/* Plot · 官网样式
   设计语言：浅灰底 + 白色卡片 + 紫罗兰品牌色，强调「精确、干净、可发表」 */

:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --ink: #14121f;
  --ink-2: #454356;
  --sub: #7c7a8d;
  --line: #e9e8ef;
  --line-2: #dedce8;

  --violet: #7c3aed;
  --violet-d: #6425d0;
  --violet-dd: #3f167f;
  --violet-soft: #f3edff;
  --violet-soft-2: #e7dcff;
  --lav: #c4b5fd;

  --radius: 12px;
  --radius-lg: 18px;
  --shadow-s: 0 1px 2px rgba(20, 18, 31, .04);
  --shadow-m: 0 8px 24px -12px rgba(20, 18, 31, .18);
  --shadow-l: 0 28px 70px -30px rgba(63, 22, 127, .42);

  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scrollbar-gutter: stable; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.65 var(--font);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; font-weight: 700; letter-spacing: -.3px; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
img { display: block; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* ================= 按钮 ================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 38px; padding: 0 18px;
  border-radius: 9px;
  font-size: 14px; font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .18s, color .18s, border-color .18s, transform .18s, box-shadow .18s;
  white-space: nowrap;
}
.btn-lg { height: 46px; padding: 0 24px; font-size: 15px; border-radius: 11px; }
.btn-primary {
  background: linear-gradient(180deg, #8f5cf7, var(--violet));
  color: #fff;
  box-shadow: 0 10px 24px -12px rgba(124, 58, 237, .9);
}
.btn-primary:hover { background: linear-gradient(180deg, var(--violet), var(--violet-d)); transform: translateY(-1px); }
.btn-line { border-color: var(--line-2); color: var(--ink-2); background: #fff; }
.btn-line:hover { border-color: var(--violet); color: var(--violet-d); }
.btn-ghost { color: var(--ink-2); }
.btn-ghost:hover { color: var(--violet-d); }
.btn-white { background: #fff; color: var(--violet-dd); box-shadow: 0 12px 26px -16px rgba(0, 0, 0, .55); }
.btn-white:hover { transform: translateY(-1px); }
.btn-ghost-white { color: #f2ebff; border-color: rgba(255, 255, 255, .4); }
.btn-ghost-white:hover { background: rgba(255, 255, 255, .12); }

/* ================= 顶部导航 ================= */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, box-shadow .2s;
}
.site-head.is-stuck { border-bottom-color: var(--line); box-shadow: 0 6px 20px -18px rgba(0, 0, 0, .4); }
.head-inner {
  max-width: 1120px; margin: 0 auto; padding: 0 20px;
  height: 60px; display: flex; align-items: center; gap: 18px;
}
.brand { display: flex; align-items: center; gap: 9px; }
.brand img { width: 28px; height: 28px; border-radius: 8px; box-shadow: 0 4px 10px -5px rgba(124, 58, 237, .9); }
.brand-name { font-size: 17px; font-weight: 700; letter-spacing: .3px; }
.brand-tag {
  font-size: 11px; color: var(--violet-d); background: var(--violet-soft);
  padding: 2px 7px; border-radius: 5px; font-weight: 600; letter-spacing: .3px;
}
.head-nav { display: flex; align-items: center; gap: 20px; margin-left: 8px; font-size: 14px; color: var(--ink-2); }
.head-nav a { position: relative; transition: color .16s; }
.head-nav a:hover { color: var(--violet-d); }
.head-nav .nav-online { color: var(--violet-d); font-weight: 600; }
.head-cta { margin-left: auto; display: flex; align-items: center; gap: 8px; }

.nav-toggle { display: none; width: 40px; height: 40px; margin-left: auto; border: 0; background: none; padding: 10px; cursor: pointer; }
.nav-toggle span { display: block; height: 2px; border-radius: 2px; background: var(--ink); margin: 4px 0; transition: transform .2s, opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ================= Hero ================= */
.hero { position: relative; overflow: hidden; padding: 64px 0 40px; }
.hero-bg {
  position: absolute; inset: -10% -10% auto -10%; height: 720px; pointer-events: none;
  background:
    radial-gradient(46% 52% at 78% 16%, rgba(124, 58, 237, .15), transparent 70%),
    radial-gradient(40% 44% at 6% 4%, rgba(196, 181, 253, .38), transparent 72%);
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(20, 18, 31, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 18, 31, .045) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(70% 60% at 50% 30%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 30%, #000 20%, transparent 78%);
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1fr 1.16fr; gap: 40px; align-items: center; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  height: 30px; padding: 0 12px 0 10px; margin-bottom: 20px;
  background: #fff; border: 1px solid var(--line-2); border-radius: 999px;
  font-size: 12.5px; color: var(--ink-2);
  box-shadow: var(--shadow-s);
  transition: border-color .18s, color .18s;
}
.hero-badge:hover { border-color: var(--violet); color: var(--violet-d); }
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--violet); box-shadow: 0 0 0 3px rgba(124, 58, 237, .15); }

.hero h1 { font-size: 50px; line-height: 1.16; letter-spacing: -1.4px; }
.hero h1 .hl {
  background: linear-gradient(96deg, var(--violet-d), #9f67ff 58%, #c084fc);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { margin-top: 20px; font-size: 16px; line-height: 1.8; color: var(--ink-2); max-width: 29em; }
.hero-actions { display: flex; align-items: center; gap: 12px; margin-top: 28px; flex-wrap: wrap; }
.hero-points { display: flex; gap: 22px; margin-top: 26px; font-size: 13px; color: var(--sub); flex-wrap: wrap; }
.hero-points b { color: var(--ink); font-weight: 600; }

/* ---- 产品界面示意 ---- */
.hero-shot { position: relative; }
.shot-window {
  background: #fff; border: 1px solid var(--line);
  border-radius: 14px; overflow: hidden;
  box-shadow: 0 30px 70px -34px rgba(52, 20, 110, .45), 0 2px 6px rgba(20, 18, 31, .04);
}
.shot-bar {
  height: 38px; display: flex; align-items: center; gap: 10px;
  padding: 0 12px; background: #fbfafd; border-bottom: 1px solid var(--line);
}
.lights { display: flex; gap: 5px; }
.lights i { width: 8px; height: 8px; border-radius: 50%; background: #e4e1ea; }
.lights i:nth-child(1) { background: #ffbdad; }
.lights i:nth-child(2) { background: #ffe08a; }
.lights i:nth-child(3) { background: #b7ecc4; }
.shot-title { font-size: 11.5px; color: var(--sub); }
.shot-tag {
  margin-left: auto; font-size: 10.5px; color: #2e8b57;
  background: #eaf8ef; border-radius: 4px; padding: 2px 6px;
}
.shot-body { display: grid; grid-template-columns: 132px 1fr; min-height: 330px; }
.shot-side { background: #fbfafd; border-right: 1px solid var(--line); padding: 12px 10px; }
.side-label { font-size: 10px; color: #a09daf; letter-spacing: .6px; margin: 2px 0 7px 6px; }
.side-label.mt { margin-top: 15px; }
.side-item { display: flex; align-items: center; gap: 6px; font-size: 11.5px; color: var(--ink-2); padding: 5px 7px; border-radius: 6px; }
.side-item em { width: 6px; height: 6px; border-radius: 2px; background: var(--c, #7c3aed); }
.side-item.on { background: #fff; box-shadow: 0 1px 3px rgba(20, 18, 31, .07); color: var(--ink); font-weight: 600; }
.side-sub { font-size: 11px; color: var(--sub); padding: 4px 7px 4px 18px; }
.shot-main { padding: 15px 17px 13px; }
.shot-chart-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.shot-h { font-size: 13.5px; font-weight: 700; }
.shot-meta { font-size: 10.5px; color: var(--sub); margin-top: 2px; }
.shot-pill { font-size: 10px; color: var(--violet-d); background: var(--violet-soft); border: 1px solid var(--violet-soft-2); padding: 3px 7px; border-radius: 999px; white-space: nowrap; }
.shot-chart { width: 100%; height: auto; margin-top: 4px; }
.shot-inspector { display: flex; gap: 8px; border-top: 1px dashed var(--line-2); padding-top: 10px; margin-top: 4px; }
.shot-inspector > div { flex: 1; background: #fbfafd; border: 1px solid var(--line); border-radius: 6px; padding: 4px 7px; }
.shot-inspector span { display: block; font-size: 9px; color: #a09daf; }
.shot-inspector b { font-size: 10.5px; font-weight: 600; color: var(--ink-2); }

.float-card {
  position: absolute; background: rgba(255, 255, 255, .94);
  border: 1px solid var(--line); border-radius: 10px;
  box-shadow: 0 16px 34px -20px rgba(52, 20, 110, .4);
  padding: 9px 12px; font-size: 11px; color: var(--sub);
  backdrop-filter: blur(6px);
  animation: floaty 6s ease-in-out infinite;
}
.float-card b { display: block; font-size: 12.5px; color: var(--ink); font-weight: 700; }
.float-card.fc-1 { left: -26px; bottom: 34px; }
.float-card.fc-2 { right: -20px; top: 66px; display: flex; align-items: center; gap: 5px; flex-wrap: wrap; max-width: 132px; }
.float-card.fc-2 b { font-size: 12px; }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }

/* ================= 数据条 ================= */
.strip { padding: 12px 0 8px; }
.strip-inner {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 18px 8px; box-shadow: var(--shadow-s);
}
.strip-inner > div { text-align: center; border-right: 1px solid var(--line); }
.strip-inner > div:last-child { border-right: 0; }
.strip-inner b { display: block; font-size: 20px; color: var(--violet-d); letter-spacing: -.5px; }
.strip-inner span { font-size: 12px; color: var(--sub); }

/* ================= 通用 section ================= */
.sec { padding: 84px 0; }
.sec-gray { background: #f0eff5; }
.sec-head { max-width: 640px; margin-bottom: 38px; }
.sec-head.center { text-align: center; margin-left: auto; margin-right: auto; }
.eyebrow {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 1.4px;
  color: var(--violet-d); text-transform: uppercase; margin-bottom: 12px;
}
.eyebrow.light { color: #ddd0ff; }
.sec-head h2 { font-size: 36px; line-height: 1.28; letter-spacing: -1px; }
.sec-head p { margin-top: 14px; color: var(--ink-2); font-size: 15px; }
.br-m { display: none; }

/* ================= 痛点 ================= */
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.pain-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 26px 24px 22px; box-shadow: var(--shadow-s);
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.pain-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-m); border-color: var(--line-2); }
.pain-ico {
  width: 40px; height: 40px; border-radius: 11px;
  background: var(--violet-soft); color: var(--violet-d);
  display: grid; place-items: center; margin-bottom: 16px;
}
.pain-ico svg { width: 21px; height: 21px; }
.pain-card h3 { font-size: 17px; margin-bottom: 9px; }
.pain-card p { font-size: 13.5px; color: var(--ink-2); line-height: 1.75; }
.pain-quote {
  margin-top: 15px; padding-top: 12px; border-top: 1px dashed var(--line-2);
  font-size: 12.5px; color: var(--violet-d); font-style: italic;
}

/* ================= 工作流 ================= */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; align-items: stretch; }
.flow-step {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 20px 18px 18px;
  box-shadow: var(--shadow-s);
}
.flow-num {
  position: absolute; top: 16px; right: 16px;
  font: 600 11px/1 var(--mono); color: #b9b4c9;
}
.flow-art {
  height: 96px; border-radius: 10px; background: #fbfafd;
  border: 1px solid var(--line); margin-bottom: 14px;
  display: flex; flex-direction: column; justify-content: center;
  padding: 12px; position: relative; overflow: hidden;
}
.flow-step h3 { font-size: 15.5px; margin-bottom: 6px; }
.flow-step p { font-size: 12.5px; color: var(--ink-2); line-height: 1.7; }
.mini-sheet { display: grid; gap: 4px; }
.mini-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }
.mini-row i, .mini-row b { height: 10px; border-radius: 2px; background: #e9e5f3; }
.mini-row i { background: #d9cffa; }
.art-tip {
  position: absolute; right: 8px; bottom: 7px; font-size: 9px; color: var(--violet-d);
  background: #fff; border: 1px solid var(--violet-soft-2); border-radius: 4px; padding: 1px 4px;
}
.stat-line { display: flex; justify-content: space-between; gap: 8px; font-size: 10.5px; color: var(--ink-2); padding: 4px 0; border-bottom: 1px dashed var(--line-2); }
.stat-line:last-child { border-bottom: 0; }
.stat-line b { color: var(--violet-d); font-family: var(--mono); font-size: 10px; }
.stat-line.dim { opacity: .6; }
.swatches { display: flex; gap: 6px; margin-bottom: 10px; }
.swatches i { width: 22px; height: 22px; border-radius: 6px; background: var(--c); }
.style-lines span { display: block; height: 5px; border-radius: 3px; background: #e9e5f3; margin-bottom: 5px; }
.style-lines span:nth-child(1) { width: 78%; background: var(--lav); }
.style-lines span:nth-child(2) { width: 58%; }
.style-lines span:nth-child(3) { width: 68%; }
.art-export .export-file {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 10px; color: var(--ink-2); background: #fff;
  border: 1px solid var(--line); border-radius: 6px; padding: 5px 7px; margin-bottom: 6px;
}
.art-export b { font-size: 9px; color: var(--violet-d); background: var(--violet-soft); border-radius: 4px; padding: 1px 4px; font-weight: 600; }
.flow-arrow { display: none; }

/* ================= 功能 ================= */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feat {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 24px 22px; box-shadow: var(--shadow-s);
  transition: transform .2s, box-shadow .2s;
}
.feat:hover { transform: translateY(-2px); box-shadow: var(--shadow-m); }
.feat-ico {
  width: 38px; height: 38px; border-radius: 10px; margin-bottom: 15px;
  background: linear-gradient(160deg, #f5efff, #ece2ff); color: var(--violet-d);
  display: grid; place-items: center;
}
.feat-ico svg { width: 20px; height: 20px; }
.feat h3 { font-size: 16px; margin-bottom: 8px; }
.feat p { font-size: 13px; color: var(--ink-2); line-height: 1.75; min-height: 68px; }
.feat-tags { display: flex; gap: 6px; margin-top: 14px; flex-wrap: wrap; }
.feat-tags li {
  font-size: 10.5px; color: var(--sub); background: #f5f4f9;
  border: 1px solid var(--line); border-radius: 5px; padding: 2px 7px;
}

/* ================= 图表库 ================= */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.g-card {
  margin: 0; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-s);
  transition: transform .2s, box-shadow .2s;
}
.g-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-m); }
.g-thumb { background: #fcfbfe; border-bottom: 1px solid var(--line); padding: 10px 12px; }
.g-thumb svg { display: block; width: 100%; height: auto; }
.g-card figcaption { padding: 14px 18px 16px; }
.g-card figcaption b { display: block; font-size: 14.5px; margin-bottom: 3px; }
.g-card figcaption span { font-size: 12px; color: var(--sub); }
.gallery-cta { text-align: center; margin-top: 30px; }

/* ================= 统计 ================= */
.stats-wrap { display: grid; grid-template-columns: 1fr 1.08fr; gap: 54px; align-items: center; }
.stats-copy h2 { font-size: 36px; line-height: 1.28; letter-spacing: -1px; }
.stats-copy p { margin-top: 16px; color: var(--ink-2); font-size: 14.5px; line-height: 1.8; }
.check-list { margin-top: 22px; display: grid; gap: 11px; }
.check-list li { display: flex; gap: 9px; font-size: 13.5px; color: var(--ink-2); line-height: 1.6; }
.check-list i {
  flex: 0 0 17px; height: 17px; margin-top: 2px; border-radius: 50%;
  background: var(--violet-soft); position: relative;
}
.check-list i::after {
  content: ""; position: absolute; left: 5px; top: 4px; width: 6px; height: 3px;
  border-left: 1.6px solid var(--violet); border-bottom: 1.6px solid var(--violet);
  transform: rotate(-45deg);
}
.text-link { display: inline-block; margin-top: 24px; color: var(--violet-d); font-size: 14px; font-weight: 600; }
.text-link:hover { text-decoration: underline; }
.stats-panel {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  box-shadow: 0 24px 50px -34px rgba(52, 20, 110, .35);
  overflow: hidden;
}
.sp-head {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 18px; border-bottom: 1px solid var(--line);
  font-size: 13px; font-weight: 600; background: #fcfbfe;
}
.sp-dot { width: 7px; height: 7px; border-radius: 50%; background: #34c98a; }
.sp-ok {
  margin-left: auto; font-size: 10.5px; color: #248a5c; background: #e9f8f0;
  border-radius: 999px; padding: 2px 8px; font-weight: 600;
}
.sp-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.sp-table th, .sp-table td { padding: 9px 16px; text-align: right; border-bottom: 1px solid var(--line); }
.sp-table th:first-child, .sp-table td:first-child { text-align: left; }
.sp-table thead th { background: #fbfaff; color: var(--sub); font-weight: 600; font-size: 11.5px; }
.sp-table td { color: var(--ink-2); font-family: var(--mono); font-size: 11.8px; }
.sp-result { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); }
.sp-result > div { background: #fcfbfe; padding: 12px 16px; }
.sp-result span { display: block; font-size: 10.5px; color: var(--sub); margin-bottom: 2px; }
.sp-result b { font-size: 16px; font-weight: 700; font-family: var(--mono); }
.sp-result b.sig { color: var(--violet-d); }
.sp-note { padding: 12px 16px 15px; font-size: 11.5px; color: var(--sub); line-height: 1.7; background: #fcfbfe; }

/* ================= 对比表 ================= */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: #fff; box-shadow: var(--shadow-s); }
.cmp { width: 100%; border-collapse: collapse; min-width: 720px; font-size: 13px; }
.cmp th, .cmp td { padding: 14px 20px; border-bottom: 1px solid var(--line); text-align: left; }
.cmp thead th { background: #fbfaff; font-size: 12.5px; color: var(--sub); font-weight: 600; }
.cmp tbody tr:last-child td { border-bottom: 0; }
.cmp td:first-child { color: var(--ink-2); font-weight: 500; width: 140px; }
.cmp .cmp-plot { background: #faf7ff; color: var(--violet-dd); font-weight: 600; }
.cmp thead .cmp-plot { color: var(--violet-d); }
.cmp-note { margin-top: 12px; font-size: 11.5px; color: var(--sub); }

/* ================= 软件矩阵 ================= */
.matrix { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.m-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 22px 22px 20px; box-shadow: var(--shadow-s);
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.m-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-m); }
.m-card-on { border-color: var(--violet-soft-2); background: linear-gradient(180deg, #fdfbff, #fff); }
.m-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.m-logo { border-radius: 9px; }
.m-badge {
  width: 38px; height: 38px; border-radius: 9px; display: grid; place-items: center;
  color: #fff; font-weight: 700; font-size: 18px;
}
.mk-saikan { background: linear-gradient(150deg, #2f7df6, #1748b8); }
.m-head b { display: block; font-size: 15px; }
.m-head span { display: block; font-size: 11.5px; color: var(--sub); }
.m-card p { font-size: 12.8px; color: var(--ink-2); line-height: 1.75; min-height: 44px; }
.m-link { display: inline-block; margin-top: 12px; font-size: 12.5px; color: var(--violet-d); font-weight: 600; }

/* ================= 下载 ================= */
.dl-card {
  position: relative; overflow: hidden; border-radius: 22px;
  background: radial-gradient(120% 140% at 88% 10%, #55219d 0%, #3a1373 42%, #240a4d 100%);
  color: #fff; padding: 46px 48px 42px;
  display: grid; grid-template-columns: 1.3fr .8fr; gap: 40px;
  box-shadow: 0 36px 80px -40px rgba(40, 10, 84, .7);
}
.dl-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(60% 80% at 70% 20%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(60% 80% at 70% 20%, #000, transparent 75%);
}
.dl-copy, .dl-side { position: relative; }
.dl-copy h2 { font-size: 34px; line-height: 1.3; letter-spacing: -1px; }
.dl-copy p { margin-top: 14px; font-size: 14px; color: #d9cdf0; line-height: 1.8; max-width: 34em; }
.dl-actions { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }
.dl-note { font-size: 11.5px; color: #b7a6d6; margin-top: 12px; }
.dl-side { display: flex; flex-direction: column; justify-content: center; gap: 18px; }
.dl-badge {
  background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 16px; padding: 18px; text-align: center; backdrop-filter: blur(4px);
}
.dl-badge img { margin: 0 auto 10px; border-radius: 13px; }
.dl-badge b { display: block; font-size: 16px; }
.dl-badge span { font-size: 11.5px; color: #bda9df; }
.dl-list { display: grid; gap: 9px; }
.dl-list li { display: flex; gap: 8px; font-size: 12.5px; color: #d9cdf0; }
.dl-list b { color: #fff; font-weight: 600; }

/* ================= FAQ ================= */
.faq-wrap { display: grid; grid-template-columns: .72fr 1.28fr; gap: 48px; align-items: start; }
.faq-list details {
  background: #fff; border: 1px solid var(--line); border-radius: 11px;
  padding: 0 18px; margin-bottom: 10px;
}
.faq-list summary {
  list-style: none; cursor: pointer; padding: 15px 0;
  font-size: 14px; font-weight: 600; position: relative; padding-right: 24px;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+"; position: absolute; right: 0; top: 13px;
  font-size: 18px; font-weight: 400; color: var(--violet); transition: transform .2s;
}
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list p { padding: 0 0 16px; font-size: 13px; color: var(--ink-2); line-height: 1.8; }

/* ================= 页脚 ================= */
.site-foot { background: #fff; border-top: 1px solid var(--line); padding: 40px 0 0; }
.foot-inner { display: grid; grid-template-columns: 1fr 1.3fr; gap: 30px; padding-bottom: 26px; }
.foot-brand { display: flex; gap: 10px; align-items: flex-start; }
.foot-brand img { border-radius: 7px; }
.foot-name { font-size: 14px; font-weight: 700; }
.foot-name span { font-weight: 400; font-size: 11.5px; color: var(--sub); margin-left: 6px; }
.foot-brand p { font-size: 12px; color: var(--sub); margin-top: 4px; }
.foot-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.fl-col h4 { font-size: 12px; color: var(--sub); font-weight: 600; margin-bottom: 9px; }
.fl-col a { display: block; font-size: 12.5px; color: var(--ink-2); margin-bottom: 6px; }
.fl-col a:hover { color: var(--violet-d); }
.foot-bottom {
  display: flex; justify-content: space-between; gap: 12px;
  border-top: 1px solid var(--line); padding-top: 16px; padding-bottom: 20px;
  font-size: 11.5px; color: var(--sub); flex-wrap: wrap;
}

/* ================= 动效 ================= */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
  .float-card { animation: none; }
  html { scroll-behavior: auto; }
}

/* ================= 响应式 ================= */
@media (max-width: 1000px) {
  .hero h1 { font-size: 42px; }
  .hero-inner { grid-template-columns: 1fr; gap: 34px; }
  .hero-shot { max-width: 620px; }
  .float-card.fc-1 { left: 6px; }
  .float-card.fc-2 { right: 4px; }
  .head-nav { gap: 14px; font-size: 13px; }
  .stats-wrap { grid-template-columns: 1fr; gap: 34px; }
  .faq-wrap { grid-template-columns: 1fr; gap: 24px; }
  .dl-card { grid-template-columns: 1fr; padding: 36px 30px; }
  .dl-side { flex-direction: row; align-items: center; gap: 22px; flex-wrap: wrap; }
  .dl-badge { flex: 1; min-width: 180px; }
  .dl-list { flex: 1; min-width: 220px; }
}
@media (max-width: 820px) {
  .head-nav, .head-cta { display: none; }
  .nav-toggle { display: block; }
  .site-head.is-open .head-nav {
    display: flex; position: absolute; left: 0; right: 0; top: 60px;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 8px 20px 14px; box-shadow: 0 18px 30px -26px rgba(0, 0, 0, .4);
  }
  .site-head.is-open .head-nav a { width: 100%; padding: 10px 0; border-bottom: 1px solid var(--line); }
  .site-head.is-open .head-nav a:last-child { border-bottom: 0; }
  .hero { padding-top: 40px; }
  .hero h1 { font-size: 38px; }
  .sec { padding: 62px 0; }
  .sec-head h2, .stats-copy h2 { font-size: 29px; }
  .br-m { display: inline; }
  .pain-grid, .feat-grid, .gallery { grid-template-columns: 1fr; }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .matrix { grid-template-columns: 1fr; }
  .strip-inner { grid-template-columns: repeat(2, 1fr); gap: 14px 0; }
  .strip-inner > div:nth-child(2) { border-right: 0; }
  .strip-inner > div:nth-child(1), .strip-inner > div:nth-child(2) { padding-bottom: 12px; border-bottom: 1px solid var(--line); }
  .foot-inner { grid-template-columns: 1fr; }
  .foot-links { grid-template-columns: repeat(3, 1fr); }
  .dl-copy h2 { font-size: 27px; }
}
@media (max-width: 560px) {
  .hero h1 { font-size: 32px; letter-spacing: -.8px; }
  .hero-sub { font-size: 14.5px; }
  .shot-body { grid-template-columns: 1fr; }
  .shot-side { display: none; }
  .float-card.fc-1 { display: none; }
  .float-card.fc-2 { top: -14px; right: 8px; }
  .flow { grid-template-columns: 1fr; }
  .sec-head h2, .stats-copy h2 { font-size: 26px; }
  .dl-card { padding: 28px 22px; border-radius: 18px; }
  .dl-actions .btn { width: 100%; }
  .foot-links { grid-template-columns: repeat(2, 1fr); }
  .foot-bottom { flex-direction: column; }
  .cmp th, .cmp td { padding: 12px 14px; }
}