/* ============================================
   前台样式（双主题）
   - body.theme-dark ：首页/栏目页（深色科技风，参考主站）
   - body.theme-light：产品页/收银台/帮助/订单（浅色独立站风）
   ============================================ */
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { -webkit-tap-highlight-color: transparent; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  text-size-adjust: 100%;
}
img { max-width: 100%; }
code { font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, monospace; font-size: .92em; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 16px; }

/* ============ 主题变量（浅色为默认，深色覆盖） ============ */
body, body.theme-light {
  --bg: #f4f6fa;
  --card: #ffffff;
  --card-2: #f8fafc;
  --border: #e8edf4;
  --text: #1c2430;
  --text-2: #5b6675;
  --text-3: #93a0b2;
  --accent: #2563eb;
  --accent-2: #1d4ed8;
  --cta: #ff7800;
  --cta-2: #f05f00;
  --ok: #00b08a;
  background: var(--bg); color: var(--text);
}
body.theme-dark {
  /* 对标主站 tokens：深海蓝青渐变 */
  --bg: #0b1220;
  --bg-2: #0f172a;
  --card: rgba(255,255,255,.04);
  --card-2: rgba(255,255,255,.07);
  --border: rgba(255,255,255,.08);
  --text: #e2e8f0;
  --text-2: #94a3b8;
  --text-3: #64748b;
  --accent: #06b6d4;
  --accent-2: #3b82f6;
  --accent-3: #8b5cf6;
  --cta: #ff8a1f;
  --cta-2: #f05f00;
  --ok: #34d399;
  font-size: 15px;
  background:
    radial-gradient(1200px 800px at 10% -10%, rgba(6,182,212,.12), transparent 60%),
    radial-gradient(900px 700px at 100% 10%, rgba(139,92,246,.10), transparent 55%),
    var(--bg);
  color: var(--text);
}
a { color: var(--accent); text-decoration: none; transition: none; }

/* ============ Header（两主题共用） ============ */
body.theme-dark .site-header { background: rgba(10,15,30,.82); }
.header-inner { display: flex; align-items: center; height: 64px; gap: 16px; position: relative; }
.logo { font-size: 21px; font-weight: 800; color: var(--text); letter-spacing: .5px; white-space: nowrap; }
body.theme-dark .logo { background: linear-gradient(120deg,#7dd3fc,#22d3ee 40%,#818cf8); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.main-nav a.active { color: #fff; background: linear-gradient(120deg, var(--accent-2), var(--accent)); }
body.theme-dark .main-nav a.active { color: #06222b; background: linear-gradient(120deg,#22d3ee,#38bdf8); font-weight: 700; }
.cta { padding: 9px 20px; border-radius: 999px; font-size: 14px; font-weight: 600; flex-shrink: 0; color: #fff !important; background: linear-gradient(135deg, var(--cta), var(--cta-2)); box-shadow: 0 4px 14px rgba(255,120,0,.35); }
.cta:hover { box-shadow: 0 6px 18px rgba(255,120,0,.45); }

/* ============================================================
   深色：首页 / 栏目页（严格对标 www.tooldown.cn：Bento + 极光科技风）
   结构：Header(仅Logo) / Banner / city-nav 分类导航行 / faq-bento / footer
   ============================================================ */
body.theme-dark a { color: inherit; }
body.theme-dark a:hover { color: #06b6d4; }
body.theme-dark .container { max-width: 1280px; padding: 0 28px; }
body.theme-dark .main-wrap { position: relative; overflow: hidden; }

/* ---- 主区极光背景 ---- */
body.theme-dark .aurora-bg { position: absolute; inset: 0; pointer-events: none; overflow: hidden; z-index: 0; }
body.theme-dark .aurora { position: absolute; border-radius: 50%; filter: blur(110px); opacity: .30; will-change: transform; }
body.theme-dark .aurora-1 { width: 600px; height: 600px; top: -200px; left: -150px; background: radial-gradient(circle, #06b6d4, transparent 65%); animation: none; }
body.theme-dark .aurora-2 { width: 520px; height: 520px; top: 20%; right: -160px; background: radial-gradient(circle, #8b5cf6, transparent 65%); animation: none; opacity: .24; }
body.theme-dark .aurora-3 { width: 640px; height: 640px; bottom: -260px; left: 30%; background: radial-gradient(circle, #3b82f6, transparent 65%); animation: none; opacity: .18; }
body.theme-dark .grid-overlay {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 50% 0%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000 20%, transparent 75%);
}

/* ---- 顶部导航（仅 Logo；pp-header 为产品页同款导航，不在此列） ---- */
body.theme-dark header:not(.pp-header) {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(11,18,32,.72);
  backdrop-filter: saturate(180%) blur(22px);
  -webkit-backdrop-filter: saturate(180%) blur(22px);
  border-bottom: 1px solid var(--border);
}
body.theme-dark header:not(.pp-header) nav { padding: 18px 0; }
body.theme-dark header:not(.pp-header) nav .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
body.theme-dark header .logo { background: none; -webkit-text-fill-color: currentColor; }
body.theme-dark .logo h1 {
  font-size: 20px; font-weight: 800; letter-spacing: -.02em;
  display: flex; align-items: center; gap: 10px;
}
body.theme-dark .logo h1 a {
  background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---- Banner ---- */
body.theme-dark .banner {
  position: relative; overflow: hidden; padding: 64px 0 56px;
  background:
    radial-gradient(1000px 500px at 0% 0%, rgba(6,182,212,.18), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(139,92,246,.15), transparent 55%),
    linear-gradient(180deg, #0a0f1e 0%, #0b1220 100%);
  border-bottom: 1px solid var(--border);
}
body.theme-dark .banner-bg { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
body.theme-dark .banner-bg__grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 0%, transparent 75%);
}
body.theme-dark .banner-bg__aurora { position: absolute; border-radius: 50%; filter: blur(100px); opacity: .4; will-change: transform; }
body.theme-dark .banner-bg__aurora--1 { width: 500px; height: 500px; top: -200px; left: -120px; background: radial-gradient(circle, #06b6d4, transparent 65%); animation: none; }
body.theme-dark .banner-bg__aurora--2 { width: 460px; height: 460px; top: -140px; right: -100px; background: radial-gradient(circle, #8b5cf6, transparent 65%); animation: none; opacity: .32; }
body.theme-dark .banner .container { position: relative; z-index: 2; }
body.theme-dark .banner-inner { max-width: 860px; margin: 0 auto; text-align: center; }
body.theme-dark .banner-eyebrow {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 16px; font-size: 12.5px; font-weight: 600; letter-spacing: .02em;
  color: #06b6d4; background: rgba(6,182,212,.1); border: 1px solid rgba(6,182,212,.24);
  border-radius: 999px; margin-bottom: 28px;
  box-shadow: 0 4px 16px rgba(6,182,212,.08);
}
body.theme-dark .banner-title { display: flex; flex-direction: column; gap: 10px; margin: 0 0 22px; }
body.theme-dark .banner-title__main {
  font-size: clamp(30px, 5.4vw, 56px); font-weight: 900;
  letter-spacing: -.03em; line-height: 1.1; color: #fff;
}
body.theme-dark .banner-title__sub {
  font-size: clamp(16px, 2.2vw, 22px); font-weight: 700;
  letter-spacing: -.01em; line-height: 1.3;
  background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: none;
}
body.theme-dark .banner-desc {
  font-size: clamp(14px, 1.6vw, 16.5px); line-height: 1.85;
  color: #94a3b8; max-width: 640px; margin: 0 auto 34px; font-weight: 500;
}
body.theme-dark .banner-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
body.theme-dark .banner-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 16px; font-size: 13px; font-weight: 600; color: #e2e8f0;
  background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08);
  border-radius: 14px;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  transition: none;
}
body.theme-dark .banner-tag:hover {
  color: #fff; background: rgba(6,182,212,.14); border-color: rgba(6,182,212,.4);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px -8px rgba(6,182,212,.4);
}

/* ---- 通用 Section ---- */
body.theme-dark .section { position: relative; z-index: 1; padding: 36px 0 64px; }
body.theme-dark .section + .section { padding-top: 0; }
body.theme-dark .section-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px; margin-bottom: 36px; flex-wrap: wrap;
}
body.theme-dark .section-header__left { display: flex; flex-direction: column; gap: 12px; }
body.theme-dark .pill-label {
  display: inline-flex; align-items: center; gap: 6px; width: fit-content;
  padding: 6px 14px; font-size: 12px; font-weight: 700; letter-spacing: .08em;
  color: #06b6d4; background: rgba(6,182,212,.1); border: 1px solid rgba(6,182,212,.2);
  border-radius: 999px; text-transform: uppercase;
}
body.theme-dark .pill-label--alt { color: #8b5cf6; background: rgba(139,92,246,.1); border-color: rgba(139,92,246,.2); }
body.theme-dark .section-title { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; letter-spacing: -.02em; color: #fff; line-height: 1.2; }
body.theme-dark .section-title a {
  color: inherit;
  background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---- 分类导航行：一级渐变胶囊 + 二级产品 chip ----
   注：city-nav / nav-row / nav-lvl1 的美化版规则见文件下方「分类导航区（city-nav）整体美化」区块 */
body.theme-dark .nav-lvl2s {
  display: flex; flex-wrap: wrap; gap: 10px; padding-left: 0;
  justify-content: center; width: 100%;
}
/* 产品 chip：沿用 FAQ 卡的玻璃质感和圆角语言（圆角略小于卡片的 20px） */
body.theme-dark .nav-lvl2 {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 8px 16px; font-size: 13.5px; font-weight: 500;
  color: #a8b3c7 !important;
  background: linear-gradient(145deg, rgba(255,255,255,.06) 0%, rgba(255,255,255,.015) 100%);
  border: 1px solid var(--border);
  border-radius: 14px;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  transition: none;
  line-height: 1.5; min-width: 130px; text-align: center; flex: 0 0 auto;
}
/* hover 仅瞬时提亮，不做位移/渐变过渡（用户要求无动画） */
body.theme-dark .nav-lvl2:hover {
  color: #fff !important;
  background: rgba(255,255,255,.1);
  border-color: rgba(148,163,184,.35);
}
body.theme-dark .nav-lvl2--empty {
  color: #64748b !important; background: transparent;
  border-style: dashed; pointer-events: none; min-width: 0;
}
/* 产品名前的 免费/付费 徽章（首页与栏目页通用）
   免费=绿色系（可白拿），付费=琥珀色系（需付款），一眼区分要不要花钱 */
.nav-lvl2__badge{
  display:inline-flex;align-items:center;justify-content:center;
  height:17px;padding:0 6px;margin-right:6px;
  border-radius:5px;font-size:11px;font-weight:700;line-height:1;
  letter-spacing:.2px;flex:none;vertical-align:middle;
}
.nav-lvl2.is-free .nav-lvl2__badge{
  color:#052e16;background:linear-gradient(135deg,#4ade80,#22c55e);
  box-shadow:0 1px 4px -1px rgba(34,197,94,.5);
}
.nav-lvl2.is-paid .nav-lvl2__badge{
  color:#3b2500;background:linear-gradient(135deg,#fbbf24,#f59e0b);
  box-shadow:0 1px 4px -1px rgba(245,158,11,.5);
}
/* 免费 chip 整体淡绿底，付费保持原样 —— 强化"这家不用花钱"的第一眼印象
   底色/描边压低饱和度，与极光青紫背景协调（徽章本身仍保持鲜明绿/琥珀） */
.nav-lvl2.is-free{
  background:rgba(34,197,94,.055);border-color:rgba(34,197,94,.2);
}
.nav-lvl2.is-free:hover{
  background:rgba(34,197,94,.16) !important;
  border-color:rgba(34,197,94,.45);
}

/* ============================================================
   分类导航区（city-nav）—— 样式六：对齐「常见问题」圆弧玻璃卡
   参照 .faq-item 的配方，保证同一页面内视觉语言一致：
     border-radius: 20px
     background: linear-gradient(145deg, rgba(255,255,255,.06), rgba(255,255,255,.015))
     border: 1px solid var(--border)
     backdrop-filter: blur(8px)
   栏目名沿用 faq-item::before 的青紫渐变（#06b6d4 → #8b5cf6）。
   注：用户明确要求不要动画，故 transition:none，hover 仅瞬时变化。
   ============================================================ */
body.theme-dark .city-nav {
  display: flex; flex-direction: column; gap: 16px;
  /* 与 .faq-item 完全一致的圆弧玻璃卡 */
  background: linear-gradient(145deg, rgba(255,255,255,.06) 0%, rgba(255,255,255,.015) 100%);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 22px;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  position: relative; overflow: hidden;
}
/* 每一行 = 一个栏目分组；分隔线沿用 FAQ 风格的淡虚线，避免直角生硬 */
body.theme-dark .nav-row {
  display: flex; flex-direction: column; align-items: center; gap: 18px;
  padding-bottom: 18px;
  border-bottom: 1px dashed var(--border);
}
body.theme-dark .nav-row:last-child { padding-bottom: 0; border-bottom: none; }
/* 栏目名：白字（与 FAQ 标题一致） */
body.theme-dark .nav-lvl1 {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 26px 14px; margin: 0 auto;
  font-size: 17px; font-weight: 800;
  letter-spacing: 1.2px; text-align: center; line-height: 1.4;
  color: #fff !important;
  background: transparent;
  border-radius: 999px;
  position: relative;
  transition: none;
  text-decoration: none;
}
/* 下方居中渐变指示条 —— 做法与顶部导航 .pp-nav a.is-current::after 一致
   （left:50% + translateX(-50%) 居中，圆头，高度 3px） */
body.theme-dark .nav-lvl1::after {
  content: ''; position: absolute;
  left: 50%; transform: translateX(-50%);
  bottom: 6px; height: 3px; width: 56px;
  border-radius: 999px;
  background: linear-gradient(90deg, #06b6d4, #8b5cf6);
  box-shadow: 0 0 10px -1px rgba(99,102,241,.9);
}
/* 悬停：整行加一层极淡玻璃底（与 FAQ 卡 hover 同思路），瞬时生效无动画 */
body.theme-dark .nav-lvl1:hover {
  color: #fff !important;
  background: rgba(255,255,255,.05);
  box-shadow: none;
}
body.theme-dark .nav-lvl1__name { display: inline; }

/* ============================================================
   顶部导航：当前所在栏目高亮（新样式：底部发光指示条 + 文字提亮）
   适用于所有导航项（首页 / 各栏目 / 免费资源 / 帮助 / 订单查询）
   —— 用"下划线 + 亮字"表达当前位置，比整块渐变胶囊更干净清爽
   ============================================================ */
.pp-nav a { position: relative; }
.pp-nav a.is-current,
.pp-nav a.pp-nav-home.is-home {
  color: var(--pp-text) !important;
  background: transparent !important;
  font-weight: 800;
  transform: none;
  box-shadow: none;
}
/* 底部指示条：渐变 + 圆头 + 发光 */
.pp-nav a.is-current::after,
.pp-nav a.pp-nav-home.is-home::after {
  content: '';
  position: absolute;
  left: 13px; right: 13px; bottom: 2px;
  height: 3px; border-radius: 999px;
  background: linear-gradient(90deg, var(--pp-accent), var(--pp-accent-2), var(--pp-accent-3));
  box-shadow: 0 0 10px -1px var(--pp-accent);
}
@media (max-width: 768px) {
  /* 移动端导航项更窄，下划线内缩同步收窄 */
  .pp-nav a.is-current::after,
  .pp-nav a.pp-nav-home.is-home::after { left: 10px; right: 10px; bottom: 1px; height: 2.5px; }
}
.pp-nav a.is-current:hover,
.pp-nav a.pp-nav-home.is-home:hover {
  background: transparent !important;
  color: var(--pp-text) !important;
}

/* ---- FAQ 便当格 ---- */
body.theme-dark .faq-section { padding-top: 10px; }
body.theme-dark .faq-bento { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
body.theme-dark .faq-item {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 22px;
  background: linear-gradient(145deg, rgba(255,255,255,.06) 0%, rgba(255,255,255,.015) 100%);
  border: 1px solid var(--border); border-radius: 20px;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  transition: none;
  position: relative; overflow: hidden;
}
body.theme-dark .faq-item::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 3px; height: 100%;
  background: linear-gradient(135deg, #06b6d4, #8b5cf6);
  opacity: 0; transition: none;
}
/* hover：仅瞬时变色/加投影，不做位移（用户要求去动画） */
body.theme-dark .faq-item:hover {
  border-color: rgba(139,92,246,.3);
  box-shadow: 0 4px 12px rgba(0,0,0,.35), 0 2px 4px rgba(0,0,0,.2);
  background: linear-gradient(145deg, rgba(139,92,246,.08), rgba(255,255,255,.02));
  color: inherit;
}
body.theme-dark .faq-item:hover::before { opacity: 1; }
body.theme-dark .faq-item__icon {
  flex-shrink: 0; width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 900; color: #0b1220;
  background: linear-gradient(135deg, #06b6d4, #8b5cf6);
  border-radius: 10px;
  box-shadow: 0 4px 14px -4px rgba(139,92,246,.5);
}
body.theme-dark .faq-item__content { flex: 1; min-width: 0; }
body.theme-dark .faq-item__title {
  font-size: 15px; font-weight: 700; color: #fff;
  line-height: 1.55; margin-bottom: 12px;
  transition: none;
}
body.theme-dark .faq-item:hover .faq-item__title { color: #06b6d4; }
body.theme-dark .faq-item__meta {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
body.theme-dark .faq-item__date { font-size: 12px; color: #64748b; font-weight: 500; }
body.theme-dark .faq-item__action {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 12.5px; font-weight: 700; color: #8b5cf6;
  transition: none;
}
body.theme-dark .faq-item__action svg { transition: none; }
/* hover 仅瞬时变色，无位移（用户要求去动画） */
body.theme-dark .faq-item:hover .faq-item__action { color: #06b6d4; }
/* 帮助中心列表：FAQ 摘要 + 分组标题 */
body.theme-dark .faq-item__excerpt {
  font-size: 13px; color: #64748b; line-height: 1.6; margin: -4px 0 10px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
body.theme-dark .faq-group__name {
  display: flex; align-items: center; gap: 10px;
  font-size: 17px; font-weight: 800; color: #fff; margin: 30px 0 16px;
}
body.theme-dark .faq-group__name::before {
  content: ''; width: 5px; height: 18px; border-radius: 3px;
  background: linear-gradient(180deg, #06b6d4, #8b5cf6); flex-shrink: 0;
}
body.theme-dark .faq-group__name:first-child { margin-top: 4px; }

/* ---- 帮助详情：文档卡 ---- */
body.theme-dark .doc-wrap { max-width: 860px; margin: 0 auto; }
body.theme-dark .doc-back {
  display: inline-flex; align-items: center; gap: 6px;
  color: #94a3b8; font-size: 14px; margin-bottom: 16px;
  padding: 8px 16px; border: 1px solid rgba(255,255,255,.1); border-radius: 999px;
  background: rgba(255,255,255,.04); backdrop-filter: blur(8px);
  transition: none;
}
body.theme-dark .doc-back svg { transition: none; }
body.theme-dark .doc-back:hover { color: #06b6d4; border-color: rgba(6,182,212,.45); }
body.theme-dark .doc-card {
  background: linear-gradient(145deg, rgba(255,255,255,.06), rgba(255,255,255,.015));
  border: 1px solid rgba(255,255,255,.08); border-radius: 20px;
  padding: 32px 34px; backdrop-filter: blur(8px);
}
body.theme-dark .doc-meta { font-size: 13px; color: #64748b; margin-bottom: 10px; }
body.theme-dark .doc-title {
  font-size: 25px; font-weight: 800; color: #fff; line-height: 1.4;
  margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid rgba(255,255,255,.08);
}
body.theme-dark .doc-content { color: #cbd5e1; font-size: 15.5px; line-height: 1.9; word-break: break-word; }
body.theme-dark .doc-content p { margin-bottom: 14px; }
body.theme-dark .doc-content h2 {
  font-size: 19px; font-weight: 800; color: #fff; margin: 22px 0 12px;
  padding-bottom: 8px; border-bottom: 1px solid rgba(255,255,255,.08);
}
body.theme-dark .doc-content h3 { font-size: 16.5px; font-weight: 700; color: #fff; margin: 18px 0 8px; }
body.theme-dark .doc-content ul, body.theme-dark .doc-content ol { margin: 0 0 14px 22px; }
body.theme-dark .doc-content li { margin-bottom: 6px; }
body.theme-dark .doc-content img { max-width: 100%; border-radius: 12px; margin: 14px 0; border: 1px solid rgba(255,255,255,.1); }
body.theme-dark .doc-content a { color: #06b6d4; text-decoration: underline; text-underline-offset: 3px; }
body.theme-dark .doc-content code { background: rgba(255,255,255,.08); padding: 2px 7px; border-radius: 6px; font-size: .9em; color: #67e8f9; }
body.theme-dark .doc-content pre {
  background: rgba(0,0,0,.35); border: 1px solid rgba(255,255,255,.1);
  border-radius: 10px; padding: 14px; overflow-x: auto; margin-bottom: 14px;
}
body.theme-dark .doc-content pre code { background: none; padding: 0; color: #e2e8f0; }
body.theme-dark .doc-content blockquote {
  border-left: 4px solid #06b6d4; background: rgba(6,182,212,.08);
  padding: 10px 16px; border-radius: 0 10px 10px 0; color: #94a3b8; margin: 14px 0;
}
/* ---- FAQ：客服咨询卡片 ---- */
body.theme-dark .faq-bento--kefu { margin-top: 16px; grid-template-columns: 1fr; }
body.theme-dark .faq-item--kefu {
  grid-column: 1 / -1;
  width: 100%; font: inherit; text-align: left; cursor: pointer;
  border: 1px solid rgba(6,182,212,.35); border-radius: 14px;
  background: linear-gradient(145deg, rgba(6,182,212,.1), rgba(59,130,246,.05) 60%, rgba(255,255,255,.02));
  box-shadow: 0 6px 24px -10px rgba(6,182,212,.45);
  position: relative; overflow: hidden;
}
body.theme-dark .faq-item--kefu::before { background: linear-gradient(180deg, #06b6d4, #3b82f6); opacity: 1; }
body.theme-dark .faq-item--kefu:hover {
  border-color: rgba(6,182,212,.6);
  box-shadow: 0 12px 32px -10px rgba(6,182,212,.6);
}
body.theme-dark .faq-item--kefu:hover .faq-item__title { color: #22d3ee; }
body.theme-dark .faq-item__icon--kefu { background: linear-gradient(135deg, #06b6d4, #3b82f6); color: #fff; }
body.theme-dark .faq-item--kefu .faq-item__action { color: #06b6d4; }

body.theme-dark .doc-cta { text-align: center; margin-top: 28px; }
body.theme-dark .doc-cta .nav-lvl1 { max-width: 340px; }
body.theme-dark .doc-cta--btns { display: flex; flex-direction: column; align-items: center; gap: 12px; }
body.theme-dark .nav-lvl1--kefu {
  border: none; font: inherit; cursor: pointer;
  background: linear-gradient(135deg, #07c160 0%, #06b6d4 100%);
  box-shadow: 0 4px 16px -5px rgba(7,193,96,.5);
}
body.theme-dark .nav-lvl1--kefu:hover { box-shadow: 0 8px 26px -6px rgba(7,193,96,.65), 0 0 0 1px rgba(255,255,255,.12) inset; }

/* ---- 订单查询 ---- */
body.theme-dark .order-wrap { max-width: 760px; margin: 0 auto; }
body.theme-dark .order-card {
  background: linear-gradient(145deg, rgba(255,255,255,.06), rgba(255,255,255,.015));
  border: 1px solid rgba(255,255,255,.08); border-radius: 20px;
  padding: 40px 34px; backdrop-filter: blur(8px); text-align: center;
}
body.theme-dark .order-title { font-size: 24px; font-weight: 800; color: #fff; margin-bottom: 10px; }
body.theme-dark .order-desc { color: #94a3b8; font-size: 14.5px; margin-bottom: 24px; }
body.theme-dark .order-form { display: flex; gap: 12px; flex-wrap: wrap; text-align: left; }
body.theme-dark .order-input {
  flex: 1; min-width: 240px; padding: 13px 18px; border-radius: 14px;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12);
  color: #e2e8f0; font-size: 14.5px; outline: none; transition: none;
}
body.theme-dark .order-input::placeholder { color: #64748b; }
body.theme-dark .order-input:focus {
  border-color: rgba(6,182,212,.55); background: rgba(255,255,255,.07);
  box-shadow: 0 0 0 4px rgba(6,182,212,.12);
}
body.theme-dark .order-btn {
  padding: 13px 30px; border-radius: 999px; border: 0; cursor: pointer;
  color: #fff; font-weight: 700; font-size: 15px; white-space: nowrap;
  background: linear-gradient(135deg, #06b6d4, #3b82f6 50%, #8b5cf6);
  box-shadow: 0 4px 16px -5px rgba(6,182,212,.5);
  transition: none;
}
body.theme-dark .order-btn:hover { box-shadow: 0 8px 26px -6px rgba(6,182,212,.65); }
body.theme-dark .order-btn:active { transform: translateY(0); }
body.theme-dark .order-alert {
  display: flex; gap: 8px; align-items: flex-start; text-align: left;
  margin-bottom: 18px; padding: 12px 16px; border-radius: 12px;
  background: rgba(239,68,68,.1); border: 1px solid rgba(239,68,68,.3);
  color: #fca5a5; font-size: 14px; line-height: 1.6;
}
body.theme-dark .order-buy { margin-top: 18px; text-align: center; }
body.theme-dark .order-buy .nav-lvl1 { max-width: 280px; }
body.theme-dark .order-tip { margin-top: 20px; font-size: 13px; color: #64748b; text-align: left; line-height: 1.7; }

/* ---- 页脚 ---- */
body.theme-dark footer {
  position: relative;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(6,182,212,.1), transparent 55%),
    linear-gradient(180deg, #0f172a 0%, #070c18 100%);
  border-top: 1px solid var(--border);
  padding: 56px 0 32px; overflow: hidden; z-index: 1;
}
body.theme-dark footer::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(135deg, #06b6d4, #3b82f6, #8b5cf6);
  background-size: 300% 100%;
  animation: none;
}
body.theme-dark footer .container { position: relative; z-index: 1; }
body.theme-dark .footer-links-section {
  background: rgba(255,255,255,.04); border: 1px solid var(--border);
  border-radius: 20px; padding: 28px 32px; margin-bottom: 28px;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
body.theme-dark .footer-links-section h4 {
  font-size: 18px; font-weight: 800; color: #fff; text-align: center;
  margin-bottom: 22px; padding-bottom: 16px; letter-spacing: -.01em;
  position: relative;
}
body.theme-dark .footer-links-section h4::after {
  content: ''; position: absolute; bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 60px; height: 3px;
  background: linear-gradient(135deg, #06b6d4, #8b5cf6);
  border-radius: 3px;
}
body.theme-dark .two-row-links .link-row {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;
}
body.theme-dark .two-row-links .link-row a {
  padding: 7px 15px; font-size: 13px; font-weight: 500;
  color: #94a3b8; border-radius: 999px;
  border: 1px solid var(--border); background: rgba(255,255,255,.025);
  white-space: nowrap; transition: none;
  position: relative; overflow: hidden;
}
body.theme-dark .two-row-links .link-row a:hover {
  color: #fff; background: rgba(6,182,212,.14); border-color: rgba(6,182,212,.4);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,.3);
}
body.theme-dark .footer-copyright { padding-top: 16px; text-align: center; border-top: 1px solid var(--border); }
body.theme-dark .footer-copyright p { font-size: 12.5px; color: #64748b; line-height: 1.9; }
body.theme-dark .footer-copyright a { color: #94a3b8; transition: none; }
body.theme-dark .footer-copyright a:hover { color: #06b6d4; }
body.theme-dark .footer-sitemap {
  margin-top: 8px; display: flex; align-items: center; justify-content: center;
  gap: 12px; font-size: 12px; color: #64748b;
}
body.theme-dark .footer-sitemap a { color: #94a3b8; transition: none; }
body.theme-dark .footer-sitemap a:hover { color: #06b6d4; }
body.theme-dark .footer-divider { opacity: .4; }

/* ---- 深色响应式 ---- */
@media (max-width: 768px) {
  body.theme-dark .container { padding: 0 20px; }
  body.theme-dark .banner { padding: 48px 0 44px; }
  body.theme-dark .section { padding: 24px 0 56px; }
  body.theme-dark .section-header { flex-direction: column; align-items: flex-start; gap: 10px; margin-bottom: 28px; }
  body.theme-dark .city-nav { padding: 16px; border-radius: 18px; }
  body.theme-dark .nav-row { gap: 14px; padding-bottom: 14px; }
  body.theme-dark .nav-lvl1 { padding: 9px 22px 13px; font-size: 16px; letter-spacing: .8px; }
  body.theme-dark .faq-bento { grid-template-columns: 1fr; gap: 12px; }
  body.theme-dark .faq-item { padding: 18px; }
  body.theme-dark .doc-card { padding: 22px 18px; }
  body.theme-dark .doc-title { font-size: 21px; }
  body.theme-dark .order-card { padding: 28px 20px; }
  body.theme-dark .order-form { flex-direction: column; }
  body.theme-dark .order-btn { width: 100%; }
  body.theme-dark .footer-links-section { padding: 22px 18px; }
  body.theme-dark .aurora { opacity: .20; }
}
@media (max-width: 480px) {
  body.theme-dark .nav-lvl1 { padding: 8px 18px 12px; font-size: 15px; letter-spacing: .6px; }
  body.theme-dark .nav-lvl2 { font-size: 12.5px; padding: 6px 12px; min-width: 104px; }
  body.theme-dark .nav-lvl2s { gap: 8px; }
}

/* ============================================================
   通用产品页（pp-）：一套结构 · 四套主题皮肤
   software 深空科技 / doc 纸墨书房 / food 烟火食欲 / design 创意潮流
   ============================================================ */

/* ---------- 主题 tokens ---------- */
body.pp-theme--software {
  --pp-bg:#0b1220; --pp-bg-2:#0f172a;
  --pp-header-bg:rgba(11,18,32,.72);
  --pp-card:rgba(255,255,255,.045); --pp-card-2:rgba(255,255,255,.07);
  --pp-border:rgba(255,255,255,.09);
  --pp-text:#e6edf7; --pp-text-2:#94a3b8; --pp-text-3:#64748b;
  --pp-accent:#06b6d4; --pp-accent-2:#3b82f6; --pp-accent-3:#8b5cf6;
  --pp-on-accent:#fff;
  --pp-cta:linear-gradient(135deg,#06b6d4,#3b82f6 52%,#8b5cf6);
  --pp-cta-shadow:0 12px 32px -10px rgba(6,182,212,.55);
  --pp-chip-bg:rgba(255,255,255,.06); --pp-chip-text:#a5f3fc;
  --pp-kind-bg:rgba(6,182,212,.12); --pp-kind-text:#67e8f9; --pp-kind-border:rgba(6,182,212,.35);
  --pp-radius:18px;
  --pp-title-font:"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  color-scheme:dark;
}
body.pp-theme--doc {
  --pp-bg:#f6f1e7; --pp-bg-2:#efe8d8;
  --pp-header-bg:rgba(246,241,231,.85);
  --pp-card:#fffdf8; --pp-card-2:#f4edde;
  --pp-border:#e3d9c4;
  --pp-text:#2c2620; --pp-text-2:#6f6657; --pp-text-3:#a89e8d;
  --pp-accent:#1d4ed8; --pp-accent-2:#b45309; --pp-accent-3:#1d4ed8;
  --pp-on-accent:#fdf9f0;
  --pp-cta:#2c2620;
  --pp-cta-shadow:4px 4px 0 rgba(44,38,32,.2);
  --pp-chip-bg:#f3ecdd; --pp-chip-text:#92610f;
  --pp-kind-bg:#2c2620; --pp-kind-text:#f6f1e7; --pp-kind-border:#2c2620;
  --pp-radius:10px;
  --pp-title-font:Georgia,"Songti SC","STSong","SimSun","Noto Serif SC",serif;
  color-scheme:light;
}
body.pp-theme--food {
  --pp-bg:#fff6ee; --pp-bg-2:#ffecdd;
  --pp-header-bg:rgba(255,246,238,.86);
  --pp-card:#fffdfa; --pp-card-2:#fff2e6;
  --pp-border:#f5dfc8;
  --pp-text:#43261a; --pp-text-2:#8a6a52; --pp-text-3:#bd9d86;
  --pp-accent:#ea580c; --pp-accent-2:#dc2626; --pp-accent-3:#f59e0b;
  --pp-on-accent:#fff;
  --pp-cta:linear-gradient(135deg,#f97316,#dc2626);
  --pp-cta-shadow:0 12px 30px -10px rgba(234,88,12,.5);
  --pp-chip-bg:#fff0e2; --pp-chip-text:#c2410c;
  --pp-kind-bg:#fff; --pp-kind-text:#ea580c; --pp-kind-border:#fdba74;
  --pp-radius:22px;
  --pp-title-font:"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  color-scheme:light;
}
body.pp-theme--design {
  --pp-bg:#0e0e13; --pp-bg-2:#15151d;
  --pp-header-bg:rgba(14,14,19,.75);
  --pp-card:rgba(255,255,255,.05); --pp-card-2:rgba(255,255,255,.08);
  --pp-border:rgba(255,255,255,.1);
  --pp-text:#f4f4f5; --pp-text-2:#a1a1aa; --pp-text-3:#71717a;
  --pp-accent:#ec4899; --pp-accent-2:#8b5cf6; --pp-accent-3:#22d3ee;
  --pp-on-accent:#fff;
  --pp-cta:linear-gradient(115deg,#ec4899,#8b5cf6 55%,#22d3ee);
  --pp-cta-shadow:0 12px 32px -10px rgba(236,72,153,.5);
  --pp-chip-bg:rgba(236,72,153,.13); --pp-chip-text:#f9a8d4;
  --pp-kind-bg:#fff; --pp-kind-text:#0e0e13; --pp-kind-border:#fff;
  --pp-radius:16px;
  --pp-title-font:"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  color-scheme:dark;
}

body[class*="pp-theme--"] {
  background:var(--pp-bg); color:var(--pp-text);
  font-family:var(--pp-title-font);
  -webkit-font-smoothing:antialiased;
}
.pp-wrap { max-width:1120px; margin:0 auto; padding:0 20px; }

/* ---------- 顶部导航 ---------- */
.pp-header {
  position:sticky; top:0; z-index:50;
  background:var(--pp-header-bg);
  backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--pp-border);
}
.pp-header-inner { display:flex; align-items:center; gap:18px; height:64px; }
.pp-logo { font-size:19px; font-weight:900; color:var(--pp-text); text-decoration:none; white-space:nowrap; letter-spacing:.5px; max-width:42vw; overflow:hidden; text-overflow:ellipsis; }
body.pp-theme--software .pp-logo,
body.pp-theme--design .pp-logo {
  background:linear-gradient(90deg,var(--pp-accent),var(--pp-accent-2),var(--pp-accent-3));
  -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent;
}
body.pp-theme--food .pp-logo { color:var(--pp-accent-2); }
.pp-nav { display:flex; gap:2px; margin-left:6px; overflow-x:auto; scrollbar-width:none; }
.pp-nav::-webkit-scrollbar { display:none; }
.pp-nav a {
  color:var(--pp-text-2); text-decoration:none; font-size:14px;
  padding:7px 13px; border-radius:999px; white-space:nowrap;
  transition: color .18s ease, background .18s ease;
}
.pp-nav a:hover { color:var(--pp-text); background:var(--pp-card-2); }
.pp-header-cta {
  margin-left:auto; text-decoration:none; font-size:13.5px; font-weight:700;
  padding:9px 20px; border-radius:999px; white-space:nowrap;
  color:var(--pp-on-accent); background:var(--pp-cta);
  box-shadow:var(--pp-cta-shadow);
  border:0; cursor:pointer; font-family:inherit; line-height:1.4;
  transition: none;
}
.pp-header-cta:hover { filter:brightness(1.07); color:var(--pp-on-accent); }
body.pp-theme--doc .pp-header-cta { border-radius:6px; }

/* ---------- Hero ---------- */
.pp-hero { position:relative; overflow:hidden; padding:54px 0 60px; }
.pp-hero__bg { position:absolute; inset:0; z-index:0; pointer-events:none; overflow:hidden; }
.pp-hero__bg span { position:absolute; border-radius:50%; filter:blur(90px); }
body.pp-theme--software .pp-hero {
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:44px 44px;
}
body.pp-theme--software .pp-hero__bg span:nth-child(1){width:440px;height:440px;background:rgba(6,182,212,.2);top:-160px;left:-90px;}
body.pp-theme--software .pp-hero__bg span:nth-child(2){width:400px;height:400px;background:rgba(139,92,246,.18);bottom:-170px;right:-70px;}
body.pp-theme--software .pp-hero__bg span:nth-child(3){width:320px;height:320px;background:rgba(59,130,246,.14);top:38%;left:46%;}
body.pp-theme--doc .pp-hero {
  background-image:radial-gradient(rgba(44,38,32,.06) 1px,transparent 1px);
  background-size:22px 22px;
}
body.pp-theme--doc .pp-hero__bg span { opacity:.13; filter:blur(70px); }
body.pp-theme--doc .pp-hero__bg span:nth-child(1){width:380px;height:380px;background:#d97706;top:-140px;right:8%;}
body.pp-theme--doc .pp-hero__bg span:nth-child(2){width:320px;height:320px;background:#1d4ed8;bottom:-130px;left:-70px;}
body.pp-theme--food .pp-hero__bg span:nth-child(1){width:420px;height:420px;background:rgba(249,115,22,.22);top:-150px;left:-70px;}
body.pp-theme--food .pp-hero__bg span:nth-child(2){width:360px;height:360px;background:rgba(220,38,38,.15);bottom:-150px;right:-50px;}
body.pp-theme--food .pp-hero__bg span:nth-child(3){width:280px;height:280px;background:rgba(245,158,11,.18);top:28%;right:28%;}
body.pp-theme--design .pp-hero {
  background-image:linear-gradient(rgba(236,72,153,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(236,72,153,.07) 1px,transparent 1px);
  background-size:42px 42px;
}
body.pp-theme--design .pp-hero__bg span:nth-child(1){width:460px;height:460px;background:rgba(236,72,153,.4);top:-170px;left:-80px;}
body.pp-theme--design .pp-hero__bg span:nth-child(2){width:420px;height:420px;background:rgba(34,211,238,.26);bottom:-170px;right:-60px;}
body.pp-theme--design .pp-hero__bg span:nth-child(3){width:360px;height:360px;background:rgba(139,92,246,.34);top:32%;left:44%;}
body.pp-theme--design .pp-cover-card { border-color:rgba(236,72,153,.3); box-shadow:0 22px 55px -22px rgba(236,72,153,.4); }
body.pp-theme--design .pp-cover { border-color:rgba(236,72,153,.25); }

/* 两栏等高：align-items:stretch（原为 start，导致左栏实际比右栏矮 149px，观感失衡）
   右栏 .pp-aside 是 sticky，只做拉伸不改变粘顶行为 */
.pp-hero-grid { position:relative; z-index:1; display:grid; grid-template-columns:minmax(0,1fr) 480px; gap:24px; align-items:stretch; }
body.pp-theme--doc .pp-kind { border-radius:4px; }
body.pp-theme--design .pp-kind { border-radius:6px; transform:rotate(-1.5deg); box-shadow:4px 4px 0 rgba(236,72,153,.45); }
.pp-title {
  font-family:var(--pp-title-font);
  font-size:clamp(27px,3.8vw,39px); font-weight:900; line-height:1.28;
  margin:0 0 12px; letter-spacing:.3px; color:var(--pp-text);
}
body.pp-theme--design .pp-title {
  background:linear-gradient(100deg,#fff 15%,#f9a8d4 55%,#67e8f9 92%);
  -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent;
}
/* 产品简介（intro1）：锁定 3 行高度，超出省略。
   为什么要锁：描述长度直接决定左栏高度，而下方「成交数据框 / 卖点词框」带
   margin-top:auto —— 描述一变长，留白被压缩，两框间距会从 37px 被挤到 9px，
   版面随文案长度抖动。锁 3 行后，下方元素位置恒定，跨产品/跨描述长度版面一致。
   （实测：2 行描述时两框间距 37px，4 行时被挤到 9px）
   line-height:1.7 × 16px = 27.2px，3 行 = 81.6px，用 -webkit-line-clamp 精确截断。 */
.pp-lead{
  font-size:16px; color:var(--pp-text-2); line-height:1.7; margin:0 0 14px;
  display:-webkit-box; -webkit-box-orient:vertical; -webkit-line-clamp:3;
  overflow:hidden;
}
/* 不支持 line-clamp 的浏览器兜底：给个最大高度，超出同样裁掉 */
@supports not (-webkit-line-clamp:3){
  .pp-lead{max-height:81.6px;overflow:hidden}
}
body.pp-theme--doc .pp-tags span { border-radius:4px; }
body.pp-theme--design .pp-tags span { border-radius:6px; }
body.pp-theme--design .pp-tags span:nth-child(2n) { transform:rotate(1.2deg); }

/* 价格 */
.pp-price-row {
  display:flex; align-items:baseline; gap:14px; flex-wrap:wrap;
  margin-bottom:18px; padding:14px 20px;
  background:var(--pp-card); border:1px solid var(--pp-border);
  border-radius:var(--pp-radius);
}
body.pp-theme--doc .pp-price-row { box-shadow:4px 4px 0 rgba(44,38,32,.08); }
.pp-price { font-size:38px; font-weight:900; line-height:1; color:var(--pp-accent); letter-spacing:.5px; }
body.pp-theme--software .pp-price,
body.pp-theme--design .pp-price {
  background:linear-gradient(135deg,var(--pp-accent),var(--pp-accent-3));
  -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent;
}
body.pp-theme--food .pp-price { color:var(--pp-accent-2); }
body.pp-theme--software .pp-price--free,
body.pp-theme--design .pp-price--free {
  background:none; -webkit-text-fill-color:#4ade80; color:#4ade80;
}
.pp-price--xs { font-size:21px; }

/* 按钮 */
.pp-btn {
  display:inline-flex; align-items:center; justify-content:center; gap:9px;
  text-decoration:none; font-weight:800; font-size:16px;
  padding:15px 34px; border-radius:999px; border:0; cursor:pointer;
  color:var(--pp-on-accent); background:var(--pp-cta);
  box-shadow:var(--pp-cta-shadow);
  transition: none;
}
.pp-btn:hover { filter:brightness(1.07); color:var(--pp-on-accent); }
.pp-btn:active { transform:translateY(0); }
.pp-btn svg { width:17px; height:17px; }
body.pp-theme--doc .pp-btn { border-radius:7px; }
body.pp-theme--design .pp-btn { border-radius:10px; }
.pp-btn--sm { padding:11px 26px; font-size:14.5px; }
.pp-actions { margin-bottom:20px; }
.pp-actions .pp-btn { width:100%; max-width:430px; }

/* 特性 */
.pp-feat { list-style:none; margin:0; padding:0; display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.pp-feat li {
  display:flex; gap:11px; align-items:flex-start;
  padding:13px 15px; background:var(--pp-card);
  border:1px solid var(--pp-border); border-radius:var(--pp-radius);
}
body.pp-theme--doc .pp-feat li { box-shadow:3px 3px 0 rgba(44,38,32,.07); }
.pp-feat__ico {
  flex-shrink:0; width:34px; height:34px; border-radius:10px;
  display:flex; align-items:center; justify-content:center;
  background:var(--pp-card-2); color:var(--pp-accent);
}
body.pp-theme--food .pp-feat__ico { background:linear-gradient(135deg,#fed7aa,#fecaca); color:#c2410c; }
body.pp-theme--doc .pp-feat__ico { background:#f3ecdd; color:#92610f; border-radius:6px; }
.pp-feat b { display:block; font-size:14px; color:var(--pp-text); font-weight:700; }
.pp-feat em { display:block; font-style:normal; font-size:12px; color:var(--pp-text-3); margin-top:2px; }

/* 左侧栏：撑满整行高度（与右侧封面卡顶部对齐、底部也齐平）
   纵向 flex 排列，让「购买区 → 信任凭证条 → 特性四宫格」之间均匀分布留白。
   注意：信任条**不再用 flex:1 拉伸**（那会把卡片撑得很高、上下留白巨大），
   改为保持内容自身高度（flex:none），把剩余空间交给它上下两段 margin 均分。 */
.pp-main { display:flex; flex-direction:column; height:100%; }
.pp-main > .pp-trust {
  flex:none;                      /* 不再拉伸，只占内容高度 */
  min-height:0;
  /* 固定上下外边距，不再用 margin:auto。
     原因：auto 会把「左栏剩余高度」均分给上下留白，导致描述越短两框间距越大
     （实测 1 行→50px / 2 行→37px / 3 行→23px，版面随文案长度抖动）。
     描述已用 line-clamp 锁 3 行，这里给固定值即可让全站间距恒定。 */
  margin-top:12px;
  margin-bottom:6px;
}
.pp-main > .pp-feat { margin-top:0; }

/* 侧栏封面卡 */
.pp-aside { position:sticky; top:84px; align-self:stretch; }
.pp-cover-card {
  background:var(--pp-card); border:1px solid var(--pp-border);
  border-radius:calc(var(--pp-radius) + 6px);
  padding:18px; backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  box-shadow:0 22px 55px -22px rgba(0,0,0,.45);
}
body.pp-theme--doc .pp-cover-card { box-shadow:6px 6px 0 rgba(44,38,32,.12); }
body.pp-theme--food .pp-cover-card { box-shadow:0 22px 48px -22px rgba(194,65,12,.35); }
/* 主图容器：1:1 正方形（淘宝 / 拼多多主图标准比例，方便直接搬运素材） */
.pp-cover {
  aspect-ratio:1/1; border-radius:var(--pp-radius); overflow:hidden;
  background:var(--pp-card-2); margin-bottom:14px; position:relative;
  border:1px solid var(--pp-border);
}
/* object-fit:contain —— 图片完整自适应铺进正方形，等比例缩放居中显示。
   为什么用 contain 而不是 cover：cover 会为铺满容器而居中裁切，
   宽高比不是 1:1 的图（尤其是带文字边距的大图）会被切掉四周内容，看着像"被遮挡"。
   contain 保证整张图（含边缘文字）都可见，空出来的部分由 .pp-cover 的底色补齐，不变形也不裁切。 */
.pp-cover img { width:100%; height:100%; object-fit:contain; object-position:center; display:block; }
.pp-cover-ph {
  position:absolute; inset:0; display:flex; flex-direction:column; gap:12px;
  align-items:center; justify-content:center; color:var(--pp-accent);
}
.pp-cover-ph span { font-size:12.5px; font-weight:800; letter-spacing:5px; color:var(--pp-text-3); }

/* ---- 多主图轮播（淘宝式：箭头 + 圆点 + 计数 + 缩略图条） ---- */
.pp-slider { position:absolute; inset:0; }
.pp-slider__view { position:absolute; inset:0; }
.pp-slider__slide {
  position:absolute; inset:0; margin:0; opacity:0; visibility:hidden;
  transition:opacity .32s ease;
}
.pp-slider__slide.is-active { opacity:1; visibility:visible; }
/* 与 .pp-cover img 一致：contain 完整显示，不裁切大图内容 */
.pp-slider__slide img { width:100%; height:100%; object-fit:contain; object-position:center; display:block; }
.pp-slider__nav {
  position:absolute; top:50%; transform:translateY(-50%);
  width:30px; height:48px; display:flex; align-items:center; justify-content:center;
  font-family:inherit; font-size:24px; line-height:1; color:#fff; border:0; cursor:pointer;
  background:rgba(15,23,42,.42); opacity:0;
  transition:opacity .2s ease, background .2s ease;
}
.pp-slider__nav:hover { background:rgba(15,23,42,.64); }
.pp-slider__nav--prev { left:0; border-radius:0 8px 8px 0; }
.pp-slider__nav--next { right:0; border-radius:8px 0 0 8px; }
.pp-slider:hover .pp-slider__nav,
.pp-slider:focus-within .pp-slider__nav { opacity:1; }
.pp-slider__dots { position:absolute; left:0; right:0; bottom:10px; display:flex; justify-content:center; gap:6px; }
.pp-slider__dot {
  width:7px; height:7px; padding:0; border:0; border-radius:50%; cursor:pointer;
  background:rgba(255,255,255,.6); box-shadow:0 0 0 1px rgba(15,23,42,.2);
  transition:background .2s ease, width .2s ease;
}
.pp-slider__dot.is-active { width:18px; border-radius:4px; background:var(--pp-accent); }
.pp-slider__count {
  position:absolute; right:10px; bottom:8px; padding:1px 7px; border-radius:20px;
  font-size:11px; line-height:16px; color:#fff; background:rgba(15,23,42,.5);
  font-variant-numeric:tabular-nums;
}
.pp-thumbs { display:flex; flex-wrap:wrap; gap:8px; margin:-6px 0 14px; }
.pp-thumb {
  width:58px; height:58px; padding:0; overflow:hidden; cursor:pointer;
  border:1px solid var(--pp-border); border-radius:8px; background:var(--pp-card-2);
  opacity:.7; transition:opacity .18s ease, border-color .18s ease;
}
.pp-thumb img { width:100%; height:100%; object-fit:cover; display:block; }
.pp-thumb:hover { opacity:1; }
.pp-thumb.is-active { opacity:1; border-color:var(--pp-accent); box-shadow:0 0 0 1px var(--pp-accent); }
/* 触屏没有 hover，箭头常显 */
@media (hover:none) { .pp-slider__nav { opacity:1; } }

/* ---------- 内容区 ---------- */
.pp-sec { padding:13px 0; position:relative; z-index:1; }
.pp-card {
  background:var(--pp-card); border:1px solid var(--pp-border);
  border-radius:calc(var(--pp-radius) + 4px);
  padding:30px 32px; backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
}
body.pp-theme--doc .pp-card { box-shadow:5px 5px 0 rgba(44,38,32,.08); }
body.pp-theme--food .pp-card { box-shadow:0 16px 40px -20px rgba(194,65,12,.28); }
.pp-h2 {
  font-family:var(--pp-title-font);
  font-size:21px; font-weight:900; color:var(--pp-text);
  margin:0 0 20px; display:flex; align-items:center; gap:11px;
}
.pp-h2::before {
  content:''; width:5px; height:20px; border-radius:3px; flex-shrink:0;
  background:linear-gradient(180deg,var(--pp-accent),var(--pp-accent-3));
}
body.pp-theme--doc .pp-h2::before { background:var(--pp-accent-2); border-radius:1px; }
body.pp-theme--food .pp-h2::before { background:linear-gradient(180deg,#f97316,#dc2626); }

/* 详情图：多张无缝竖向拼接成一条长图（淘宝详情图同款，建议每张宽度统一 750px） */
.pp-gallery {
  display:block; line-height:0;
  border:1px solid var(--pp-border); border-radius:var(--pp-radius);
  overflow:hidden; background:var(--pp-card-2);
}
.pp-gallery a { display:block; border:0; border-radius:0; background:none; overflow:hidden; }
.pp-gallery img { width:100%; max-width:100%; height:auto; display:block; margin:0; transition:none; }
.pp-gallery a:hover img { transform:none; }

/* GEO：AI 速览摘要块（结论先行，AI 引擎与用户都易引用/阅读） */
.pp-aisum {
  position:relative; margin:0 0 20px; padding:16px 18px;
  border:1px solid var(--pp-border); border-left:3px solid var(--pp-accent);
  border-radius:var(--pp-radius); background:var(--pp-card-2);
}
.pp-aisum__tag {
  display:inline-block; margin-bottom:8px; padding:2px 10px;
  font-size:11px; font-weight:800; letter-spacing:.06em; color:#fff;
  background:linear-gradient(135deg,var(--pp-accent),var(--pp-accent-3));
  border-radius:999px;
}
.pp-aisum p { margin:0; color:var(--pp-text-2); font-size:14.5px; line-height:1.9; word-break:break-word; }

.pp-text { color:var(--pp-text-2); line-height:1.95; font-size:15px; word-break:break-word; }
.pp-text p { margin:0 0 14px; }
.pp-text h2,.pp-text h3 { color:var(--pp-text); margin:22px 0 12px; font-weight:800; }
.pp-text h2 { font-size:19px; }
.pp-text h3 { font-size:16.5px; }
.pp-text img { max-width:100%; border-radius:12px; margin:14px 0; border:1px solid var(--pp-border); }
.pp-text a { color:var(--pp-accent); }
.pp-text ul,.pp-text ol { margin:0 0 14px 22px; }
.pp-text li { margin-bottom:6px; }
.pp-text code { background:var(--pp-card-2); padding:2px 7px; border-radius:6px; font-size:.9em; }
.pp-text pre { background:rgba(0,0,0,.28); padding:14px; border-radius:10px; overflow-x:auto; margin-bottom:14px; }
.pp-text pre code { background:none; padding:0; }
body.pp-theme--doc .pp-text pre, body.pp-theme--food .pp-text pre { background:#f1e9d8; }
body.pp-theme--doc .pp-text code, body.pp-theme--food .pp-text code { color:#92610f; }

/* 下载页产品名 */
.pp-down-product { margin:0 0 8px; font-size:15px; color:var(--pp-text-2); }
.pp-down-product b { color:var(--pp-accent); font-weight:700; }

/* 收银台支付方式按钮 */
.pay-methods { display:flex; gap:16px; justify-content:center; flex-wrap:wrap; margin:24px 0; }
.pay-method-form { display:inline-block; }
.pay-btn {
  display:flex; flex-direction:column; align-items:center; gap:10px;
  width:180px; padding:28px 20px; border:2px solid rgba(255,255,255,.1); border-radius:16px;
  background:rgba(255,255,255,.05); cursor:pointer; transition: none; position:relative;
}
.pay-btn:hover { border-color:rgba(255,255,255,.3); box-shadow:0 8px 24px rgba(0,0,0,.3); }
.pay-btn--alipay:hover { border-color:#1677ff; box-shadow:0 8px 24px rgba(22,119,255,.25); background:rgba(22,119,255,.08); }
.pay-btn--wechat:hover { border-color:#07c160; box-shadow:0 8px 24px rgba(7,193,96,.25); background:rgba(7,193,96,.08); }
.pay-btn__icon { display:flex; align-items:center; justify-content:center; width:56px; height:56px; }
.pay-btn__text { font-size:17px; font-weight:700; color:#e2e8f0; }
@media(max-width:520px) {
  .pay-methods { flex-direction:column; align-items:center; }
  .pay-btn { width:100%; max-width:300px; }
}

/* 收银台深色卡片 */
.checkout-card {
  max-width:560px; margin:0 auto; padding:32px;
  background:rgba(15,23,42,.6); border:1px solid rgba(255,255,255,.08);
  border-radius:16px; backdrop-filter:blur(12px);
}
.checkout-product-name { font-size:20px; font-weight:700; color:#f1f5f9; margin:0 0 12px; text-align:center; }
.checkout-order-meta { display:flex; align-items:center; justify-content:center; gap:10px; margin-bottom:16px; text-align:center; }
.checkout-order-meta code { font-size:14px; color:#94a3b8; background:rgba(255,255,255,.06); padding:2px 8px; border-radius:4px; }
.checkout-copy { padding:3px 10px; font-size:12px; background:rgba(255,255,255,.08); color:#94a3b8; border:0; border-radius:4px; cursor:pointer; transition: none; }
.checkout-copy:hover { background:rgba(255,255,255,.15); color:#e2e8f0; }
.checkout-amount { display:flex; align-items:baseline; justify-content:center; gap:10px; margin-bottom:8px; text-align:center; }
.checkout-amount-label { font-size:14px; color:#94a3b8; }
.checkout-amount-value { font-size:28px; font-weight:900; color:#06b6d4; }
.checkout-pay-title { font-size:17px; font-weight:800; color:#e2e8f0; text-align:center; margin:0 0 24px; }
.checkout-pay-section { border-top:1px solid rgba(255,255,255,.08); padding-top:24px; }
.checkout-pay-heading { font-size:16px; font-weight:600; color:#e2e8f0; margin:0 0 16px; text-align:center; }
.checkout-tips { margin-top:24px; padding-top:20px; border-top:1px solid rgba(255,255,255,.06); }
.checkout-tips p { font-size:13px; color:#64748b; margin:0 0 8px; text-align:center; }
.checkout-tips a { color:#06b6d4; }
.checkout-error { padding:16px; background:rgba(239,68,68,.1); border:1px solid rgba(239,68,68,.2); border-radius:8px; color:#fca5a5; text-align:center; }
.pp-text blockquote {
  border-left:4px solid var(--pp-accent); padding:10px 16px; margin:14px 0;
  background:var(--pp-card-2); border-radius:0 10px 10px 0; color:var(--pp-text-2);
}
.pp-text table { width:100%; border-collapse:collapse; margin:14px 0; font-size:14px; }
.pp-text th,.pp-text td { border:1px solid var(--pp-border); padding:8px 12px; }

/* CTA 带 */
.pp-band {
  text-align:center; padding:42px 30px;
  border-radius:calc(var(--pp-radius) + 4px);
  background:var(--pp-card); border:1px solid var(--pp-border);
  position:relative; overflow:hidden;
}
body.pp-theme--software .pp-band { background:linear-gradient(135deg,rgba(6,182,212,.12),rgba(139,92,246,.12)); border-color:rgba(6,182,212,.3); }
body.pp-theme--design .pp-band { background:linear-gradient(135deg,rgba(236,72,153,.15),rgba(34,211,238,.1)); border-color:rgba(236,72,153,.32); }
body.pp-theme--food .pp-band { background:linear-gradient(135deg,#fff3e7,#ffe3df); border-color:#fdba74; }
body.pp-theme--doc .pp-band { background:#faf3e5; border-color:#e3d9c4; box-shadow:5px 5px 0 rgba(44,38,32,.07); }
.pp-band__big { font-size:18px; color:var(--pp-text); margin:0 0 6px; font-weight:700; }
.pp-band__big b { font-size:30px; font-weight:900; color:var(--pp-accent); margin:0 4px; }
body.pp-theme--software .pp-band__big b,
body.pp-theme--design .pp-band__big b {
  background:linear-gradient(135deg,var(--pp-accent),var(--pp-accent-3));
  -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent;
}
body.pp-theme--food .pp-band__big b { color:var(--pp-accent-2); }
.pp-band__sub { font-size:13.5px; color:var(--pp-text-3); margin:0 0 20px; }
.pp-band .pp-btn { margin:0 auto; }

/* FAQ：一排两列 */
.pp-faq { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px; }
.pp-faq .pp-qa { padding:16px 18px; border:1px solid var(--pp-border); border-radius:14px; background:rgba(15,23,42,.02); }
@media (max-width:768px) { .pp-faq { grid-template-columns:1fr; } }
.pp-qa h3 { font-size:15.5px; font-weight:700; color:var(--pp-text); margin:0 0 8px; display:flex; gap:10px; align-items:center; }
.pp-qa p { margin:0; padding-left:34px; color:var(--pp-text-2); font-size:14.5px; line-height:1.85; }
.pp-qa a { color:var(--pp-accent); font-weight:600; }
.pp-qa__q {
  flex-shrink:0; width:24px; height:24px; border-radius:8px;
  display:inline-flex; align-items:center; justify-content:center;
  font-size:13px; font-weight:900; font-style:normal;
  background:var(--pp-cta); color:var(--pp-on-accent);
}
body.pp-theme--doc .pp-qa__q { border-radius:4px; }

/* 移动端固定购买条（默认隐藏，移动端显示） */
.pp-sticky { display:none; }

/* ---------- 页脚 ---------- */
.pp-footer {
  border-top:1px solid var(--pp-border);
  padding:34px 0 42px; margin-top:44px; position:relative; z-index:1;
  background:var(--pp-bg-2);
}
.pp-footer-inner { text-align:center; }
.pp-footer p { font-size:13px; color:var(--pp-text-3); margin:0 0 10px; }
.pp-footer p a { color:var(--pp-text-3); text-decoration:none; }
.pp-footer p a:hover { color:var(--pp-text-3); }
.pp-footer-links { font-size:13px; display:flex; gap:9px; justify-content:center; align-items:center; flex-wrap:wrap; }
.pp-footer-links a { color:var(--pp-text-2); text-decoration:none; }
.pp-footer-links a:hover { color:var(--pp-accent); }
.pp-footer-links i { font-style:normal; color:var(--pp-text-3); opacity:.5; }

/* ---------- 更多产品（友链形式） ---------- */
.pp-more { display:flex; flex-wrap:wrap; gap:10px 22px; }
.pp-more a {
  color:var(--pp-text-2); text-decoration:none; font-size:15px; line-height:1.5;
  padding:2px 0; position:relative; transition: none;
}
.pp-more a::before { content:"·"; color:var(--pp-accent); margin-right:10px; font-weight:700; }
.pp-more a:hover { color:var(--pp-accent); }

/* ---------- 联系客服微信弹窗 ---------- */
.pp-modal { position:fixed; inset:0; z-index:999; display:none; }
.pp-modal.show { display:block; }
.pp-modal__mask { position:absolute; inset:0; background:rgba(5,10,22,.58); backdrop-filter:blur(3px); }
.pp-modal__box {
  position:relative; z-index:1; width:min(360px, calc(100vw - 36px));
  margin:min(16vh, 140px) auto 0;
  background:var(--pp-card); border:1px solid var(--pp-border); border-radius:var(--pp-radius);
  padding:28px 26px 26px; text-align:center;
  box-shadow:0 28px 80px -20px rgba(0,0,0,.55);
  animation: none;
}
.pp-modal__close {
  position:absolute; top:10px; right:12px; width:32px; height:32px; border:0;
  background:transparent; color:var(--pp-text-3); font-size:15px; cursor:pointer;
  border-radius:50%; transition: none;
}
.pp-modal__close:hover { background:var(--pp-chip-bg); color:var(--pp-text); }
.pp-modal__title { margin:0 0 18px; font-size:17px; color:var(--pp-text); font-weight:700; }
.pp-modal__qr {
  width:220px; height:220px; margin:0 auto 16px; padding:10px;
  background:#fff; border-radius:12px; box-sizing:border-box; overflow:hidden;
}
.pp-modal__qr img { width:100%; height:100%; display:block; object-fit:contain; }
.pp-modal__tip { margin:0 0 14px; font-size:13px; color:var(--pp-text-3); line-height:1.7; }
.pp-modal__tip a { color:var(--pp-primary); text-decoration:none; }
.pp-modal__empty {
  width:72px; height:72px; margin:6px auto 16px; display:flex; align-items:center; justify-content:center;
  font-size:38px; border-radius:50%; background:var(--pp-card-2); border:1px solid var(--pp-border);
}
.pp-modal__wx {
  display:flex; align-items:center; gap:10px; width:100%; box-sizing:border-box;
  border:1px dashed var(--pp-border); background:var(--pp-card-2);
  border-radius:12px; padding:11px 14px; cursor:pointer;
  color:var(--pp-text); font-size:15px; transition: none;
}
.pp-modal__wx:hover { border-color:var(--pp-accent); }
.pp-modal__wx-label {
  flex:none; font-size:12px; color:var(--pp-chip-text); background:var(--pp-chip-bg);
  padding:3px 8px; border-radius:6px;
}
.pp-modal__wx-id { flex:1; min-width:0; text-align:left; font-weight:700; word-break:break-all; }
.pp-modal__copy { flex:none; font-size:13px; color:var(--pp-accent); }

.product-section .images { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; }
.product-section .images img { width: 100%; border-radius: 8px; }
.product-section .text { color: var(--text-2); line-height: 1.8; word-break: break-word; }
/* ============ Checkout 收银台（浅色） ============ */
.checkout { max-width: 720px; margin: 30px auto; padding: 0 16px; }
.checkout .order-info { background: var(--card); padding: 24px; border-radius: 16px; margin-bottom: 18px; border: 1px solid var(--border); box-shadow: 0 6px 20px rgba(16,24,40,.05); }
.checkout .order-info h1 { font-size: 20px; margin-bottom: 10px; }
.checkout .order-info .price { color: var(--cta); font-size: 28px; font-weight: 800; }
.checkout h2 { font-size: 17px; margin: 24px 0 14px; color: var(--text); }
.checkout .channels { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.checkout .channel { padding: 18px 16px; background: var(--card); border: 2px solid var(--border); border-radius: 14px; cursor: pointer; transition: none; text-align: center; display: block; color: var(--text); }
.checkout .channel:hover { border-color: var(--accent); }
.checkout .channel .icon { font-size: 36px; margin-bottom: 8px; }
.checkout .channel .name { font-size: 16px; font-weight: 600; }
.checkout .channel .desc { font-size: 12px; color: var(--text-3); margin-top: 4px; }
.checkout .alert-empty { background: #fef3c7; border-left: 3px solid #f59e0b; padding: 16px; border-radius: 8px; color: #92400e; }
.mobile-launch { display: none; margin-top: 14px; padding: 14px 0; border-radius: 12px; text-align: center; font-size: 16px; font-weight: 700; cursor: pointer; border: 0; width: 100%; background: linear-gradient(135deg, #1677ff, #0958d9); color: #fff; box-shadow: 0 4px 12px rgba(22,119,255,.25); }
.mobile-launch.alipay { background: linear-gradient(135deg, #1677ff, #003c99); }
.mobile-launch.wechat { background: linear-gradient(135deg, #09bb07, #067900); }
.mobile-launch:active { transform: scale(.98); }
.mobile-guide { display: none; margin-top: 8px; padding: 10px 14px; background: #fff7e6; border: 1px solid #ffd591; border-radius: 8px; color: #ad6800; font-size: 13px; line-height: 1.6; }

/* ============ Down 下载页（浅色） ============ */
.down-page .card-down.ok { border-top: 4px solid #22c55e; }
.down-page .card-down.warn { border-top: 4px solid #f59e0b; }

/* ============ QR 扫码支付（浅色） ============ */
.qr-box { text-align: center; padding: 30px 20px; background: var(--card); border-radius: 16px; border: 1px solid var(--border); box-shadow: 0 6px 20px rgba(16,24,40,.05); }
.qr-box img, .qr-box canvas { width: 240px; height: 240px; border: 1px solid var(--border); padding: 10px; border-radius: 12px; background: #fff; }
.qr-tip { margin-top: 14px; color: var(--text); font-size: 14px; font-weight: 600; }
.qr-tip small { display: block; color: var(--text-3); font-size: 12px; margin-top: 4px; }

/* ============ FAQ（浅色） ============ */
.faq-cat .list a { display: block; padding: 10px 0; border-bottom: 1px dashed var(--border); color: var(--text-2); font-size: 14px; }
.faq-cat .list a:last-child { border-bottom: 0; }
.faq-cat .list a:hover { color: var(--accent); }

/* ============ 订单查询（浅色） ============ */
.order-query .card { background: var(--card); border-radius: 16px; padding: 32px; text-align: center; border: 1px solid var(--border); box-shadow: 0 6px 20px rgba(16,24,40,.05); }
.order-query .desc { color: var(--text-3); font-size: 13px; margin-bottom: 18px; }
.order-query .err { background: #fee2e2; color: #b91c1c; padding: 12px; border-radius: 8px; margin-bottom: 14px; font-size: 13px; }

/* ============================================================
   响应式：≤768px
   ============================================================ */
@media (max-width: 960px) {
  .pp-hero-grid { grid-template-columns: 1fr; gap: 28px; }
  /* 单列时取消等高拉伸：此时 height:100% 会解析为 auto，显式关掉更稳妥 */
  .pp-main { height: auto; display: block; }
  .pp-main > .pp-feat { margin-top: 0; }
  .pp-aside { position: static; order: -1; align-self: auto; }
  .pp-header-cta { display: none; }
}
@media (max-width: 768px) {
  .container { padding: 0 12px; }
  .header-inner { height: 56px; gap: 8px; }
  .logo { font-size: 17px; }
  body.theme-dark .main-nav { background: #0d1526; border-bottom: 1px solid var(--border); }
  .main-nav.open { display: flex; }
  .cta { padding: 7px 14px; font-size: 13px; }

  /* 深色首页 */
  .banner { padding: 40px 0 36px; }
  .banner-inner { flex-direction: column; align-items: stretch; gap: 20px; }
  .banner h1 { font-size: 28px; }
  .banner .sub { font-size: 15px; }
  .banner .desc { font-size: 13px; }
  .main { padding: 24px 12px 6px; }
  .product-card .meta { padding: 12px; }
  .product-card .price { font-size: 16px; }

  /* 通用产品页 pp- */
  .pp-wrap { padding: 0 14px; }
  .pp-header-inner { height: 56px; gap: 10px; }
  .pp-logo { font-size: 16px; }
  .pp-nav { gap: 0; margin-left: 0; }
  .pp-nav a { padding: 6px 10px; font-size: 13px; }
  .pp-hero { padding: 28px 0 34px; }
  .pp-title { font-size: 25px; }
  .pp-feat { grid-template-columns: 1fr; }
  .pp-card { padding: 22px 18px; }
  .pp-h2 { font-size: 18px; }
  .pp-thumb { width:50px; height:50px; }
  .pp-price { font-size: 32px; }
  .pp-band { padding: 28px 18px; }
  .pp-band__big b { font-size: 25px; }
  .pp-down-card { padding: 36px 22px; }
  .pp-down-title { font-size: 23px; }
  .pp-cover-card .pp-btn--block,
  .pp-aside-price { display: none; }
  /* 移动端固定购买条 */
  .pp-sticky {
    display: block; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
    background: var(--pp-header-bg);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--pp-border);
    padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  }
  .pp-sticky-inner { display: flex; align-items: center; gap: 14px; }
  .pp-sticky__info { flex: 1; min-width: 0; }
  .pp-sticky__info b { display: block; font-size: 13px; font-weight: 700; color: var(--pp-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  body[class*="pp-theme--"] { padding-bottom: 78px; }

  .checkout { padding: 0 12px; margin: 16px auto; }
  .checkout .order-info { padding: 18px; }
  .checkout .order-info h1 { font-size: 18px; }
  .checkout .order-info .price { font-size: 24px; }
  .checkout h2 { font-size: 16px; }
  .checkout .channels { grid-template-columns: 1fr 1fr; gap: 10px; }
  .checkout .channel { padding: 14px 10px; }
  .checkout .channel .icon { font-size: 28px; }
  .checkout .channel .name { font-size: 14px; }
  .qr-box { padding: 22px 14px; }
  .qr-box img, .qr-box canvas { width: 200px; height: 200px; }
  .mobile-launch { display: block; }
  .order-query .card { padding: 24px 18px; }
}

@media (max-width: 480px) {
  .checkout .channels { grid-template-columns: 1fr; }
}

/* ============================================
   下载页（付款/免费领取成功后，复用 pp-* 视觉）
   ============================================ */
.pp-down-sec { padding: 64px 0 48px; min-height: 58vh; display: flex; align-items: center; }
.pp-down-wrap { max-width: 640px; margin: 0 auto; width: 100%; }
.pp-down-card { padding: 48px 40px; text-align: center; }
.pp-down-ico { font-size: 62px; line-height: 1; margin-bottom: 18px; }
.pp-down-title { font-size: 28px; font-weight: 800; color: var(--pp-text); margin: 0 0 12px; }
.pp-down-desc { font-size: 15px; color: var(--pp-text-2); line-height: 1.7; margin: 0 0 28px; word-break: break-all; }
.pp-down-actions { display: flex; gap: 12px; justify-content: center; align-items: center; flex-wrap: wrap; }
.pp-down-meta {
  display: flex; gap: 14px; justify-content: center; align-items: center; flex-wrap: wrap;
  margin: 26px 0 0; padding-top: 22px; border-top: 1px solid var(--pp-border);
  font-size: 13px; color: var(--pp-text-3);
}
.pp-down-meta code { color: var(--pp-text-2); font-size: 12px; }
.pp-down-copy {
  padding: 4px 12px; font-size: 12px; background: var(--pp-card-2); color: var(--pp-text-2);
  border: 1px solid var(--pp-border); border-radius: 6px; cursor: pointer; transition: none;
}
.pp-down-copy:hover { color: var(--pp-text); }
.pp-down-tip {
  margin: 20px 0 0; padding: 14px 18px; background: var(--pp-card-2);
  border: 1px solid var(--pp-border); border-radius: 12px;
  font-size: 13px; color: var(--pp-text-2); line-height: 1.75; text-align: left;
}
.pp-down-tip a { color: var(--pp-primary); text-decoration: none; }
.pp-down-back { margin-top: 26px; }
.pp-down-back a { font-size: 14px; color: var(--pp-text-3); text-decoration: none; }
.pp-down-back a:hover { color: var(--pp-text-2); }

/* ============================================
   导航「免费资源」高亮胶囊
   ============================================ */
/* 产品页 / 下载页（pp-* 深色皮肤） */
.pp-nav a.pp-nav-free {
  color: #04241c; font-weight: 700;
  background: linear-gradient(120deg, #34d399, #22d3ee);
  box-shadow: 0 2px 10px rgba(52, 211, 153, .35);
}
.pp-nav a.pp-nav-free:hover {
  color: #04241c;
  background: linear-gradient(120deg, #6ee7b7, #67e8f9);
  transform: translateY(-1px);
}
/* 免费资源正处于当前页时：保留绿色语义 + 加底部指示条强调当前位置 */
.pp-nav a.pp-nav-free.is-current {
  color: #04241c !important;
  background: linear-gradient(120deg, #34d399, #22d3ee) !important;
  font-weight: 800;
}
.pp-nav a.pp-nav-free.is-current::after {
  background: linear-gradient(90deg, #34d399, #22d3ee);
  box-shadow: 0 0 10px -1px #22d3ee;
}
.pp-nav a.pp-nav-free.is-current:hover {
  background: linear-gradient(120deg, #6ee7b7, #67e8f9) !important;
}
/* 首页 / 栏目页 / 免费页 / faq / order（theme-dark main-nav） */
body.theme-dark .main-nav a.main-nav-free {
  color: #04241c; font-weight: 700;
  background: linear-gradient(120deg, #34d399, #22d3ee);
}
body.theme-dark .main-nav a.main-nav-free:hover {
  color: #04241c;
  background: linear-gradient(120deg, #6ee7b7, #67e8f9);
}
@media (max-width: 768px) {
  .pp-nav a.pp-nav-free,
  body.theme-dark .main-nav a.main-nav-free { padding: 6px 10px; font-size: 13px; }
}

/* ============================================
   商品页改版：社会证明（主图上下）+ 支付方式选择 + 信任条卖点词
   ============================================ */

.pp-paypick{margin:16px 0 4px}
.pp-paypick__opts{display:flex;gap:10px}
.pp-paypick__opt{
  position:relative;flex:1;
  display:flex;flex-direction:column;align-items:center;gap:7px;
  padding:14px 8px;
  border:2px solid var(--pp-border);border-radius:14px;
  background:var(--pp-card);cursor:pointer;
  transition:border-color .15s,background .15s,box-shadow .15s,transform .12s;
  color:var(--pp-text-2);
}
.pp-paypick__opt:hover{border-color:var(--pp-accent)}
.pp-paypick__opt.is-active{
  border-color:var(--pp-accent);background:var(--pp-card-2);
  box-shadow:0 0 0 3px rgba(6,182,212,.18);color:var(--pp-text);
}
.pp-paypick__opt.is-active .pp-paypick__txt{color:var(--pp-accent)}
.pp-paypick__ico{width:34px;height:34px;display:flex;align-items:center;justify-content:center}
.pp-paypick__ico svg{width:100%;height:100%;display:block}
.pp-paypick__txt{font-size:13.5px;font-weight:800}
/* 选中角标 */
.pp-paypick__check{
  position:absolute;top:-8px;right:-8px;
  width:22px;height:22px;border-radius:50%;
  background:var(--pp-accent);color:#fff;
  font-size:13px;font-weight:900;line-height:22px;text-align:center;
  opacity:0;transform:scale(.6);transition:opacity .15s,transform .15s;
}
.pp-paypick__opt.is-active .pp-paypick__check{opacity:1;transform:scale(1)}

.pp-trust__chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.pp-chip{font-size:12px;font-weight:600;color:var(--pp-text-2);background:var(--pp-card-2);border:1px solid var(--pp-border);border-radius:999px;padding:4px 11px;line-height:1.4}