/* ============================================================
   BPlot 批量打印 · 官网主题样式
   配色：深空蓝 + 电光蓝，浅色内容区，工程蓝图质感
   ============================================================ */

:root {
  --ink: #070C18;
  --ink-2: #0C1526;
  --ink-3: #111E33;
  --brand: #2F7BFF;
  --brand-2: #22D3EE;
  --brand-deep: #1656D6;
  --paper: #FFFFFF;
  --paper-2: #F5F8FD;
  --paper-3: #EDF2FA;
  --text: #0E1729;
  --muted: #5C6C86;
  --muted-2: #8494AC;
  --line: #E2E9F4;
  --line-dark: rgba(255, 255, 255, 0.10);
  --ok: #16B981;
  --warn: #F5A623;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 8px rgba(13, 30, 60, 0.06);
  --shadow: 0 14px 40px rgba(13, 30, 60, 0.10);
  --shadow-lg: 0 30px 70px rgba(4, 12, 28, 0.28);
  /* 毛玻璃材质 */
  --glass: rgba(255, 255, 255, 0.52);
  --glass-strong: rgba(255, 255, 255, 0.70);
  --glass-line: rgba(255, 255, 255, 0.78);
  --glass-blur: blur(22px) saturate(180%);
  --glass-shadow: 0 24px 60px -22px rgba(20, 45, 92, 0.30), 0 4px 14px -6px rgba(20, 45, 92, 0.10);
  --glass-dark: rgba(255, 255, 255, 0.07);
  --glass-dark-line: rgba(255, 255, 255, 0.16);
  --wrap: 1280px;
  --font: "Inter", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", "Cascadia Mono", Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  position: relative;
  font-family: var(--font);
  color: var(--text);
  background: #F1F6FE;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* 底层光晕网格：为毛玻璃提供可被模糊的色彩 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(52rem 40rem at 12% 6%, rgba(120, 172, 255, .62) 0%, transparent 60%),
    radial-gradient(46rem 36rem at 88% 2%, rgba(108, 222, 255, .52) 0%, transparent 58%),
    radial-gradient(42rem 34rem at 74% 44%, rgba(168, 152, 255, .42) 0%, transparent 60%),
    radial-gradient(46rem 36rem at 16% 72%, rgba(118, 206, 255, .48) 0%, transparent 60%),
    radial-gradient(40rem 32rem at 96% 90%, rgba(138, 168, 255, .46) 0%, transparent 60%),
    linear-gradient(180deg, #EEF4FF 0%, #E6EEFB 52%, #F1F6FE 100%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .55;
  background-image:
    linear-gradient(rgba(47, 123, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 123, 255, .05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 10%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 10%, transparent 80%);
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

code {
  font-family: var(--mono);
  font-size: .88em;
  padding: 2px 6px;
  border-radius: 5px;
  background: var(--paper-3);
  color: #3B4C68;
  border: 1px solid #DFE7F3;
  word-break: break-all;
}
.download code, .side-card code {
  background: rgba(47, 123, 255, .09);
  border-color: rgba(47, 123, 255, .18);
  color: #1656D6;
}
.panel code {
  background: rgba(47, 123, 255, .09);
  border-color: rgba(47, 123, 255, .18);
  color: #1656D6;
}
.step p code, table.spec code {
  background: rgba(47, 123, 255, .09);
  border-color: rgba(47, 123, 255, .18);
  color: #1B4FA8;
  padding: 1px 5px;
  font-size: .86em;
}

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 22px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .2px;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn-primary {
  background: linear-gradient(135deg, #3D86FF 0%, #1656D6 100%);
  color: #fff;
  box-shadow: 0 10px 24px rgba(47, 123, 255, .32);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 32px rgba(47, 123, 255, .42); }
.btn-ghost { color: #1656D6; border: 1px solid rgba(47, 123, 255, .26); background: rgba(255, 255, 255, .66); box-shadow: inset 0 1px 0 #fff; }
.btn-ghost:hover { background: #fff; border-color: rgba(47, 123, 255, .48); box-shadow: 0 10px 24px -18px rgba(47, 123, 255, .6), inset 0 1px 0 #fff; }
.btn-line { border: 1px solid var(--line); color: var(--text); background: #fff; }
.btn-line:hover { border-color: var(--brand); color: var(--brand-deep); box-shadow: var(--shadow-sm); }
.btn-sm { height: 38px; padding: 0 16px; font-size: 14px; border-radius: 8px; }
.btn-lg { height: 54px; padding: 0 30px; font-size: 16px; border-radius: 12px; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  height: 68px;
  display: flex;
  align-items: center;
  transition: background .25s ease, box-shadow .25s ease, border-color .25s ease;
  border-bottom: 1px solid transparent;
}
.site-header.is-solid {
  background: rgba(255, 255, 255, .66);
  backdrop-filter: saturate(180%) blur(24px);
  -webkit-backdrop-filter: saturate(180%) blur(24px);
  border-bottom-color: rgba(255, 255, 255, .9);
  box-shadow: 0 10px 30px -20px rgba(20, 45, 92, .30);
}
.site-header.is-solid .header-inner { height: 60px; }
.header-inner { display: flex; align-items: center; gap: 28px; width: 100%; height: 68px; transition: height .25s ease; }

.brand { display: flex; align-items: center; gap: 10px; color: #0E1729; flex: none; }
.brand-mark { width: 34px; height: 34px; flex: none; border-radius: 8px; object-fit: contain; }
.brand-text { display: flex; align-items: baseline; gap: 6px; line-height: 1; }
.brand-text strong { font-size: 19px; letter-spacing: .4px; font-weight: 800; }
.brand-text em { font-style: normal; font-size: 12px; color: #7A8CA8; letter-spacing: 2px; }

.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav a {
  position: relative;
  padding: 8px 14px;
  font-size: 14.5px;
  color: #47587A;
  border-radius: 8px;
  transition: color .18s ease, background .18s ease;
}
.nav a:hover, .nav a.active { color: #1656D6; background: rgba(47, 123, 255, .08); }
.nav a::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  transform: scaleX(0);
  transform-origin: 50% 50%;
  transition: transform .22s cubic-bezier(.2, .7, .3, 1);
  pointer-events: none;
}
.nav a:hover::after,
.nav a.active::after { transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: 10px; flex: none; }
.nav-toggle { display: none; width: 40px; height: 40px; border-radius: 8px; color: #0E1729; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(58% 62% at 10% 2%, rgba(255, 255, 255, .92) 0%, rgba(255, 255, 255, 0) 62%),
    radial-gradient(46% 52% at 92% 0%, rgba(34, 211, 238, .18), transparent 62%),
    linear-gradient(180deg, rgba(247, 251, 255, .82) 0%, rgba(240, 246, 255, .45) 62%, rgba(240, 246, 255, 0) 100%);
  color: var(--text);
  padding: 118px 0 88px;
  overflow: hidden;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(47, 123, 255, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 123, 255, .07) 1px, transparent 1px);
  background-size: 56px 56px, 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 20%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 20%, #000 20%, transparent 78%);
  z-index: -2;
}
.hero::after {
  content: "";
  position: absolute;
  top: -220px; left: 50%;
  width: 1100px; height: 700px;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(47, 123, 255, .18), rgba(34, 211, 238, .10) 55%, transparent 78%);
  filter: blur(10px);
  z-index: -1;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
  gap: 52px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 32px;
  padding: 0 15px 0 11px;
  border-radius: 999px;
  border: 1px solid rgba(47, 123, 255, .26);
  background: linear-gradient(140deg, rgba(255, 255, 255, .88), rgba(232, 243, 255, .70));
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 1), 0 10px 24px -18px rgba(47, 123, 255, .55);
  color: #1656D6;
  font-size: 12.5px;
  letter-spacing: .6px;
  margin-bottom: 22px;
}
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--brand-2); box-shadow: 0 0 0 4px rgba(34, 211, 238, .18); }
.hero h1 {
  font-size: clamp(34px, 4.4vw, 58px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 20px;
}
.hero h1 .grad {
  background: linear-gradient(100deg, #1B6BFF 0%, #0E9FC4 62%, #14B8D4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: 17px;
  line-height: 1.85;
  color: #55688A;
  max-width: 520px;
  margin-bottom: 32px;
}
.hero-cta { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }

/* 首屏右侧设备图 */
.hero-visual { position: relative; }
.hero-visual::before {
  content: "";
  position: absolute;
  inset: -8% -6% -12% -6%;
  background: radial-gradient(closest-side, rgba(47, 123, 255, .16), rgba(34, 211, 238, .08) 55%, transparent 78%);
  filter: blur(28px);
  z-index: 0;
  pointer-events: none;
}
.hero-shot { position: relative; z-index: 1; }
.hero-shot .hero-laptop {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 28px 46px rgba(13, 30, 60, .18));
}
/* SEO 首屏栅格缩略图：真实位图与内嵌 SVG 为同一画面，绝对定位贴合同一区域、铺满整个首屏视觉区，
   并以 opacity:0 完全透明（不参与渲染、pointer-events 关闭），因此页面视觉与原 SVG 设计完全一致，
   仅让百度等搜索引擎能抓取到一张尺寸合规（1208×668）的真实位图作为搜索结果缩略图。
   注意：不要改回 z-index:-1 的不透明方案——内嵌 SVG 背景透明，位图会从缝隙透出造成画面重影。 */
.hero-shot .hero-seo-thumb {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  pointer-events: none;
}

/* 首屏要点标签 */
.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}
.hero-chips li {
  display: inline-flex;
  align-items: center;
  height: 30px;
  padding: 0 13px;
  border-radius: 999px;
  border: 1px solid rgba(47, 123, 255, .16);
  background: rgba(255, 255, 255, .74);
  font-size: 12.5px;
  color: #55688A;
  white-space: nowrap;
}

@media (max-width: 1080px) {
  .hero { padding: 110px 0 72px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 620px; margin: 0 auto; width: 100%; }
  .hero-sub { max-width: none; }
}
@media (max-width: 720px) {
  .hero { padding: 96px 0 60px; }
  .hero h1 { font-size: 30px; }
  .hero-cta .btn { flex: 1 1 auto; }
  .hero-chips li { font-size: 11.5px; }
}

/* ---------- CAD 对话框模拟 ---------- */
.mock-stage { position: relative; }
.mock-stage::before {
  content: "";
  position: absolute;
  inset: -10% -8% -16% -10%;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(46% 46% at 62% 38%, rgba(47, 123, 255, .28), transparent 70%),
    radial-gradient(38% 38% at 18% 82%, rgba(34, 211, 238, .24), transparent 72%);
  filter: blur(46px);
  opacity: .85;
}
.mock-stage .mock { z-index: 1; }
@keyframes bpFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}
.mock-badge.b1 { animation: bpFloat 6s ease-in-out infinite; }
.mock-badge.b2 { animation: bpFloat 7.5s ease-in-out .9s infinite; }
.mock {
  position: relative;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, .95);
  background: linear-gradient(180deg, rgba(255, 255, 255, .92) 0%, rgba(240, 247, 255, .84) 100%);
  backdrop-filter: blur(20px) saturate(170%);
  -webkit-backdrop-filter: blur(20px) saturate(170%);
  box-shadow: 0 40px 80px -34px rgba(20, 45, 92, .40), 0 2px 10px -6px rgba(20, 45, 92, .12), inset 0 1px 0 #fff;
  font-size: 12px;
  overflow: hidden;
  transform: perspective(1600px) rotateY(-5deg) rotateX(1.5deg);
  transition: transform .5s ease;
}
.mock:hover { transform: perspective(1600px) rotateY(-1.5deg) rotateX(0); }
.mock-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 30px;
  padding: 0 10px;
  background: linear-gradient(180deg, #EEF4FE, #E2EBF9);
  border-bottom: 1px solid rgba(120, 150, 190, .16);
  color: #2C3E5C;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .3px;
}
.mock-bar .ico { width: 14px; height: 14px; border-radius: 3px; background: linear-gradient(135deg, var(--brand), var(--brand-2)); }
.mock-bar .winbtns { margin-left: auto; display: flex; gap: 5px; }
.mock-bar .winbtns i { width: 16px; height: 12px; border-radius: 2px; background: rgba(70, 100, 140, .16); display: block; }
.mock-body { padding: 12px; display: grid; grid-template-columns: 1.5fr 1fr; gap: 12px; }
.mock-panel {
  border: 1px solid rgba(120, 150, 190, .16);
  border-radius: 8px;
  padding: 10px;
  background: rgba(255, 255, 255, .58);
}
.mock-label { font-size: 11px; color: #6B7F9C; margin-bottom: 7px; letter-spacing: .4px; }
.mock-radios { display: flex; flex-wrap: wrap; gap: 10px; font-size: 11.5px; color: #3B4C68; }
.mock-radios label { display: inline-flex; align-items: center; gap: 5px; }
.mock-radios .r { width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid #9FB0C8; }
.mock-radios .r.on { border-color: #2F7BFF; background: radial-gradient(circle, #2F7BFF 0 42%, transparent 45%); }
.mock-check { width: 10px; height: 10px; border-radius: 2px; border: 1.5px solid #9FB0C8; }
.mock-check.on { border-color: #2F7BFF; background: #2F7BFF; }
.mock-radios .check { width: 10px; height: 10px; border-radius: 2px; border: 1.5px solid #9FB0C8; flex: none; }
.mock-radios .check.on { border-color: #2F7BFF; background: #2F7BFF; }

.mock-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 5px 0;
  font-size: 11.5px;
  border-bottom: 1px dashed rgba(120, 150, 190, .18);
}
.mock-line:last-child { border-bottom: 0; }
.mock-line span { color: #7A8CA8; }
.mock-line b { color: #1B2A44; font-weight: 600; font-family: var(--mono); font-size: 11px; }

.mock-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 26px;
  border-radius: 5px;
  border: 1px solid rgba(120, 150, 190, .26);
  background: linear-gradient(180deg, #FFFFFF, #F1F6FE);
  color: #33415C;
  font-size: 11.5px;
  margin: 8px 0;
}
.mock-btn.primary { background: linear-gradient(180deg, #3D86FF, #1E63D8); border-color: #4C8DFF; color: #fff; font-weight: 600; }

.mock-table { width: 100%; border-collapse: collapse; font-size: 10.5px; color: #4B5B76; table-layout: fixed; }
.mock-table th:nth-child(1), .mock-table td:nth-child(1) { width: 30px; }
.mock-table th:nth-child(3), .mock-table td:nth-child(3) { width: 54px; }
.mock-table th:nth-child(4), .mock-table td:nth-child(4) { width: 54px; }
.mock-table th {
  text-align: left;
  font-weight: 600;
  color: #7A8CA8;
  padding: 5px 6px;
  border-bottom: 1px solid rgba(120, 150, 190, .20);
  white-space: nowrap;
}
.mock-table td { padding: 4.5px 6px; border-bottom: 1px solid rgba(120, 150, 190, .12); white-space: nowrap; }
.mock-table tr.sel td { background: rgba(47, 123, 255, .12); color: #1656D6; }
.mock-table td.num { color: #8FA0B8; }
.mock-foot { display: flex; align-items: center; gap: 8px; font-size: 10.5px; color: #7A8CA8; margin-top: 8px; }
.mock-foot b { color: #1656D6; font-weight: 600; }
.mock-file-line {
  margin-top: 8px;
  padding: 6px 8px;
  border-radius: 5px;
  background: rgba(47, 123, 255, .08);
  border: 1px solid rgba(47, 123, 255, .20);
  font-family: var(--mono);
  font-size: 10.5px;
  color: #1656D6;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mock-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 13px;
  border-radius: 10px;
  background: rgba(255, 255, 255, .90);
  border: 1px solid rgba(47, 123, 255, .26);
  box-shadow: 0 16px 34px -16px rgba(20, 45, 92, .40), inset 0 1px 0 #fff;
  color: #33415C;
  font-size: 12px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 3;
}
.mock-badge b { color: #1656D6; font-family: var(--mono); font-size: 13px; }
.mock-badge.b1 { top: -16px; right: -10px; }
.mock-badge.b2 { bottom: -18px; left: -14px; }
.mock-badge .pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px rgba(22, 185, 129, .18); }

/* ---------- 数据条 ---------- */
.stats {
  position: relative;
  padding: 0;
  background: transparent;
  border: 0;
  z-index: 2;
}
.stats-card {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: -44px;
  background: #fff;
  border: 1px solid #E9EFF9;
  border-radius: 18px;
  box-shadow: 0 20px 44px -30px rgba(16, 40, 84, .34);
  overflow: hidden;
}
.stat {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 26px;
}
.stat + .stat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26%;
  bottom: 26%;
  width: 1px;
  background: #EEF2F8;
}
.stat-ico {
  flex: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: #EAF2FF;
  color: #2F7BFF;
}
.stat-ico svg { width: 21px; height: 21px; }
.stat-body { min-width: 0; }
.stat .v {
  font-size: 26px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.6px;
  color: #0E1729;
}
.stat .v small {
  font-size: 13px;
  font-weight: 600;
  margin-left: 2px;
  color: #2F7BFF;
  letter-spacing: 0;
}
.stat .k {
  font-size: 12.5px;
  color: #7A8CA8;
  margin-top: 3px;
  letter-spacing: .2px;
  white-space: nowrap;
}

@media (max-width: 900px) {
  .stats-card {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: -30px;
  }
  .stat { padding: 18px 18px; gap: 12px; }
  .stat + .stat::before { display: none; }
  .stat:nth-child(2n) { border-left: 1px solid #EEF2F8; }
  .stat:nth-child(n + 3) { border-top: 1px solid #EEF2F8; }
  .stat .v { font-size: 22px; }
  .stat .k { white-space: normal; }
}
@media (max-width: 560px) {
  .stats-card { border-radius: 14px; }
  .stat { padding: 14px 14px; gap: 10px; }
  .stat-ico { width: 34px; height: 34px; border-radius: 10px; }
  .stat-ico svg { width: 17px; height: 17px; }
  .stat .v { font-size: 19px; }
  .stat .k { font-size: 11.5px; }
}

/* ---------- 通用区块 ---------- */
.section { padding: 32px 0; position: relative; }
section[id] { scroll-margin-top: 76px; }
.section.tint {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, .20) 16%, rgba(255, 255, 255, .20) 84%, rgba(255, 255, 255, 0) 100%);
}
.tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--brand-deep);
  background: linear-gradient(140deg, rgba(255, 255, 255, .78), rgba(255, 255, 255, .42));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, .9);
  box-shadow: 0 8px 20px -12px rgba(47, 123, 255, .5), inset 0 1px 0 #fff;
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 16px;
}
.section-head { max-width: 720px; margin: 0 auto 52px; text-align: center; }
.section-head.left { margin-left: 0; text-align: left; }
.section-head h2 {
  font-size: clamp(26px, 3.1vw, 38px);
  line-height: 1.28;
  font-weight: 800;
  letter-spacing: -.6px;
  margin-bottom: 14px;
}
.section-head p { color: var(--muted); font-size: 15.5px; line-height: 1.85; }
.section-head p strong { color: var(--text); font-weight: 600; }

/* ---------- 对比表 ---------- */
.compare {
  background: linear-gradient(160deg, rgba(255, 255, 255, .62), rgba(255, 255, 255, .28));
  backdrop-filter: blur(26px) saturate(190%);
  -webkit-backdrop-filter: blur(26px) saturate(190%);
  border: 1px solid rgba(255, 255, 255, .88);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 32px 64px -28px rgba(16, 40, 84, .38), inset 0 1px 0 rgba(255, 255, 255, 1);
}
.compare-row { display: grid; grid-template-columns: 132px 1fr 1fr; }
.compare-row + .compare-row { border-top: 1px solid rgba(255, 255, 255, .85); }
.compare-row > div { padding: 18px 22px; font-size: 14.5px; }
.compare-head { background: rgba(255, 255, 255, .55); font-weight: 700; font-size: 13.5px !important; letter-spacing: .5px; }
.compare-head .c-old { color: var(--muted); }
.compare-head .c-new { color: var(--brand-deep); display: flex; align-items: center; gap: 8px; }
.compare-key { color: var(--muted); font-weight: 600; font-size: 13.5px !important; background: rgba(255, 255, 255, .34); }
.cell-old { color: #7A8AA3; display: flex; gap: 9px; align-items: flex-start; }
.cell-new { color: var(--text); font-weight: 500; display: flex; gap: 9px; align-items: flex-start; background: rgba(47, 123, 255, .05); }
.cell-old svg { width: 15px; height: 15px; flex: none; margin-top: 4px; color: #B9C4D4; }
.cell-new svg { width: 15px; height: 15px; flex: none; margin-top: 4px; color: var(--ok); }

/* ---------- 功能卡片 ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  position: relative;
  background:
    linear-gradient(155deg, rgba(255, 255, 255, .42) 0%, rgba(255, 255, 255, .16) 46%, rgba(255, 255, 255, .28) 100%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
  backdrop-filter: blur(30px) saturate(200%);
  -webkit-backdrop-filter: blur(30px) saturate(200%);
  border: 1px solid rgba(255, 255, 255, .88);
  border-radius: 24px;
  padding: 30px 26px 28px;
  box-shadow:
    0 30px 60px -26px rgba(16, 40, 84, .38),
    0 3px 12px -6px rgba(16, 40, 84, .12),
    inset 0 1px 0 rgba(255, 255, 255, 1);
  transition: transform .3s cubic-bezier(.2, .7, .3, 1), box-shadow .3s ease, border-color .3s ease;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .48) 0%, rgba(255, 255, 255, .08) 24%, transparent 44%),
    radial-gradient(130% 90% at 100% 0%, rgba(120, 180, 255, .22), transparent 58%);
  pointer-events: none;
}
.card > * { position: relative; z-index: 1; }
.card::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s ease;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow:
    0 0 0 1px rgba(47, 123, 255, .16),
    0 34px 70px -26px rgba(16, 40, 84, .42),
    0 8px 22px -10px rgba(16, 40, 84, .18),
    inset 0 1px 0 #fff;
  border-color: rgba(255, 255, 255, .98);
}
.card:hover::after { transform: scaleX(1); }
.card-ico {
  width: 48px; height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, rgba(255, 255, 255, .95), rgba(219, 234, 255, .55));
  border: 1px solid rgba(255, 255, 255, .95);
  box-shadow: 0 10px 22px -12px rgba(47, 123, 255, .55), inset 0 1px 0 #fff;
  color: var(--brand-deep);
  margin-bottom: 18px;
}
.card-ico svg { width: 23px; height: 23px; }
.card h3 { font-size: 17px; font-weight: 700; margin-bottom: 9px; letter-spacing: -.2px; }
.card p { font-size: 14px; color: var(--muted); line-height: 1.8; }
.card .kbd {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11.5px;
  padding: 3px 8px;
  border-radius: 7px;
  background: rgba(255, 255, 255, .66);
  color: #43536E;
  border: 1px solid rgba(255, 255, 255, .95);
  box-shadow: inset 0 1px 0 #fff, 0 6px 14px -10px rgba(20, 45, 92, .4);
  margin-top: 14px;
}

/* ---------- 功能详解 tabs ---------- */
.tabs-nav { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-bottom: 36px; }
.tabs-nav button {
  height: 46px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .9);
  background: linear-gradient(150deg, rgba(255, 255, 255, .60), rgba(255, 255, 255, .26));
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 1), 0 12px 26px -20px rgba(16, 40, 84, .5);
  color: var(--muted);
  font-size: 14.5px;
  font-weight: 600;
  transition: all .22s ease;
}
.tabs-nav button:hover { border-color: rgba(47, 123, 255, .45); color: var(--brand-deep); transform: translateY(-1px); }
.tabs-nav button.active {
  background: linear-gradient(140deg, #3D86FF, #1656D6);
  border-color: rgba(47, 123, 255, .55);
  color: #fff;
  box-shadow: 0 14px 30px -14px rgba(47, 123, 255, .70), inset 0 1px 0 rgba(255, 255, 255, .40);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeUp .35s ease both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: center; }
.split.rev .split-media { order: 2; }
.split-copy h3 { font-size: 24px; font-weight: 800; letter-spacing: -.4px; margin-bottom: 14px; }
.split-copy > p { color: var(--muted); font-size: 15px; line-height: 1.9; margin-bottom: 22px; }
.check-list li { display: flex; gap: 11px; align-items: flex-start; padding: 9px 0; font-size: 14.5px; color: #33415C; }
.check-list li svg { width: 18px; height: 18px; flex: none; margin-top: 4px; color: var(--brand); }
.check-list li b { color: var(--text); font-weight: 700; }

/* 详解内的示意面板 */
.panel {
  background: linear-gradient(165deg, rgba(255, 255, 255, .86) 0%, rgba(238, 246, 255, .74) 100%);
  backdrop-filter: blur(26px) saturate(180%);
  -webkit-backdrop-filter: blur(26px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, .95);
  border-radius: 24px;
  padding: 22px;
  box-shadow: 0 34px 70px -30px rgba(20, 45, 92, .36), inset 0 1px 0 #fff;
  color: #33415C;
  font-size: 13px;
  position: relative;
  overflow: hidden;
}
.panel::before {
  content: "";
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(47, 123, 255, .075) 1px, transparent 1px), linear-gradient(90deg, rgba(47, 123, 255, .075) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}
.panel-title { display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: #5C7091; letter-spacing: 1px; margin-bottom: 16px; position: relative; }
.panel-title span:last-child { font-family: var(--mono); color: #96A8C0; }
.frame-map { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.frame-box {
  position: relative;
  border: 1px dashed rgba(47, 123, 255, .42);
  border-radius: 7px;
  height: 74px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 7px 8px;
  background: rgba(47, 123, 255, .07);
}
.frame-box .fb-title { font-size: 10px; color: #1B3A66; font-weight: 600; }
.frame-box .fb-no { font-size: 9.5px; color: #7A8CA8; font-family: var(--mono); }
.frame-box .idx {
  position: absolute;
  top: -7px; left: -7px;
  width: 17px; height: 17px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  font-size: 10px;
  display: grid;
  place-items: center;
  font-weight: 700;
  box-shadow: 0 0 0 3px rgba(47, 123, 255, .2);
}
.frame-box.hot { border-color: rgba(14, 165, 196, .6); background: rgba(34, 211, 238, .10); }

/* 命名示意 */
.name-demo { display: grid; gap: 9px; position: relative; }
.name-line {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 11px;
  border-radius: 8px;
  background: rgba(255, 255, 255, .72);
  border: 1px solid rgba(120, 150, 190, .18);
  font-family: var(--mono);
  font-size: 11.5px;
  color: #3B4C68;
  overflow: hidden;
}
.name-line .chip { padding: 1px 6px; border-radius: 4px; background: rgba(47, 123, 255, .12); color: #1656D6; font-size: 10.5px; }
.name-line .arrow { color: #9AAAC2; }
.name-line .file { color: #0B72A8; }
.name-line .ok { margin-left: auto; color: var(--ok); font-size: 11px; }

/* 输出示意 */
.out-list { display: grid; gap: 10px; position: relative; }
.out-item {
  display: flex; align-items: center; gap: 11px;
  padding: 11px 13px;
  border-radius: 9px;
  border: 1px solid rgba(120, 150, 190, .18);
  background: rgba(255, 255, 255, .72);
  font-size: 12px;
}
.out-item .pdf { width: 26px; height: 30px; border-radius: 4px; background: rgba(47, 123, 255, .12); border: 1px solid rgba(47, 123, 255, .30); display: grid; place-items: center; font-size: 9px; color: #1656D6; font-weight: 700; flex: none; }
.out-item .nm { color: #33415C; }
.out-item .st { margin-left: auto; font-size: 11px; color: var(--ok); }
.out-item.merged { border-color: rgba(34, 211, 238, .5); background: rgba(34, 211, 238, .10); }

/* 比例示意 */
.scale-demo { position: relative; display: grid; place-items: center; padding: 6px 0 2px; }
.sheet {
  width: 190px; height: 134px;
  border: 1px solid rgba(47, 123, 255, .38);
  border-radius: 4px;
  position: relative;
  background: rgba(255, 255, 255, .6);
}
.sheet .inner { position: absolute; inset: 10px; border: 1px dashed rgba(14, 165, 196, .55); border-radius: 2px; display: grid; place-items: center; color: #3B6FA8; font-size: 10.5px; }
.sheet .dim { position: absolute; font-family: var(--mono); font-size: 9.5px; color: #7A8CA8; }
.sheet .dim.w { bottom: -17px; left: 50%; transform: translateX(-50%); }
.sheet .dim.h { right: -30px; top: 50%; transform: translateY(-50%); }
.scale-tags { display: flex; gap: 7px; justify-content: center; margin-top: 26px; position: relative; flex-wrap: wrap; }
.scale-tags span { font-size: 11px; padding: 3px 9px; border-radius: 999px; border: 1px solid rgba(47, 123, 255, .26); color: #1656D6; background: rgba(255, 255, 255, .5); }
.scale-tags span.on { background: rgba(47, 123, 255, .14); border-color: #2F7BFF; color: #12428F; }

/* ---------- 三步上手 ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: step; }
.step {
  position: relative;
  padding: 32px 26px 28px;
  border-radius: 24px;
  background: linear-gradient(158deg, rgba(255, 255, 255, .66), rgba(255, 255, 255, .30));
  backdrop-filter: blur(28px) saturate(190%);
  -webkit-backdrop-filter: blur(28px) saturate(190%);
  border: 1px solid rgba(255, 255, 255, .88);
  box-shadow: 0 28px 56px -26px rgba(16, 40, 84, .36), inset 0 1px 0 rgba(255, 255, 255, 1);
  transition: transform .3s ease, box-shadow .3s ease;
}
.step:hover { transform: translateY(-4px); box-shadow: 0 32px 64px -26px rgba(20, 45, 92, .34), inset 0 1px 0 #fff; }
.step .no {
  position: absolute;
  top: -16px; left: 26px;
  width: 34px; height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, #3D86FF, #1656D6);
  color: #fff;
  font-weight: 800;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 18px rgba(47, 123, 255, .3);
  font-size: 15px;
}
.step h3 { font-size: 16.5px; font-weight: 700; margin: 14px 0 10px; }
.step p { font-size: 14px; color: var(--muted); line-height: 1.8; }
.cmd {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding: 7px 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, .72);
  border: 1px solid rgba(47, 123, 255, .22);
  box-shadow: inset 0 1px 0 #fff, 0 8px 18px -14px rgba(20, 45, 92, .5);
  color: #1656D6;
  font-family: var(--mono);
  font-size: 12.5px;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease;
}
.cmd:hover { background: #fff; border-color: rgba(47, 123, 255, .42); }
.cmd .key { color: #1656D6; font-weight: 700; }
.cmd .cp { margin-left: 4px; color: #8FA0B8; font-size: 11px; }

/* ---------- 平台支持 ---------- */
.table-wrap {
  background: linear-gradient(160deg, rgba(255, 255, 255, .64), rgba(255, 255, 255, .30));
  backdrop-filter: blur(26px) saturate(190%);
  -webkit-backdrop-filter: blur(26px) saturate(190%);
  border: 1px solid rgba(255, 255, 255, .88);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 28px 56px -26px rgba(16, 40, 84, .34), inset 0 1px 0 rgba(255, 255, 255, 1);
}
table.spec { width: 100%; border-collapse: collapse; font-size: 14.5px; }
table.spec th { text-align: left; padding: 15px 22px; background: rgba(255, 255, 255, .55); font-size: 13px; letter-spacing: .5px; color: #4A5B75; font-weight: 700; border-bottom: 1px solid rgba(120, 150, 190, .20); }
table.spec td { padding: 15px 22px; border-bottom: 1px solid rgba(120, 150, 190, .16); color: #33415C; vertical-align: top; }
table.spec tr:last-child td { border-bottom: 0; }
table.spec td:first-child { font-weight: 600; color: var(--text); width: 34%; }
.pill { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; padding: 3px 10px; border-radius: 999px; background: rgba(255, 255, 255, .62); border: 1px solid rgba(255, 255, 255, .95); box-shadow: inset 0 1px 0 #fff; color: #0E8A63; font-weight: 600; }
.pill.gray { background: rgba(255, 255, 255, .5); color: #5C6C86; }
.plat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 22px; }
.plat {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, .88);
  background: linear-gradient(150deg, rgba(255, 255, 255, .64), rgba(255, 255, 255, .30));
  backdrop-filter: blur(24px) saturate(190%);
  -webkit-backdrop-filter: blur(24px) saturate(190%);
  box-shadow: 0 18px 40px -24px rgba(16, 40, 84, .36), inset 0 1px 0 rgba(255, 255, 255, 1);
  font-size: 14px;
  font-weight: 600;
  transition: transform .25s ease, box-shadow .25s ease;
}
.plat:hover { transform: translateY(-3px); box-shadow: 0 24px 44px -24px rgba(20, 45, 92, .42), inset 0 1px 0 #fff; }
.plat .ico { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: rgba(255, 255, 255, .8); border: 1px solid rgba(255, 255, 255, .9); color: var(--brand-deep); flex: none; }
.plat .ico svg { width: 18px; height: 18px; }
.plat small { display: block; font-weight: 400; color: var(--muted-2); font-size: 11.5px; }

/* ---------- 下载区 ---------- */
.download {
  position: relative;
  background:
    radial-gradient(60% 50% at 8% 0%, rgba(47, 123, 255, .18), transparent 62%),
    radial-gradient(50% 46% at 96% 100%, rgba(34, 211, 238, .16), transparent 62%),
    linear-gradient(180deg, rgba(227, 240, 255, .92) 0%, rgba(214, 231, 255, .95) 100%);
  color: var(--text);
  overflow: hidden;
  border-radius: 48px 48px 0 0;
  margin-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, .9);
}
.download::before {
  content: "";
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(47, 123, 255, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(47, 123, 255, .06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 30% 20%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 30% 20%, #000, transparent 75%);
}
.download .wrap { position: relative; z-index: 1; }
.download::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(42rem 28rem at 10% -4%, rgba(47, 123, 255, .12), transparent 66%),
    radial-gradient(36rem 24rem at 94% 102%, rgba(34, 211, 238, .10), transparent 66%);
}
.download .section-head h2 { color: var(--text); }
.download .section-head p { color: #5C6C86; }
.dl-grid { display: grid; grid-template-columns: 1fr; gap: 22px; }
.dl-main {
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, .95);
  background: linear-gradient(158deg, rgba(255, 255, 255, .88) 0%, rgba(244, 250, 255, .62) 100%);
  backdrop-filter: blur(26px) saturate(180%);
  -webkit-backdrop-filter: blur(26px) saturate(180%);
  box-shadow: 0 36px 72px -32px rgba(20, 45, 92, .34), inset 0 1px 0 #fff;
  padding: 32px;
  position: relative;
  overflow: hidden;
}
.dl-main::after {
  content: "";
  position: absolute;
  right: -60px; top: -60px;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(34, 211, 238, .18), transparent 70%);
}
.dl-head { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 22px; position: relative; }
.dl-ico { width: 52px; height: 52px; border-radius: 14px; background: linear-gradient(135deg, #3D86FF, #1656D6); display: grid; place-items: center; flex: none; box-shadow: 0 10px 24px rgba(47, 123, 255, .35); }
.dl-ico svg { width: 26px; height: 26px; color: #fff; }
.dl-head h3 { font-size: 21px; font-weight: 800; margin-bottom: 4px; }
.dl-head .ver { font-size: 12.5px; color: #1656D6; font-family: var(--mono); }
.dl-files { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-bottom: 24px; position: relative; }
.dl-file {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 15px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, .95);
  background: linear-gradient(140deg, rgba(255, 255, 255, .90), rgba(248, 251, 255, .66));
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: inset 0 1px 0 #fff, 0 12px 26px -22px rgba(20, 45, 92, .5);
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}
.dl-file:hover { background: #fff; border-color: rgba(47, 123, 255, .38); transform: translateY(-1px); }
.dl-file .ext {
  width: 40px; height: 40px; border-radius: 9px;
  display: grid; place-items: center;
  font-size: 10px; font-weight: 800; letter-spacing: .5px;
  background: rgba(47, 123, 255, .12);
  border: 1px solid rgba(47, 123, 255, .26);
  color: #1656D6;
  flex: none;
}
.dl-file .info { min-width: 0; }
.dl-file .info b { display: block; font-size: 14px; font-weight: 600; color: #1B2A44; }
.dl-file .info span { font-size: 11.5px; color: #7A8CA8; }
.dl-file .go { margin-left: auto; color: #2F7BFF; flex: none; }
.dl-file .go svg { width: 18px; height: 18px; }
.dl-actions { display: flex; gap: 12px; flex-wrap: wrap; position: relative; }
.dl-note { font-size: 12.5px; color: #7A8CA8; margin-top: 16px; line-height: 1.8; position: relative; }

.dl-side { display: grid; gap: 22px; align-content: start; }
.side-card {
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, .95);
  background: linear-gradient(158deg, rgba(255, 255, 255, .88), rgba(245, 250, 255, .60));
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  box-shadow: 0 30px 60px -30px rgba(20, 45, 92, .32), inset 0 1px 0 #fff;
  padding: 26px;
}
.side-card h4 { font-size: 15px; font-weight: 700; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; color: #0E1729; }
.side-card h4 svg { width: 17px; height: 17px; color: #2F7BFF; }
.side-card ul li { display: flex; gap: 9px; font-size: 13.5px; color: #55688A; padding: 6px 0; line-height: 1.7; }
.side-card ul li svg { width: 15px; height: 15px; flex: none; margin-top: 4px; color: var(--ok); }
.dl-side .side-card ul { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px 32px; margin-top: 2px; }


/* ---------- 联系 / 尾部 CTA ---------- */
.cta-band { padding: 0 0 92px; }
.cta-box {
  position: relative;
  border-radius: 28px;
  padding: 48px;
  background:
    radial-gradient(70% 100% at 100% 0%, rgba(47, 123, 255, .18), transparent 60%),
    linear-gradient(120deg, rgba(255, 255, 255, .90), rgba(236, 245, 255, .72) 55%, rgba(226, 240, 255, .70));
  backdrop-filter: blur(26px) saturate(180%);
  -webkit-backdrop-filter: blur(26px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, .95);
  box-shadow: 0 36px 72px -32px rgba(20, 45, 92, .34), inset 0 1px 0 #fff;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  overflow: hidden;
}
.cta-box::before {
  content: "";
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(47, 123, 255, .07) 1px, transparent 1px), linear-gradient(90deg, rgba(47, 123, 255, .07) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 60% 100% at 85% 50%, #000, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 100% at 85% 50%, #000, transparent 70%);
}
.cta-box h2 { font-size: clamp(22px, 2.6vw, 30px); font-weight: 800; margin-bottom: 10px; letter-spacing: -.4px; position: relative; }
.cta-box p { color: #55688A; font-size: 14.5px; position: relative; }
.cta-box .btn { position: relative; flex: none; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: linear-gradient(180deg, rgba(240, 247, 255, .88), rgba(222, 236, 255, .95));
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-top: 1px solid rgba(255, 255, 255, .95);
  color: #55688A;
  padding: 56px 0 30px;
  font-size: 13.5px;
}
.foot-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; padding-bottom: 36px; border-bottom: 1px solid rgba(120, 150, 190, .18); }
.foot-brand .brand { margin-bottom: 14px; }
.foot-brand p { line-height: 1.85; max-width: 300px; }
.foot-col h5 { color: #1B2A44; font-size: 13.5px; font-weight: 700; margin-bottom: 14px; letter-spacing: .5px; }
.foot-col a { display: block; padding: 5px 0; color: #55688A; transition: color .18s ease; }
.foot-col a:hover { color: #1656D6; }
.foot-bottom { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding-top: 24px; flex-wrap: wrap; font-size: 12.5px; color: #7A8CA8; }
.foot-bottom a:hover { color: #1656D6; }

/* ---------- 首页推荐软件：简洁卡片 ---------- */
.rec-soft {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}
.rec-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 30px 22px 20px;
  border-radius: 14px;
  border: 1px solid #EDF1F8;
  background: #fff;
  box-shadow: 0 8px 24px -14px rgba(16, 40, 84, .16);
  transition: transform .26s cubic-bezier(.2, .7, .3, 1), box-shadow .26s ease, border-color .26s ease;
}
.rec-card:hover {
  transform: translateY(-3px);
  border-color: #DCE7FA;
  box-shadow: 0 18px 36px -18px rgba(16, 40, 84, .24);
}
.rec-ico {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
}
.rec-ico img { width: 58px; height: 58px; object-fit: contain; }
.rec-card h3 {
  margin: 16px 0 0;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -.2px;
  line-height: 1.5;
  color: #1B2A44;
}
.rec-card h3 a { color: inherit; }
.rec-btn {
  margin-top: 22px;
  width: 100%;
  height: 40px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: #2F7BFF;
  transition: background .22s ease;
}
.rec-btn:hover { background: #1656D6; }
.rec-more {
  margin-top: 12px;
  font-size: 13.5px;
  color: #2F7BFF;
  transition: color .22s ease;
}
.rec-more:hover { color: #1656D6; }

/* ---------- 首页常见问题：插画 + 问答列表 ---------- */
.fq-panel {
  display: grid;
  grid-template-columns: 40% minmax(0, 1fr);
  gap: 34px;
  align-items: center;
  padding: 30px 34px;
  border-radius: 18px;
  border: 1px solid #EDF1F8;
  background: #fff;
  box-shadow: 0 10px 30px -18px rgba(16, 40, 84, .18);
}
.fq-visual { display: grid; place-items: center; }
.fq-visual svg { width: 100%; max-width: 100%; height: auto; display: block; }

.fq-items { min-width: 0; }
.fq-row {
  padding: 15px 0;
  border-bottom: 1px solid #EEF2F8;
}
.fq-row:first-child { padding-top: 2px; }
.fq-row:last-child { border-bottom: 0; padding-bottom: 2px; }

.fq-q,
.fq-a { display: flex; gap: 10px; margin: 0; align-items: flex-start; }
.fq-q {
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: -.2px;
  color: #1B2A44;
}
.fq-a {
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.6;
  color: #7A8CA8;
}
.fq-a > span:last-child {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.qa {
  flex: none;
  width: 20px;
  height: 20px;
  border-radius: 5px;
  display: inline-grid;
  place-items: center;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  margin-top: 2px;
  letter-spacing: 0;
}
.qa-q { background: #2F7BFF; }
.qa-a { background: #22C55E; }

@media (max-width: 1080px) {
  .rec-soft { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fq-panel { grid-template-columns: 1fr; gap: 22px; padding: 24px; }
  .fq-visual { max-width: 320px; margin: 0 auto; }
}
@media (max-width: 560px) {
  .rec-soft { grid-template-columns: 1fr; gap: 14px; }
  .rec-card { padding: 24px 18px 18px; }
  .fq-panel { padding: 20px 16px; }
  .fq-a > span:last-child { -webkit-line-clamp: 2; }
}

/* ---------- 滚动出现动画 ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s cubic-bezier(.2, .7, .3, 1), transform .6s cubic-bezier(.2, .7, .3, 1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .mock-badge.b1, .mock-badge.b2 { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 不支持 backdrop-filter 时的降级 ---------- */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .card, .step, .compare, .table-wrap, .faq, .plat, .tabs-nav button { background: rgba(255, 255, 255, .93); }
  .panel, .mock, .dl-main, .side-card, .dl-file, .cta-box, .site-footer { background: rgba(255, 255, 255, .92); }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 620px; margin: 0 auto; width: 100%; }
  .hero-sub { max-width: none; }
  .mock { transform: none; }
  .mock:hover { transform: none; }
  .mock-badge.b1 { right: 0; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .split { gap: 32px; }
  .foot-top { grid-template-columns: 1fr 1fr; }
  .dl-grid { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .section { padding: 32px 0; }
  .hero { padding: 108px 0 68px; }
  .nav { display: none; }
  .nav-toggle { display: grid; place-items: center; }
  .header-actions .btn-ghost { display: none; }
  .site-header.menu-open { background: rgba(255, 255, 255, .98); }
  .site-header.menu-open .nav {
    display: flex;
    position: absolute;
    top: 68px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 12px 18px 20px;
    background: #fff;
    border-bottom: 1px solid rgba(120, 150, 190, .16);
    box-shadow: 0 24px 44px -26px rgba(20, 45, 92, .38);
  }
  .site-header.menu-open .nav a { padding: 12px 14px; }
  .site-header.menu-open .nav a.active::after { display: none; }
  .cards { grid-template-columns: 1fr; }
  .dl-side .side-card ul { grid-template-columns: 1fr; }
  .dl-files { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .split.rev .split-media { order: 0; }
  .plat-grid { grid-template-columns: 1fr; }
  .compare-row { grid-template-columns: 1fr; }
  .compare-row > div { padding: 12px 18px; }
  .compare-key { padding-top: 16px !important; background: var(--paper-2); font-size: 12px !important; }
  .compare-head { display: none; }
  .cell-old::before { content: "手动："; color: #A9B4C4; font-size: 12px; flex: none; }
  .cell-new::before { content: "BPlot："; color: var(--brand-deep); font-size: 12px; font-weight: 700; flex: none; }
  .cta-box { flex-direction: column; align-items: flex-start; padding: 34px 26px; }
  .foot-top { grid-template-columns: 1fr; gap: 26px; }
  .mock-body { grid-template-columns: 1fr; }
  .mock-badge { display: none; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 18px; }
  .hero h1 { font-size: 32px; }
  .eyebrow { height: auto; padding: 7px 13px; font-size: 11.5px; line-height: 1.55; white-space: normal; }
  .hero-cta .btn { flex: 1 1 auto; }
  .btn-lg { height: 48px; padding: 0 20px; font-size: 15px; }
  .dl-main { padding: 24px 20px; }
  .dl-head { gap: 12px; }
  .dl-head h3 { font-size: 19px; }
  .dl-head .ver { font-size: 11.5px; letter-spacing: 0; }
  .dl-actions .btn { flex: 1 1 auto; }
  .faq { padding: 4px 16px; }
  .fq-q { gap: 10px; padding: 18px 2px; font-size: 14.5px; }
  .faq-a-inner { padding-left: 4px; padding-right: 4px; }
  /* 品牌小字承载「这是什么」的品类信息，移动端不隐藏，只缩小以免挤压导航 */
  .brand-text em { font-size: 11px; letter-spacing: 1px; }
}

/* ============================================================
   软件下载：列表页 softlist.html / 详情页 soft.html
   ============================================================ */

/* ---------- 面包屑 ---------- */
.crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: #7A8CA8;
  margin-bottom: 22px;
  flex-wrap: wrap;
}
.crumb a { color: #5C7091; transition: color .18s ease; }
.crumb a:hover { color: #1656D6; }
.crumb i { font-style: normal; color: #B6C4D8; }
.crumb span { color: #33415C; }

/* ---------- 列表页头 ---------- */
.soft-hero {
  padding: 118px 0 44px;
  background:
    radial-gradient(56% 60% at 8% 0%, rgba(255, 255, 255, .92) 0%, rgba(255, 255, 255, 0) 62%),
    radial-gradient(46% 52% at 92% 0%, rgba(34, 211, 238, .16), transparent 62%),
    linear-gradient(180deg, rgba(247, 251, 255, .82) 0%, rgba(240, 246, 255, .30) 100%);
  border-bottom: 1px solid rgba(255, 255, 255, .8);
}
.soft-hero .tag {
  display: inline-block;
  margin-bottom: 14px;
  padding: 5px 13px;
  border: 1px solid rgba(47, 123, 255, .16);
  border-radius: 999px;
  color: #1656D6;
  background: rgba(255, 255, 255, .78);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
}
.soft-hero-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.soft-hero-copy h1 {
  font-size: clamp(28px, 3.4vw, 42px);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 12px;
}
.soft-hero-copy p {
  color: #55688A;
  font-size: 15.5px;
  max-width: 560px;
}
.soft-hero-points { display: flex; gap: 10px; flex-wrap: wrap; }
.soft-hero-points li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 38px;
  padding: 0 15px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .95);
  background: linear-gradient(150deg, rgba(255, 255, 255, .8), rgba(255, 255, 255, .45));
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 10px 24px -18px rgba(20, 45, 92, .45), inset 0 1px 0 #fff;
  font-size: 13px;
  color: #33415C;
  white-space: nowrap;
}
.soft-hero-points svg { width: 15px; height: 15px; color: #2F7BFF; flex: none; }

/* ---------- 列表布局 ---------- */
.soft-list-section { padding-top: 48px; }
.soft-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 316px;
  gap: 32px;
  align-items: start;
}

/* 筛选 */
.soft-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}
.soft-chip {
  display: inline-flex;
  align-items: center;
  height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .95);
  background: linear-gradient(150deg, rgba(255, 255, 255, .72), rgba(255, 255, 255, .38));
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: inset 0 1px 0 #fff;
  font-size: 13px;
  color: #5C7091;
  transition: all .2s ease;
}
.soft-chip:hover { color: #1656D6; border-color: rgba(47, 123, 255, .38); }
.soft-chip.is-on {
  background: linear-gradient(140deg, #3D86FF, #1656D6);
  border-color: rgba(47, 123, 255, .55);
  color: #fff;
  box-shadow: 0 10px 22px -12px rgba(47, 123, 255, .7);
}

/* 卡片：单列行式（精简版） */
.soft-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.soft-card {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  padding: 24px 28px;
  border-radius: 26px;
  border: 1px solid rgba(255, 255, 255, .90);
  background: linear-gradient(120deg, rgba(255, 255, 255, .82) 0%, rgba(255, 255, 255, .50) 55%, rgba(255, 255, 255, .34) 100%);
  backdrop-filter: blur(28px) saturate(190%);
  -webkit-backdrop-filter: blur(28px) saturate(190%);
  box-shadow: 0 20px 44px -30px rgba(16, 40, 84, .38), inset 0 1px 0 #fff;
  transition: transform .32s cubic-bezier(.2, .7, .3, 1), box-shadow .32s ease, border-color .32s ease;
  overflow: hidden;
}
.soft-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255, 255, 255, .60) 0%, rgba(255, 255, 255, .06) 24%, transparent 44%);
  pointer-events: none;
}
.soft-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(120deg, rgba(47, 123, 255, .06), rgba(34, 211, 238, .05));
  opacity: 0;
  transition: opacity .32s ease;
  pointer-events: none;
}
.soft-card:hover::after { opacity: 1; }
.soft-card:hover {
  transform: translateY(-4px);
  border-color: rgba(47, 123, 255, .22);
  box-shadow: 0 30px 58px -30px rgba(16, 40, 84, .44), inset 0 1px 0 #fff;
}
.soft-card > * { position: relative; z-index: 1; }
.soft-ico {
  width: 72px; height: 72px;
  flex: none;
  border-radius: 20px;
  background: linear-gradient(150deg, #fff 0%, #F2F7FF 100%);
  border: 1px solid rgba(120, 150, 190, .14);
  box-shadow: 0 12px 26px -18px rgba(20, 45, 92, .55), inset 0 1px 0 #fff;
  display: grid;
  place-items: center;
  overflow: hidden;
  transition: transform .32s ease;
}
.soft-card:hover .soft-ico { transform: scale(1.03); }
.soft-ico img { width: 54px; height: 54px; object-fit: contain; }
.soft-card-body { min-width: 0; }
.soft-card-name {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.35px;
  line-height: 1.42;
}
.soft-card-name a:hover { color: #1656D6; }
.soft-card-sub {
  font-size: 13.5px;
  color: #7A8CA8;
  line-height: 1.65;
  margin-top: 5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.soft-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 12px;
  font-size: 12.5px;
  color: #7A8CA8;
}
.soft-card-meta span { display: inline-flex; align-items: center; gap: 5px; }
.soft-card-meta svg { width: 13px; height: 13px; color: #9AAAC2; flex: none; }
.soft-card-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
  flex: none;
  z-index: 3;
}
.soft-card-date { font-size: 12px; color: #9AAAC2; letter-spacing: .2px; }
.soft-dl {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 42px;
  padding: 0 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .2px;
  white-space: nowrap;
  color: #1656D6;
  background: rgba(47, 123, 255, .08);
  border: 1px solid rgba(47, 123, 255, .16);
  transition: background .25s ease, color .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.soft-dl svg { width: 15px; height: 15px; transition: transform .25s ease; }
.soft-card:hover .soft-dl {
  background: linear-gradient(140deg, #3D86FF, #1656D6);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 12px 24px -12px rgba(47, 123, 255, .72);
}
.soft-card:hover .soft-dl svg { transform: translateX(3px); }
.soft-card-name a::after { content: ""; position: absolute; inset: 0; z-index: 2; }

.soft-pager {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  margin-top: 36px;
  flex-wrap: wrap;
  font-size: 13.5px;
}
.soft-pager a, .soft-pager span {
  min-width: 36px;
  height: 36px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, .95);
  background: rgba(255, 255, 255, .62);
  color: #5C7091;
}
.soft-pager a:hover { color: #1656D6; border-color: rgba(47, 123, 255, .4); }
.soft-pager .is-current { background: linear-gradient(140deg, #3D86FF, #1656D6); color: #fff; border-color: transparent; }
.soft-empty {
  padding: 60px 0;
  text-align: center;
  color: #7A8CA8;
  font-size: 14px;
}

/* 侧栏 */
.soft-side { display: grid; gap: 18px; position: sticky; top: 92px; }
.side-block {
  padding: 22px;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, .92);
  background: linear-gradient(155deg, rgba(255, 255, 255, .74), rgba(255, 255, 255, .42));
  backdrop-filter: blur(24px) saturate(170%);
  -webkit-backdrop-filter: blur(24px) saturate(170%);
  box-shadow: 0 22px 46px -26px rgba(16, 40, 84, .30), inset 0 1px 0 #fff;
}
.side-block h3 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: #1B2A44;
}
.side-block h3::before {
  content: "";
  width: 3px; height: 14px;
  border-radius: 2px;
  background: linear-gradient(180deg, #3D86FF, #22D3EE);
}
.side-list { display: grid; }
.side-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(120, 150, 190, .12);
}
.side-item:last-child { border-bottom: 0; padding-bottom: 0; }
.side-item:first-child { padding-top: 0; }
.side-ico {
  width: 38px; height: 38px;
  flex: none;
  border-radius: 10px;
  background: #fff;
  border: 1px solid rgba(120, 150, 190, .14);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.side-ico img { width: 28px; height: 28px; object-fit: contain; }
.side-text { min-width: 0; }
.side-text b {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #1B2A44;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.side-item:hover .side-text b { color: #1656D6; }
.side-text em {
  font-style: normal;
  font-size: 11.5px;
  color: #8FA0B8;
}
.side-help p {
  font-size: 13px;
  line-height: 1.8;
  color: #55688A;
  margin-bottom: 14px;
}
.side-help code {
  background: rgba(47, 123, 255, .09);
  border-color: rgba(47, 123, 255, .18);
  color: #1656D6;
  font-size: 11.5px;
}

/* ---------- 详情页 ---------- */
.soft-detail .wrap,
.sd-band .wrap,
.sd-sticky .wrap { max-width: var(--wrap); }

.soft-detail {
  position: relative;
  padding: 126px 0 76px;
  background:
    radial-gradient(50% 60% at 6% 0%, rgba(255, 255, 255, .96) 0%, rgba(255, 255, 255, 0) 60%),
    radial-gradient(42% 50% at 98% 0%, rgba(34, 211, 238, .10), transparent 62%);
}
.soft-detail::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 120px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), #fff 82%);
  pointer-events: none;
}
.soft-detail > .wrap { position: relative; z-index: 1; }

.sd-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  gap: 56px;
  align-items: center;
}
.sd-head { display: block; }
.sd-head-text h1 {
  font-size: clamp(30px, 3.5vw, 46px);
  font-weight: 800;
  letter-spacing: -1.4px;
  line-height: 1.18;
}
.sd-head-text p {
  margin-top: 16px;
  font-size: 17px;
  line-height: 1.75;
  color: #717F94;
  max-width: 520px;
}

.sd-facts { display: flex; flex-wrap: wrap; gap: 40px; margin: 34px 0 16px; }
.sd-facts div { display: flex; flex-direction: column; gap: 5px; }
.sd-facts em { font-style: normal; font-size: 12px; color: #8A9BB4; letter-spacing: .5px; }
.sd-facts b { font-size: 16.5px; font-weight: 700; color: #161F2D; letter-spacing: -.2px; }

.sd-subline {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  font-size: 13.5px;
  color: #8A9BB4;
  margin-bottom: 32px;
}
.sd-subline span { display: inline-flex; align-items: center; }
.sd-subline span + span { padding-left: 16px; position: relative; }
.sd-subline span + span::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 3px; height: 3px;
  margin-top: -1.5px;
  border-radius: 50%;
  background: #C3D1E4;
}

.sd-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.sd-actions .btn-lg { height: 50px; padding: 0 30px; font-size: 15.5px; }
.sd-actions .is-disabled { opacity: .5; cursor: not-allowed; }

/* 首屏轮播 */
.sd-gallery { position: relative; }
.sd-slides {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: 16px;
  overflow: hidden;
  background: #EEF3FB;
  box-shadow: 0 34px 70px -34px rgba(16, 40, 84, .42), 0 0 0 1px rgba(120, 150, 190, .10);
}
.sd-slide {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  transition: opacity .55s ease;
  pointer-events: none;
}
.sd-slide.is-on { opacity: 1; pointer-events: auto; }
.sd-slide img { width: 100%; height: 100%; object-fit: cover; object-position: top center; display: block; }
.sd-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px; height: 40px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: #1B2A44;
  background: rgba(255, 255, 255, .9);
  border: 1px solid rgba(255, 255, 255, .95);
  box-shadow: 0 10px 22px -12px rgba(20, 45, 92, .5);
  opacity: 0;
  transition: opacity .25s ease, background .25s ease;
  z-index: 2;
}
.sd-arrow svg { width: 18px; height: 18px; }
.sd-gallery:hover .sd-arrow { opacity: 1; }
.sd-arrow:hover { background: #fff; }
.sd-arrow.prev { left: -18px; }
.sd-arrow.next { right: -18px; }
.sd-dots { display: flex; gap: 7px; justify-content: center; margin-top: 16px; }
.sd-dots button {
  width: 7px; height: 7px;
  padding: 0;
  border-radius: 999px;
  background: #C3D1E4;
  transition: width .25s ease, background .25s ease;
}
.sd-dots button.is-on { width: 22px; background: #2F7BFF; }

/* 顶部固定下载条 */
.sd-sticky {
  position: fixed;
  left: 0; right: 0; top: 68px;
  z-index: 80;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(120, 150, 190, .14);
  box-shadow: 0 12px 28px -22px rgba(20, 45, 92, .40);
  transform: translateY(-14px);
  opacity: 0;
  visibility: hidden;
  transition: transform .35s cubic-bezier(.2, .7, .3, 1), opacity .25s ease, visibility .25s ease;
  pointer-events: none;
}
.sd-sticky.is-on {
  transform: none;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.sd-sticky .wrap { display: flex; align-items: center; gap: 14px; height: 62px; }
.sd-sticky img { width: 34px; height: 34px; border-radius: 9px; background: #fff; }
.sd-sticky-text { display: flex; align-items: baseline; gap: 10px; min-width: 0; }
.sd-sticky-text b { font-size: 15px; color: #161F2D; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sd-sticky-text span { font-size: 12.5px; color: #8FA0B8; }
.sd-sticky-size { font-size: 12.5px; color: #8FA0B8; }
.sd-sticky .btn { margin-left: auto; height: 40px; padding: 0 22px; font-size: 14px; }

/* 功能图解：交替分栏 */
.sd-band { padding: 96px 0; background: #fff; }
.sd-band:nth-child(even) { background: linear-gradient(180deg, #F5F8FE, #EFF5FE); }
.sd-band-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 84px;
  align-items: center;
}
.sd-band:nth-child(even) .sd-band-fig { order: 2; }
.sd-band-fig { margin: 0; }
.sd-band-fig img {
  width: 100%;
  display: block;
  border-radius: 16px;
  box-shadow: 0 26px 56px -32px rgba(16, 40, 84, .34), 0 0 0 1px rgba(120, 150, 190, .10);
}
.sd-band-text { max-width: 450px; }
.sd-band-text .k {
  display: block;
  width: 36px; height: 4px;
  border-radius: 3px;
  background: linear-gradient(90deg, #3D86FF, #22D3EE);
  margin-bottom: 22px;
}
.sd-band-text h2 {
  font-size: clamp(24px, 2.4vw, 32px);
  font-weight: 800;
  letter-spacing: -.8px;
  line-height: 1.34;
  color: #161F2D;
  margin-bottom: 16px;
}
.sd-band-text p { font-size: 16.5px; line-height: 2; color: #6B7A90; }
.sd-band-text p:empty { display: none; }
.sd-band-btn {
  margin-top: 28px;
  height: 46px;
  padding: 0 24px;
  font-size: 15px;
  gap: 8px;
}
.sd-band-btn svg { width: 17px; height: 17px; }
.btn.is-disabled,
.btn:disabled {
  opacity: .45;
  cursor: not-allowed;
  pointer-events: none;
  box-shadow: none;
}

/* 正文 */
.sd-body { padding: 84px 0 88px; background: #fff; }
.soft-article {
  max-width: 780px;
  margin: 0 auto;
  font-size: 17px;
  line-height: 2.05;
  color: #43536E;
}
.soft-article h3 {
  position: relative;
  font-size: 22px;
  font-weight: 800;
  color: #161F2D;
  letter-spacing: -.4px;
  margin: 40px 0 16px;
  padding-left: 14px;
}
.soft-article h3::before {
  content: "";
  position: absolute;
  left: 0; top: 6px; bottom: 6px;
  width: 4px;
  border-radius: 3px;
  background: linear-gradient(180deg, #3D86FF, #22D3EE);
}
.soft-article h3:first-child { margin-top: 0; }
.soft-article p { margin: 0 0 16px; }
.soft-article ul { margin: 0 0 20px; padding: 0; list-style: none; }
.soft-article ul li { position: relative; padding-left: 20px; margin-bottom: 10px; }
.soft-article ul li::before {
  content: "";
  position: absolute;
  left: 4px; top: 13px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #2F7BFF;
  box-shadow: 0 0 0 3px rgba(47, 123, 255, .14);
}
.soft-article b, .soft-article strong { color: #1B2A44; font-weight: 700; }
.soft-article code {
  background: rgba(47, 123, 255, .09);
  border-color: rgba(47, 123, 255, .18);
  color: #1656D6;
  font-size: .86em;
  padding: 1px 6px;
  white-space: nowrap;
}
.soft-article img { border-radius: 12px; margin: 8px 0 18px; }

/* 底部引导区与正文同为白底，避免色块断层 */
.cta-band { background: #fff; }
.cta-box--flat {
  background: #F5F8FE;
  border-color: rgba(120, 150, 190, .14);
  box-shadow: none;
}
.cta-box--flat::before { display: none; }
.cta-box--flat h2 { font-size: clamp(22px, 2.4vw, 28px); letter-spacing: -.6px; }
.cta-box--flat p { color: #6B7A90; }

/* ---------- 软件页响应式 ---------- */
@media (max-width: 1080px) {
  .soft-layout { grid-template-columns: 1fr; }
  .soft-side { position: static; grid-template-columns: repeat(2, 1fr); }
  .side-help { grid-column: span 2; }
  .sd-top { grid-template-columns: 1fr; gap: 44px; }
  .sd-band-inner { gap: 48px; }
}
@media (max-width: 1080px) {
  .nav a { padding: 8px 9px; font-size: 14px; white-space: nowrap; }
  .header-actions .btn-ghost { display: none; }
}
@media (max-width: 860px) {
  .soft-hero { padding: 100px 0 36px; }
  .soft-grid { grid-template-columns: 1fr; }
  .soft-hero-inner { align-items: flex-start; }
  .soft-hero-points li { height: 34px; font-size: 12.5px; }
  .soft-article { padding: 0 4px; }
  .sd-sticky { display: none; }
  .sd-band { padding: 52px 0; }
  .sd-band-inner { grid-template-columns: 1fr; gap: 22px; }
  .sd-band:nth-child(even) .sd-band-fig { order: 0; }
  .sd-band-text { max-width: none; }
  .sd-band-text .k { margin-bottom: 14px; }
  .sd-band-text h2 { margin-bottom: 10px; }
  .sd-band-text p { font-size: 15px; }
  .sd-arrow { opacity: 1; width: 34px; height: 34px; }
  .sd-arrow.prev { left: 10px; }
  .sd-arrow.next { right: 10px; }
  .sd-body { padding: 56px 0 64px; }
}
@media (max-width: 720px) {
  .soft-card {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
    gap: 14px 16px;
    padding: 18px;
  }
  .soft-ico { width: 54px; height: 54px; border-radius: 15px; }
  .soft-ico img { width: 40px; height: 40px; }
  .soft-card-name { font-size: 15.5px; line-height: 1.45; }
  .soft-card-sub { font-size: 12.5px; margin-top: 3px; }
  .soft-card-meta { gap: 12px; margin-top: 9px; font-size: 11.5px; }
  .soft-card-meta span:nth-child(3) { display: none; }
  .soft-card-side {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding-top: 14px;
    border-top: 1px solid rgba(120, 150, 190, .14);
  }
  .soft-dl { height: 38px; padding: 0 18px; font-size: 13px; border-radius: 999px; }
}
@media (max-width: 560px) {
  .soft-side { grid-template-columns: 1fr; }
  .side-help { grid-column: auto; }
  .soft-detail { padding: 108px 0 56px; }
  .sd-head { display: block; }
  .sd-head-text h1 { font-size: 27px; letter-spacing: -.8px; }
  .sd-head-text p { font-size: 15px; }
  .sd-facts { gap: 24px; margin: 24px 0 12px; }
  .sd-facts b { font-size: 14.5px; }
  .sd-subline { gap: 14px; }
  .sd-subline span + span { padding-left: 0; }
  .sd-subline span + span::before { display: none; }
  .sd-actions .btn { flex: 1 1 auto; justify-content: center; }
  .soft-tile { padding: 20px; }
  .soft-tile h3 { font-size: 16px; }
}

/* 首页推荐软件：极简卡片 */
.home-soft-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.home-soft-more { display: flex; justify-content: center; margin-top: 30px; }
.home-soft-more .btn svg { width: 16px; height: 16px; }

.soft-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 13px;
  padding: 28px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, .92);
  background: linear-gradient(155deg, rgba(255, 255, 255, .70) 0%, rgba(255, 255, 255, .34) 100%);
  backdrop-filter: blur(28px) saturate(190%);
  -webkit-backdrop-filter: blur(28px) saturate(190%);
  box-shadow: 0 26px 52px -30px rgba(16, 40, 84, .32), inset 0 1px 0 #fff;
  transition: transform .3s cubic-bezier(.2, .7, .3, 1), box-shadow .3s ease, border-color .3s ease;
  overflow: hidden;
}
.soft-tile:hover {
  transform: translateY(-5px);
  border-color: #fff;
  box-shadow: 0 36px 66px -32px rgba(16, 40, 84, .44), inset 0 1px 0 #fff;
}
.soft-tile-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.soft-tile-ico {
  width: 54px; height: 54px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid rgba(120, 150, 190, .14);
  box-shadow: 0 12px 24px -16px rgba(20, 45, 92, .5);
  display: grid;
  place-items: center;
}
.soft-tile-ico img { width: 40px; height: 40px; object-fit: contain; }
.soft-tile-arrow {
  width: 32px; height: 32px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: #8FA0B8;
  background: rgba(120, 150, 190, .10);
  opacity: .85;
  transform: none;
  transition: opacity .3s ease, transform .3s ease, background .3s ease, color .3s ease;
}
.soft-tile-arrow svg { width: 16px; height: 16px; }
.soft-tile:hover .soft-tile-arrow {
  opacity: 1;
  color: #fff;
  background: linear-gradient(140deg, #3D86FF, #1656D6);
  transform: translate(2px, -2px);
}
.soft-tile h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -.3px;
  color: #0E1729;
}
.soft-tile h3 a { color: inherit; }
.soft-tile h3 a::after { content: ""; position: absolute; inset: 0; z-index: 2; }
.soft-tile:hover h3 { color: #1656D6; }
.soft-tile p {
  font-size: 13px;
  color: #7A8CA8;
  line-height: 1.7;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.soft-tile-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid rgba(120, 150, 190, .14);
  font-size: 12px;
  color: #7A8CA8;
}
.soft-tile-meta span { display: inline-flex; align-items: center; gap: 5px; }
.soft-tile-meta i { font-style: normal; }

/* 扩展字段值（JS 会移除空值项） */
.soft-card-meta i,
.sd-badge i,
.soft-license i,
.sd-meta i { font-style: normal; }
.sd-badge i { font-weight: 600; color: #1B2A44; }
.sd-meta li[data-meta] { display: inline-flex; }


/* ---------- 精简全站页脚 ---------- */
.site-footer.site-footer-simple {
  padding: 0;
  background: #F5F8FC;
  border-top: 1px solid #E5EBF3;
  color: #65758B;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.footer-simple-main {
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}
.footer-simple-main > .brand { flex: none; }
.footer-simple-note {
  margin: 0;
  color: #8694A7;
  font-size: 12px;
}
.footer-simple-links {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-left: auto;
}
.footer-simple-links a {
  color: #61738B;
  font-size: 12px;
  transition: color .18s ease;
}
.footer-simple-links a:hover { color: #1656D6; }
.footer-simple-bottom {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  border-top: 1px solid #E8EDF3;
  color: #98A4B4;
  font-size: 11px;
}
.footer-simple-bottom a { color: inherit; }
.footer-simple-bottom a:hover { color: #1656D6; }
@media (max-width: 720px) {
  .footer-simple-main { justify-content: center; gap: 11px 16px; padding: 18px 0; text-align: center; }
  .footer-simple-note { flex: 1 0 100%; }
  .footer-simple-links { justify-content: center; flex-wrap: wrap; gap: 10px 18px; margin-left: 0; }
  .footer-simple-bottom { justify-content: center; padding: 12px 0; text-align: center; }
}

/* 首页 Hero：参考迅捷 CAD 的浅蓝首屏、左文案/右主视觉及双 CTA 构图 */
.hero.hero-reference {
  padding: 158px 0 54px;
  color: #161f2d;
  background: linear-gradient(108deg, #e5edff 0%, #edf3ff 56%, #e5eeff 100%);
}
.hero.hero-reference::before,
.hero.hero-reference::after { display: none; }
.hero.hero-reference .hero-grid {
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 36px;
  padding: 0 16px;
}
.hero.hero-reference .hero-copy { min-width: 0; }
.hero.hero-reference h1 {
  max-width: 600px;
  margin: 0 0 22px;
  color: #161f2d;
  font-size: clamp(36px, 3.25vw, 44px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -.7px;
}
.hero.hero-reference .hero-sub {
  max-width: 500px;
  margin: 0 0 61px;
  color: #718094;
  font-size: 20px;
  line-height: 1.8;
}
.hero.hero-reference .hero-cta {
  gap: 32px;
  flex-wrap: nowrap;
}
.hero.hero-reference .hero-reference-btn {
  width: 210px;
  height: 60px;
  flex: 0 0 210px;
  padding: 0 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0;
  box-shadow: none;
  transform: none;
}
.hero.hero-reference .hero-reference-btn.btn-primary {
  color: #fff;
  background: #337ffd;
  border: 1px solid #337ffd;
  box-shadow: 0 7px 16px rgba(51, 127, 253, .17);
}
.hero.hero-reference .hero-reference-btn.btn-primary:hover {
  background: #286fe9;
  border-color: #286fe9;
  box-shadow: 0 9px 20px rgba(51, 127, 253, .23);
  transform: translateY(-1px);
}
.hero.hero-reference .hero-reference-btn.btn-ghost {
  color: #337ffd;
  background: transparent;
  border: 2px solid #337ffd;
  box-shadow: none;
}
.hero.hero-reference .hero-reference-btn.btn-ghost:hover {
  color: #216be2;
  background: rgba(255, 255, 255, .28);
  border-color: #216be2;
  box-shadow: none;
  transform: translateY(-1px);
}
.hero.hero-reference .hero-system {
  margin: 30px 0 0;
  color: #718094;
  font-size: 14px;
  line-height: 1.6;
}
.hero.hero-reference .hero-visual {
  width: 100%;
  max-width: 600px;
  justify-self: end;
}
.hero.hero-reference .hero-visual::before {
  inset: 4% 0;
  background: radial-gradient(closest-side, rgba(68, 133, 236, .12), rgba(124, 177, 255, .05) 62%, transparent 82%);
  filter: blur(24px);
}
.hero.hero-reference .hero-shot .hero-laptop {
  filter: drop-shadow(0 22px 38px rgba(31, 69, 130, .16));
}
@media (max-width: 1080px) {
  .hero.hero-reference { padding: 132px 0 58px; }
  .hero.hero-reference .hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero.hero-reference .hero-visual { max-width: 620px; justify-self: center; }
  .hero.hero-reference .hero-copy { max-width: 680px; }
}
@media (max-width: 560px) {
  .hero.hero-reference { padding: 104px 0 46px; }
  .hero.hero-reference .hero-grid { padding: 0; gap: 24px; }
  .hero.hero-reference h1 { font-size: 34px; line-height: 1.35; margin-bottom: 14px; }
  .hero.hero-reference .hero-sub { font-size: 15px; line-height: 1.75; margin-bottom: 24px; }
  .hero.hero-reference .hero-cta { gap: 12px; }
  .hero.hero-reference .hero-reference-btn { flex: 1 1 0; width: auto; min-width: 0; height: 54px; padding: 0 10px; font-size: 13px; }
  .hero.hero-reference .hero-system { margin-top: 15px; font-size: 12px; }
  .hero.hero-reference .hero-visual { max-width: 100%; }
}


/* ---------- 统一头部：登录/注册与工作台专属操作 ---------- */
.header-workbench { display: none; }
.header-auth {
  display: inline-flex;
  text-decoration: none;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 2px;
  color: #33415c;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: color .2s ease;
}
.header-auth:hover { color: #1656d6; }
.header-auth-icon {
  width: 34px;
  height: 34px;
  padding: 7px;
  box-sizing: border-box;
  border-radius: 50%;
  background: #eef4ff;
  color: #2f7bff;
  flex: none;
}
@media (max-width: 860px) {
  .header-auth { gap: 6px; font-size: 13px; }
  .header-auth-icon { width: 30px; height: 30px; padding: 6px; }
}

/* ---------- 登录 / 注册页 ---------- */
.auth-page {
  min-height: calc(100vh - 320px);
  padding: 128px 20px 72px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  background:
    radial-gradient(720px 420px at 88% 0%, rgba(113, 171, 255, .14), transparent 70%),
    linear-gradient(180deg, #f3f7fc 0%, #f8fafd 100%);
}
.auth-card {
  width: min(420px, 100%);
  padding: 34px 32px 28px;
  border: 1px solid rgba(218, 228, 239, .9);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 24px 56px -34px rgba(31, 64, 102, .3);
}
.auth-card h1 { margin: 0 0 6px; font-size: 24px; font-weight: 750; color: #1d3043; letter-spacing: -.4px; }
.auth-sub { margin: 0 0 22px; font-size: 13px; color: #7a8a9c; }
.auth-form { display: flex; flex-direction: column; gap: 14px; }
.auth-field { display: flex; flex-direction: column; gap: 6px; font-size: 12.5px; color: #5d6f83; }
.auth-field input {
  height: 44px;
  padding: 0 12px;
  border: 1px solid #dbe5ef;
  border-radius: 8px;
  font-size: 14px;
  color: #1d3043;
  background: #fbfdff;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.auth-field input:focus {
  outline: none;
  border-color: #7aa7ea;
  box-shadow: 0 0 0 3px rgba(47, 123, 255, .12);
  background: #fff;
}
.auth-msg { min-height: 18px; margin: 0; font-size: 12.5px; color: #d94848; }
.auth-msg:empty { display: none; }
.auth-submit { width: 100%; height: 46px; font-size: 15px; }
.auth-switch { margin: 18px 0 0; text-align: center; font-size: 13px; color: #7a8a9c; }
.auth-switch a { color: #2f7bff; font-weight: 600; }
.auth-switch a:hover { color: #1656d6; }
@media (max-width: 560px) {
  .auth-page { padding: 104px 16px 48px; }
  .auth-card { padding: 26px 20px 22px; border-radius: 13px; }
  .auth-card h1 { font-size: 21px; }
}

/* ---------- 新闻列表 / 详情 ---------- */
.news-page {
  padding: 120px 0 72px;
  background:
    radial-gradient(760px 460px at 88% 0%, rgba(113, 171, 255, .12), transparent 70%),
    linear-gradient(180deg, #f3f7fc 0%, #f8fafd 100%);
}
.news-head { max-width: 760px; margin: 0 0 28px; }
.news-head h1 { margin: 0 0 10px; font-size: clamp(26px, 3vw, 36px); font-weight: 750; color: #1d3043; letter-spacing: -.6px; }
.news-head p { margin: 0; font-size: 14px; line-height: 1.8; color: #71808f; }
.news-grid { display: grid; gap: 14px; }
.news-card {
  display: flex;
  gap: 20px;
  padding: 22px 24px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, .9);
  background: rgba(255, 255, 255, .66);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  box-shadow: 0 18px 40px -30px rgba(16, 40, 84, .3), inset 0 1px 0 #fff;
  transition: transform .26s cubic-bezier(.2, .7, .3, 1), box-shadow .26s ease, border-color .26s ease;
}
.news-card:hover {
  transform: translateY(-3px);
  border-color: #fff;
  box-shadow: 0 26px 52px -30px rgba(16, 40, 84, .4), inset 0 1px 0 #fff;
}
.news-date {
  flex: none;
  width: 72px;
  padding: 10px 0;
  border-radius: 12px;
  text-align: center;
  color: #1656d6;
  background: linear-gradient(160deg, rgba(47, 123, 255, .12), rgba(34, 211, 238, .10));
  border: 1px solid rgba(47, 123, 255, .12);
}
.news-date b { display: block; font-size: 20px; font-weight: 750; line-height: 1.1; }
.news-date span { display: block; margin-top: 3px; font-size: 11px; color: #7a8ca8; }
.news-body { min-width: 0; flex: 1; }
.news-body h2 { margin: 0 0 7px; font-size: 16.5px; font-weight: 700; line-height: 1.5; letter-spacing: -.2px; }
.news-body h2 a { color: #1d3043; }
.news-body h2 a:hover { color: #1656d6; }
.news-body p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: #71808f;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta { margin-top: 10px; font-size: 11.5px; color: #93a1b1; display: flex; gap: 14px; flex-wrap: wrap; }

/* 分页条 */
.pagination { margin-top: 30px; }
.pagination ul { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin: 0; padding: 0; list-style: none; }
.pagination li a, .pagination li span, .pagination a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 11px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, .9);
  background: rgba(255, 255, 255, .7);
  color: #4a5d73;
  font-size: 13px;
  backdrop-filter: blur(12px);
}
.pagination li a:hover, .pagination a:hover { color: #1656d6; border-color: #cfe0f7; background: #fff; }
.pagination li.active a, .pagination .active a, .pagination li.active span { color: #fff; background: #2f7bff; border-color: #2f7bff; }

/* 详情 */
.news-article {
  max-width: 820px;
  margin: 0 auto;
  padding: 38px 40px 34px;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, .92);
  background: rgba(255, 255, 255, .74);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  box-shadow: 0 26px 60px -40px rgba(16, 40, 84, .35), inset 0 1px 0 #fff;
}
.news-article h1 { margin: 0 0 12px; font-size: clamp(23px, 2.6vw, 31px); font-weight: 750; line-height: 1.4; color: #1d3043; letter-spacing: -.5px; }
.news-article .news-article-meta { margin: 0 0 24px; padding-bottom: 18px; border-bottom: 1px solid #edf1f6; font-size: 12.5px; color: #8b9aab; display: flex; gap: 16px; flex-wrap: wrap; }
.news-article .soft-article { max-width: none; margin: 0; font-size: 15.5px; line-height: 1.95; color: #43536e; }
.news-nav {
  max-width: 820px;
  margin: 18px auto 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.news-nav a, .news-nav span {
  display: block;
  padding: 14px 18px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, .9);
  background: rgba(255, 255, 255, .66);
  backdrop-filter: blur(18px);
  font-size: 13px;
  color: #4a5d73;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.news-nav a:hover { color: #1656d6; border-color: #cfe0f7; background: #fff; }
.news-nav .is-next { text-align: right; }
.news-back { max-width: 820px; margin: 20px auto 0; text-align: center; }
.news-back a { font-size: 13px; color: #2f7bff; }
.news-back a:hover { color: #1656d6; }

/* ---------- 在线留言 ---------- */
.msg-page {
  padding: 120px 0 76px;
  background:
    radial-gradient(760px 460px at 12% 0%, rgba(113, 171, 255, .12), transparent 70%),
    linear-gradient(180deg, #f3f7fc 0%, #f8fafd 100%);
}
.msg-layout { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr); gap: 20px; align-items: start; }
.msg-card {
  padding: 30px 30px 26px;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, .92);
  background: rgba(255, 255, 255, .7);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  box-shadow: 0 24px 56px -38px rgba(16, 40, 84, .32), inset 0 1px 0 #fff;
}
.msg-card h1 { margin: 0 0 6px; font-size: clamp(22px, 2.4vw, 28px); font-weight: 750; color: #1d3043; letter-spacing: -.4px; }
.msg-card .msg-sub { margin: 0 0 22px; font-size: 13px; color: #7a8a9c; }
.msg-form { display: grid; gap: 14px; }
.msg-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.msg-field { display: flex; flex-direction: column; gap: 6px; font-size: 12.5px; color: #5d6f83; }
.msg-field input, .msg-field textarea {
  padding: 11px 13px;
  border: 1px solid #dbe5ef;
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  color: #1d3043;
  background: #fbfdff;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.msg-field textarea { min-height: 132px; resize: vertical; line-height: 1.7; }
.msg-field input:focus, .msg-field textarea:focus {
  outline: none;
  border-color: #7aa7ea;
  box-shadow: 0 0 0 3px rgba(47, 123, 255, .12);
  background: #fff;
}
.msg-msg { min-height: 18px; margin: 0; font-size: 12.5px; color: #d94848; }
.msg-msg:empty { display: none; }
.msg-msg.is-ok { color: #1a8a4a; }
.msg-submit {
  height: 46px;
  border: 0;
  border-radius: 10px;
  background: #2f7bff;
  color: #fff;
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background .18s ease;
}
.msg-submit:hover { background: #1c66e6; }
.msg-submit:disabled { opacity: .65; cursor: default; }
.msg-aside { display: grid; gap: 14px; }
.msg-info {
  padding: 24px 24px 22px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, .9);
  background: rgba(255, 255, 255, .6);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  box-shadow: 0 20px 46px -34px rgba(16, 40, 84, .28), inset 0 1px 0 #fff;
}
.msg-info h2 { margin: 0 0 10px; font-size: 15px; font-weight: 700; color: #1d3043; }
.msg-info p { margin: 0 0 8px; font-size: 13px; line-height: 1.8; color: #6e7e8e; }
.msg-info ul { margin: 10px 0 0; padding: 0; list-style: none; display: grid; gap: 9px; }
.msg-info li { position: relative; padding-left: 18px; font-size: 13px; line-height: 1.7; color: #6e7e8e; }
.msg-info li::before {
  content: "";
  position: absolute; left: 2px; top: 9px;
  width: 6px; height: 6px; border-radius: 50%;
  background: #2f7bff;
  box-shadow: 0 0 0 3px rgba(47, 123, 255, .14);
}
@media (max-width: 900px) {
  .msg-layout { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .news-page, .msg-page { padding: 104px 0 48px; }
  .news-card { gap: 14px; padding: 18px; }
  .news-date { width: 60px; }
  .news-date b { font-size: 17px; }
  .news-article { padding: 24px 18px; border-radius: 16px; }
  .news-nav { grid-template-columns: 1fr; }
  .news-nav .is-next { text-align: left; }
  .msg-card { padding: 22px 18px; border-radius: 16px; }
  .msg-row { grid-template-columns: 1fr; }
}

/* ---------- 新闻列表（简洁大气版）：分类侧栏 + 分隔线列表 ---------- */
.news-hero { padding: 8px 0 30px; text-align: center; }
.news-hero h1 { margin: 0 0 8px; font-size: clamp(28px, 3.4vw, 40px); font-weight: 750; color: #1d3043; letter-spacing: -1px; }
.news-hero p { margin: 0 0 22px; font-size: 13.5px; color: #7d8b9b; }
.news-search {
  display: flex;
  align-items: center;
  gap: 0;
  width: min(520px, 100%);
  margin: 0 auto;
  padding: 5px 5px 5px 20px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .95);
  background: rgba(255, 255, 255, .78);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 16px 40px -30px rgba(16, 40, 84, .38), inset 0 1px 0 #fff;
}
.news-search input {
  flex: 1;
  min-width: 0;
  height: 40px;
  border: 0;
  background: transparent;
  font-size: 14px;
  color: #1d3043;
}
.news-search input:focus { outline: none; }
.news-search input::placeholder { color: #a4b1c0; }
.news-search button {
  flex: none;
  height: 40px;
  padding: 0 22px;
  border: 0;
  border-radius: 999px;
  background: #2f7bff;
  color: #fff;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background .18s ease;
}
.news-search button:hover { background: #1c66e6; }

.news-shell {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 0;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, .95);
  background: rgba(255, 255, 255, .72);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  box-shadow: 0 26px 60px -42px rgba(16, 40, 84, .36), inset 0 1px 0 #fff;
  overflow: hidden;
}
.news-side { padding: 28px 18px 28px 24px; border-right: 1px solid rgba(226, 235, 244, .8); }
.news-side-title { margin: 0 0 14px; font-size: 12px; font-weight: 600; color: #9aa8b8; letter-spacing: .4px; }
.news-side nav { display: grid; gap: 2px; }
.news-side nav a {
  display: block;
  padding: 10px 12px;
  border-radius: 9px;
  font-size: 13.5px;
  color: #5d6f83;
  transition: color .16s ease, background .16s ease;
}
.news-side nav a:hover { color: #1656d6; background: rgba(47, 123, 255, .06); }
.news-side nav a.is-on { color: #1656d6; font-weight: 650; background: rgba(47, 123, 255, .09); }
.news-main { padding: 6px 34px 30px; min-width: 0; }
.news-item {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  padding: 26px 0;
  border-bottom: 1px solid rgba(226, 235, 244, .85);
}
.news-item:last-of-type { border-bottom: 0; }
.news-item-body { flex: 1; min-width: 0; }
.news-item-body h2 { margin: 0 0 10px; font-size: 18.5px; font-weight: 700; line-height: 1.55; letter-spacing: -.3px; }
.news-item-body h2 a { color: #1d3043; transition: color .16s ease; }
.news-item-body h2 a:hover { color: #1656d6; }
.news-item-body p {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.85;
  color: #7d8b9b;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-item-body time { font-size: 12px; color: #a4b1c0; }
.news-item-thumb {
  flex: none;
  width: 176px;
  height: 110px;
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(140deg, rgba(47, 123, 255, .1), rgba(34, 211, 238, .12));
  border: 1px solid rgba(255, 255, 255, .9);
}
.news-item-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.news-main .pagination { padding-bottom: 6px; }

/* ---------- 新闻详情（两栏 + 侧栏） ---------- */
.news-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 20px;
  align-items: start;
}
.news-detail-layout .news-article { max-width: none; margin: 0; }
.news-detail-layout .news-article h1 { text-align: center; }
.news-detail-layout .news-article-meta { justify-content: center; }
.news-detail-side { display: grid; gap: 14px; position: sticky; top: 88px; }
.news-side-card {
  padding: 20px 20px 18px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, .95);
  background: rgba(255, 255, 255, .7);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  box-shadow: 0 20px 46px -36px rgba(16, 40, 84, .3), inset 0 1px 0 #fff;
}
.news-side-card h2 { margin: 0 0 12px; font-size: 14.5px; font-weight: 700; color: #1d3043; }
.news-side-card .side-list { display: grid; gap: 10px; }
.news-side-card .side-list a {
  display: flex;
  gap: 9px;
  font-size: 13px;
  line-height: 1.6;
  color: #5d6f83;
  transition: color .16s ease;
}
.news-side-card .side-list a:hover { color: #1656d6; }
.news-side-card .side-list i {
  flex: none;
  width: 17px; height: 17px;
  margin-top: 2px;
  border-radius: 5px;
  background: rgba(47, 123, 255, .1);
  color: #2f7bff;
  font-size: 10.5px;
  font-style: normal;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.news-side-card .side-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.news-side-card .side-tags a {
  padding: 7px 12px;
  border-radius: 8px;
  border: 1px solid rgba(219, 229, 239, .9);
  background: rgba(255, 255, 255, .7);
  font-size: 12.5px;
  color: #5d6f83;
  transition: all .16s ease;
}
.news-side-card .side-tags a:hover { color: #1656d6; border-color: #cfe0f7; background: #fff; }

/* 留言页左右比例：左侧 2/3 */
.msg-layout { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }

@media (max-width: 1024px) {
  .news-shell { grid-template-columns: 1fr; }
  .news-side { border-right: 0; border-bottom: 1px solid rgba(226, 235, 244, .8); padding: 20px; }
  .news-side nav { display: flex; flex-wrap: wrap; gap: 6px; }
  .news-side nav a { padding: 8px 12px; background: rgba(47, 123, 255, .05); }
  .news-main { padding: 4px 22px 24px; }
  .news-detail-layout { grid-template-columns: 1fr; }
  .news-detail-side { position: static; }
}
@media (max-width: 640px) {
  .news-hero { padding-bottom: 22px; }
  .news-item { gap: 14px; padding: 20px 0; }
  .news-item-thumb { width: 108px; height: 76px; border-radius: 10px; }
  .news-item-body h2 { font-size: 16px; }
  .news-item-body p { -webkit-line-clamp: 2; font-size: 12.5px; }
  .news-search { padding-left: 16px; }
  .news-search button { padding: 0 16px; }
}

/* 搜索结果页：单栏容器 */
.news-shell-single { grid-template-columns: minmax(0, 1fr); }

.news-side-card .side-list { counter-reset: side; }
.news-side-card .side-list a { counter-increment: side; }
.news-side-card .side-list i::before { content: counter(side); }

/* ---------- 跨页面头部稳定：滚动条槽位 + 视图过渡 ---------- */
html { scrollbar-gutter: stable; }
@supports not (scrollbar-gutter: stable) {
  html { overflow-y: scroll; }
}
/* 同源整页跳转时让头部保持视觉连续，内容淡入，头部不重绘闪烁 */
@view-transition { navigation: auto; }
.site-header { view-transition-name: site-header; }
::view-transition-old(site-header),
::view-transition-new(site-header) {
  animation-duration: .18s;
  animation-timing-function: ease;
}

/* 滚动条宽度与工作台统一为 9px，保证 scrollbar-gutter 预留一致，头部位置不偏移 */
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(150, 170, 195, .45);
  border: 2px solid transparent;
  background-clip: padding-box;
  border-radius: 9px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(130, 150, 180, .68);
  background-clip: padding-box;
}