/* Labelune 官网 · 扁平暗色风格（零依赖纯 CSS）
   设计原则：单色强调、无渐变无发光、留白克制；对比度满足 WCAG AA。
   2026-09 重构：编辑感布局——左对齐章节头 + kicker 眉题、细线规格表、
   幽灵数字工作流、订阅对比表，替代模板化的居中标题 + 圆角卡片堆。 */

:root {
  color-scheme: dark;
  /* 与 Labelune 桌面端主题对齐（theme.css + vobs 品牌预设）：
     品牌色 vobs 深绿 pine #027C74（暗色底提亮为 #17b8a6 系保证对比度） */
  --bg: #161719;
  --bg-soft: #1d1f22;
  --card: #1e2023;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.2);
  --text: #e8eaed;
  --muted: #9aa0aa;
  --accent: #17b8a6;
  --accent-hover: #0fa394;
  --accent-soft: rgba(2, 124, 116, 0.16);
  --radius: 8px;
  --paper: #f4f5f9;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(2, 124, 116, 0.4); }

a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 3px;
}

.container { max-width: 1320px; margin: 0 auto; padding: 0 28px; }

/* ── 导航（吸顶 + 细分隔线） ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 28px;
  max-width: 1320px;
  margin: 0 auto;
  padding: 15px 28px;
  background: rgba(22, 23, 25, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav .logo {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.6px;
  margin-right: auto;
  color: var(--text);
}
.nav a { color: var(--muted); font-size: 14px; transition: color 0.15s; }
.nav a:hover { color: var(--text); }
.nav a.active { color: var(--text); font-weight: 600; position: relative; }
.nav a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -16px;
  height: 2px;
  background: var(--accent);
}

/* ── 顶部公告条（管理后台配置；半透明品牌底 + 完整单行文字，展示 15 秒自动消失） ── */
.site-announcement {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: center;
  background: rgba(23, 184, 166, 0.14);
  color: var(--accent);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  padding: 12px 28px;
  border-bottom: 1px solid rgba(23, 184, 166, 0.25);
}

/* ── 章节系统：kicker 眉题 + 左对齐标题 ── */
.section { padding: 72px 0; }
.section + .section { border-top: 1px solid var(--border); }
.section-head { margin-bottom: 40px; }
.kicker {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.section-head h2 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.3px;
  line-height: 1.3;
}
.section-head .sub {
  color: var(--muted);
  margin-top: 8px;
  font-size: 15px;
  max-width: 640px;
}

/* ── Hero：非对称两栏 ── */
.hero {
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(rgba(148, 163, 184, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: 56px;
  align-items: center;
  padding: 76px 0 64px;
}
.hero-copy .hero-badge {
  display: inline-block;
  font-size: 12.5px;
  color: var(--muted);
  border: 1px solid var(--border-strong);
  background: var(--bg-soft);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.hero-copy h1 {
  font-size: 46px;
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -0.8px;
}
.hero-copy h1 em { font-style: normal; color: var(--accent); }
.hero-copy p.lead {
  margin: 18px 0 30px;
  color: var(--muted);
  font-size: 16.5px;
  max-width: 480px;
}
.hero .actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero .note { margin-top: 14px; font-size: 13px; color: var(--muted); }

.hero-visual {
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: #101113;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}
.hero-visual .shot-titlebar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 9px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
}
.hero-visual .shot-titlebar span { width: 10px; height: 10px; border-radius: 50%; background: #24413c; }
.hero-visual .shot-titlebar i {
  font-style: normal;
  font-size: 12px;
  color: var(--muted);
  margin-left: 8px;
}
.hero-visual img { display: block; width: 100%; height: auto; }

/* ── 信任条：细线分隔行（非卡片） ── */
.trustbar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border);
}
.trustbar div {
  padding: 18px 20px;
  font-size: 13px;
  color: var(--muted);
}
.trustbar div + div { border-left: 1px solid var(--border); }
.trustbar b {
  display: block;
  font-size: 14px;
  color: var(--text);
  margin-bottom: 1px;
  font-weight: 600;
}

/* ── 窗口框截图（通用） ── */
.hero-shot {
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: #101113;
  box-shadow: 0 20px 56px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}
.shot-titlebar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 9px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
}
.shot-titlebar span { width: 10px; height: 10px; border-radius: 50%; background: #24413c; }
.shot-titlebar i {
  font-style: normal;
  font-size: 12px;
  color: var(--muted);
  margin-left: 8px;
}
.shot-frame img { display: block; width: 100%; height: auto; }
/* 模块细节小图行：主图下方两张并排半宽，标题栏字号收紧 */
.shot-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}
.shot-row .hero-shot { box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35); }
.shot-row .shot-titlebar { padding: 6px 11px; }
.shot-row .shot-titlebar span { width: 8px; height: 8px; }
.shot-row .shot-titlebar i { font-size: 11px; }
@media (max-width: 720px) {
  .shot-row { grid-template-columns: 1fr; }
}
.shot-caption {
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  margin-top: 12px;
}
/* 软件介绍页：界面导览图集（左锚点导航复用 docs 布局） */
.guide-group { margin-top: 34px; }
.guide-sub { margin: 6px 0 16px; color: var(--muted); font-size: 14px; }
.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.guide-grid figure {
  margin: 0;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  overflow: hidden;
  background: #101113;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}
.guide-grid img { display: block; width: 100%; height: auto; }
.guide-grid figcaption {
  padding: 9px 13px;
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--muted);
  font-size: 13px;
}
@media (max-width: 720px) {
  .guide-grid { grid-template-columns: 1fr; }
}
.shots-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px 20px;
}
.shots-grid figure { margin: 0; }
.shots-grid figcaption {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-top: 10px;
  font-size: 13px;
}
.shots-grid figcaption b { color: var(--text); font-weight: 600; flex: none; }
.shots-grid figcaption span { color: var(--muted); font-size: 12.5px; }

/* ── 工作流：幽灵数字三步 ── */
.flowgrid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.flow { position: relative; }
.flow .ghost {
  font-size: 56px;
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--border-strong);
  letter-spacing: -2px;
}
.flow h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 14px 0 6px;
}
.flow > p { font-size: 14px; color: var(--muted); margin-bottom: 16px; }
.flow-shot {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #101113;
}
.flow-shot img { display: block; width: 100%; height: auto; }

/* ── 规格表式能力清单（细线行，替代圆角卡片堆） ── */
.specgrid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 56px;
}
.specrow {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  padding: 18px 2px;
  border-top: 1px solid var(--border);
}
.specrow dt { font-size: 14px; font-weight: 600; color: var(--text); }
.specrow dd { font-size: 13.5px; color: var(--muted); }
/* 分栏（split-copy 约 450px）内退化为单列，避免 dd 过窄导致竖排 */
.split-copy .specgrid { grid-template-columns: 1fr; }

/* ── 左文右图分栏 ── */
.split {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 56px;
  align-items: center;
}
.split.rev { grid-template-columns: 7fr 5fr; }
.split.rev .split-copy { order: 2; }
.split.rev .split-shot { order: 1; }
.split-copy .kicker { margin-bottom: 8px; }
.split-copy h2 {
  font-size: 25px;
  font-weight: 800;
  letter-spacing: -0.3px;
}
.split-copy > p {
  color: var(--muted);
  font-size: 14.5px;
  margin: 12px 0 20px;
}
.split-shot .hero-shot { box-shadow: 0 16px 44px rgba(0, 0, 0, 0.4); }

/* 元素小瓦片（设计器能力缩写） */
.elemtiles {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.elemtiles li {
  display: flex;
  align-items: center;
  gap: 7px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 12.5px;
  color: var(--muted);
}
.elemtiles svg { color: var(--accent); flex: none; }

/* 能力勾选清单（两列） */
.caplist {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px 24px;
}
.caplist li { font-size: 14px; color: var(--muted); padding: 3px 0; }
.caplist li::before { content: "✓"; color: var(--accent); font-weight: 700; margin-right: 9px; }

/* ── 功能格（细线顶边规格风，非卡片堆） ── */
.fboxgrid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0 44px;
}
.fbox { border-top: 1px solid var(--border); padding: 16px 0 22px; }
.fbox-head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 5px;
}
.fbox-head svg { color: var(--accent); flex: none; }
.fbox p { font-size: 13.5px; color: var(--muted); }

/* ── 模板库筛选 + 预览卡 ── */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
}
.chip {
  padding: 6px 18px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
}
.chip:hover { color: var(--text); border-color: var(--text); }
.chip.active { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }

.tplgrid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.tpl { margin: 0; }
.tpl.hide { display: none; }
.tpl-preview {
  height: 180px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}
.tpl figcaption {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 13.5px;
  color: var(--text);
  margin-top: 10px;
}
.tpl figcaption span { color: var(--muted); font-size: 12px; }
.tpl-more {
  margin-top: 26px;
  font-size: 13.5px;
  color: var(--muted);
}
.tpl-more a { color: var(--accent); }

/* 白色标签骨架（模板预览占位） */
.mini-label {
  background: #fff;
  border-radius: 3px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}
.mini-label i { display: block; }
.ml-title { height: 9px; width: 52%; background: #2f3237; border-radius: 2px; margin: 0 auto 3px; }
.ml-line { height: 5px; border-radius: 2px; background: #2f3237; opacity: 0.82; }
.ml-line.w80 { width: 80%; }
.ml-line.w70 { width: 70%; }
.ml-line.w60 { width: 60%; }
.ml-line.w45 { width: 45%; }
.ml-bc {
  height: 26px;
  background: repeating-linear-gradient(90deg,
    #2f3237 0 2px, transparent 2px 4px,
    #2f3237 4px 5px, transparent 5px 8px);
  border-radius: 1px;
}
.ml-qr {
  width: 24px;
  height: 24px;
  border: 3px solid #2f3237;
  border-radius: 2px;
  background: conic-gradient(#2f3237 25%, transparent 0 50%, #2f3237 0 75%, transparent 0);
  background-size: 8px 8px;
  flex: none;
}
.ml-row { display: flex; gap: 8px; align-items: flex-end; }

/* ── 功能页：锚点目录 + 模块 ── */
.page-head { padding: 64px 0 40px; margin-bottom: 32px; border-bottom: 1px solid var(--border); }
.page-head h1 {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.page-head .sub {
  color: var(--muted);
  margin-top: 10px;
  font-size: 15.5px;
  max-width: 640px;
}

/* 模块/问答组纵向排列（无侧栏），内容列限宽保证可读性 */
.fmod, .helpgroup { max-width: 940px; }

/* ── 文档型布局（功能/帮助）：左侧分组导航 + 内容列 ── */
.docs {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 56px;
  align-items: start;
  padding: 44px 0 72px;
}
.docs-nav {
  position: sticky;
  top: 76px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
}
.docs-nav .docs-block + .docs-block { border-top: 1px solid var(--border); margin-top: 20px; padding-top: 18px; }
.docs-group {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 6px;
  padding: 0 12px;
}
.docs-nav a {
  display: block;
  font-size: 13px;
  color: var(--muted);
  padding: 5px 12px;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}
.docs-nav a:hover { color: var(--text); background: var(--bg-soft); }
.docs-nav a.docs-ext::after { content: " ↗"; font-size: 11px; opacity: 0.7; }
/* 锚点跳转预留吸顶导航高度 */
.helpgroup, .fmod, .qa { scroll-margin-top: 90px; }

/* ── 首页：打印机品牌兼容墙（1px 网格线） ── */
.brandwall {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.brandwall div {
  background: var(--bg);
  padding: 20px 10px;
  text-align: center;
  font-size: 13.5px;
  color: var(--muted);
  transition: color 0.15s;
}
.brandwall div:hover { color: var(--text); }
.brandwall-note {
  margin-top: 14px;
  font-size: 12.5px;
  color: var(--muted);
}
/* 法务/文档正文（docs 布局内使用） */
.doc { font-size: 14px; color: var(--muted); }
.doc p { margin: 8px 0; }
.doc ul { margin: 6px 0 12px 20px; }
.doc li { padding: 2px 0; }
.doc strong { color: var(--text); }
.doc a { color: var(--accent); }
.fmod { padding: 52px 0; border-bottom: 1px solid var(--border); }
.fmod:last-child { border-bottom: none; }
.fmod-head { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 22px; }
.fmod-head .icon {
  display: inline-flex;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  background: var(--accent-soft);
  flex: none;
  margin-top: 2px;
}
.fmod-head h2 { font-size: 21px; font-weight: 800; letter-spacing: -0.2px; }
.fmod-kicker {
  display: block;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2px;
}
.fmod-head .fmod-sub { color: var(--muted); font-size: 14.5px; margin: 4px 0 0; }
.fmod-shot { margin-bottom: 26px; }
/* 模块能力表：全宽单列规格行，短标签窄列 */
.fmod-caps { grid-template-columns: 1fr; }
.fmod-caps .specrow { grid-template-columns: 96px 1fr; padding: 12px 2px; }

/* ── 按钮 ── */
.btn {
  display: inline-block;
  padding: 11px 26px;
  border-radius: var(--radius);
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s ease;
}
/* 下载按钮平台图标：CSS mask + data URI（vobs JSX 不支持 SVG 命名空间，
   currentColor 上色，SSR / 水合 / 客户端渲染三模式一致） */
.btn .dl-btn-icon {
  display: inline-block;
  width: 16px;
  height: 16px;
  margin-right: 8px;
  vertical-align: -2.5px;
  background-color: currentColor;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-size: contain;
  mask-size: contain;
}
.dl-btn-icon--win {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 5.5 10.5 4.4v7.1H3zM11.5 4.25 21 3v8.5h-9.5zM3 12.5h7.5v7.1L3 18.5zM11.5 12.5H21V21l-9.5-1.25z'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 5.5 10.5 4.4v7.1H3zM11.5 4.25 21 3v8.5h-9.5zM3 12.5h7.5v7.1L3 18.5zM11.5 12.5H21V21l-9.5-1.25z'/%3E%3C/svg%3E");
}
.dl-btn-icon--mac {
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12.152 6.896c-.948 0-2.415-1.078-3.96-1.04-2.04.027-3.91 1.183-4.961 3.014-2.117 3.675-.546 9.103 1.519 12.09 1.013 1.454 2.208 3.09 3.792 3.03 1.52-.065 2.09-.987 3.935-.987 1.831 0 2.35.987 3.96.948 1.637-.026 2.676-1.48 3.676-2.948 1.156-1.688 1.636-3.325 1.662-3.415-.039-.013-3.182-1.221-3.22-4.857-.026-3.04 2.48-4.494 2.597-4.559-1.429-2.09-3.623-2.324-4.39-2.376-2-.156-3.675 1.09-4.61 1.09zM15.53 3.83c.843-1.012 1.4-2.427 1.245-3.83-1.207.052-2.662.805-3.532 1.818-.78.896-1.454 2.338-1.273 3.714 1.338.104 2.715-.688 3.559-1.701'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12.152 6.896c-.948 0-2.415-1.078-3.96-1.04-2.04.027-3.91 1.183-4.961 3.014-2.117 3.675-.546 9.103 1.519 12.09 1.013 1.454 2.208 3.09 3.792 3.03 1.52-.065 2.09-.987 3.935-.987 1.831 0 2.35.987 3.96.948 1.637-.026 2.676-1.48 3.676-2.948 1.156-1.688 1.636-3.325 1.662-3.415-.039-.013-3.182-1.221-3.22-4.857-.026-3.04 2.48-4.494 2.597-4.559-1.429-2.09-3.623-2.324-4.39-2.376-2-.156-3.675 1.09-4.61 1.09zM15.53 3.83c.843-1.012 1.4-2.427 1.245-3.83-1.207.052-2.662.805-3.532 1.818-.78.896-1.454 2.338-1.273 3.714 1.338.104 2.715-.688 3.559-1.701'/%3E%3C/svg%3E");
}
.btn-primary {
  background: var(--text);
  color: var(--bg);
  border-color: transparent;
}
.btn-primary:hover { background: #ffffff; }
.btn-ghost { border-color: var(--border-strong); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--text); }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; }
.btn-sm { padding: 8px 18px; font-size: 13.5px; }

/* ── 订阅页 ── */
.billing-toggle {
  display: flex;
  gap: 6px;
  margin: 0 0 30px;
}
.billing-toggle button {
  padding: 7px 20px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--muted);
  font-size: 13.5px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.billing-toggle button:hover { border-color: var(--accent); color: var(--accent); }
.billing-toggle button.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}
.price-unit { font-size: 13px; font-weight: 400; color: var(--muted); }

.plans-group-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 1px;
  margin: 0 0 16px;
}
.plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.plan {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  background: var(--card);
}
.plan.hot { border-color: rgba(23, 184, 166, 0.6); position: relative; }
.plan.hot::before {
  content: "推荐";
  position: absolute;
  top: -10px;
  left: 24px;
  background: var(--accent);
  color: #fff;
  font-size: 11.5px;
  font-weight: 600;
  padding: 1px 12px;
  border-radius: 999px;
}
.plan h3 { font-size: 16px; font-weight: 700; }
.plan .price { font-size: 30px; font-weight: 800; margin: 12px 0 2px; letter-spacing: -0.5px; }
.plan .price s { opacity: 0.5; margin-right: 8px; font-weight: 500; font-size: 20px; }
.plan .price span { font-size: 13px; font-weight: 400; color: var(--muted); }
.plan .price .price-unit { margin-left: 8px; }
.plan .price-tbd { font-size: 14px; color: var(--muted); margin: 14px 0 2px; }
.plan ul { list-style: none; margin: 16px 0 24px; flex: 1; }
.plan li { font-size: 13.5px; color: var(--muted); padding: 4px 0; }
.plan li::before { content: "✓"; color: var(--accent); font-weight: 700; margin-right: 9px; }
.plan .btn { text-align: center; }
/* 折扣/活动说明（个人版卡片下方） */
.plans-note {
  margin: 18px 0 0;
  font-size: 12.5px;
  color: var(--muted);
}

/* 商用版对比表 */
.compare-wrap { overflow-x: auto; }
.compare {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
.compare th, .compare td {
  border: 1px solid var(--border);
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
}
.compare thead th {
  background: var(--bg-soft);
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}
.compare thead th .compare-price {
  display: block;
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
  margin-top: 2px;
}
.compare tbody th {
  background: var(--bg-soft);
  font-weight: 600;
  color: var(--text);
  width: 180px;
}
.compare td { color: var(--muted); }
.compare td .yes { color: var(--accent); font-weight: 700; }

/* ── FAQ（紧凑双列） ── */
.faq {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  align-items: start;
}
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
}
.faq-item:hover { border-color: var(--border-strong); }
.faq-item h3 { font-size: 14.5px; margin-bottom: 5px; }
.faq-item p { font-size: 13.5px; color: var(--muted); }

/* ── 帮助中心：分组问答 ── */
.helpgroup { padding: 40px 0 24px; }
.helpgroup:last-of-type { padding-bottom: 56px; }
.helpgroup + .helpgroup { border-top: 1px solid var(--border); }
.helpgroup h2 {
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 12px;
}
/* 问答：左问右答扁平定义行（与规格表同语言，非卡片堆） */
.qa {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 6px 32px;
  padding: 18px 2px 20px;
  border-top: 1px solid var(--border);
}
.qa h3 { font-size: 14.5px; font-weight: 600; line-height: 1.55; }
.qa p { font-size: 13.5px; color: var(--muted); }

/* 帮助页三步上手（紧凑横排） */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.steps.cols4 { grid-template-columns: repeat(4, 1fr); }
.step {
  background: var(--card);
  padding: 22px 22px;
}
.step + .step { border-left: 1px solid var(--border); }
.step .num {
  display: inline-flex;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  margin-bottom: 10px;
}
.step h3 { font-size: 15px; margin-bottom: 6px; }
.step p { font-size: 13.5px; color: var(--muted); }

code {
  font-family: Consolas, "Courier New", monospace;
  font-size: 12.5px;
  background: var(--accent-soft);
  border: 1px solid rgba(2, 124, 116, 0.35);
  border-radius: 4px;
  padding: 1px 6px;
  color: #8fd4c9;
}

/* ── 联系页：支持渠道定义表 + 反馈模板 ── */
.channel-list { border-top: 1px solid var(--border); }
.channel-list .specrow dd a { color: var(--accent); }
.feedback-template {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  font-size: 13px;
  color: var(--muted);
  font-family: Consolas, "Courier New", monospace;
  line-height: 1.9;
  white-space: pre-wrap;
}

/* ── 下载页 ── */
.dl-meta {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 26px 0 34px;
}
.dl-meta div {
  flex: 1;
  padding: 14px 20px;
  font-size: 12.5px;
  color: var(--muted);
}
.dl-meta div + div { border-left: 1px solid var(--border); }
.dl-meta b {
  display: block;
  font-size: 14px;
  color: var(--text);
  font-weight: 600;
  margin-bottom: 1px;
}
.dl-note {
  font-size: 12.5px;
  color: var(--muted);
  margin-top: 14px;
  max-width: 520px;
}

/* ── 更新日志 ── */
.changelog { max-width: 720px; margin: 0 auto; }
.changelog-item {
  border-left: 2px solid var(--border);
  padding: 4px 0 30px 26px;
  position: relative;
}
.changelog-item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 9px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
}
.changelog-item h3 { font-size: 17px; margin-bottom: 4px; }
.changelog-item .date { font-size: 13px; color: var(--muted); margin-bottom: 10px; }
.changelog-item ul { list-style: none; }
.changelog-item li { font-size: 14px; color: var(--muted); padding: 3px 0; }
.tag {
  display: inline-block;
  font-size: 12px;
  line-height: 1.8;
  padding: 0 10px;
  border-radius: 999px;
  margin-right: 8px;
}
.tag-new { background: rgba(2, 124, 116, 0.18); color: #7fd8cd; }
.tag-imp { background: rgba(74, 222, 128, 0.12); color: #7ed6a0; }
.tag-fix { background: rgba(251, 191, 36, 0.12); color: #e9c25c; }

/* ── 法务文档 ── */
.legal { max-width: 720px; margin: 0 auto; }
.legal h2 { font-size: 19px; margin: 30px 0 8px; }
.legal p, .legal li { font-size: 14px; color: var(--muted); }
.legal ul { margin: 6px 0 12px 20px; }
.legal .updated { font-size: 13px; color: var(--muted); margin-bottom: 8px; }

/* ── CTA 收尾横幅 ── */
.cta-band {
  border-top: 1px solid var(--border);
  padding: 56px 0;
  text-align: center;
}
.cta-band h2 { font-size: 24px; font-weight: 800; margin-bottom: 8px; }
.cta-band p { color: var(--muted); font-size: 14.5px; margin-bottom: 22px; }

/* ── 页脚（三栏） ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 44px 0 32px;
  color: var(--muted);
  font-size: 13px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 28px;
}
.footer-brand .logo { font-size: 16px; font-weight: 800; color: var(--text); letter-spacing: 0.5px; }
.footer-brand p { margin-top: 8px; font-size: 12.5px; max-width: 260px; }
.footer-col h4 {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 1px;
  margin-bottom: 10px;
}
.footer-col a {
  display: block;
  color: var(--muted);
  font-size: 13px;
  padding: 3px 0;
  transition: color 0.15s;
}
.footer-col a:hover { color: var(--accent); }
.footer-base {
  border-top: 1px solid var(--border);
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.beian-badge {
  width: 16px;
  height: 17px;
  vertical-align: -3px;
  margin-right: 4px;
}

/* ── 响应式 ── */
@media (max-width: 1020px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-copy h1 { font-size: 38px; }
  .hero-copy p.lead { max-width: none; }
  .plans { grid-template-columns: 1fr 1fr; }
  .docs { grid-template-columns: 1fr; gap: 28px; padding-top: 28px; }
  .docs-nav { position: static; max-height: none; display: flex; flex-wrap: wrap; gap: 6px; }
  .docs-nav .docs-block { display: contents; }
  .docs-nav .docs-block + .docs-block { border-top: none; margin-top: 0; padding-top: 0; }
  .docs-group { width: 100%; margin-top: 10px; }
  .docs-nav a { display: inline-block; border: 1px solid var(--border-strong); border-radius: 999px; padding: 4px 14px; }
  .brandwall { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 860px) {
  .trustbar { grid-template-columns: 1fr 1fr; }
  .trustbar div:nth-child(3) { border-left: none; }
  .trustbar div:nth-child(n+3) { border-top: 1px solid var(--border); }
  .flowgrid, .split, .split.rev, .shots-grid, .faq, .fboxgrid { grid-template-columns: 1fr; }
  .split.rev .split-copy { order: 1; }
  .split.rev .split-shot { order: 2; }
  .specgrid { grid-template-columns: 1fr; }
  .qa { grid-template-columns: 1fr; gap: 4px; }
  .fmod-caps .specrow { grid-template-columns: 84px 1fr; }
  .steps { grid-template-columns: 1fr; }
  .steps.cols4 { grid-template-columns: 1fr; }
  .step + .step { border-left: none; border-top: 1px solid var(--border); }
  .tplgrid { grid-template-columns: 1fr 1fr; }
  .hero-copy h1 { font-size: 32px; }
  .hero-grid { padding: 52px 0 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .tplgrid { grid-template-columns: 1fr; }
  .brandwall { grid-template-columns: repeat(2, 1fr); }
  .plans { grid-template-columns: 1fr; }
  .trustbar { grid-template-columns: 1fr; }
  .trustbar div + div { border-left: none; border-top: 1px solid var(--border); }
  .dl-meta { flex-direction: column; }
  .dl-meta div + div { border-left: none; border-top: 1px solid var(--border); }
}
