:root{color-scheme:light;
--ink:#1f2a24;--text:#3f4a43;--muted:#6f7a73;--line:#e3e8e3;--paper:#f4f6f2;--surface:#fff;
--brand:#17664e;--brand-deep:#0f4a38;--brand-soft:#e6f0ea;
--gold:#9a6400;--gold-soft:#fff1c9;--sour:#7a5a3a;--sour-soft:#f1ebe3;--warm:#a36d36;--warm-soft:#fff1df;--funny:#b23a62;--funny-soft:#fdeaf0;
--pause:#c2562f;--pause-soft:#fdece5;--support:#17664e;--support-soft:#e3f1ea;--depends:#3567b5;--depends-soft:#e8f0fc;
--tone-peach:#f6dfd0;--tone-sage:#d9e8dc;--tone-blue:#dbe5f3;--tone-sand:#efe5d3;
--display:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
--body:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.7;-webkit-text-size-adjust:100%}
a{color:inherit}
img{max-width:100%;height:auto}
button,input{font:inherit}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.skip{position:absolute;left:-999px;top:0;background:var(--surface);padding:8px 14px;z-index:20}
.skip:focus{left:12px;top:12px}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.narrow{max-width:760px}

/* Header */
header.site{position:sticky;top:0;z-index:5;background:rgba(244,246,242,.94);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;gap:20px;padding-block:12px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--display);font-weight:800;font-size:21px;color:var(--brand-deep);white-space:nowrap}
.brand img{width:34px;height:34px;border-radius:9px}
nav.top{display:flex;gap:22px;margin-left:auto;font-size:15px}
nav.top a{text-decoration:none;color:var(--text);white-space:nowrap}
nav.top a:hover,nav.top a[aria-current]{color:var(--brand)}
.cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--brand);color:#fff;text-decoration:none;font-weight:700;border-radius:999px;padding:10px 18px;font-size:15px;white-space:nowrap;border:0;cursor:pointer}
.cta.ghost{background:var(--surface);color:var(--brand);border:1px solid var(--line)}
.menu{display:none;position:relative}
.menu summary{list-style:none;cursor:pointer;border:1px solid var(--line);border-radius:10px;padding:4px 12px;background:var(--surface);color:var(--text);font-size:15px}
.menu summary::-webkit-details-marker{display:none}
.menu nav{position:absolute;right:0;top:calc(100% + 8px);background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:8px;display:flex;flex-direction:column;min-width:160px;box-shadow:0 10px 30px rgba(31,42,36,.12)}
.menu nav a{text-decoration:none;padding:10px 12px;border-radius:8px}
.menu nav a:hover{background:var(--paper)}

/* Hero */
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;padding-block:56px 64px;align-items:center}
.eyebrow{font-size:14px;letter-spacing:.12em;color:var(--brand);font-weight:700;margin:0}
h1{font-family:var(--display);font-weight:800;font-size:clamp(32px,4.6vw,54px);line-height:1.25;letter-spacing:-.01em;margin:14px 0 18px;text-wrap:balance}
h1 em{font-style:normal;color:var(--brand)}
.lead{font-size:18px;color:var(--text);max-width:30em;margin:0}
.open-box{margin-top:30px;display:flex;gap:18px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:16px;max-width:480px}
.open-box img,.qr-fallback{width:112px;height:112px;flex:none;border-radius:12px}
.qr-fallback{display:flex;align-items:center;justify-content:center;background:var(--brand-soft);color:var(--brand);font-weight:700;text-align:center;font-size:14px;padding:10px;line-height:1.4}
.open-box b{display:block;font-size:17px}
.open-box p{margin:4px 0 0;font-size:14px;color:var(--muted);line-height:1.6}
.beta{display:inline-block;margin-top:12px;font-size:13px;color:var(--warm);background:var(--warm-soft);border-radius:999px;padding:3px 12px}

/* A question, its suggestions and the 后来, as one thread */
.thread{position:relative;display:flex;flex-direction:column;gap:14px}
.thread:before{content:"";position:absolute;left:21px;top:40px;bottom:40px;width:2px;background:var(--line)}
.msg{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:16px 18px 16px 52px;min-width:0}
.msg .av{position:absolute;left:10px;top:14px;width:24px;height:24px;border-radius:50%;background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center}
.msg .who{font-size:13px;color:var(--muted)}
.msg .q{font-family:var(--display);font-weight:700;font-size:18px;line-height:1.5;margin-top:2px}
.msg .q a{text-decoration:none}
.msg .say{margin-top:4px;color:var(--ink);overflow-wrap:anywhere}
.msg .meta{margin-top:6px;font-size:13px;color:var(--muted)}
.msg.gold{border-color:#efd590;box-shadow:0 6px 20px rgba(154,100,0,.08)}
.msg.later{background:var(--brand);border-color:var(--brand);color:#fff}
.msg.later .who,.msg.later .meta{color:#cfe6da}
.msg.later .av{background:#fff;color:var(--brand)}
.msg.later .say{color:#fff;font-weight:500}
.poll{display:flex;gap:6px;margin-top:10px;font-size:13px}
.poll span{flex:1;border-radius:8px;padding:6px 8px;background:var(--paper);color:var(--text);white-space:nowrap}
.poll span b{float:right;margin-left:6px}
.poll .lead1{background:var(--warm-soft);color:var(--warm)}
.tag{display:inline-block;font-size:12px;font-weight:700;border-radius:6px;padding:0 7px;margin-left:6px;line-height:20px;white-space:nowrap}
.t-gold{background:var(--gold-soft);color:var(--gold)}
.t-high{background:var(--brand-soft);color:var(--brand)}
.t-later{background:#fff;color:var(--brand)}

/* Sections */
section.band{padding-block:72px}
section.band.white{background:var(--surface)}
h2{font-family:var(--display);font-weight:800;font-size:clamp(24px,3vw,34px);line-height:1.3;margin:0 0 12px;text-wrap:balance}
.sub{color:var(--text);max-width:36em;margin:0 0 32px}
.head-row{display:flex;flex-wrap:wrap;gap:12px;align-items:baseline;justify-content:space-between}
.head-row a{color:var(--brand);font-weight:700;text-decoration:none;white-space:nowrap}
.voices{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.voice{border-radius:16px;padding:22px;min-width:0}
.voice h3{margin:0 0 6px;font-size:19px;font-family:var(--display);font-weight:800}
.voice p{margin:0;color:var(--text);font-size:15px}
.voice .who{margin-top:14px;font-size:13px;font-weight:700}
.v-gold{background:var(--gold-soft)}.v-gold h3,.v-gold .who{color:var(--gold)}
.v-funny{background:var(--funny-soft)}.v-funny h3,.v-funny .who{color:var(--funny)}
.v-sour{background:var(--sour-soft)}.v-sour h3,.v-sour .who{color:var(--sour)}
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.case{background:var(--paper);border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:10px;min-width:0}
.white .case{background:var(--paper)}
.band:not(.white) .case{background:var(--surface);border:1px solid var(--line)}
.case .cover{margin:-20px -20px 4px;border-radius:16px 16px 0 0;overflow:hidden;aspect-ratio:3/2;background:var(--brand-soft)}
.case .cover img{width:100%;height:100%;object-fit:cover;display:block}
.case .then{font-size:13px;color:var(--muted)}
.case .q{font-weight:700;font-size:16px;margin:0}
.case .q a{text-decoration:none}
.case .after{border-left:3px solid var(--brand);padding-left:12px}
.case .after small{display:block;font-size:12px;color:var(--muted)}
.case .after b{display:block;color:var(--brand-deep)}
.case .after p{margin:4px 0 0;font-size:14px;color:var(--text)}
.case .go{margin-top:auto;font-size:14px;color:var(--brand);text-decoration:none;font-weight:700}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;counter-reset:s}
.step{border-top:3px solid var(--brand);padding-top:16px}
.step:before{counter-increment:s;content:"第 " counter(s) " 步";font-size:13px;color:var(--brand);font-weight:700;letter-spacing:.05em}
.step h3{margin:6px 0;font-size:19px}
.step p{margin:0;color:var(--text);font-size:15px}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips a{text-decoration:none;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:15px}
.chips a:hover{border-color:var(--brand);color:var(--brand)}
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.trust div{min-width:0}
.trust h3{margin:0 0 4px;font-size:17px}
.trust p{margin:0;font-size:14px;color:var(--text)}
.trust a{color:var(--brand)}
.final{background:var(--brand);color:#fff}
.final .wrap{display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;padding-block:56px}
.final h2{color:#fff;margin:0}
.final .cta{background:#fff;color:var(--brand)}

/* Inner pages */
.page-head{padding-block:48px 8px}
.page-head h1{font-size:clamp(30px,4.4vw,46px);margin:8px 0 10px}
.page-body{padding-block:24px 72px}
.search{display:flex;gap:10px;margin:24px 0 8px;max-width:560px}
.search input{flex:1;min-width:0;border:1px solid var(--line);border-radius:999px;padding:10px 18px;background:var(--surface);color:var(--ink)}
.search input:focus{outline:2px solid var(--brand);outline-offset:1px}
.result-note{color:var(--muted);font-size:14px;margin:4px 0 20px}
.result-note a{color:var(--brand)}
.pager{display:flex;gap:12px;justify-content:center;margin-top:32px}
.empty{background:var(--surface);border:1px dashed var(--line);border-radius:16px;padding:36px 24px;text-align:center}
.empty h2{font-size:22px}
.empty p{color:var(--text);margin:0 0 16px}
.back{display:inline-block;color:var(--brand);text-decoration:none;font-size:15px;margin-bottom:8px}
.byline{color:var(--muted);font-size:14px;margin:0}

/* Story detail: 当时 → 建议 → 后来 */
.timeline{position:relative;margin:28px 0 0;padding-left:28px}
.timeline:before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:var(--line)}
.tl{position:relative;margin-bottom:28px}
.tl:before{content:"";position:absolute;left:-28px;top:6px;width:16px;height:16px;border-radius:50%;background:var(--surface);border:3px solid var(--brand)}
.tl.done:before{background:var(--brand)}
.tl .label{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.08em}
.tl h2{font-size:22px;margin:4px 0 8px}
.tl p{margin:0 0 10px;color:var(--text);overflow-wrap:anywhere}
.tl .pic{border-radius:14px;margin:6px 0 12px;display:block}
.tl .msg{margin-bottom:10px}
.tl.later-box{background:var(--brand);color:#fff;border-radius:16px;padding:20px 22px}
.tl.later-box:before{background:var(--brand);border-color:var(--surface);box-shadow:0 0 0 2px var(--brand)}
.tl.later-box .label{color:#cfe6da}
.tl.later-box h2{color:#fff}
.tl.later-box p{color:#eaf4ee}
.note{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px 18px;font-size:14px;color:var(--muted)}
.note p{margin:0 0 6px}.note p:last-child{margin:0}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}

/* Topics and circles */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:8px;min-width:0;text-decoration:none}
.card h2{font-size:20px;margin:0}
.card h2 a{text-decoration:none}
.card p{margin:0;color:var(--text);font-size:15px}
.card ul{margin:4px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:6px;font-size:14px}
.card li{border-left:3px solid var(--brand-soft);padding-left:10px;color:var(--text)}
.card li a{text-decoration:none}
.card .foot{margin-top:auto;padding-top:6px;font-size:13px;color:var(--muted)}
.card .foot b{color:var(--brand)}
.circle-card{padding:0;overflow:hidden}
.circle-card .cover{aspect-ratio:16/9;background:var(--brand-soft);position:relative}
.circle-card .cover img{width:100%;height:100%;object-fit:cover;display:block}
.circle-card .cover span{position:absolute;left:12px;bottom:10px;background:rgba(255,255,255,.92);color:var(--brand-deep);font-size:12px;font-weight:700;border-radius:999px;padding:2px 10px}
.circle-card .inner{padding:16px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.circle-card .state{font-size:13px;color:var(--warm);font-weight:700}
.circle-hero{border-radius:20px;overflow:hidden;aspect-ratio:21/8;margin-top:12px;background:var(--brand-soft)}
.circle-hero img{width:100%;height:100%;object-fit:cover;display:block}

/* Documents */
.doc{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:28px 32px}
.doc h2{font-size:20px;margin:24px 0 8px}
.doc h2:first-child{margin-top:0}
.doc p{margin:0 0 10px;color:var(--text);overflow-wrap:anywhere}
.doc .doc-date{color:var(--muted);font-size:14px}
.doc details{border-top:1px solid var(--line);padding:12px 0}
.doc summary{cursor:pointer;font-weight:700}
.doc-nav{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px}
.doc-nav a{font-size:14px;text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:4px 12px;background:var(--surface)}
.doc-nav a[aria-current]{background:var(--brand);color:#fff;border-color:var(--brand)}

/* Open page */
.open-card{display:grid;grid-template-columns:220px 1fr;gap:28px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:28px}
.open-card img,.open-card .qr-fallback{width:220px;height:220px;border-radius:16px}
.open-card .qr-fallback{font-size:16px}
.open-card h2{font-size:24px}
.open-card ol{margin:8px 0 0;padding-left:20px;color:var(--text)}
.reading{background:var(--warm-soft);color:var(--warm);border-radius:12px;padding:10px 14px;margin:0 0 14px;font-size:15px}

/* Footer */
footer.site{background:var(--brand-deep);color:#cfe1d8;font-size:14px}
footer.site .wrap{padding-block:40px;display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:28px}
footer.site .brand{color:#fff}
footer.site h4{margin:0 0 10px;color:#fff;font-size:14px}
footer.site a{color:#cfe1d8;text-decoration:none}
footer.site a:hover{color:#fff;text-decoration:underline}
footer.site ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
footer.site .slogan{margin:10px 0 0}
footer.site .legal{grid-column:1/-1;border-top:1px solid #2f6b56;padding-top:18px;display:flex;flex-wrap:wrap;gap:6px 20px;font-size:13px}

/* Phone frame with mini program cards (home hero) */
.phone{justify-self:center;width:100%;max-width:340px;border:10px solid var(--ink);border-radius:38px;background:var(--paper);box-shadow:0 24px 60px rgba(15,74,56,.18);overflow:hidden}
.phone .screen{padding:18px 12px 20px;display:flex;flex-direction:column;gap:10px}
.pcard{background:var(--surface);border-radius:14px;padding:12px 14px;border:1px solid var(--line);min-width:0}
.pcard .who{display:flex;align-items:center;flex-wrap:wrap;gap:4px;font-size:12.5px;color:var(--muted)}
.pcard .who .tag{margin-left:2px}
.pcard .av{width:22px;height:22px;border-radius:50%;background:var(--brand-soft);color:var(--brand);font-size:11px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;margin-right:2px}
.pcard .q{font-weight:800;font-size:16px;line-height:1.45;margin-top:6px}
.pcard .q a{text-decoration:none}
.pcard .say{margin-top:4px;font-size:14px;overflow-wrap:anywhere}
.pcard.gold{border-color:#efd590}
.pcard.later{background:var(--brand);border-color:var(--brand);color:#fff}
.pcard.later .who{color:#cfe6da}
.pcard.later .say{color:#fff;font-weight:600}
.t-kind{background:var(--brand-soft);color:var(--brand)}
.t-hes{background:var(--warm-soft);color:var(--warm)}
/* 劝劝我 stances, 帮我选 duel and arena: the same colours as the app's vote buttons */
.stances{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:10px}
.st{border-radius:10px;padding:7px 4px;text-align:center;font-size:13px;font-weight:700;line-height:1.35;display:flex;flex-direction:column}
.st b{font-size:12px;font-weight:600;font-variant-numeric:tabular-nums}
.st-pause{background:var(--pause-soft);color:var(--pause)}.st-support{background:var(--support-soft);color:var(--support)}.st-depends{background:var(--depends-soft);color:var(--depends)}
.verdict{margin:8px 0 0;font-size:13px;font-weight:700;color:var(--warm);background:var(--warm-soft);border-radius:8px;padding:6px 10px}
.duel{display:grid;grid-template-columns:1fr auto 1fr;gap:6px;align-items:stretch;margin-top:10px}
.duel .side{border-radius:10px;padding:8px;font-size:13px;font-weight:700;display:flex;flex-direction:column;gap:2px;min-width:0;overflow-wrap:anywhere}
.duel .side-a{background:var(--warm-soft);color:var(--warm)}.duel .side-b{background:var(--depends-soft);color:var(--depends)}
.duel .side i,.arena i{font-style:normal;font-size:11px;opacity:.75}
.duel .side b,.arena b{font-size:12px;font-variant-numeric:tabular-nums}
.duel .lead1{box-shadow:inset 0 0 0 2px currentColor}
.duel .vs{align-self:center;font-size:11px;font-weight:800;color:var(--muted)}
.arena{display:flex;flex-direction:column;gap:5px;margin-top:10px}
.arena span{display:flex;align-items:center;gap:8px;border-radius:8px;padding:6px 10px;background:var(--paper);font-size:13px}
.arena span b{margin-left:auto}
.arena .lead1{background:var(--warm-soft);color:var(--warm);font-weight:700}
.m-open{display:none}
/* 怎么玩: four steps */
.howto{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:s}
.howto .step h3{font-size:18px}
/* Circle tiles: the circle's own tone shows until the picture arrives */
.mini-circles{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.mini-circle{display:flex;flex-direction:column;gap:4px;text-decoration:none;min-width:0}
.mini-circle .cover{display:block;aspect-ratio:16/9;border-radius:14px;overflow:hidden;margin-bottom:6px;background:var(--tone,var(--brand-soft))}
.mini-circle .cover img{width:100%;height:100%;object-fit:cover;display:block}
.mini-circle b{font-size:16px}
.mini-circle small{font-size:13px;color:var(--muted)}
.mini-circle:hover b{color:var(--brand)}
.tone-peach{--tone:var(--tone-peach)}.tone-sage{--tone:var(--tone-sage)}.tone-blue{--tone:var(--tone-blue)}.tone-sand{--tone:var(--tone-sand)}
.circle-card .cover{background:var(--tone,var(--brand-soft))}
@media (max-width:860px){
  .hero .wrap{grid-template-columns:1fr;padding-block:28px 40px;gap:24px}
  .open-box{display:none}
  .m-open{display:flex;justify-content:space-between;align-items:center;margin-top:20px;background:var(--brand);color:#fff;text-decoration:none;font-weight:700;font-size:16px;border-radius:14px;padding:14px 18px}
  .phone{max-width:none;border:0;border-radius:0;box-shadow:none;background:none}
  .phone .screen{padding:0}
  .howto{grid-template-columns:1fr 1fr}
  .mini-circles{grid-template-columns:1fr 1fr}
}
@media (max-width:420px){.howto{grid-template-columns:1fr}}
@media (min-width:861px) and (max-width:1020px){.howto{grid-template-columns:1fr 1fr}}

@media (max-width:860px){
  nav.top{display:none}
  .menu{display:block;margin-left:auto}
  header.site .cta{padding:8px 14px;font-size:14px}
  .hero .wrap{grid-template-columns:1fr;padding-block:36px 48px;gap:32px}
  .voices,.cases,.steps,.grid{grid-template-columns:1fr}
  .trust{grid-template-columns:1fr 1fr}
  section.band{padding-block:52px}
  .open-card{grid-template-columns:1fr;justify-items:start}
  .doc{padding:20px}
  footer.site .wrap{grid-template-columns:1fr}
}
@media (max-width:420px){
  .brand{font-size:19px}.brand img{width:30px;height:30px}
  header.site .wrap{gap:12px}
  .open-box{flex-direction:column;align-items:flex-start}
  .trust{grid-template-columns:1fr}
  .poll{flex-direction:column}
}
@media (min-width:861px) and (max-width:1020px){.cases,.grid{grid-template-columns:repeat(2,1fr)}}