/* Pagetap website — shared styles */
:root{
  --paper:#FBFAF8; --card:#FFFFFF; --ink:#1D1A17; --ink-2:#55514B; --ink-3:#8C877F;
  --rule:#E7E3DC; --orange:#E8730C; --orange-ink:#B9560A; --marker:#FFE27A; --marker-soft:#FFF4C7;
  --serif:"Newsreader","Noto Serif SC","Songti SC",Georgia,serif;
  --sans:"Instrument Sans","PingFang SC","Hiragino Sans",-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--orange-ink)}
.wrap{max-width:1080px;margin:0 auto;padding-inline:24px}
.mark{background:linear-gradient(transparent 55%,var(--marker) 55%,var(--marker) 92%,transparent 92%);padding:0 .08em}

/* header */
header{position:sticky;top:0;z-index:10;background:rgba(251,250,248,.92);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--rule)}
.bar{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:18px;color:var(--ink);text-decoration:none}
.brand img{width:32px;height:32px;border-radius:8px}
nav.links{display:flex;gap:22px;margin-left:auto;font-size:15px}
nav.links a{color:var(--ink-2);text-decoration:none}
nav.links a:hover{color:var(--ink)}
.lang{font-size:14px;color:var(--ink-3);text-decoration:none;border:1px solid var(--rule);border-radius:99px;padding:3px 10px}
@media (max-width:760px){nav.links{display:none}.lang{margin-left:auto}}

/* buttons */
.appstore{display:inline-flex;align-items:center;gap:10px;background:var(--ink);color:#fff;text-decoration:none;border-radius:12px;padding:11px 18px;font-weight:600}
.appstore svg{width:22px;height:22px;fill:#fff}
.appstore small{display:block;font-size:11px;font-weight:400;opacity:.8;line-height:1.1}
.appstore span{line-height:1.15}
.note{font-size:14px;color:var(--ink-3);margin-top:10px}

/* hero */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding-block:64px 40px}
.hero h1{font-family:var(--serif);font-weight:600;font-size:clamp(40px,6vw,64px);line-height:1.04;letter-spacing:-.015em;margin:0 0 18px;text-wrap:balance}
.hero p.lede{font-size:19px;color:var(--ink-2);margin:0 0 26px;max-width:34ch}
.hero .photo{position:relative}
.hero .photo img.book{border-radius:20px;box-shadow:0 24px 60px rgba(40,30,20,.18);aspect-ratio:4/5;max-height:620px;object-fit:cover;object-position:50% 52%;width:100%}
.hero .photo .card{position:absolute;left:-28px;bottom:36px;width:62%;background:var(--card);border:1px solid var(--rule);border-radius:16px;padding:14px 16px;box-shadow:0 14px 40px rgba(40,30,20,.16);font-size:14px}
.card .w{font-family:var(--serif);font-size:22px;font-weight:600}
.card .k{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin-top:8px}
.card .ai{color:var(--ink)}
@media (max-width:860px){.hero{grid-template-columns:1fr;padding-top:40px}.hero .photo .card{left:12px;width:78%}}

/* sections */
section{padding-block:72px}
section + section{border-top:1px solid var(--rule)}
.eyebrow{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--orange-ink);font-weight:600;margin:0 0 10px}
h2{font-family:var(--serif);font-weight:600;font-size:clamp(30px,4vw,42px);line-height:1.12;margin:0 0 14px;letter-spacing:-.01em;text-wrap:balance}
.sub{color:var(--ink-2);max-width:60ch;margin:0 0 36px}

/* compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.panel{background:var(--card);border:1px solid var(--rule);border-radius:18px;padding:22px 24px}
.panel h3{margin:0 0 4px;font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
.panel blockquote{margin:12px 0 0;font-family:var(--serif);font-size:20px;line-height:1.45}
.panel.ai{border-color:var(--orange);box-shadow:0 0 0 3px rgba(232,115,12,.1)}
.panel.ai h3{color:var(--orange-ink)}
.quote-src{font-size:14px;color:var(--ink-3);margin-top:16px}
@media (max-width:760px){.compare{grid-template-columns:1fr}}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step img{border-radius:18px;border:1px solid var(--rule);background:#fff}
.step h3{font-family:var(--serif);font-size:23px;margin:16px 0 6px}
.step p{color:var(--ink-2);margin:0;font-size:16px}
.step .n{font-size:13px;color:var(--orange-ink);font-weight:600;letter-spacing:.06em}
@media (max-width:860px){.steps{grid-template-columns:1fr;max-width:420px}}

/* languages */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{background:var(--card);border:1px solid var(--rule);border-radius:99px;padding:8px 16px;font-size:16px}
.chip b{font-weight:600}
.two{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
@media (max-width:860px){.two{grid-template-columns:1fr}}
.two img{border-radius:18px;border:1px solid var(--rule);max-width:360px;margin-inline:auto}

/* features */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat{background:var(--card);border:1px solid var(--rule);border-radius:16px;padding:20px 22px}
.feat h3{margin:0 0 6px;font-size:18px}
.feat p{margin:0;color:var(--ink-2);font-size:15.5px}
@media (max-width:860px){.grid3{grid-template-columns:1fr}}

/* pricing */
.plans{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:820px}
.plan{background:var(--card);border:1px solid var(--rule);border-radius:18px;padding:24px 26px}
.plan.pro{border-color:var(--orange)}
.plan h3{font-family:var(--serif);font-size:26px;margin:0 0 4px}
.plan .p{color:var(--ink-3);font-size:15px;margin-bottom:12px}
.plan ul{margin:0;padding-left:20px;color:var(--ink-2)}
.plan li{margin:6px 0}
@media (max-width:760px){.plans{grid-template-columns:1fr}}

/* faq */
details{background:var(--card);border:1px solid var(--rule);border-radius:14px;padding:14px 18px;margin-bottom:10px;max-width:820px}
summary{cursor:pointer;font-weight:600;font-size:17px}
details p{color:var(--ink-2);margin:10px 0 2px}

/* press */
.press{display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:start}
.press img{width:120px;border-radius:26px}
.press ul{margin:8px 0 0;padding-left:20px}
@media (max-width:600px){.press{grid-template-columns:1fr}}

footer{border-top:1px solid var(--rule);padding-block:34px 50px;color:var(--ink-3);font-size:14px}
footer .row{display:flex;flex-wrap:wrap;gap:18px;align-items:center}
footer a{color:var(--ink-2);text-decoration:none}
footer .sp{margin-left:auto}
a:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:6px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* 防止网格子项被长内容撑出屏幕 */
.hero > *, .two > *, .compare > *, .steps > *, .grid3 > *, .plans > *{min-width:0}

/* 上线前的「即将上线」按钮：不可点 */
.appstore.soon{background:var(--ink-2);cursor:default}