/*
 * pcl2-tools global.css — Arco Design 视觉系统
 * ---------------------------------------------------------------
 * 设计系统：Arco Design（字节跳动）
 * 品牌主色：暗夜紫 #722ED1（Arco purple-6；Arco 允许自定义品牌色）
 * 中性色 / 语义色 / 圆角 / 阴影 / 动效：全部取自 Arco Design Token
 * 参照 cf-design 技能，品质目标 Apple / Linear 级。
 *
 * Token 依据：cf-design/design-systems/arco-design/tokens/design-tokens.md
 *   品牌紫  purple-1/2/5/6/7/8/9 = #F5E8FF/#DDBEF6/#8D4EDA/#722ED1/#551DB0/#3C108F/#27066E
 *   中性灰  --gray-1/2/3/4/6/8/10 = #F7F8FA/#F2F3F5/#E5E6EB/#C9CDD4/#86909C/#4E5969/#1D2129
 *   语义色  success #00B42A · warning #FF7D00 · danger #F53F3F
 *   圆角    small 2px · medium 4px · large 8px · circle 50%
 *   阴影    0 0 1px / 0 0 10px / 0 0 20px（rgba(0,0,0,.1~.3)）
 *   动效    位移 cubic-bezier(.34,.69,.1,1) 200ms · 颜色 150ms
 *   字号    display-1 36 · title-3 24 · title-2 20 · title-1 16 · body-3 14 · body-1 12
 *
 * 层次模型（色彩纵深）：
 *   深色锚点  --ink-*      首屏 hero / 页脚 / CTA 区，与品牌紫同源的近黑紫
 *   画布      --canvas     页面底，带紫相的中性色 + 径向淡紫晕
 *   表面      --surface    卡片纯白
 *   交替面    --surface-alt 色带 / 卡片微渐变末端 / 表头
 */
:root {
  /* ── 品牌色：暗夜紫（按 Arco purple 阶梯） ── */
  --primary:        #722ED1;   /* purple-6 常规 */
  --primary-hover:  #8D4EDA;   /* purple-5 悬浮（亮化） */
  --primary-active: #551DB0;   /* purple-7 点击（加深） */
  --primary-dk:     #3C108F;   /* purple-8 渐变深端 / 深底描边 */
  --primary-lt:     #F5E8FF;   /* purple-1 浅紫底 */
  --primary-line:   #DDBEF6;   /* purple-2 淡紫描边 */
  --primary-lite2:  #C396ED;   /* purple-3 深底上的浅紫（链接/高光） */
  --primary-evidence: #150333; /* 近黑紫：深色证据区底 */

  /* ── 深色锚点（hero / 页脚 / CTA，与品牌紫同源） ── */
  --ink-900: #12032E;
  --ink-800: #1C0549;
  --ink-700: #2A0A66;
  --ink-line: rgba(141, 78, 218, .30);

  /* ── 表面层级 ── */
  --canvas:      #F4F2FA;
  --surface:     #fff;
  --surface-alt: #F7F1FE;   /* 卡片微渐变末端 / 表头 */
  --band:        #F2EAFD;   /* 交替色带（FAQ 区），比卡片末端更明显 */

  /* ── 深底文字（.footer 引用，改主题只动这里） ── */
  --footer-fg:   rgba(255, 255, 255, .55);

  /* ── Arco 中性色 ── */
  --gray-1:  #F7F8FA;
  --gray-2:  #F2F3F5;
  --gray-3:  #E5E6EB;
  --gray-4:  #C9CDD4;
  --gray-6:  #86909C;
  --gray-8:  #4E5969;
  --gray-10: #1D2129;

  /* ── Arco 语义色 ── */
  --success: #00B42A;
  --warning: #FF7D00;
  --danger:  #F53F3F;
  --success-on-dark: #4BD963;  /* 深底上提亮的成功绿，保证对比度 */

  /* ── 圆角（Arco 2/4/8/50%） ── */
  --radius-sm:     2px;
  --radius-md:     4px;
  --radius-lg:     8px;
  --radius-circle: 50%;

  /* ── 阴影（Arco 三级柔和阴影 + 品牌紫光晕） ── */
  --shadow-sm: 0 0 1px rgba(0, 0, 0, .3);
  --shadow-md: 0 0 10px rgba(0, 0, 0, .1);
  --shadow-lg: 0 0 20px rgba(0, 0, 0, .1);
  --glow-sm:   0 4px 12px rgba(114, 46, 209, .22);
  --glow-md:   0 8px 22px rgba(114, 46, 209, .30);
  --card-shadow: 0 1px 2px rgba(18, 3, 46, .04);
  --card-shadow-hover: 0 8px 26px rgba(114, 46, 209, .15);
  --focus-ring: 3px solid rgba(114, 46, 209, .42);

  /* ── 动效（Arco 缓动） ── */
  --ease-out:  cubic-bezier(.34, .69, .1, 1);  /* 标准展开/收起 */
  --ease-base: cubic-bezier(0, 0, 1, 1);       /* 基础过渡 */
}

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

body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "PingFang SC",
               "Hiragino Sans GB", "Noto Sans", "Microsoft YaHei",
               "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px; line-height: 1.7;
  color: var(--gray-8);
  background-color: var(--canvas);
  /* 淡紫径向晕：垂直位置避开首屏（那里被深色 hero 盖住）与页脚，落在正文区 */
  background-image:
    radial-gradient(1300px 620px at 4% 30%,  rgba(114, 46, 209, .11), rgba(114, 46, 209, 0) 68%),
    radial-gradient(1100px 560px at 99% 56%, rgba(114, 46, 209, .09), rgba(114, 46, 209, 0) 66%),
    radial-gradient(1000px 600px at 42% 82%, rgba(114, 46, 209, .07), rgba(114, 46, 209, 0) 70%);
  background-repeat: no-repeat;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

.breadcrumb { padding: 12px 20px; font-size: 13px; color: var(--gray-6); }
.breadcrumb a { color: var(--gray-6); transition: color .15s var(--ease-base); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { margin: 0 6px; color: var(--gray-4); }

.breadcrumb + .section { padding-top: 0; }
/* hero 已改为深色色块，面包屑紧邻时不再完全去掉上内边距，避免 H1 贴住深底上缘 */
.breadcrumb + .hero-v2 { padding-top: 40px; }

/* ══════════════════════════════════════════════════════════════════
   Hero v2 —— 深色首屏
   深紫渐变底 + 双主色光晕 + 细网格纹理；文案居中（纯文字页）
   ══════════════════════════════════════════════════════════════════ */
.hero-v2 {
  position: relative; isolation: isolate; overflow: hidden;
  padding: 64px 0 56px; text-align: center; color: #fff;
  background:
    radial-gradient(880px 420px at 14% -14%, rgba(141, 78, 218, .62), rgba(141, 78, 218, 0) 64%),
    radial-gradient(760px 400px at 90% 2%,   rgba(114, 46, 209, .48), rgba(114, 46, 209, 0) 62%),
    linear-gradient(158deg, var(--ink-700) 0%, var(--ink-800) 50%, var(--ink-900) 100%);
}
/* 细网格纹理：给深底一层纵深，不抢内容 */
.hero-v2::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(96% 78% at 50% 0%, #000 22%, transparent 80%);
          mask-image: radial-gradient(96% 78% at 50% 0%, #000 22%, transparent 80%);
}
/* 底缘主色光带：与下方浅色正文区咬合 */
.hero-v2::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary-hover) 20%, var(--primary-hover) 80%, transparent);
  opacity: .85;
}
.hero-v2 > .container { position: relative; z-index: 1; }
.hero-v2 .container { max-width: 980px; margin: 0 auto; }
.hero-v2 h1 { margin: 0 0 12px; font-size: 34px; line-height: 1.3; font-weight: 600; color: #fff; letter-spacing: -.2px; }
.hero-v2 .hero-sub { margin: 0 auto 16px; max-width: 720px; font-size: 16px; line-height: 1.7; color: rgba(255, 255, 255, .76); }
.hero-v2 .hero-cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin: 20px 0 14px; }
.hero-v2 .hero-trust { display: flex; gap: 24px; justify-content: center; flex-wrap: wrap; margin: 16px 0 0; }
/* hero 内文章署名（H1 下方、简介之前） */
.hero-v2 .meta-date { font-size: 12px; color: rgba(255, 255, 255, .55); margin: 0 0 14px; }
/* hero 内低权重元信息行 */
.hero-v2 .hero-meta { margin: 18px 0 0; font-size: 13px; line-height: 1.9; color: rgba(255, 255, 255, .62); }
.hero-v2 .hero-meta a { color: var(--primary-lite2); text-decoration: none; }
.hero-v2 .hero-meta a:hover { text-decoration: underline; }

/* PCL2 客户端实图：用于下载与版本决策，不承载下载点击。 */
.pcl-screenshot-hero { padding: 64px 0 60px; text-align: left; }
/* hero 全宽后（hero 直接后接含 content-layout 的 section），消除与正文之间的重复间距 */
.pcl-screenshot-hero + .section:has(> .content-layout) { padding-top: 0; }
.pcl-screenshot-hero + .section:has(> .content-layout) .content-layout { padding-top: 0; }
.pcl-screenshot-hero .container { display: grid; grid-template-columns: minmax(0, 1fr) minmax(420px, 0.95fr); gap: 44px; align-items: center; max-width: 1160px; }
.pcl-screenshot-hero .hero-sub { margin: 0 0 22px; max-width: 500px; }
.pcl-screenshot-hero .hero-cta-row,
.pcl-screenshot-hero .hero-trust { justify-content: flex-start; }
.pcl-screenshot-hero .hero-trust { gap: 10px 18px; }

/* 截图右侧浮起 + 主色光晕 */
.pcl-hero-visual { position: relative; margin: 0; min-width: 0; }
.pcl-hero-visual img {
  display: block; width: 100%; max-width: 640px; height: auto;
  background: #fff; border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, .18);
  box-shadow:
    0 28px 64px rgba(0, 0, 0, .55),
    0 0 0 1px rgba(141, 78, 218, .32),
    0 0 90px rgba(141, 78, 218, .42);
}
/* 说明文字改为压住截图左下的悬浮卡片 */
.pcl-hero-visual figcaption {
  position: absolute; left: -18px; bottom: -18px; z-index: 2;
  display: inline-flex; align-items: center; gap: 8px;
  margin: 0; padding: 10px 16px 10px 14px;
  background: rgba(255, 255, 255, .97);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, .7);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius-md);
  box-shadow: 0 14px 34px rgba(0, 0, 0, .38), 0 0 0 1px rgba(114, 46, 209, .10);
  color: var(--gray-10); font-size: 12px; font-weight: 600; line-height: 1.4;
  text-align: left; white-space: nowrap;
}

/* 安装证据（深底） */
.pcl-install-evidence,
.pcl-edition-evidence { margin: 28px auto 34px; max-width: 760px; }
.pcl-install-evidence { padding: 24px; border: 1px solid var(--primary-dk); border-radius: var(--radius-lg); background: var(--primary-evidence); box-shadow: 0 0 60px rgba(114, 46, 209, .20); }
.pcl-install-evidence img { display: block; width: auto; max-width: 100%; margin: 0 auto; background: var(--primary-evidence); }
.pcl-install-evidence figcaption { margin-top: 14px; color: var(--primary-lite2); font-size: 13px; line-height: 1.6; text-align: center; }
/* 版本对比证据（白卡片） */
.pcl-edition-evidence { overflow: hidden; border: 1px solid var(--gray-3); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow-md); }
.pcl-edition-evidence img { display: block; width: 100%; height: auto; background: var(--gray-10); }
.pcl-edition-evidence figcaption { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; padding: 12px 15px; color: var(--gray-8); font-size: 13px; line-height: 1.55; }
.pcl-edition-evidence b { color: var(--primary-dk); font-size: 13px; }
.pcl-edition-evidence small { color: var(--gray-8); font-size: 12px; }
.pcl-version-comparison-hero .container { grid-template-columns: minmax(0, 1fr); }
.pcl-version-comparison-hero .pcl-edition-evidence { max-width: none; margin: 4px 0 0; }
/* 版本页 hero 内的对比卡同样浮起在深底上 */
.hero-v2 .pcl-edition-evidence {
  border-color: rgba(255, 255, 255, .18);
  box-shadow:
    0 28px 64px rgba(0, 0, 0, .55),
    0 0 0 1px rgba(141, 78, 218, .32),
    0 0 90px rgba(141, 78, 218, .42);
}

/* ══════════════════════════════════════════════════════════════════
   文章页 hero —— 嵌套形态（12/17 页）
   这些页把 hero 放在 <div class="content-layout"><div class="main-content"> 的主栏里，
   因此它是版面内的一张深色首屏卡片，而不是通栏色块。两处必须单独处理：
     1) 圆角 + 内边距按卡片收敛，否则深底会与右侧栏硬边相接；
     2) H1 规则权重 —— .main-content h1 在文件中比 .hero-v2 h1 更靠后且同权重，
        不提升权重的话标题会在深底上渲染成深色（几乎不可见）。
   ══════════════════════════════════════════════════════════════════ */
.content-layout .main-content .hero-v2 {
  border-radius: var(--radius-lg);
  padding: 34px 32px 30px;
  margin-bottom: 8px;
  box-shadow: 0 18px 44px rgba(18, 3, 46, .26);
}
.content-layout .main-content .hero-v2 h1 { font-size: 28px; color: #fff; }
.content-layout .main-content .hero-v2 .hero-sub { max-width: 640px; }

.module-icon { display: inline-block; width: 64px; height: 64px; color: var(--primary); }
.module-icon svg { width: 100%; height: 100%; }

/* ── 按钮 ── */
.cta-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; background: var(--primary); color: #fff;
  font-size: 17px; font-weight: 600; border-radius: var(--radius-md); text-decoration: none;
  box-shadow: var(--glow-sm);
  transition: background .15s var(--ease-base), transform .2s var(--ease-out), box-shadow .2s var(--ease-out);
  min-height: 48px; box-sizing: border-box; white-space: nowrap;
  position: relative;
}
.cta-primary svg { width: 20px; height: 20px; flex-shrink: 0; }
.cta-primary:hover {
  background: var(--primary-hover); color: #fff; transform: translateY(-2px);
  box-shadow: var(--glow-md); text-decoration: none;
}
.cta-primary:active { background: var(--primary-active); transform: translateY(0) scale(.98); }
.cta-primary:focus-visible { outline: var(--focus-ring); outline-offset: 2px; }
.cta-primary.is-disabled, .cta-primary[disabled], .cta-primary:disabled {
  background: var(--gray-3); color: var(--gray-6); cursor: not-allowed;
  box-shadow: none; transform: none; animation: none; pointer-events: none;
}
.cta-primary.is-loading { pointer-events: none; opacity: .75; }
.cta-primary.is-loading svg { animation: cta-spin .8s linear infinite; }
@keyframes cta-spin { to { transform: rotate(360deg); } }
/* 主按钮呼吸光晕：引导视线（深底上含内高光，避免被动画覆盖） */
@keyframes cta-pulse {
  0%, 100% { box-shadow: 0 10px 30px rgba(141, 78, 218, .42), inset 0 1px 0 rgba(255, 255, 255, .28); }
  50%      { box-shadow: 0 10px 44px rgba(141, 78, 218, .72), inset 0 1px 0 rgba(255, 255, 255, .28); }
}
/* 深底 hero：主色提亮成渐变，保证在近黑紫上依旧跳出来 */
.hero-v2 .cta-primary {
  background: linear-gradient(135deg, #A871E3 0%, var(--primary) 100%);
  animation: cta-pulse 2.6s var(--ease-out) infinite;
}
.hero-v2 .cta-primary:hover {
  background: linear-gradient(135deg, #C396ED 0%, var(--primary-hover) 100%);
  box-shadow: 0 14px 40px rgba(141, 78, 218, .66); transform: translateY(-2px);
}
.hero-v2 .cta-primary:active { background: var(--primary-active); transform: translateY(0) scale(.98); }

.cta-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; background: #fff; color: var(--primary);
  font-size: 16px; font-weight: 500; border: 1.5px solid var(--gray-4);
  border-radius: var(--radius-md); text-decoration: none;
  transition: border-color .15s var(--ease-base), color .15s var(--ease-base), background .15s var(--ease-base);
  min-height: 48px; box-sizing: border-box; white-space: nowrap;
}
.cta-secondary svg { width: 18px; height: 18px; flex-shrink: 0; }
.cta-secondary:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-lt); text-decoration: none; }
.cta-secondary:focus-visible { outline: var(--focus-ring); outline-offset: 2px; }
/* 深底 hero：次级按钮改磨砂玻璃描边 */
.hero-v2 .cta-secondary {
  background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .30); color: #fff;
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.hero-v2 .cta-secondary:hover { background: #fff; border-color: #fff; color: var(--primary-active); }
.hero-v2 .cta-secondary:focus-visible { outline: 3px solid rgba(255, 255, 255, .5); outline-offset: 2px; }

/* 信任标签 */
.trust-badge { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--gray-8); }
.trust-badge svg { width: 16px; height: 16px; flex-shrink: 0; color: var(--success); }
.hero-v2 .trust-badge { color: rgba(255, 255, 255, .82); }
.hero-v2 .trust-badge svg { color: var(--success-on-dark); }

/* ── 内容布局 ── */
.section { padding: 60px 0; }
.content-layout { display: grid; grid-template-columns: 1fr 280px; gap: 40px; padding: 40px 20px; align-items: start; }
.main-content { min-width: 0; }
.main-content h1 { font-size: 32px; font-weight: 600; color: var(--gray-10); margin-bottom: 16px; line-height: 1.3; letter-spacing: -.2px; }
/* 主色标题装饰条：给长的浅底正文一个品牌节奏点 */
.main-content h2 { position: relative; font-size: 22px; font-weight: 600; color: var(--gray-10); margin: 36px 0 14px; padding-bottom: 8px; border-bottom: 2px solid var(--gray-2); }
.main-content h2::after { content: ''; position: absolute; left: 0; bottom: -2px; width: 52px; height: 2px; border-radius: 2px; background: var(--primary); }
.main-content h3 { font-size: 17px; font-weight: 600; margin: 24px 0 10px; color: var(--gray-10); }
.main-content p  { margin-bottom: 14px; }
.main-content ul, .main-content ol { padding-left: 20px; margin-bottom: 14px; }
.main-content li { margin-bottom: 6px; }
.lead { font-size: 17px; color: var(--gray-8); margin-bottom: 28px !important; }

/* ── 侧栏 ── */
.sidebar { position: sticky; top: 44px; }
.sidebar-card { background: linear-gradient(180deg, var(--surface) 0%, var(--surface-alt) 100%); border: 1px solid var(--gray-3); border-radius: var(--radius-lg); padding: 20px; margin-bottom: 20px; box-shadow: var(--card-shadow); }
.sidebar-card h3 { position: relative; padding-left: 11px; font-size: 14px; font-weight: 600; color: var(--gray-10); margin-bottom: 12px; }
.sidebar-card h3::before { content: ''; position: absolute; left: 0; top: 2px; bottom: 2px; width: 3px; border-radius: 2px; background: var(--primary); }
.sidebar-card ul { list-style: none; padding: 0; }
.sidebar-card li { margin-bottom: 8px; }
.sidebar-card a { font-size: 14px; color: var(--gray-8); transition: color .15s var(--ease-base); }
.sidebar-card a:hover { color: var(--primary); }
/* ── 侧栏导航轨 ──
   16 页的侧栏都是「同类兄弟页面 + 快速下载」这一套链接（共 9 个变体、99 条内链），
   内容本身没问题；问题是它对每一页长得一模一样，读不出「你在这里」。
   这里把首卡的兄弟列表画成一条竖轨并高亮当前页节点，让侧栏真正随页面变化。 */
.sidebar-card:first-child ul { position: relative; padding-left: 14px; }
.sidebar-card:first-child ul::before { content: ''; position: absolute; left: 3px; top: 7px; bottom: 7px; width: 2px; border-radius: 2px; background: var(--gray-3); }
.sidebar-card:first-child li { position: relative; }
.sidebar-card:first-child a { display: block; position: relative; }
.sidebar-card:first-child a::before { content: ''; position: absolute; left: -14px; top: .55em; width: 8px; height: 8px; box-sizing: border-box; border-radius: var(--radius-circle); background: var(--surface); border: 2px solid var(--gray-4); transition: background .15s var(--ease-base), border-color .15s var(--ease-base); }
.sidebar-card:first-child a:hover::before { border-color: var(--primary-line); }
.sidebar-card:first-child a[aria-current="page"] { color: var(--primary-dk); font-weight: 600; }
.sidebar-card:first-child a[aria-current="page"]::before { background: var(--primary); border-color: var(--primary); box-shadow: 0 0 0 3px rgba(114, 46, 209, .18); }

/* ── 实体卡片 ── */
.entity-card { background: linear-gradient(180deg, var(--surface) 0%, var(--surface-alt) 100%); border: 1px solid var(--gray-3); border-radius: var(--radius-lg); padding: 24px 28px; margin: 32px 0; box-shadow: var(--card-shadow); }
.ec-title { font-size: 18px; font-weight: 600; color: var(--gray-10); margin-bottom: 16px; }
.ec-row { display: flex; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--gray-2); }
.ec-row:last-child { border-bottom: none; }
.ec-label { font-size: 13px; color: var(--gray-8); width: 120px; flex-shrink: 0; }
.ec-value { font-size: 14px; font-weight: 600; color: var(--gray-10); }

/* ── Hub 卡片网格（Bento：首卡通栏 + 其余自适应，末行自动铺满不留空洞） ──
   grid 的 auto-fit 会折叠「未使用」轨道，但不会填满换行后的末行，
   奇数张卡会留下一个空洞；flex-wrap + flex-grow 则会让末行拉伸铺满。 */
.hub-grid-v2 { display: flex; flex-wrap: wrap; gap: 20px; margin: 24px 0 40px; }
.hub-card-v2 { position: relative; overflow: hidden; flex: 1 1 300px; container-type: inline-size; background: linear-gradient(180deg, var(--surface) 0%, var(--surface-alt) 100%); border: 1px solid var(--gray-3); border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--card-shadow); transition: border-color .15s var(--ease-base), box-shadow .2s var(--ease-out), transform .2s var(--ease-out); }
/* hover 时顶部主色高光条横向展开 */
.hub-card-v2::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--primary-lite2), var(--primary), var(--primary-dk)); transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease-out); }
.hub-card-v2:hover { border-color: var(--primary-line); box-shadow: var(--card-shadow-hover); transform: translateY(-3px); }
.hub-card-v2:hover::before { transform: scaleX(1); }
/* 首卡：通栏特色卡 —— 打破等宽网格的第一层不对称 */
.hub-grid-v2 > .hub-card-v2:first-child { flex: 1 1 100%; padding: 28px 30px 26px; border-color: var(--primary-line); background: linear-gradient(120deg, var(--primary-lt) 0%, var(--surface) 62%); box-shadow: 0 10px 30px rgba(114, 46, 209, .10); }
.hub-grid-v2 > .hub-card-v2:first-child::before { transform: scaleX(1); }
.hub-grid-v2 > .hub-card-v2:first-child h3 { font-size: 21px; }
.hub-grid-v2 > .hub-card-v2:first-child p { font-size: 15px; max-width: 660px; }
.hub-grid-v2 > .hub-card-v2:first-child .hub-card-icon { width: 52px; height: 52px; }
.hub-grid-v2 > .hub-card-v2:first-child .hub-card-icon svg { width: 26px; height: 26px; }
.hub-card-icon { width: 44px; height: 44px; background: linear-gradient(135deg, var(--primary-lt) 0%, #EFE0FF 100%); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; color: var(--primary); }
.hub-card-icon svg { width: 22px; height: 22px; }
/* .module-icon 基准为 64px（供大图标区块用），在 44px 的 hub 图标格内会溢出，
   导致图形贴左上角；此处收进格子并居中 */
.hub-card-icon .module-icon { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; }
.hub-card-v2 h3 { margin: 0 0 8px; font-size: 17px; color: var(--gray-10); }
.hub-card-v2 h3 a { color: var(--gray-10); transition: color .15s var(--ease-base); }
.hub-card-v2 h3 a:hover { color: var(--primary); text-decoration: none; }
.hub-card-v2 p { margin: 0 0 12px; font-size: 14px; color: var(--gray-8); line-height: 1.6; }
.hub-card-arrow { font-size: 13px; color: var(--primary); font-weight: 500; }
/* 卡片被拉宽时（首卡通栏卡、或末行铺满卡）：图标左浮、文字统一走 74px 装订线。
   单纯 float 会让「文字绕开浮层」与「浮层已结束的行」左缘参差，这里给文字固定
   margin-left 消掉那圈锯齿。
   ⚠ 必须排在上面 h3/p 的 margin 简写之后：同为 (0,1,1) 权重，后者会重置 margin-left。 */
@container (min-width: 560px) {
  .hub-card-icon { float: left; width: 52px; height: 52px; margin: 4px 22px 0 0; }
  .hub-card-icon svg { width: 26px; height: 26px; }
  .hub-card-v2 h3, .hub-card-v2 p, .hub-card-v2 .hub-card-arrow { margin-left: 74px; }
  .hub-card-v2 h3 { margin-top: 3px; }
  .hub-card-v2 p { max-width: 580px; }
}

.hub-grid-title { position: relative; padding-left: 14px; font-size: 24px; font-weight: 600; color: var(--gray-10); margin-bottom: 8px; letter-spacing: -.2px; }
.hub-grid-title::before { content: ''; position: absolute; left: 0; top: .2em; bottom: .2em; width: 4px; border-radius: 2px; background: linear-gradient(180deg, var(--primary-hover), var(--primary-dk)); }
.hub-grid-intro { font-size: 15px; color: var(--gray-8); margin-bottom: 24px; }

/* ── FAQ v2 ── */
.faq-section-title { font-size: 22px; font-weight: 600; color: var(--gray-10); margin-bottom: 24px; text-align: center; }
.faq-section-title::after { content: ''; display: block; width: 48px; height: 3px; margin: 12px auto 0; border-radius: 2px; background: linear-gradient(90deg, var(--primary-hover), var(--primary-dk)); }
.faq-list-v2 { max-width: 800px; margin: 0 auto; }
.faq-item-v2 { background: linear-gradient(180deg, var(--surface) 0%, #FDFBFF 100%); border: 1px solid var(--gray-3); border-radius: var(--radius-lg); padding: 20px 24px; margin-bottom: 12px; box-shadow: var(--card-shadow); transition: border-color .15s var(--ease-base), box-shadow .2s var(--ease-out); }
.faq-item-v2:last-child { margin-bottom: 0; }
.faq-item-v2:hover { border-color: var(--primary-line); box-shadow: 0 8px 24px rgba(114, 46, 209, .12); }
.faq-q { display: flex; align-items: flex-start; gap: 8px; font-size: 16px; font-weight: 600; color: var(--gray-10); margin: 0 0 10px; line-height: 1.5; }
.faq-q-icon { display: inline-flex; width: 22px; height: 22px; background: linear-gradient(135deg, var(--primary-hover) 0%, var(--primary) 100%); color: #fff; border-radius: var(--radius-md); text-align: center; font-size: 12px; font-weight: 700; line-height: 22px; flex-shrink: 0; margin-top: 1px; justify-content: center; align-items: center; box-shadow: 0 3px 8px rgba(114, 46, 209, .28); }
.faq-a p { margin: 0; padding-left: 30px; font-size: 14px; line-height: 1.7; color: var(--gray-8); }

/* ── CTA Section（深色锚点） ── */
.cta-section-v2 {
  position: relative; overflow: hidden;
  background:
    radial-gradient(700px 320px at 84% -12%, rgba(196, 150, 237, .50), rgba(196, 150, 237, 0) 62%),
    linear-gradient(135deg, var(--primary) 0%, var(--primary-dk) 62%, var(--ink-700) 100%);
  border-radius: var(--radius-lg); padding: 48px 32px; text-align: center; margin: 40px 0; color: #fff;
  border: 1px solid rgba(141, 78, 218, .40);
  box-shadow: 0 20px 48px rgba(114, 46, 209, .22);
}
.cta-section-v2 h2 { margin: 0 0 8px; font-size: 24px; color: #fff; font-weight: 600; }
.cta-section-desc { margin: 0 0 20px; font-size: 14px; color: rgba(255, 255, 255, .85); }
.cta-section-meta { font-size: 13px; color: rgba(255, 255, 255, .7); margin-top: 12px; }
.cta-section-v2 .cta-primary { background: #fff; color: var(--primary); animation: none; box-shadow: 0 8px 24px rgba(0, 0, 0, .22); }
.cta-section-v2 .cta-primary:hover { background: var(--primary-lt); color: var(--primary-active); box-shadow: 0 12px 30px rgba(0, 0, 0, .3); }

/* ── 元数据条 ── */
.meta-bar { padding: 8px 0 0; font-size: 13px; color: var(--gray-8); }
.meta-date { display: inline-flex; align-items: center; gap: 4px; }

/* ── 警示卡片（语义橙，与品牌紫无关） ── */
.notice-card { background: #FFF7E8; border-left: 4px solid var(--warning); padding: 16px 20px; border-radius: var(--radius-lg); margin: 24px 0; font-size: 13px; line-height: 1.7; color: #7A4100; display: flex; gap: 12px; align-items: flex-start; box-shadow: 0 2px 10px rgba(255, 125, 0, .10); }
.notice-icon { flex-shrink: 0; width: 20px; height: 20px; color: var(--warning); margin-top: 2px; }
.notice-icon svg { width: 20px; height: 20px; }
.notice-body { flex: 1; }
.notice-card strong { color: #A64500; }

/* ── 对比表格 ── */
.compare-table-wrap { overflow-x: auto; margin: 20px 0; }
.compare-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.compare-table th { background: var(--surface-alt); color: var(--gray-10); font-weight: 600; padding: 10px 14px; text-align: left; border-bottom: 2px solid var(--gray-3); }
.compare-table td { padding: 10px 14px; border-bottom: 1px solid var(--gray-2); vertical-align: top; }
.compare-table tr:hover td { background: rgba(114, 46, 209, .04); }

/* ── 步骤列表 ── */
.steps-v2 { list-style: none; padding: 0; margin: 24px 0; counter-reset: step; }
.steps-v2 li { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 20px; padding: 16px; background: linear-gradient(180deg, var(--surface) 0%, var(--surface-alt) 100%); border: 1px solid var(--gray-3); border-radius: var(--radius-lg); box-shadow: var(--card-shadow); }
.step-num { width: 32px; height: 32px; background: linear-gradient(135deg, var(--primary-hover) 0%, var(--primary-active) 100%); color: #fff; border-radius: var(--radius-circle); display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; flex-shrink: 0; box-shadow: 0 4px 10px rgba(114, 46, 209, .28); }
.step-text { font-size: 15px; line-height: 1.6; color: var(--gray-8); flex: 1; }

/* ── 提示框 ── */
.tip-box { background: linear-gradient(90deg, var(--primary-lt) 0%, rgba(245, 232, 255, .30) 100%); border-left: 4px solid var(--primary); border-radius: 0 var(--radius-md) var(--radius-md) 0; padding: 14px 16px; margin: 16px 0; font-size: 14px; }

/* ── 页脚（深紫锚点，与 hero 同源） ── */
.footer { background: linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 100%); color: var(--footer-fg); padding: 48px 0 24px; border-top: 1px solid var(--ink-line); }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 32px; margin-bottom: 32px; }
.footer-col h4 { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 14px; }
.footer-col ul  { list-style: none; }
.footer-col li  { margin-bottom: 8px; }
.footer-col a   { font-size: 14px; color: rgba(255, 255, 255, .60); transition: color .15s var(--ease-base); }
.footer-col a:hover { color: #fff; }

/* ── 响应式 ── */
@media (max-width: 768px) {
  .hero-v2 { padding: 48px 0 40px; }
  /* 嵌套卡片在窄屏收敛左右内边距，否则文字列被压得过窄 */
  .content-layout .main-content .hero-v2 { padding: 28px 22px 26px; }
  .hero-v2 h1 { font-size: 28px; }
  .hero-v2 .hero-sub { font-size: 15px; }
  .pcl-screenshot-hero { padding: 40px 0 44px; }
  .pcl-screenshot-hero .container { display: flex; flex-direction: column; align-items: stretch; gap: 24px; }
  .pcl-screenshot-hero .hero-cta-row { align-items: stretch; }
  .pcl-screenshot-hero .hero-cta-row a { justify-content: center; }
  .pcl-screenshot-hero .hero-trust { justify-content: center; }
  .pcl-hero-visual { order: 2; }
  .pcl-hero-visual img { margin: 0 auto; }
  /* 压边卡片在窄屏会顶出容器，退回常规说明文字 */
  .pcl-hero-visual figcaption { position: static; margin: 12px auto 0; white-space: normal; text-align: center; box-shadow: none; background: rgba(255, 255, 255, .10); border-color: rgba(255, 255, 255, .22); border-left-width: 1px; color: rgba(255, 255, 255, .82); }
  .pcl-install-evidence { padding: 18px; margin: 22px auto 28px; }
  .pcl-edition-evidence { margin: 22px auto 28px; }
  .content-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .hub-grid-v2 > .hub-card-v2 { flex: 1 1 100%; }
  .main-content h1 { font-size: 24px; }
}
@media (max-width: 480px) {
  .hero-v2 { padding: 40px 0 32px; }
  .cta-primary { font-size: 15px; padding: 12px 24px; }
}

/* ══════════════════════════════════════════════════════════════════
   表面层级
   画布由 body 的径向淡紫晕承担，section 保持透明以透出纵深；
   纯白只留给卡片，交替色带用 --surface-alt。
   ══════════════════════════════════════════════════════════════════ */
.section, .content-layout { background: transparent; }

/* ══════════════════════════════════════════════════════════════════
   子站二级导航 .ks-subnav
   （原为 17 页各自内联的 <style data-ks="1">，此处收敛为单一来源）
   ══════════════════════════════════════════════════════════════════ */
.ks-subnav { background: #fff; border-bottom: 2px solid var(--primary); position: sticky; top: 0; z-index: 190; box-shadow: 0 2px 10px rgba(18, 3, 46, .05); }
.ks-subnav-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; height: 44px; padding: 0 20px; gap: 8px; }
.ks-subnav-inner a { padding: 0 16px; height: 44px; line-height: 44px; font-size: 14px; font-weight: 500; color: var(--gray-8); text-decoration: none; border-radius: var(--radius-md) var(--radius-md) 0 0; transition: background .15s var(--ease-base), color .15s var(--ease-base); }
.ks-subnav-inner a:hover { color: var(--primary); background: var(--primary-lt); }
.ks-subnav-inner a:focus-visible { outline: var(--focus-ring); outline-offset: 2px; border-radius: var(--radius-md); }
.ks-subnav-inner a.active { background: var(--primary); color: #fff; }

/* 左侧品牌 logo（PCL 六边形，已随主题重新着色为品牌紫 #722ED1） */
.ks-subnav-inner .ks-logo {
  display: inline-flex; align-items: center; gap: 8px;
  height: 44px; padding: 0 16px 0 0; margin-right: 4px;
  text-decoration: none !important; flex-shrink: 0;
}
.ks-subnav-inner .ks-logo svg { width: 26px; height: 26px; flex-shrink: 0; }
.ks-subnav-inner .ks-logo img { width: 26px; height: 26px; flex-shrink: 0; display: inline-block; vertical-align: middle; border-radius: var(--radius-md); object-fit: contain; }
.ks-subnav-inner .ks-logo span { font-size: 18px; font-weight: 700; color: var(--primary); letter-spacing: .5px; }
.ks-subnav-inner .ks-logo:hover { color: var(--primary); background: none; }
/* 中部导航组：整体居中 */
.ks-subnav-inner .ks-subnav-nav { display: flex; align-items: center; gap: 4px; flex: 1; justify-content: center; min-width: 0; }
.ks-subnav-inner .ks-subnav-cta { margin-left: 0; }
/* CTA 按钮 */
.ks-subnav-inner .ks-subnav-cta {
  display: inline-flex; align-items: center; gap: 6px;
  height: 32px; padding: 0 18px; line-height: 32px;
  background: var(--primary); color: #fff !important;
  font-size: 14px; font-weight: 600; border-radius: var(--radius-md);
  text-decoration: none !important; flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(114, 46, 209, .25);
  transition: background .15s var(--ease-base), transform .2s var(--ease-out), box-shadow .2s var(--ease-out);
}
.ks-subnav-inner .ks-subnav-cta:hover { background: var(--primary-hover); color: #fff !important; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(114, 46, 209, .35); }
.ks-subnav-inner .ks-subnav-cta:focus-visible { outline: var(--focus-ring); outline-offset: 2px; }
.ks-subnav-inner .ks-subnav-cta svg { width: 16px; height: 16px; flex-shrink: 0; }
@media (max-width: 768px) {
  .ks-subnav-inner { gap: 4px; padding: 0 12px; }
  .ks-subnav-inner .ks-logo { padding-right: 8px; }
  .ks-subnav-inner .ks-logo span { font-size: 15px; }
  .ks-subnav-inner .ks-subnav-cta { padding: 0 12px; font-size: 13px; }
  .ks-subnav-inner .ks-subnav-cta .cta-text-short { display: inline; }
  .ks-subnav-inner .ks-subnav-cta .cta-text-full { display: none; }
}

/* ── 安装包核验表 C1 ── */
.verify-card { border: 1px solid var(--gray-3); border-radius: var(--radius-lg); padding: 24px 28px; margin: 24px 0; box-shadow: var(--card-shadow); }
.verify-title { font-size: 18px; font-weight: 600; color: var(--gray-10); margin-bottom: 16px; }
.verify-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.verify-table td { padding: 10px 14px; border-bottom: 1px solid var(--gray-2); vertical-align: top; }
.verify-table td:first-child { width: 120px; color: var(--gray-8); font-weight: 500; flex-shrink: 0; }
.verify-table tr:last-child td { border-bottom: none; }
.verify-table tr:hover td { background: rgba(114, 46, 209, .04); }

/* ── 李鬼站警示 C2（语义橙，与品牌紫无关） ── */
.fake-warning { border: 1px solid #FDDDC3; border-left: 4px solid var(--warning); border-radius: var(--radius-lg); padding: 16px 20px; margin: 24px 0; font-size: 14px; }
.fake-warning-title { font-weight: 600; color: #A64500; margin-bottom: 8px; }
.fake-warning ul { margin: 0 0 8px; padding-left: 20px; color: #7A4100; }
.fake-warning li { margin-bottom: 4px; }
.fake-warning-more { font-size: 13px; color: #92400E; }

/* ── 版本同步 C3 ── */
.version-sync { display: inline-flex; align-items: center; gap: 8px; background: var(--primary-lt); border: 1px solid var(--primary-line); border-radius: var(--radius-md); padding: 10px 16px; font-size: 14px; color: var(--primary-dk); margin-bottom: 24px; }
.vs-check { display: inline-flex; width: 20px; height: 20px; background: linear-gradient(135deg, var(--primary-hover) 0%, var(--primary) 100%); color: #fff; border-radius: var(--radius-circle); align-items: center; justify-content: center; font-size: 12px; font-weight: 700; flex-shrink: 0; }

/* ── Sticky 下载栏（滚动提醒） ── */
.sticky-download { position: fixed; left: 0; right: 0; bottom: 0; z-index: 500; background: rgba(255, 255, 255, .97); backdrop-filter: blur(8px); border-top: 1px solid var(--primary-line); box-shadow: 0 -4px 16px rgba(18, 3, 46, .08), 0 -1px 0 rgba(114, 46, 209, .10); padding: 10px 16px; transform: translateY(100%); transition: transform .25s var(--ease-out); }
.sticky-download.show { transform: translateY(0); }
.sticky-download-inner { max-width: 1100px; margin: 0 auto; display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }
.sd-info { font-size: 14px; color: var(--gray-8); font-weight: 600; }
.sd-info small { display: block; font-size: 12px; color: var(--gray-8); font-weight: 400; }
.sticky-download .cta-primary { padding: 10px 24px; font-size: 15px; min-height: 42px; animation: none; }