: 11px; height: 11px; border-radius: 50%; }
.tl.red { background: #ff5f57; } .tl.yellow { background: #febc2e; } .tl.green { background: #28c840; }
.url-pill {
  margin: 0 auto;
  font-size: 11.5px; color: var(--muted-2);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  padding: 3px 40px; border-radius: 6px;
}

.app { display: flex; height: 420px; font-size: 13px; }

.app-side {
  width: 168px; flex-shrink: 0;
  border-right: 1px solid var(--border);
  padding: 14px 10px;
  background: rgba(255, 255, 255, 0.015);
  display: flex; flex-direction: column; gap: 14px;
}
.app-side-logo {
  width: 26px; height: 26px; border-radius: 7px; margin: 0 8px;
  background: var(--grad); color: #06121f;
  display: grid; place-items: center; font-weight: 800; font-size: 13px;
}
.app-menu { list-style: none; display: flex; flex-direction: column; gap: 2px; }
.app-menu li {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 10px; border-radius: 8px;
  color: var(--muted-2); font-size: 12.5px;
  cursor: default;
}
.app-menu li svg { width: 15px; height: 15px; stroke: currentColor; stroke-width: 1.8; fill: none; stroke-linecap: round; stroke-linejoin: round; opacity: 0.9; }
.app-menu li.active {
  color: var(--text);
  background: linear-gradient(90deg, rgba(34, 211, 238, 0.14), rgba(129, 140, 248, 0.1));
  border: 1px solid rgba(34, 211, 238, 0.25);
}

.app-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.app-top {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.app-search {
  display: flex; align-items: center; gap: 8px;
  flex: 1; max-width: 340px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 12px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.app-search:focus-within { border-color: rgba(34, 211, 238, 0.5); box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12); }
.app-search svg { width: 14px; height: 14px; stroke: var(--muted-2); stroke-width: 2; fill: none; stroke-linecap: round; }
.app-search input {
  flex: 1; min-width: 0;
  background: none; border: 0; outline: none;
  color: var(--text); font-size: 12.5px; font-family: inherit;
}
.app-search input::placeholder { color: var(--muted-2); }
.app-user .avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--grad); color: #06121f;
  display: grid; place-items: center; font-size: 12.5px; font-weight: 700;
}

.app-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px;
  padding: 14px 16px 6px;
}
.astat {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 12px;
  display: flex; flex-direction: column; gap: 1px;
}
.astat span { font-size: 11px; color: var(--muted-2); }
.astat strong { font-size: 17px; font-weight: 700; letter-spacing: 0.3px; }
.astat em { font-style: normal; font-size: 10.5px; color: var(--green); }

.app-table-wrap { flex: 1; padding: 10px 16px 12px; overflow: hidden; display: flex; flex-direction: column; }

.app-table { width: 100%; border-collapse: collapse; }
.app-table th {
  text-align: left; font-size: 11px; font-weight: 500;
  color: var(--muted-2); letter-spacing: 0.5px;
  padding: 8px 10px; border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.app-table td {
  padding: 9px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.045);
  color: var(--muted); white-space: nowrap; font-size: 12.5px;
}
.app-table tbody tr { transition: background 0.15s ease; }
.app-table tbody tr:hover { background: rgba(255, 255, 255, 0.03); }
.app-table td:first-child { color: var(--text); font-weight: 600; }

.ava {
  width: 22px; height: 22px; border-radius: 50%;
  display: inline-grid; place-items: center;
  background: color-mix(in srgb, var(--c, #64748b) 22%, transparent);
  color: var(--c, #64748b);
  font-size: 11px; font-style: normal; font-weight: 700;
  margin-right: 8px; vertical-align: middle;
}
.ava.lg { width: 44px; height: 44px; font-size: 18px; margin-right: 0; }

.app-table b.ok { color: var(--cyan); font-weight: 700; }
.app-table b.warn { color: var(--amber); font-weight: 700; }

.tag {
  display: inline-block; padding: 2.5px 9px; border-radius: 999px;
  font-size: 11px; font-weight: 500; letter-spacing: 0.3px;
}
.tag-blue { background: rgba(129, 140, 248, 0.14); color: #a5b4fc; }
.tag-cyan { background: rgba(34, 211, 238, 0.13); color: #67e8f9; }
.tag-green { background: rgba(52, 211, 153, 0.13); color: #6ee7b7; }
.tag-gray { background: rgba(148, 163, 184, 0.12); color: #94a3b8; }
.tag-warn { background: rgba(251, 191, 36, 0.13); color: #fcd34d; }

.mini-btn {
  padding: 4.5px 14px; border-radius: 7px;
  font-size: 11.5px; font-weight: 600;
  background: var(--grad); color: #06121f; border: 0; cursor: pointer;
  transition: filter 0.15s ease;
}
.mini-btn:hover { filter: brightness(1.15); }
.mini-btn.done { background: rgba(255,255,255,0.06); color: var(--muted-2); cursor: default; }

.app-empty {
  padding: 26px; text-align: center; color: var(--muted-2); font-size: 12.5px;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.app-empty svg { width: 26px; height: 26px; stroke: var(--muted-2); stroke-width: 1.8; fill: none; stroke-linecap: round; margin: 0 auto; }

.app-hint {
  margin-top: auto; padding-top: 8px;
  font-size: 11px; color: var(--muted-2); text-align: center;
}

/* 浮动气泡 */
.float-chip {
  position: absolute;
  display: flex; align-items: center; gap: 8px;
  padding: 9px 14px;
  border-radius: 10px;
  background: rgba(13, 20, 36, 0.9);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(8px);
  font-size: 12.5px; font-weight: 600;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
  animation: float 5s ease-in-out infinite;
}
.float-chip svg { width: 15px; height: 15px; stroke: var(--green); stroke-width: 2; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.chip-1 { top: 74px; right: -18px; animation-delay: 0s; }
.chip-2 { bottom: 40px; left: -26px; animation-delay: 2.5s; }
.chip-2 svg { stroke: var(--cyan); }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

/* ---------------- 通用 Section ---------------- */
.section { padding: 100px 0; position: relative; }
.section-alt { background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.section-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section-tag {
  display: inline-block;
  font-size: 12.5px; font-weight: 600; letter-spacing: 3px;
  color: var(--cyan);
  padding: 5px 14px; border-radius: 999px;
  border: 1px solid rgba(34, 211, 238, 0.3);
  background: rgba(34, 211, 238, 0.06);
  margin-bottom: 18px;
}
.section-head h2 { font-size: clamp(26px, 3.2vw, 36px); font-weight: 800; line-height: 1.3; margin-bottom: 14px; }
.section-head p { color: var(--muted); font-size: 15.5px; }

/* ---------------- 功能卡片 ---------------- */
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.feature-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 28px;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
  overflow: hidden;
}
.feature-card::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(360px 160px at 20% 0%, rgba(34, 211, 238, 0.08), transparent 70%);
  opacity: 0; transition: opacity 0.3s ease;
}
.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(34, 211, 238, 0.35);
  background: var(--card-hover);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.35);
}
.feature-card:hover::before { opacity: 1; }

.f-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.14), rgba(129, 140, 248, 0.14));
  border: 1px solid rgba(34, 211, 238, 0.25);
  margin-bottom: 20px;
}
.f-icon svg { width: 23px; height: 23px; stroke: var(--cyan); stroke-width: 1.8; fill: none; stroke-linecap: round; stroke-linejoin: round; }

.feature-card h3 { font-size: 17.5px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { color: var(--muted); font-size: 14px; }

/* ---------------- 产品展示 Tabs ---------------- */
.tabs {
  display: flex; justify-content: center; gap: 10px;
  margin-bottom: 36px; flex-wrap: wrap;
}
.tab {
  padding: 10px 24px; border-radius: 999px;
  background: var(--card); border: 1px solid var(--border);
  color: var(--muted); font-size: 14.5px; font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}
.tab:hover { color: var(--text); border-color: var(--border-strong); }
.tab.active {
  background: var(--grad); color: #06121f;
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.3);
}

.tab-panel { display: none; animation: fadeIn 0.4s ease; }
.tab-panel.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.demo-card {
  background: var(--bg-3);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
  padding: 28px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 28px;
}

/* 面板 1：查询 */
.demo-search-bar {
  display: flex; align-items: center; gap: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(34, 211, 238, 0.45);
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 18px;
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.1);
}
.demo-search-bar svg { width: 16px; height: 16px; stroke: var(--cyan); stroke-width: 2; fill: none; stroke-linecap: round; }
.demo-search-bar span { font-weight: 700; font-size: 14.5px; flex: 1; }
.demo-search-bar kbd {
  font-family: inherit; font-size: 11px; color: var(--muted-2);
  border: 1px solid var(--border-strong); border-radius: 5px; padding: 2px 7px;
  background: rgba(255, 255, 255, 0.04);
}

.member-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 18px;
}
.member-row { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.member-row strong { display: block; font-size: 16px; }
.member-row span { font-size: 12.5px; color: var(--muted-2); }
.member-row .tag { margin-left: auto; }

.pack { margin-bottom: 14px; }
.pack:last-child { margin-bottom: 0; }
.pack-head { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 8px; }
.pack-head span { color: var(--muted); }
.pack-head b { color: var(--text); font-weight: 600; }
.bar {
  height: 8px; border-radius: 99px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}
.bar i {
  display: block; height: 100%;
  background: linear-gradient(90deg, #22d3ee, #67e8f9);
  border-radius: 99px;
}
.bar i.bar-b { background: linear-gradient(90deg, #818cf8, #a5b4fc); }
.bar.lg-bar { height: 10px; }

.demo-right { border-left: 1px solid var(--border); padding-left: 28px; }
.demo-right h4 { font-size: 14.5px; font-weight: 700; margin-bottom: 18px; color: var(--muted); letter-spacing: 1px; }

.timeline { list-style: none; position: relative; }
.timeline li {
  position: relative; padding: 0 0 20px 24px;
  font-size: 13.5px;
}
.timeline li::before {
  content: ""; position: absolute; left: 5px; top: 16px; bottom: -2px;
  width: 1px; background: var(--border-strong);
}
.timeline li:last-child { padding-bottom: 0; }
.timeline li:last-child::before { display: none; }
.timeline b { display: block; font-weight: 600; }
.timeline time { font-size: 11.5px; color: var(--muted-2); }
.tl-dot {
  position: absolute; left: 0; top: 5px;
  width: 11px; height: 11px; border-radius: 50%;
  border: 2px solid var(--bg-3);
}
.tl-in .tl-dot { background: var(--green); box-shadow: 0 0 8px rgba(52, 211, 153, 0.5); }
.tl-use .tl-dot { background: var(--cyan); box-shadow: 0 0 8px rgba(34, 211, 238, 0.5); }
.tl-book .tl-dot { background: var(--indigo); box-shadow: 0 0 8px rgba(129, 140, 248, 0.5); }

/* 面板 2：核销 */
.demo-card.verify { grid-template-columns: 1fr auto 1fr auto 1fr; align-items: stretch; gap: 18px; }
.verify-step {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 22px; display: flex; flex-direction: column; gap: 12px;
}
.v-num {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--grad); color: #06121f;
  display: grid; place-items: center; font-weight: 800; font-size: 14px;
}
.verify-step h4 { font-size: 15.5px; }
.verify-step p { color: var(--muted); font-size: 13px; }
.v-choices { display: flex; gap: 8px; }
.v-chip {
  padding: 6px 16px; border-radius: 8px;
  border: 1px solid var(--border-strong);
  font-size: 13px; color: var(--muted);
}
.v-chip.on {
  background: rgba(34, 211, 238, 0.12);
  border-color: rgba(34, 211, 238, 0.5);
  color: #67e8f9; font-weight: 600;
}
.v-confirm { display: flex; flex-direction: column; gap: 12px; }
.v-count { font-size: 13.5px; color: var(--muted); }
.v-count b { color: var(--cyan); font-weight: 700; }
.verify-arrow {
  align-self: center; color: var(--muted-2); font-size: 20px;
}

/* 面板 3：导入 */
.demo-card.import { grid-template-columns: 1fr 1.2fr; }
.import-file {
  grid-column: 1 / -1;
  display: flex; align-items: center; gap: 16px;
  background: var(--card); border: 1px dashed var(--border-strong); border-radius: 12px;
  padding: 16px 20px;
}
.if-icon {
  width: 42px; height: 42px; border-radius: 10px;
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.25);
  display: grid; place-items: center;
}
.if-icon svg { width: 20px; height: 20px; stroke: var(--cyan); stroke-width: 1.8; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.import-file p { flex: 1; font-size: 14px; }
.import-file p b { display: block; }
.import-file p span { font-size: 12px; color: var(--muted-2); }

.import-progress { grid-column: 1 / -1; }
.ip-head { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.ip-head b { color: var(--cyan); }

.import-result { grid-column: 1 / -1; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.import-result li {
  display: flex; align-items: center; gap: 12px;
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 16px; font-size: 13.5px;
}

/* ---------------- 使用流程 ---------------- */
.flow {
  list-style: none;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  counter-reset: step;
}
.flow-step {
  position: relative;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 24px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.flow-step:hover { transform: translateY(-4px); border-color: rgba(129, 140, 248, 0.4); }
.fs-num {
  font-size: 30px; font-weight: 800; letter-spacing: 1px;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  opacity: 0.85;
  display: block; margin-bottom: 12px;
}
.flow-step h4 { font-size: 16.5px; margin-bottom: 8px; }
.flow-step p { color: var(--muted); font-size: 13.5px; }

/* ---------------- FAQ ---------------- */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  transition: border-color 0.25s ease;
  overflow: hidden;
}
.faq-item[open] { border-color: rgba(34, 211, 238, 0.35); }
.faq-item summary {
  list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 19px 22px;
  font-size: 15.5px; font-weight: 600;
  cursor: pointer;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: #7dd3fc; }
.faq-plus {
  position: relative; flex-shrink: 0;
  width: 20px; height: 20px; border-radius: 6px;
  border: 1px solid var(--border-strong);
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.faq-plus::before, .faq-plus::after {
  content: ""; position: absolute; left: 50%; top: 50%;
  width: 9px; height: 1.6px; border-radius: 2px;
  background: var(--muted);
  transform: translate(-50%, -50%);
  transition: transform 0.25s ease;
}
.faq-plus::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item[open] .faq-plus { border-color: rgba(34, 211, 238, 0.5); }
.faq-item[open] .faq-plus::after { transform: translate(-50%, -50%) rotate(0deg); }
.faq-item p {
  padding: 0 22px 20px;
  color: var(--muted); font-size: 14.5px;
  max-width: 680px;
}

/* ---------------- CTA ---------------- */
.cta { padding: 110px 0; position: relative; overflow: hidden; }
.cta::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(500px 260px at 30% 50%, rgba(34, 211, 238, 0.12), transparent 70%),
    radial-gradient(560px 300px at 75% 50%, rgba(99, 102, 241, 0.14), transparent 70%);
}
.cta-inner {
  position: relative;
  text-align: center;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015));
  border: 1px solid var(--border-strong);
  border-radius: 24px;
  padding: 64px 32px;
  backdrop-filter: blur(6px);
}
.cta h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; margin-bottom: 14px; }
.cta p { color: var(--muted); margin-bottom: 32px; font-size: 15.5px; }
.cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }

/* ---------------- Footer ---------------- */
.footer {
  border-top: 1px solid var(--border);
  background: var(--bg-2);
  padding: 56px 0 0;
}
.footer-inner {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 36px;
  padding-bottom: 44px;
}
.footer-brand p { color: var(--muted-2); font-size: 13.5px; margin-top: 16px; }
.footer-col { display: flex; flex-direction: column; gap: 11px; }
.footer-col h5 { font-size: 13.5px; font-weight: 700; margin-bottom: 5px; color: var(--text); }
.footer-col a, .footer-col span { font-size: 13.5px; color: var(--muted-2); transition: color 0.2s ease; }
.footer-col a:hover { color: var(--cyan); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px;
  padding: 20px 0 26px;
  border-top: 1px solid var(--border);
  font-size: 12.5px; color: var(--muted-2);
}
.footer-bottom a.icp { color: var(--muted-2); transition: color 0.2s ease; }
.footer-bottom a.icp:hover { color: var(--cyan); }

/* ---------------- 入场动画 ---------------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s cubic-bezier(0.2, 0.65, 0.3, 1), transform 0.7s cubic-bezier(0.2, 0.65, 0.3, 1);
}
.reveal.visible { opacity: 1; transform: none; }
.d1 { transition-delay: 0.1s; }
.d2 { transition-delay: 0.2s; }
.d3 { transition-delay: 0.3s; }
.d4 { transition-delay: 0.42s; }

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

/* ---------------- 响应式 ---------------- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 52px; }
  .hero-copy { text-align: center; display: flex; flex-direction: column; align-items: center; }
  .hero-actions { justify-content: center; }
  .app { height: 400px; }
  .chip-1 { right: 0; } .chip-2 { left: 0; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .demo-card.verify { grid-template-columns: 1fr; }
  .verify-arrow { transform: rotate(90deg); }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .hero { padding-top: calc(var(--nav-h) + 48px); padding-bottom: 64px; }
  .hero h1 { font-size: clamp(30px, 8.4vw, 38px); }

  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: rgba(7, 11, 20, 0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 16px 5%;
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: transform 0.25s ease, opacity 0.25s ease;
  }
  .nav-links.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links > a:not(.btn) { padding: 12px 6px; font-size: 15px; }
  .nav-links .btn { margin-top: 10px; justify-content: center; }

  .app { height: auto; }
  .app-side { display: none; }
  .app-stats { grid-template-columns: repeat(2, 1fr); }
  .app-table-wrap { overflow-x: auto; }
  .app-table { min-width: 560px; }

  .features-grid { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; }
  .demo-card { grid-template-columns: 1fr; }
  .demo-right { border-left: 0; padding-left: 0; border-top: 1px solid var(--border); padding-top: 24px; }
  .demo-card.import { grid-template-columns: 1fr; }

  .float-chip { display: none; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .cta-inner { padding: 48px 22px; }
}

@media (max-width: 480px) {
  .hero-stats { gap: 12px 24px; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .import-file { flex-wrap: wrap; }
  .br-m { display: none; }
}