:root{
  --paper:#F3F5EF; --surface:#FFFFFF; --surface-2:#EAEDE4;
  --ink:#14201A; --ink-2:#3E4B43; --muted:#727A70; --line:#DBDED4;
  --accent:#2E6B4E; --accent-ink:#FFFFFF; --accent-soft:#E1EEE5;
  --signal:#B8402A; --signal-soft:#F7E7E2;
  --gold:#8F6716; --gold-soft:#F3EBD8;
  --g1:#37815E; --g2:#245239; --g3:#1B4130;
  --shadow:0 1px 2px rgba(20,32,26,.05),0 18px 44px -26px rgba(20,32,26,.38);
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --paper:#0E120E; --surface:#171C17; --surface-2:#212721;
  --ink:#E9EBE5; --ink-2:#BCC3BA; --muted:#8D958B; --line:#2B322B;
  --accent:#7FBE9B; --accent-ink:#0F130F; --accent-soft:#1A2A21;
  --signal:#E58063; --signal-soft:#2C1E19;
  --gold:#D6AC5C; --gold-soft:#2A2317;
  --g1:#2C6248; --g2:#1D4531; --g3:#153524;
  --shadow:0 1px 2px rgba(0,0,0,.5),0 18px 44px -26px rgba(0,0,0,.9);
}}
:root[data-theme="dark"]{
  --paper:#0E120E; --surface:#171C17; --surface-2:#212721;
  --ink:#E9EBE5; --ink-2:#BCC3BA; --muted:#8D958B; --line:#2B322B;
  --accent:#7FBE9B; --accent-ink:#0F130F; --accent-soft:#1A2A21;
  --signal:#E58063; --signal-soft:#2C1E19;
  --gold:#D6AC5C; --gold-soft:#2A2317;
  --g1:#2C6248; --g2:#1D4531; --g3:#153524;
  --shadow:0 1px 2px rgba(0,0,0,.5),0 18px 44px -26px rgba(0,0,0,.9);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:
    radial-gradient(1100px 480px at 50% -120px, var(--accent-soft), transparent 70%),
    radial-gradient(800px 420px at 108% 12%, var(--gold-soft), transparent 70%),
    var(--paper);
  background-attachment:fixed;
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  line-height:1.75;-webkit-font-smoothing:antialiased;font-size:16px;
}
.en{font-family:"IBM Plex Mono",ui-monospace,monospace;letter-spacing:.005em}
.app{max-width:520px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;
  padding-bottom:env(safe-area-inset-bottom)}
.screen{display:none;flex:1;flex-direction:column;padding:0 20px 40px}
.screen.on{display:flex}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none;color:inherit}
button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* 品牌条 */
.apphead{display:flex;align-items:center;gap:10px;padding:18px 20px 0;font-weight:800;font-size:16px}
.apphead .lg{width:32px;height:32px;flex:none;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;background:linear-gradient(135deg,var(--g1),var(--g3));box-shadow:0 6px 14px -6px rgba(31,78,56,.5)}
.apphead .mono{font-family:"IBM Plex Mono",monospace;font-weight:500;font-size:12px;color:var(--muted);margin-left:2px}

/* 首页 */
.hero{margin:14px 0 0;padding:34px 26px 28px;border-radius:20px;color:#fff;position:relative;overflow:hidden;
  background:linear-gradient(140deg,var(--g1) 0%,var(--g2) 55%,var(--g3) 100%);
  box-shadow:0 28px 56px -28px rgba(27,65,48,.6)}
.hero::before{content:"🐉";position:absolute;right:-18px;top:-14px;font-size:130px;line-height:1;
  opacity:.14;transform:rotate(12deg);pointer-events:none}
.brandline{font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.18em;
  text-transform:uppercase;color:#BFE3CC;margin-bottom:20px;position:relative}
h1{font-size:33px;line-height:1.28;font-weight:900;margin:0 0 16px;letter-spacing:-.02em;text-wrap:balance}
.hero h1{color:#fff;position:relative}
.hero p{color:rgba(255,255,255,.88);margin:0 0 10px;font-size:15.5px;position:relative}
.samples{margin:24px 0 0;position:relative}
.samples div{border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.09);
  border-radius:12px;padding:12px 15px;margin-bottom:9px;font-size:14.5px;color:rgba(255,255,255,.82)}
.samples b{display:block;color:#fff;font-weight:500;margin-bottom:2px}
.samples .en{color:#FFD98A}
.hero .ensub{color:rgba(255,255,255,.6)}
.btn{display:block;width:100%;text-align:center;padding:17px;border-radius:14px;
  background:linear-gradient(135deg,var(--g1),var(--g3));color:#fff;font-weight:700;font-size:17px;
  box-shadow:0 14px 28px -12px rgba(46,107,78,.55);transition:transform .12s ease,filter .12s ease}
.btn:hover{filter:brightness(1.07)}
.btn:active{transform:scale(.985)}
.btn[disabled]{opacity:.55;cursor:default;transform:none}
.btn.ghost{background:transparent;color:var(--accent);border:1.5px solid var(--accent);box-shadow:none}
.btn.quiet{background:var(--surface-2);color:var(--ink);box-shadow:none;font-weight:500}
.stickyfoot{position:static;padding:22px 0 20px;margin-top:auto}
.stickyfoot.flat{position:static;background:none;padding-top:28px}
.fineprint{font-size:12.5px;color:var(--muted);text-align:center;margin:10px 0 0;line-height:1.6}

.paymarks{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;margin:14px 0 0}
.pm{font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:99px;
  padding:3px 11px;background:var(--surface);white-space:nowrap}
.pm-alipay{color:var(--accent);border-color:var(--accent);background:var(--accent-soft);font-weight:500}
.linkbtn{color:var(--accent);text-decoration:underline;text-underline-offset:3px;
  font-size:13px;padding:6px 0;font-weight:500}

/* 测试 */
.qbar{position:sticky;top:0;background:var(--paper);padding:16px 0 12px;z-index:5}
.qbar .row{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px;
  font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.track{height:4px;background:var(--surface-2);border-radius:3px;overflow:hidden}
.fill{height:100%;background:linear-gradient(90deg,var(--g1),var(--accent));width:0;transition:width .3s cubic-bezier(.4,0,.2,1)}
.modtag{display:inline-block;font-size:11.5px;letter-spacing:.1em;color:var(--accent);
  background:var(--accent-soft);padding:3px 10px;border-radius:99px;margin:18px 0 12px;font-weight:500;align-self:flex-start}
.qtext{font-size:20px;font-weight:700;line-height:1.5;margin:0 0 22px;text-wrap:balance}
.qtext .en{font-weight:500;font-size:.9em;background:var(--gold-soft);padding:2px 6px;border-radius:6px;
  display:inline-block;color:var(--ink)}
.opts{display:flex;flex-direction:column;gap:10px}
.opt{width:100%;text-align:left;padding:15px 16px;border-radius:12px;background:var(--surface);
  border:1.5px solid var(--line);display:flex;gap:12px;align-items:flex-start;line-height:1.6;
  box-shadow:0 1px 2px rgba(20,32,26,.04);transition:border-color .15s,background .15s,transform .12s}
.opt .k{font-family:"IBM Plex Mono",monospace;font-weight:600;color:var(--muted);flex:none;font-size:14px;padding-top:1px}
.opt:hover:not(:disabled){border-color:var(--accent);transform:translateY(-1px)}
.opt.right{border-color:var(--accent);background:var(--accent-soft)}
.opt.right .k{color:var(--accent)}
.opt.wrong{border-color:var(--signal);background:var(--signal-soft)}
.opt.wrong .k{color:var(--signal)}
.opt:disabled{cursor:default}
.why{margin:16px 0 0;padding:14px 16px;border-radius:12px;background:var(--surface-2);
  font-size:14.5px;line-height:1.7;color:var(--ink-2);display:none}
.why.on{display:block}
.why b{color:var(--ink)}

/* 结果 */
.scorewrap{text-align:center;padding:44px 0 10px}
.bignum{font-family:"IBM Plex Mono",monospace;font-size:80px;font-weight:600;line-height:1;
  letter-spacing:-.04em;font-variant-numeric:tabular-nums;color:var(--accent)}
.bignum small{font-size:22px;color:var(--muted);margin-left:2px}
.grade{font-size:23px;font-weight:900;margin:14px 0 8px}
.verdict{color:var(--ink-2);font-size:15.5px;margin:0 auto;max-width:30ch}
.bars{margin:34px 0 0;background:var(--surface);border:1px solid var(--line);border-radius:16px;
  padding:20px;box-shadow:var(--shadow)}
.bars h3{font-size:13px;letter-spacing:.1em;color:var(--muted);font-weight:500;margin:0 0 14px;
  text-transform:uppercase;font-family:"IBM Plex Mono",monospace}
.bar{margin-bottom:16px}
.bar:last-child{margin-bottom:2px}
.bar .lbl{display:flex;justify-content:space-between;font-size:14.5px;margin-bottom:6px}
.bar .lbl b{font-weight:500}
.bar .lbl span{font-family:"IBM Plex Mono",monospace;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.bar .t{height:8px;background:var(--surface-2);border-radius:5px;overflow:hidden}
.bar .f{height:100%;border-radius:5px;width:0;transition:width .7s cubic-bezier(.4,0,.2,1)}
.bar.weak .f{background:var(--signal)} .bar.mid .f{background:var(--gold)} .bar.ok .f{background:var(--accent)}
.bar.weak .lbl span{color:var(--signal);font-weight:600}
.pitch,.buybox{margin:34px 0 0;padding:22px;border-radius:16px;background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--shadow)}
.pitch h3,.buybox h3{margin:0 0 10px;font-size:18px;font-weight:900}
.pitch p{margin:0 0 14px;font-size:14.5px;color:var(--ink-2)}
.pitch ul{margin:0 0 18px;padding-left:1.15em;font-size:14.5px;color:var(--ink-2)}
.pitch li{margin-bottom:6px}

/* 购买 */
.buybox{border-color:var(--accent)}
.price{display:flex;align-items:baseline;gap:8px;margin:0 0 4px}
.price .n{font-family:"IBM Plex Mono",monospace;font-size:40px;font-weight:600;letter-spacing:-.03em}
.price .u{color:var(--muted);font-size:14px}
.paybtns{display:flex;flex-direction:column;gap:10px;margin:18px 0 0}
.paybtn{width:100%;padding:15px 16px;border-radius:12px;border:1.5px solid var(--line);
  background:var(--surface);text-align:left;display:flex;justify-content:space-between;
  align-items:center;gap:12px;transition:border-color .15s}
.paybtn:hover:not([disabled]){border-color:var(--accent)}
.paybtn b{display:block;font-size:15.5px}
.paybtn small{display:block;color:var(--muted);font-size:12.5px;line-height:1.5;margin-top:2px}
.paybtn .amt{font-family:"IBM Plex Mono",monospace;font-weight:600;font-size:17px;flex:none}
.paybtn.primary{border-color:var(--accent);background:var(--accent-soft)}
.promonote{margin:14px 0 0;padding:12px 14px;border-radius:10px;background:var(--gold-soft);
  font-size:13.5px;line-height:1.7}
.errbox{margin:14px 0 0;padding:12px 14px;border-radius:10px;background:var(--signal-soft);
  border:1px solid var(--signal);font-size:13.5px;display:none}
.errbox.on{display:block}

/* 中英对照 */
.ensub{
  display:block;color:var(--muted);font-weight:400;
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:.66em;line-height:1.5;letter-spacing:.02em;margin-top:3px;
}
.ensub.inline{display:inline;margin:0 0 0 .5em;font-size:.82em}
.ensub.inline::before{content:"/ ";opacity:.5}
.btn .ensub{color:currentColor;opacity:.72;font-size:.7em;margin-top:2px}
.nowcard .ensub{color:currentColor;opacity:.72}
.opt .ensub,.qtext .ensub{font-size:.75em}
h1 .ensub{font-size:.4em;letter-spacing:.04em;margin-top:10px}
h2 .ensub{font-size:.46em;letter-spacing:.03em;margin-top:7px}
.sec .ensub.inline{font-size:.9em}
.pm .ensub.inline{margin-left:.35em}
.ribbon .ensub.inline{color:currentColor;opacity:.8}

/* 语言开关 */
.langbar{position:fixed;top:0;right:0;padding:10px 12px;z-index:50}
.langtoggle{display:flex;gap:2px;padding:2px;border-radius:99px;
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow)}
.langtoggle button{font-size:11.5px;font-weight:500;padding:5px 11px;border-radius:99px;
  color:var(--muted);white-space:nowrap;font-family:"IBM Plex Mono",ui-monospace,monospace}
.langtoggle button.on{background:var(--accent);color:var(--accent-ink)}
.app{padding-top:8px}
.hero{margin-top:14px}

/* 推荐 */
.reco{margin:34px 0 0;padding:24px;border-radius:16px;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--surface)}
.reco-protect{background:var(--accent-soft);border-color:var(--accent)}
.reco-upgrade{background:var(--gold-soft);border-color:var(--gold)}
.reco-tag{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;margin-bottom:12px}
.reco-protect .reco-tag{color:var(--accent)}
.reco-upgrade .reco-tag{color:var(--gold)}
.reco h3{margin:0 0 14px;font-size:21px;font-weight:900;line-height:1.4;text-wrap:balance}
.reco p{margin:0 0 12px;font-size:15px;line-height:1.85;color:var(--ink)}
.reco-punch{font-size:17px!important;font-weight:700;margin:18px 0 20px!important;line-height:1.7!important}

/* 产品卡 */
.plan{background:var(--surface);border:1px solid var(--line);border-radius:18px;
  padding:22px;margin:16px 0 0;box-shadow:var(--shadow);position:relative}
.plan.primary{border:2px solid var(--accent);padding:22px 21px;box-shadow:0 0 0 4px var(--accent-soft),var(--shadow)}
.plan.flash{animation:flash 1.2s ease}
@keyframes flash{0%,100%{box-shadow:var(--shadow)}30%{box-shadow:0 0 0 4px var(--accent-soft),var(--shadow)}}
.ribbon{position:absolute;top:-11px;left:20px;background:var(--accent);color:var(--accent-ink);
  font-size:11.5px;font-weight:700;letter-spacing:.08em;padding:3px 11px;border-radius:99px}
.plan h4{margin:0 0 8px;font-size:16px;font-weight:700}
.plan .price{margin:0 0 6px}
.plan-note{font-size:13.5px;color:var(--muted);margin:0 0 14px}
.plan ul{margin:0 0 18px;padding-left:1.15em;font-size:14.5px;color:var(--ink-2)}
.plan li{margin-bottom:7px}
.plan .fineprint{text-align:left;margin-top:10px}
.plan .paybtns{margin:0}
.payhead{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted);margin:16px 0 8px}
.payhead:first-child{margin-top:4px}
.paynote{font-size:13px;color:var(--ink-2);background:var(--gold-soft);border-radius:8px;
  padding:11px 13px;margin:0 0 10px;line-height:1.7}
.paybtn.quiet{opacity:.82}
.paybtn .amt i{font-style:normal;font-size:.68em;color:var(--muted);margin-left:1px}
.payslot:empty{display:none}

/* 场景库 */
.nowcard{margin:26px 0 0;padding:24px;border-radius:18px;
  background:linear-gradient(140deg,var(--g1),var(--g3));
  color:#fff;cursor:pointer;box-shadow:0 24px 48px -24px rgba(27,65,48,.6)}
.nowcard:hover{filter:brightness(1.06)}
.nowtag{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;opacity:.8;margin-bottom:10px}
.nowcard h3{margin:0 0 8px;font-size:24px;font-weight:900}
.nowcard p{margin:0 0 14px;font-size:15px;opacity:.92;line-height:1.7}
.nowgo{font-size:14px;font-weight:700;opacity:.9}
.cal{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.calcell{text-align:left;padding:14px;border-radius:12px;background:var(--surface);
  border:1px solid var(--line);display:flex;flex-direction:column;gap:5px;
  box-shadow:0 1px 2px rgba(20,32,26,.04);transition:border-color .15s,transform .12s}
.calcell:hover{border-color:var(--accent);transform:translateY(-1px)}
.calcell.now{border-color:var(--accent);background:var(--accent-soft)}
.calcell .m{font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--muted);letter-spacing:.08em}
.calcell b{font-size:15.5px;font-weight:700;line-height:1.35}
.cat{font-size:11px;padding:1px 7px;border-radius:99px;align-self:flex-start;
  border:1px solid var(--line);color:var(--muted)}
.cat-工作{color:var(--accent);border-color:var(--accent)}
.cat-保命{color:var(--signal);border-color:var(--signal)}

/* 场景详情 */
.facts{display:flex;flex-direction:column;gap:10px}
.fact{background:var(--gold-soft);border-left:3px solid var(--gold);border-radius:0 10px 10px 0;
  padding:13px 16px;font-size:14.5px;line-height:1.8}
.ph .pn{font-size:13px;color:var(--gold);background:var(--gold-soft);border-radius:6px;
  padding:6px 10px;margin:0 0 12px;line-height:1.6}
.lock{margin:20px 0 0;padding:24px;border-radius:14px;background:var(--surface-2);
  border:1px dashed var(--line);text-align:center}
.lock b{display:block;font-size:16px;margin-bottom:8px}
.lock p{margin:0 0 16px;font-size:14px;color:var(--muted)}

/* 表单 */
.flabel{display:block;font-size:13.5px;color:var(--muted);margin-bottom:8px}
.finput{width:100%;padding:14px 15px;border-radius:10px;border:1.5px solid var(--line);
  background:var(--surface);color:var(--ink);font-family:inherit;font-size:16px}
.finput:focus{outline:none;border-color:var(--accent)}

/* 场景页头 */
.lesson-head{padding:36px 0 0}
.lesson-head .day{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.16em;
  color:var(--accent);text-transform:uppercase;margin-bottom:12px}
.lesson-head h2{font-size:25px;font-weight:900;margin:0 0 10px;line-height:1.35;text-wrap:balance}
.lesson-head p{color:var(--ink-2);font-size:15px;margin:0}
.scene{margin:26px 0 0;padding:18px 20px;border-radius:12px;background:var(--gold-soft);border:1px solid var(--line)}
.scene .tag{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--gold);margin-bottom:8px}
.scene p{margin:0;font-size:14.5px;color:var(--ink);line-height:1.75}
.phrases{margin:30px 0 0;display:flex;flex-direction:column;gap:10px}
.ph{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:15px 16px;box-shadow:var(--shadow)}
.ph .n{font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--muted);margin-bottom:6px}
.ph .e{font-family:"IBM Plex Mono",monospace;font-size:16.5px;font-weight:500;line-height:1.55;
  margin-bottom:5px;letter-spacing:-.01em}
.ph .c{font-size:14.5px;color:var(--ink-2);margin-bottom:12px}
.ph .plays{display:flex;gap:8px}
.play{padding:8px 14px;border-radius:8px;background:var(--surface-2);font-size:13.5px;
  font-weight:500;display:inline-flex;align-items:center;gap:6px;transition:background .15s}
.play:hover{background:var(--accent-soft)}
.play.on{background:var(--accent);color:var(--accent-ink)}
.play svg{width:13px;height:13px;flex:none}
.warnbox{margin:22px 0 0;padding:14px 16px;border-radius:10px;background:var(--signal-soft);
  border:1px solid var(--signal);font-size:13.5px;color:var(--ink);line-height:1.7}
h3.sec{font-size:13px;letter-spacing:.1em;color:var(--muted);font-weight:500;
  text-transform:uppercase;font-family:"IBM Plex Mono",monospace;margin:40px 0 14px}
.mini{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px;margin-bottom:12px}
.mini .q{font-size:16px;font-weight:700;margin:0 0 14px;line-height:1.55}
.mini .opts{gap:8px}
.mini .opt{padding:12px 14px;font-size:14.5px}
.donebar{margin:34px 0 0;text-align:center}
.donebar p{color:var(--muted);font-size:13.5px;margin:0 0 14px}
.topnav{padding:16px 0 0}
.back{font-size:14px;color:var(--muted);display:inline-flex;align-items:center;gap:6px;padding:6px 0}
.back:hover{color:var(--accent)}

/* 成功页 */
.done{padding:64px 20px 40px;max-width:480px;margin:0 auto;text-align:center}
.done h1{font-size:28px;margin-bottom:8px}
.codebox{margin:28px 0;padding:26px 20px;border-radius:14px;background:var(--accent-soft);
  border:2px dashed var(--accent)}
.codebox .lbl{font-size:12.5px;color:var(--muted);letter-spacing:.1em;margin-bottom:10px;
  font-family:"IBM Plex Mono",monospace;text-transform:uppercase}
.codebox .code{font-family:"IBM Plex Mono",monospace;font-size:32px;font-weight:600;
  letter-spacing:.06em;color:var(--accent);word-break:break-all}
.steps{text-align:left;margin:0;padding-left:1.2em;color:var(--ink-2);font-size:15px}
.steps li{margin-bottom:10px}
.spinner{display:inline-block;width:22px;height:22px;border:2.5px solid var(--line);
  border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* 三档定价 */
.plan.tier .price .n{font-size:36px}
.tierlist{margin:0 0 18px;padding-left:1.15em;font-size:14.5px;color:var(--ink-2)}
.tierlist li{margin-bottom:6px}
.tierlist li:first-child{color:var(--muted)}
.ribbon.alt{background:var(--gold);color:#fff;left:auto;right:20px}
.subline{margin:22px 0 0;padding:16px 18px;border-radius:12px;background:var(--surface-2);
  font-size:14px;color:var(--ink-2);line-height:1.8}
.subline .linkbtn{display:inline;font-size:14px}
.reco-t1{background:var(--signal-soft);border-color:var(--signal)}
.reco-t1 .reco-tag{color:var(--signal)}
.reco-t2{background:var(--gold-soft);border-color:var(--gold)}
.reco-t2 .reco-tag{color:var(--gold)}
.reco-t3{background:var(--accent-soft);border-color:var(--accent)}
.reco-t3 .reco-tag{color:var(--accent)}

/* 场景库：锁 */
.calcell.locked{opacity:.68}
.calcell.locked b{color:var(--muted)}
.lockmark{font-size:10.5px;color:var(--muted);border:1px dashed var(--line);
  border-radius:99px;padding:1px 7px;align-self:flex-start;
  font-family:"IBM Plex Mono",ui-monospace,monospace}
.secnote{font-size:13.5px;color:var(--muted);margin:-6px 0 14px;line-height:1.7}
.seccount{float:right;font-size:11px;color:var(--muted);letter-spacing:0}

/* 朗读按钮 */
.play.tiny{padding:5px 10px;font-size:12px;margin-top:10px}
.play.zh{background:var(--gold-soft);color:var(--gold)}
.play.zh.on{background:var(--gold);color:#fff}
.plays{flex-wrap:wrap}
.fact{display:flex;flex-direction:column;align-items:flex-start}
.fact-t{width:100%}
.mini .play.tiny{margin:0 0 14px}

/* 水印 */
.watermark{
  position:fixed;inset:0;z-index:0;pointer-events:none;display:none;
  font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:13px;
  color:var(--ink);opacity:.045;overflow:hidden;white-space:pre;
  line-height:5;letter-spacing:.3em;transform:rotate(-24deg) scale(1.6);
  text-align:center;
}
.watermark::after{content:attr(data-x)}
.app{position:relative;z-index:1}

/* 表单补充 */
.finput.mono{font-family:"IBM Plex Mono",ui-monospace,monospace;letter-spacing:.08em;text-transform:uppercase}
.okbox{margin:14px 0 0;padding:12px 14px;border-radius:10px;background:var(--accent-soft);
  border:1px solid var(--accent);font-size:14px;display:none}
.okbox.on{display:block}
.dim{color:var(--muted);font-size:13px}
.errbox .btn{margin-top:10px}

/* ══ 内容样例 + 三档对比 ══ */
.pvrow{display:flex;flex-direction:column;gap:10px;margin:0 0 8px}
.cmpwrap{overflow-x:auto;margin:0 0 8px;-webkit-overflow-scrolling:touch}
.cmp{width:100%;min-width:460px;border-collapse:separate;border-spacing:0;background:var(--surface);
  border:1px solid var(--line);border-radius:14px;overflow:hidden;font-size:13.5px;box-shadow:var(--shadow)}
.cmp th,.cmp td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:center;line-height:1.5}
.cmp tr:last-child th,.cmp tr:last-child td{border-bottom:none}
.cmp th{font-weight:700}
.cmp thead th{background:var(--surface-2);font-size:13px}
.cmp thead th small{display:block;font-family:"IBM Plex Mono",monospace;font-weight:500;color:var(--muted);font-size:11px}
.cmp th[scope=row]{text-align:left;font-weight:500;color:var(--ink-2);min-width:150px}
.cmp th[scope=row] small{display:block;color:var(--muted);font-size:11.5px;font-weight:400}
.cmp .y{color:var(--accent);font-weight:700}
.cmp .n0{color:var(--line)}
.cmp .pr{font-family:"IBM Plex Mono",monospace;font-weight:600;font-size:15px}
.cmp .best{background:var(--accent-soft)}

/* ══ 桌面端 ══ */
@media (min-width:720px){
  .app{max-width:560px}
  h1{font-size:37px}
  .hero{padding:42px 34px 34px}
}
@media (min-width:980px){
  #plans,#plans-direct{
    display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;align-items:start;
    width:min(94vw,1000px);margin-left:50%;transform:translateX(-50%);
  }
  #plans>.subline,#plans-direct>.subline,
  #plans>.payslot,#plans-direct>.payslot,
  #plans>.errbox,#plans-direct>.errbox{grid-column:1/-1}
  .compare-block{width:min(94vw,1000px);margin-left:50%;transform:translateX(-50%)}
  .pvrow{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:start}
  .cal{grid-template-columns:1fr 1fr 1fr}
}

.spk{display:inline-flex;align-items:center;justify-content:center;margin-left:7px;width:26px;height:26px;border-radius:99px;background:var(--accent-soft);font-size:13px;cursor:pointer;vertical-align:middle;user-select:none;transition:background .15s,transform .12s}
.spk:hover{background:var(--accent);transform:scale(1.08)}
.hero .spk,.samples .spk{background:rgba(255,255,255,.18)}
.hero .spk:hover{background:rgba(255,255,255,.34)}
.opt .spk{width:24px;height:24px;font-size:12px}
\n.spk.zh{width:auto;height:24px;padding:0 8px;background:var(--gold-soft);color:var(--gold);font-size:12px;font-weight:600}\n.spk.zh:hover{background:var(--gold);color:#fff}\n.hero .spk.zh,.samples .spk.zh{background:rgba(255,255,255,.18);color:#FFD98A}\n.hero .spk.zh:hover{background:rgba(255,255,255,.34)}\n.why .spk.zh{margin-left:0;margin-top:6px;display:inline-flex}\n
.qreads{display:flex;gap:8px;margin:-8px 0 18px;flex-wrap:wrap}
.qreads .play{font-weight:600}

.perday{margin:-2px 0 10px;font-size:13px;color:var(--accent);font-weight:700}
.promo{margin:20px 0 0}
.promo .finput{text-transform:uppercase}
.qreads{display:none}
@media (min-width:980px){#plans>.promo,#plans-direct>.promo{grid-column:1/-1}}
\n#stopspeak{position:fixed;left:50%;bottom:18px;transform:translateX(-50%) translateY(90px);z-index:60;padding:11px 24px;border-radius:99px;background:var(--ink);color:var(--paper);font-size:14px;font-weight:700;box-shadow:0 14px 34px -10px rgba(0,0,0,.45);transition:transform .25s ease;cursor:pointer}\n#stopspeak.on{transform:translateX(-50%) translateY(0)}\n.spk.on{background:var(--accent);color:#fff}\n