/* 隐私政策：强调透明、查阅与信息层级，不使用营销卡墙。 */
.pp-page { --pp-blue:#0067b4; --pp-cyan:#008ed3; --pp-sky:#5ac8e5; --pp-ink:#142c3f; --pp-muted:#607585; --pp-border:#dce9f0; --pp-mist:#f4f9fc; color:var(--pp-ink); background:#fff; }
.pp-page [id] { scroll-margin-top:126px; }
.pp-page a:focus-visible,.pp-table-wrap:focus-visible { outline:3px solid var(--pp-sky); outline-offset:4px; }
.pp-wrap { width:min(1180px,calc(100% - 48px)); margin-inline:auto; }
.pp-eyebrow,.pp-kicker,.pp-index { margin:0 0 14px; color:var(--pp-blue); font-size:var(--ztc-banner-label); font-weight:750; letter-spacing:.15em; line-height:1.5; text-transform:uppercase; }

.pp-hero { position:relative; min-height:520px; padding:172px 0 88px; overflow:hidden; color:#fff; background:var(--ztc-banner-luminous); }
.pp-hero::after { position:absolute; inset:auto -12% -42% 42%; height:86%; border:1px solid rgba(255,255,255,.15); border-radius:50%; content:""; box-shadow:0 0 0 48px rgba(255,255,255,.035),0 0 0 108px rgba(255,255,255,.025); }
.pp-hero-lines { position:absolute; inset:0; opacity:.16; }
.pp-hero-lines i { position:absolute; left:-4%; right:38%; height:1px; background:#fff; transform:rotate(-8deg); }
.pp-hero-lines i:nth-child(1){top:28%}.pp-hero-lines i:nth-child(2){top:56%;transform:rotate(4deg)}.pp-hero-lines i:nth-child(3){top:76%;transform:rotate(-3deg)}
.pp-hero-layout { position:relative; z-index:2; display:grid; grid-template-columns:minmax(0,1fr) minmax(320px,.5fr); gap:90px; align-items:end; }
.pp-hero h1 { margin:0; color:#fff; font-size:var(--ztc-banner-h1-feature); font-weight:720; letter-spacing:-.04em; line-height:1.08; }
.pp-hero p:not(.pp-eyebrow) { max-width:740px; margin:24px 0 0; color:rgba(255,255,255,.9); font-size:var(--ztc-banner-lead); line-height:1.85; }
.pp-hero .pp-eyebrow { color:rgba(255,255,255,.68); }
.pp-hero dl { display:grid; grid-template-columns:108px 1fr; margin:0; border-top:1px solid rgba(255,255,255,.28); }
.pp-hero dl div { min-height:94px; padding:20px 0; border-bottom:1px solid rgba(255,255,255,.28); }
.pp-hero dt { color:#fff; font-family:var(--ztc-serif); font-size:var(--ztc-fs-h4); font-weight:720; line-height:1.35; }
.pp-hero dd { margin:5px 0 0; color:rgba(255,255,255,.7); font-size:var(--ztc-banner-label); letter-spacing:.08em; }

.pp-summary { padding:92px 0; border-bottom:1px solid var(--pp-border); background:linear-gradient(180deg,#f1f9fc 0%,#fff 100%); }
.pp-summary header { display:grid; grid-template-columns:minmax(0,.65fr) minmax(0,1.35fr); gap:70px; align-items:end; margin-bottom:42px; }
.pp-summary h2,.pp-content h2 { margin:0; color:var(--pp-ink); font-size:var(--ztc-fs-h2); letter-spacing:-.03em; line-height:var(--ztc-lh-heading); text-wrap:balance; }
.pp-summary>div>div { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.pp-summary article { min-height:220px; padding:28px; border:1px solid var(--pp-border); background:rgba(255,255,255,.92); }
.pp-summary article span { color:var(--pp-cyan); font-family:var(--ztc-serif); font-size:var(--ztc-fs-micro); }
.pp-summary article h3 { margin:42px 0 10px; color:var(--pp-ink); font-size:var(--ztc-fs-h3); line-height:var(--ztc-lh-heading); }
.pp-summary article p { margin:0; color:var(--pp-muted); font-size:var(--ztc-fs-small); line-height:1.8; }

.pp-reading-layout { display:grid; grid-template-columns:230px minmax(0,1fr); gap:96px; padding-block:96px 120px; }
.pp-toc { position:relative; }
.pp-toc>p { margin:0 0 20px; color:var(--pp-blue); font-size:var(--ztc-fs-label); font-weight:750; letter-spacing:.15em; }
.pp-toc nav { position:sticky; top:116px; display:grid; border-top:1px solid var(--pp-border); }
.pp-toc a { display:grid; grid-template-columns:32px 1fr; gap:8px; padding:12px 0; color:var(--pp-muted); border-bottom:1px solid var(--pp-border); font-size:var(--ztc-fs-caption); line-height:1.5; }
.pp-toc a:hover { color:var(--pp-blue); }
.pp-toc a span { color:var(--pp-cyan); font-family:var(--ztc-serif); font-size:var(--ztc-fs-micro); }
.pp-content { min-width:0; }
.pp-content>section { padding:0 0 68px; margin:0 0 68px; border-bottom:1px solid var(--pp-border); }
.pp-content>section:last-child { margin-bottom:0; border-bottom:0; }
.pp-content h2 { margin-bottom:24px; }
.pp-content p:not(.pp-index) { margin:0 0 16px; color:var(--pp-muted); font-size:var(--ztc-fs-body); line-height:var(--ztc-lh-body); }
.pp-content strong { color:var(--pp-ink); }
.pp-content ul,.pp-content ol { margin:0 0 16px; padding-left:1.4em; color:var(--pp-muted); font-size:var(--ztc-fs-body); line-height:var(--ztc-lh-body); }
.pp-content li { margin-bottom:8px; }
.pp-content li::marker { color:var(--pp-cyan); }
.pp-note { margin-top:20px!important; padding:16px 18px; color:#355d76!important; border-left:3px solid var(--pp-cyan); background:var(--pp-mist); font-size:var(--ztc-fs-small)!important; }
.pp-table-wrap { margin-top:30px; overflow-x:auto; border:1px solid var(--pp-border); }
.pp-table-wrap table { width:100%; min-width:790px; border-collapse:collapse; }
.pp-table-wrap th,.pp-table-wrap td { padding:17px 18px; text-align:left; vertical-align:top; border-right:1px solid var(--pp-border); border-bottom:1px solid var(--pp-border); font-size:var(--ztc-fs-small); line-height:var(--ztc-lh-dense); }
.pp-table-wrap th:last-child,.pp-table-wrap td:last-child { border-right:0; }
.pp-table-wrap tr:last-child td { border-bottom:0; }
.pp-table-wrap th { color:var(--pp-ink); background:#eaf5fa; font-weight:750; }
.pp-table-wrap td { color:var(--pp-muted); }
.pp-contact-card { display:grid; grid-template-columns:repeat(2,1fr); gap:14px; margin-top:28px; }
.pp-contact-card>div { padding:24px; border:1px solid rgba(0,142,211,.28); background:linear-gradient(135deg,#eef9fc,#fff); }
.pp-contact-card small { display:block; margin-bottom:10px; color:var(--pp-muted); font-size:var(--ztc-fs-micro); letter-spacing:.1em; }
.pp-contact-card a { color:var(--pp-blue); font-family:var(--ztc-serif); font-size:var(--ztc-fs-h4); font-weight:720; overflow-wrap:anywhere; }

@media(max-width:900px){
  .pp-hero-layout{grid-template-columns:1fr;gap:42px}.pp-hero dl{max-width:520px}
  .pp-summary header{grid-template-columns:1fr;gap:12px}.pp-reading-layout{grid-template-columns:1fr;gap:52px}
  .pp-toc nav{position:static;grid-template-columns:repeat(2,1fr);gap:0 24px}
}
@media(max-width:640px){
  .pp-wrap{width:min(100% - 32px,1180px)}.pp-hero{min-height:0;padding:136px 0 68px}.pp-hero h1{font-size:var(--ztc-banner-h1-feature)}
  .pp-hero p:not(.pp-eyebrow){font-size:var(--ztc-banner-lead);line-height:1.8}.pp-hero dl{grid-template-columns:1fr 1.5fr}
  .pp-summary{padding:72px 0}.pp-summary>div>div{grid-template-columns:1fr}.pp-summary article{min-height:0}.pp-summary article h3{margin-top:24px}
  .pp-reading-layout{padding-block:72px 88px}.pp-toc nav{grid-template-columns:1fr}.pp-content>section{padding-bottom:52px;margin-bottom:52px}
  .pp-content h2,.pp-summary h2{font-size:var(--ztc-fs-h2)}.pp-contact-card{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){.pp-page *{scroll-behavior:auto!important}}