:root {
  --ink: #0c1f2e;
  --ink-soft: #3d5568;
  --muted: #6a8092;
  --paper: #eef3f0;
  --accent: #176b57;
  --accent-deep: #0e4a3c;
  --line: rgba(12, 31, 46, 0.12);
  --gold: #b8892a;
  /* 字体走系统栈：中文用苹方 / 华为 / 雅黑，观感比远端 Noto Sans SC 更贴系统，
     体积为零；也不再依赖 fonts.googleapis.com（国内常年被墙，还 render-blocking）。
     Manrope 若本机已装就用，没装回落系统无衬线。 */
  --font-display: "Manrope", "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(900px 420px at 12% -10%, rgba(23,107,87,.18), transparent 60%),
    radial-gradient(800px 380px at 90% 0%, rgba(184,137,42,.12), transparent 55%),
    linear-gradient(180deg, #f5f8f6 0%, var(--paper) 40%, #e8efeb 100%);
  min-height: 100vh;
}

.s-nav {
  position: sticky; top: 0; z-index: 20;
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem; padding: .85rem clamp(1rem, 3vw, 2rem);
  backdrop-filter: blur(10px);
  background: rgba(245,248,246,.82);
  border-bottom: 1px solid var(--line);
}
.s-brand {
  font-family: var(--font-display);
  font-weight: 800; color: var(--ink); text-decoration: none; letter-spacing: -.02em;
}
.s-nav-actions { display: flex; gap: .65rem; align-items: center; }
.s-link { color: var(--ink-soft); text-decoration: none; font-size: .9rem; }
.s-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .55rem 1rem; border-radius: 999px; text-decoration: none;
  background: var(--accent); color: #fff; font-weight: 700; font-size: .9rem;
  border: 1px solid var(--accent-deep);
}
.s-btn:hover { background: var(--accent-deep); }
.s-btn-ghost {
  background: transparent; color: var(--accent-deep);
  border-color: rgba(23,107,87,.35);
}
.s-btn-ghost:hover { background: rgba(23,107,87,.08); }
.s-btn-lg { padding: .8rem 1.25rem; font-size: 1rem; }

.s-hero {
  position: relative; min-height: 72vh;
  display: grid; align-items: end;
  overflow: hidden;
}
.s-hero-hub { min-height: 48vh; }
.s-hero-bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(120deg, rgba(12,31,46,.88) 0%, rgba(14,74,60,.72) 55%, rgba(12,31,46,.55) 100%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cpath fill='none' stroke='rgba(255,255,255,.07)' stroke-width='1' d='M0 80h160M80 0v160'/%3E%3C/svg%3E");
  background-size: cover, 80px 80px;
}
.is-focus .s-hero-bg {
  background:
    linear-gradient(120deg, rgba(12,31,46,.9) 0%, rgba(184,137,42,.35) 45%, rgba(14,74,60,.75) 100%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cpath fill='none' stroke='rgba(255,255,255,.07)' stroke-width='1' d='M0 80h160M80 0v160'/%3E%3C/svg%3E");
  background-size: cover, 80px 80px;
}
.s-hero-inner {
  position: relative; z-index: 1;
  padding: clamp(2.5rem, 8vw, 5.5rem) clamp(1.25rem, 4vw, 3rem) clamp(2rem, 5vw, 3.5rem);
  max-width: 920px; color: #f4f7f5;
}
.s-eyebrow {
  font-family: var(--font-display);
  letter-spacing: .14em; text-transform: uppercase;
  font-size: .78rem; opacity: .8; margin: 0 0 .8rem;
}
.s-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.5vw, 3.4rem);
  line-height: 1.12; margin: 0 0 .85rem; letter-spacing: -.03em;
  font-weight: 800;
}
.s-tagline {
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  line-height: 1.55; max-width: 36em; margin: 0 0 1.5rem; opacity: .92;
}
.s-cta { display: flex; flex-wrap: wrap; gap: .75rem; }

main { width: min(1040px, calc(100% - 2rem)); margin: 0 auto; padding: 1.25rem 0 3.5rem; }
.s-section {
  margin: 0 0 1.4rem;
  padding: 1.25rem 1.3rem;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.78);
  box-shadow: 0 8px 24px rgba(12,31,46,.04);
}
.s-section h2 {
  font-family: var(--font-display);
  font-size: 1.28rem; margin: 0 0 .85rem; letter-spacing: -.02em;
}
.s-lead { font-size: 1.05rem; line-height: 1.75; margin: 0 0 .65rem; color: var(--ink-soft); }
.s-muted { color: var(--muted); margin: 0.35rem 0; line-height: 1.6; font-size: .92rem; }
.s-split { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.s-split.s-section { background: transparent; border: 0; box-shadow: none; padding: 0; }
.s-split > div {
  padding: 1.15rem 1.2rem; border-radius: 18px;
  border: 1px solid var(--line); background: rgba(255,255,255,.78);
}
.s-list { margin: 0; padding-left: 1.15rem; line-height: 1.8; color: var(--ink-soft); font-size: .95rem; }
.s-list-ok { color: var(--accent-deep); }
.s-modules { display: flex; flex-wrap: wrap; gap: .55rem; }
.s-modules span {
  padding: .42rem .8rem; border-radius: 999px;
  background: rgba(255,255,255,.9); border: 1px solid var(--line);
  font-size: .86rem; color: var(--ink-soft);
}
.s-pitch pre {
  margin: 0; padding: 1.1rem 1.2rem; border-radius: 14px;
  background: rgba(12,31,46,.92); color: #e8f0ec;
  white-space: pre-wrap; font-family: var(--font-body); line-height: 1.7; font-size: .95rem;
}
.s-h3 {
  font-family: var(--font-display);
  font-size: 1.05rem; margin: 1.15rem 0 .55rem; letter-spacing: -.01em;
}
.s-toc {
  position: sticky; top: 56px; z-index: 15;
  display: flex; flex-wrap: wrap; gap: .45rem;
  width: min(1040px, calc(100% - 2rem));
  margin: .75rem auto 0;
  padding: .65rem .75rem;
  border-radius: 14px;
  background: rgba(255,255,255,.9); backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  box-shadow: 0 6px 18px rgba(12,31,46,.05);
}
.s-toc a {
  text-decoration: none !important; color: var(--ink-soft) !important; font-size: .82rem; font-weight: 600;
  padding: .35rem .75rem; border-radius: 999px; border: 1px solid var(--line);
  background: rgba(245,248,246,.95);
}
.s-toc a:hover { color: var(--accent-deep) !important; border-color: rgba(23,107,87,.4); background: #fff; }
/* 当前所在段：手机上目录是一条横滑条，滑到深处时整排只露出 3~4 个，
   没有高亮就不知道自己在哪一段（脚本在 car / zhubao 页尾，加 .is-on）。 */
.s-toc a.is-on {
  color: #fff !important; background: var(--accent) !important;
  border-color: var(--accent-deep) !important;
}
.s-copy {
  margin: 0 0 .85rem; border-radius: 14px; overflow: hidden;
  border: 1px solid rgba(12,31,46,.2);
  background: rgba(12,31,46,.92);
  min-width: 0;
}
.s-copy-head {
  display: flex; justify-content: space-between; align-items: center; gap: .75rem;
  padding: .55rem .9rem; background: rgba(255,255,255,.06);
  color: rgba(232,240,236,.9); font-size: .82rem; font-weight: 600;
}
/* 标题可能很长（「文末 CTA 三件套（每篇必贴）」「微信群消息 · 第 3 版」），
   手机上不能把复制按钮挤出屏幕 */
.s-copy-head span { min-width: 0; overflow-wrap: anywhere; }
.s-copy-btn {
  cursor: pointer; border: 1px solid rgba(255,255,255,.25);
  background: rgba(23,107,87,.85); color: #fff;
  border-radius: 999px; padding: .28rem .7rem; font-size: .78rem; font-weight: 700;
  flex: 0 0 auto;
  white-space: nowrap;
  transition: background .15s, border-color .15s;
}
.s-copy-btn:hover { background: var(--accent); }
.s-copy-btn.is-done { background: rgba(184,137,42,.9); border-color: rgba(255,255,255,.4); }
.s-copy pre {
  margin: 0; padding: .9rem 1rem 1.1rem;
  color: #e8f0ec; white-space: pre-wrap; font-family: var(--font-body);
  line-height: 1.7; font-size: .92rem;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.s-table-wrap { overflow-x: auto; border-radius: 14px; border: 1px solid var(--line); background: rgba(255,255,255,.7); }
.s-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.s-table th, .s-table td { padding: .75rem .9rem; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.s-table th { background: rgba(12,31,46,.04); color: var(--ink); font-weight: 700; }
.s-table tr:last-child td { border-bottom: 0; }
.s-toast {
  position: fixed; left: 50%; bottom: 1.4rem; transform: translateX(-50%);
  background: var(--ink); color: #fff; padding: .55rem 1rem; border-radius: 999px;
  font-size: .85rem; font-weight: 700; z-index: 50;
}

.s-bottom-cta {
  padding: 1.5rem; border-radius: 18px;
  background: rgba(255,255,255,.65); border: 1px solid var(--line);
}

.s-hub-main { padding-top: .5rem; }
.s-hub-grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}
.s-hub-card {
  display: flex; flex-direction: column; gap: .35rem;
  padding: 1.15rem 1.2rem; text-decoration: none; color: inherit;
  border-radius: 16px; border: 1px solid var(--line);
  background: rgba(255,255,255,.72);
  transition: transform .2s, border-color .2s, box-shadow .2s;
}
.s-hub-card:hover {
  transform: translateY(-2px);
  border-color: rgba(23,107,87,.35);
  box-shadow: 0 10px 28px rgba(12,31,46,.08);
}
.s-hub-card.focus {
  border-color: rgba(184,137,42,.45);
  background: linear-gradient(160deg, rgba(255,255,255,.9), rgba(184,137,42,.1));
}
.s-hub-cat { font-size: .75rem; color: var(--muted); letter-spacing: .04em; }
.s-hub-card strong {
  font-family: var(--font-display); font-size: 1.12rem; letter-spacing: -.02em;
}
.s-hub-card em { font-style: normal; color: var(--ink-soft); font-size: .9rem; line-height: 1.45; }

.s-foot {
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between;
  padding: 1.25rem clamp(1rem, 3vw, 2rem) 2rem;
  color: var(--muted); font-size: .88rem; border-top: 1px solid var(--line);
}
.s-foot a { color: var(--accent-deep); text-decoration: none; }
.s-foot-qr {
  width: 120px; height: 120px; object-fit: contain; border-radius: 10px;
  background: #fff; border: 1px solid var(--line); padding: 4px; margin-left: auto;
}

.s-sr {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.s-media-toolbar {
  position: sticky; top: 56px; z-index: 16;
  width: min(1040px, calc(100% - 2rem));
  margin: .85rem auto 0;
  padding: .9rem 1rem;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 22px rgba(12,31,46,.06);
  display: grid; gap: .7rem;
}
.s-media-search input {
  width: 100%; border: 1px solid var(--line); border-radius: 12px;
  padding: .7rem .95rem; font: inherit; color: var(--ink);
  background: #fff;
}
.s-media-search input:focus {
  outline: 2px solid rgba(23,107,87,.35); border-color: rgba(23,107,87,.45);
}
.s-media-filters { display: flex; flex-wrap: wrap; gap: .45rem; }
.s-chip {
  cursor: pointer; border: 1px solid var(--line); background: rgba(245,248,246,.95);
  color: var(--ink-soft); border-radius: 999px; padding: .35rem .8rem;
  font-size: .82rem; font-weight: 700;
}
.s-chip.is-on {
  background: var(--accent); color: #fff; border-color: var(--accent-deep);
}
.s-media-count { margin: 0; color: var(--muted); font-size: .82rem; }
.s-media-topic-list { display: grid; gap: .9rem; }
.s-media-topic, .s-media-draft, .s-media-reg {
  padding: .95rem 1rem; border-radius: 14px;
  border: 1px solid var(--line); background: rgba(255,255,255,.65);
}
.s-media-topic strong {
  display: block; font-family: var(--font-display);
  font-size: 1.05rem; margin: .35rem 0 .25rem; letter-spacing: -.01em;
}
.s-media-topic > p { margin: 0 0 .65rem; color: var(--ink-soft); line-height: 1.55; font-size: .92rem; }
.s-media-topic-meta { display: flex; flex-wrap: wrap; gap: .35rem; }
.s-tag {
  font-size: .72rem; font-weight: 700; letter-spacing: .02em;
  padding: .2rem .55rem; border-radius: 999px;
  background: rgba(184,137,42,.14); color: #7a5a12;
}
.s-tag.soft {
  background: rgba(23,107,87,.1); color: var(--accent-deep);
}
.sales-media .s-toc { top: auto; position: relative; margin-top: .75rem; }
.s-media-empty {
  margin: 0 0 1rem;
  padding: 1.4rem 1rem;
  border-radius: 14px;
  border: 1px dashed rgba(23, 107, 87, .35);
  background: rgba(255, 255, 255, .7);
  color: var(--muted);
  text-align: center;
  font-size: .92rem;
  line-height: 1.7;
}
.s-media-empty a { color: var(--accent-deep); font-weight: 700; text-decoration: none; }

/* —— 长内容不撑破手机屏 ——
   话术/投放文案里常带整条 URL（https://p.zerocod.cn/daolujiuyuan/system/admin/login.html），
   默认只能在空格换行，手机上整页会被撑宽 60~70px：正文右侧被裁、页面能左右晃。
   anywhere 让长串在任意位置断行；min-width:0 防止 flex/grid 子项按内容撑开。 */
.s-section p, .s-section li, .s-section td, .s-section th,
.s-pitch pre, .s-muted, .s-lead, .s-list li,
.s-media-topic > p, .s-media-draft p, .s-hub-card em, .s-hub-card strong,
.s-media-reg, .s-copy-head span, .s-foot {
  overflow-wrap: anywhere;
  word-break: break-word;
}
.s-split > div, .s-media-topic, .s-media-draft, .s-hub-card, .s-table td { min-width: 0; }

@media (max-width: 640px) {
  /* 吸顶两层（导航 + 目录 / 筛选条）在手机上要够矮，否则一屏被吃掉两成；
     变量统一在这里定义，锚点偏移和 sticky 位置共用一套数，不会改一处漏一处。 */
  :root { --nav-h: 52px; }
  .sales-page { --stick: 112px; }          /* 导航 52 + 目录 54 + 余量 */
  .sales-page.sales-media { --stick: 168px; } /* 导航 + 检索筛选条 */

  .s-hero { min-height: 58vh; }
  .s-hero-inner { padding: 2rem 1.1rem 1.6rem; }
  .s-hero h1 { font-size: clamp(1.75rem, 7.2vw, 2.3rem); }
  .s-tagline { font-size: 1rem; margin-bottom: 1.1rem; }

  /* 导航：一行放下品牌 + Demo + 咨询，触控区 ≥40px */
  .s-nav {
    align-items: center; gap: .4rem;
    padding: .25rem .9rem; min-height: var(--nav-h);
  }
  .s-brand { font-size: .92rem; display: inline-flex; align-items: center; min-height: 40px; }
  .s-nav-actions { gap: .35rem; }
  .s-link { display: inline-flex; align-items: center; min-height: 40px; padding: 0 .2rem; font-size: .84rem; }
  .s-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 40px; padding: 0 .85rem; font-size: .84rem; }
  .s-btn-lg { min-height: 46px; padding: 0 1.1rem; font-size: .95rem; }
  .s-cta { gap: .55rem; }
  .s-cta .s-btn-lg { flex: 1 1 46%; }

  /* 目录：单行横滑，不再折成两行压在正文上 */
  .s-toc {
    top: var(--nav-h);
    flex-wrap: nowrap;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    width: calc(100% - 1.5rem);
    margin: .5rem auto 0;
    padding: .45rem .55rem;
    gap: .4rem;
  }
  .s-toc::-webkit-scrollbar { display: none; }
  .s-toc a {
    flex: 0 0 auto;
    display: inline-flex; align-items: center; justify-content: center;
    min-height: 40px; padding: .3rem .85rem;
    font-size: .84rem; white-space: nowrap;
  }

  /* 点目录 / 页内链接跳过去时，标题别被吸顶栏盖住 */
  .s-section[id] { scroll-margin-top: var(--stick); }
  .s-h3[id], .s-media-topic[id] { scroll-margin-top: var(--stick); }

  main { width: calc(100% - 1.5rem); }
  .s-section { padding: 1rem .95rem; border-radius: 16px; }
  .s-lead { font-size: 1rem; line-height: 1.7; }

  /* 复制：拇指够得着，点完按钮自身也变色提示，不必等 toast */
  .s-copy-head { padding: .4rem .55rem .4rem .8rem; gap: .5rem; }
  .s-copy-head span { flex: 1 1 auto; }
  .s-copy-btn { min-height: 40px; padding: .2rem .95rem; font-size: .85rem; }
  .s-copy pre, .s-pitch pre { padding: .8rem .85rem 1rem; font-size: .92rem; line-height: 1.65; }

  /* 长文案折叠（JS 只给超过 12 行的块加 .is-clamped）：
     底部渐隐表示「还有」，按钮就在标题行，不用滑到底再找 */
  .s-copy.is-clamped:not(.is-open) > pre {
    max-height: 12.6em;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(180deg, #000 74%, rgba(0, 0, 0, 0.08));
    mask-image: linear-gradient(180deg, #000 74%, rgba(0, 0, 0, 0.08));
  }
  .s-copy-more {
    flex: 0 0 auto;
    min-height: 40px;
    padding: .2rem .8rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, .28);
    background: rgba(255, 255, 255, .1);
    color: #fff;
    font: inherit;
    font-size: .82rem;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
  }
  .s-copy-more:active { background: rgba(255, 255, 255, .2); }

  /* 投放页检索 + 筛选：吸顶要紧，触控要大 */
  .s-media-toolbar { top: var(--nav-h); padding: .55rem .7rem; gap: .5rem; border-radius: 14px; }
  .s-media-search input { height: 44px; font-size: 16px; padding: 0 .85rem; }
  .s-media-filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    gap: .4rem;
    margin: 0 -.7rem;
    padding: 0 .7rem .1rem;
  }
  .s-media-filters::-webkit-scrollbar { display: none; }
  .s-chip { flex: 0 0 auto; min-height: 40px; padding: .3rem .95rem; font-size: .84rem; }
  .s-media-count { display: none; }

  /* 查询清单表：手机上按卡片读，不用左右拖 */
  .s-table, .s-table tbody, .s-table tr, .s-table td { display: block; width: 100%; }
  .s-table thead { display: none; }
  .s-table tr { padding: .55rem .7rem; border-bottom: 1px solid var(--line); }
  .s-table td { padding: .15rem 0; border: 0; }
  .s-table td:first-child { font-weight: 700; color: var(--ink); }
  .s-table td:last-child { color: var(--ink-soft); }
  .s-table td:last-child::before { content: "→ "; color: var(--muted); }

  /* 页脚与 toast 避开 iPhone 底部安全区 */
  .s-toast { bottom: calc(1rem + env(safe-area-inset-bottom)); }
  .s-foot {
    flex-direction: column; align-items: flex-start;
    gap: .2rem;
    padding: 1rem .9rem calc(1.4rem + env(safe-area-inset-bottom));
  }
  .s-foot a { display: inline-flex; align-items: center; min-height: 38px; }
  .s-foot-qr { margin: .6rem 0 0; width: 108px; height: 108px; }
  .s-hub-grid { grid-template-columns: 1fr; }
  .s-media-topic-meta { gap: .3rem; }

  /* —— 专题页共用触控修正（car / zhubao 各写一份前缀，规则收在这里）——
     这两个专题页的组件类名各带前缀（.cv-* / .zb-*），以前移动端补丁也是
     一页一份，于是「car 改了、zhubao 忘了」这种漏改反复出现。
     凡是两页语义相同的，就在这统一给规则；只有页面自己声明了同名属性
     （例如 .cv-share-part-copy 的 min-height 28px）才需要回各页补。 */

  /* 导航里的「分享」：两页都是裸文字 button，实测 25~29px 宽、
     高度 38/19 不一，手指点不准。统一按 40px 方，与旁边 .s-link / .s-btn 一致。 */
  .s-nav-actions > button {
    display: inline-flex; align-items: center; justify-content: center;
    min-height: 40px; min-width: 40px;
  }

  /* 「同底座能力 / 相邻系统」chip（.cv-chip / .zb-chip）：原来 32px 高 */
  .cv-chip, .zb-chip {
    display: inline-flex; align-items: center;
    min-height: 36px;
  }
}