@font-face{font-family:"Plex";src:url("/assets/fonts/IBMPlexSans-Regular.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Plex";src:url("/assets/fonts/IBMPlexSans-Medium.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Plex";src:url("/assets/fonts/IBMPlexSans-SemiBold.woff2") format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Plex";src:url("/assets/fonts/IBMPlexSans-Bold.woff2") format("woff2");font-weight:700;font-display:swap}

:root{
  --ink:#1B2A3A; --ink-2:#24384D; --seal:#B3261E; --seal-dk:#951F18; --paper:#EEF1F4; --sheet:#fff;
  --rule:#D3DAE1; --muted:#5B6773; --blush:#F2A89E; --mist:#C9D3DD;
  --font:"Plex","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --wrap:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--sheet);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink)}
:focus-visible{outline:3px solid var(--seal);outline-offset:3px;border-radius:2px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;z-index:20}
.skip:focus{left:8px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:6px;font-weight:600;font-size:16px;text-decoration:none;border:2px solid transparent;cursor:pointer;font-family:inherit;line-height:1.2;transition:background-color .15s,border-color .15s,color .15s}
.btn-seal{background:var(--seal);color:#fff}
.btn-seal:hover{background:var(--seal-dk)}
.btn-ink{background:var(--ink);color:#fff;padding:9px 16px;font-size:15px}
.btn-ink:hover{background:var(--ink-2)}
.btn-line{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-line:hover{background:var(--ink);color:#fff}

/* header */
.top{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.94);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--rule)}
.top-in{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;text-decoration:none;letter-spacing:-.01em}
.brand img{transform:rotate(-4deg)}
.top nav{margin-left:auto;display:flex;align-items:center;gap:26px}
.top nav a:not(.btn){text-decoration:none;font-size:15px;color:var(--muted);font-weight:500}
.top nav a:not(.btn):hover{color:var(--ink)}

/* hero */
.hero{background:var(--paper);overflow:hidden;border-bottom:1px solid var(--rule)}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;min-height:620px;padding-top:56px;padding-bottom:56px}
.hero h1{font-size:clamp(38px,5vw,60px);line-height:1.04;letter-spacing:-.025em;margin:0;font-weight:700;max-width:14ch}
.lede{font-size:20px;color:#3A4652;margin:22px 0 30px;max-width:34em}
.actions{display:flex;flex-wrap:wrap;gap:12px}
.facts{list-style:none;padding:0;margin:30px 0 0;display:flex;flex-wrap:wrap;gap:10px 26px;font-size:15px;color:var(--muted)}
.facts li{display:flex;align-items:center;gap:8px}
.facts li:before{content:"";width:8px;height:8px;background:var(--seal);border-radius:1px;transform:rotate(45deg)}
.hero-art{position:relative;height:520px}
.doc{position:absolute;box-shadow:0 30px 70px rgba(27,42,58,.22);border-radius:6px;background:#fff}
.doc-a{width:78%;left:4%;top:0;transform:rotate(-3deg)}
.doc-b{width:48%;right:0;top:120px;height:380px;overflow:hidden;transform:rotate(3deg);border:1px solid var(--rule)}
.doc-b img{width:100%}
.stamp{position:absolute;width:118px;height:118px;left:40%;top:330px;transform:rotate(-12deg);filter:drop-shadow(0 8px 16px rgba(179,38,30,.35));animation:stamp .55s cubic-bezier(.2,1.6,.4,1) .35s both}
@keyframes stamp{from{opacity:0;transform:rotate(-12deg) scale(1.9)}to{opacity:1;transform:rotate(-12deg) scale(1)}}

/* tools */
.tools{padding:96px 0 0}
.family{max-width:720px;margin:0 0 48px}
.family-2{margin-top:120px}
.family h2{font-size:clamp(30px,3.4vw,42px);letter-spacing:-.02em;line-height:1.1;margin:0 0 12px}
.family p{color:var(--muted);font-size:18px;margin:0}
.tool{display:grid;grid-template-columns:1.25fr 1fr;gap:56px;align-items:center;margin-bottom:88px}
.tool.flip .tool-img{order:2}
.tool-img{border:1px solid var(--rule);border-radius:8px;overflow:hidden;box-shadow:0 18px 40px rgba(27,42,58,.10);background:var(--paper)}
.tool h3{font-size:26px;letter-spacing:-.015em;line-height:1.2;margin:0 0 12px}
.tool p{margin:0 0 16px;color:#3A4652}
.ticks{list-style:none;padding:0;margin:0 0 24px}
.ticks li{position:relative;padding-left:26px;margin:7px 0;font-size:16px}
.ticks li:before{content:"";position:absolute;left:2px;top:9px;width:12px;height:7px;border-left:2.5px solid var(--seal);border-bottom:2.5px solid var(--seal);transform:rotate(-45deg)}

.bundle{background:var(--ink);color:#fff;margin-top:8px}
.bundle-in{display:flex;align-items:center;justify-content:space-between;gap:32px;padding-top:44px;padding-bottom:44px}
.bundle h3{font-size:28px;margin:0 0 6px;letter-spacing:-.015em}
.bundle p{margin:0;color:var(--mist);max-width:40em}

/* guide */
.guide{background:var(--paper);padding:100px 0}
.guide-in{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px;align-items:center}
.guide-art{position:relative;height:430px}
.guide-art img{position:absolute;width:62%;border-radius:4px;box-shadow:0 22px 50px rgba(27,42,58,.22)}
.g1{right:4%;top:28px;transform:rotate(5deg)}
.g2{left:4%;top:0;transform:rotate(-4deg)}
.guide h2{font-size:clamp(28px,3vw,38px);letter-spacing:-.02em;line-height:1.12;margin:0 0 14px}
.guide-copy>p{color:#3A4652;margin:0 0 26px;max-width:36em}
.signup label[for=email]{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.signup-row{display:flex;gap:10px;flex-wrap:wrap}
.signup input[type=email]{flex:1;min-width:220px;padding:12px 14px;font:inherit;font-size:16px;border:2px solid var(--rule);border-radius:6px;background:#fff}
.signup input[type=email]:focus{border-color:var(--ink);outline:none}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#3A4652;margin-top:14px;cursor:pointer}
.consent input{margin-top:4px;width:17px;height:17px;accent-color:var(--seal);flex:none}
.fine{font-size:13px;color:var(--muted);margin:14px 0 0}

/* about */
.about{padding:110px 0}
.about-in{display:grid;grid-template-columns:.7fr 1.3fr;gap:64px;align-items:start}
.glyph{user-select:none;-webkit-user-select:none;caret-color:transparent;font-size:clamp(160px,20vw,280px);line-height:.9;color:var(--seal);font-weight:600;text-align:center;font-family:"Noto Serif SC","Songti SC","SimSun",serif}
.about h2{font-size:clamp(28px,3vw,38px);letter-spacing:-.02em;margin:0 0 16px}
.about p{margin:0 0 16px;color:#3A4652;max-width:40em}

/* footer */
.foot{border-top:1px solid var(--rule);padding:34px 0}
.foot-in{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.brand-foot{font-size:17px}
.foot nav{display:flex;gap:24px;flex-wrap:wrap}
.foot nav a{color:var(--muted);text-decoration:none;font-size:15px}
.foot nav a:hover{color:var(--ink);text-decoration:underline}
.copy{margin:0 0 0 auto;color:var(--muted);font-size:14px}

/* privacy page */
.doc-page{max-width:760px;margin:0 auto;padding:64px 28px 96px}
.doc-page h1{font-size:40px;letter-spacing:-.02em;margin:0 0 8px}
.doc-page h2{font-size:21px;margin:34px 0 8px}
.doc-page p,.doc-page li{color:#3A4652}

@media (max-width:960px){
  .hero-in{grid-template-columns:1fr;min-height:0;padding-top:44px}
  .hero-art{height:380px;max-width:520px}
  .tool,.guide-in,.about-in{grid-template-columns:1fr;gap:28px}
  .tool.flip .tool-img{order:0}
  .tool{margin-bottom:64px}
  .guide-art{height:340px;max-width:420px}
  .glyph{user-select:none;-webkit-user-select:none;caret-color:transparent;text-align:left;font-size:160px}
  .bundle-in{flex-direction:column;align-items:flex-start}
}
@media (max-width:640px){
  body{font-size:16px}
  .top nav a:not(.btn){display:none}
  .btn-ink{padding:8px 12px;font-size:14px}
  .lede{font-size:18px}
  .hero-art{height:300px}
  .stamp{width:84px;height:84px;top:220px}
  .doc-b{top:80px;height:240px}
  .copy{margin-left:0}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.stamp{animation:none}.btn{transition:none}}

/* free calculator pages */
.fc-hero{background:var(--paper);border-bottom:1px solid var(--rule);padding:56px 0 40px}
.fc-hero h1{font-size:clamp(34px,4.4vw,52px);line-height:1.06;letter-spacing:-.025em;margin:0 0 14px;max-width:18ch}
.fc-hero p{font-size:19px;color:#3A4652;max-width:40em;margin:0}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:18px}.crumbs a{color:var(--muted)}
.calc{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin:36px 0 0;align-items:start}
.calc-in,.calc-out{background:#fff;border:1px solid var(--rule);border-radius:10px;padding:24px 26px}
.calc-out{position:sticky;top:90px;border:2px solid var(--ink)}
.calc h2{font-size:18px;margin:0 0 14px}
.fld{margin-bottom:14px}
.fld label{display:block;font-size:14px;font-weight:600;margin-bottom:5px}
.fld input,.fld select{width:100%;padding:10px 12px;font:inherit;font-size:16px;border:2px solid var(--rule);border-radius:6px;background:#fff}
.fld input:focus,.fld select:focus{border-color:var(--ink);outline:none}
.fld .note{font-size:13px;color:var(--muted);margin-top:4px}
.fld2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.big-result{font-size:44px;font-weight:700;letter-spacing:-.02em;line-height:1.1}
.big-label{font-size:14px;color:var(--muted)}
.rows{margin-top:16px;border-top:1px solid var(--rule)}
.rows div{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid var(--rule);font-size:15px}
.rows b{font-variant-numeric:tabular-nums}
.good{color:#2E6B3A}.bad{color:var(--seal)}
.cmp{width:100%;border-collapse:collapse;font-size:15px}
.cmp th{text-align:left;font-size:13px;color:var(--muted);font-weight:500;padding:8px;border-bottom:1px solid var(--rule)}
.cmp td{padding:10px 8px;border-bottom:1px solid var(--rule);font-variant-numeric:tabular-nums}
.cmp .num{text-align:right}
.cmp tr.best td{background:#E2F0E4}
.article{max-width:760px;margin:0 auto;padding:56px 28px 20px}
.article h2{font-size:28px;letter-spacing:-.015em;margin:40px 0 10px}
.article h3{font-size:20px;margin:26px 0 6px}
.article p,.article li{color:#3A4652}
.formula{background:var(--paper);border-left:4px solid var(--seal);padding:14px 18px;font-size:18px;font-weight:600;margin:14px 0;border-radius:0 6px 6px 0}
.cta-box{background:var(--ink);color:#fff;border-radius:12px;padding:28px 30px;margin:40px 0}
.cta-box h2{color:#fff;margin:0 0 8px;font-size:24px}.cta-box p{color:var(--mist);margin:0 0 18px}
.cta-box .btn-line{border-color:#fff;color:#fff}.cta-box .btn-line:hover{background:#fff;color:var(--ink)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.faq details{border-bottom:1px solid var(--rule);padding:14px 0}
.faq summary{font-weight:600;cursor:pointer;font-size:17px}
.faq details p{margin:10px 0 0}
.free-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:10px}
.free-card{display:block;background:#fff;border:1px solid var(--rule);border-radius:10px;padding:24px;text-decoration:none;transition:border-color .15s}
.free-card:hover{border-color:var(--ink)}
.free-card h3{margin:0 0 8px;font-size:20px}.free-card p{margin:0;color:#3A4652;font-size:15px}
.free-card span{display:inline-block;margin-top:14px;font-weight:600;color:var(--seal);font-size:15px}
.freecalcs{padding:90px 0 100px}
@media (max-width:900px){.calc{grid-template-columns:1fr}.calc-out{position:static}.free-grid{grid-template-columns:1fr}}
.tpl{margin:44px 0 0}
.tpl h2{margin-top:0}
.tpl-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:14px}
.tpl-box{background:#fff;border:1px solid var(--rule);border-radius:10px;overflow:hidden}
.tpl-h{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:var(--paper);border-bottom:1px solid var(--rule);font-size:14px;font-weight:600}
.tpl-box pre{margin:0;padding:16px 18px;white-space:pre-wrap;word-wrap:break-word;font-family:var(--font);font-size:15px;line-height:1.6;color:#3A4652}
.btn.small{padding:6px 12px;font-size:13px;border-width:1.5px}
.toc{columns:2;color:#3A4652}.toc a{color:var(--ink)}
@media (max-width:900px){.tpl-grid{grid-template-columns:1fr}.toc{columns:1}}

/* guides */
.freeguides{padding:0 0 100px}
.free-grid.three{grid-template-columns:repeat(3,1fr)}
.guide-meta{font-size:14px;color:var(--muted);margin:16px 0 0}
.fc-hero .guide-meta{font-size:14px;color:var(--muted);margin:16px 0 0}
.guide-meta time{font-weight:600;color:var(--ink)}
.gtoc{background:var(--paper);border:1px solid var(--rule);border-radius:10px;padding:18px 22px;margin:8px 0 30px}
.article .gtoc h2{font-size:14px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0 0 8px}
.gtoc ol{margin:0;padding-left:20px;columns:2;column-gap:28px}
.gtoc li{font-size:15px;margin:0 0 5px;break-inside:avoid}
.gtoc a{color:var(--ink)}
.tbl{overflow-x:auto;margin:16px 0 8px;border:1px solid var(--rule);border-radius:10px}
.tbl .cmp{min-width:640px}
.tbl .cmp th{background:var(--paper);color:var(--ink);font-weight:600}
.tbl .cmp td,.tbl .cmp th{vertical-align:top}
.tbl .cmp td:first-child{font-weight:700;white-space:nowrap}
.tbl-note{font-size:13px;color:var(--muted);margin:6px 0 18px}
.tool-callout{display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap;background:#fff;border:2px solid var(--ink);border-radius:10px;padding:18px 22px;margin:28px 0 0;max-width:760px}
.tool-callout p{margin:0!important;font-size:16px!important;color:var(--ink)!important;max-width:34em}
.term-tag{display:inline-block;font-size:13px;font-weight:600;background:var(--paper);border:1px solid var(--rule);border-radius:4px;padding:1px 8px;margin-left:8px;vertical-align:middle;color:var(--muted);letter-spacing:0}
.zh{background:var(--paper);border-left:4px solid var(--seal);padding:14px 18px;border-radius:0 6px 6px 0;margin:14px 0}
.zh p{margin:0 0 8px}.zh p:last-child{margin:0}
.zh .cn{font-size:18px;color:var(--ink)}
.related{border-top:1px solid var(--rule);margin-top:40px;padding-top:10px}
.guide-card .date{display:block;font-size:13px;color:var(--muted);margin-top:10px;font-weight:400}
@media (max-width:900px){.free-grid.three{grid-template-columns:1fr}}
@media (max-width:640px){.gtoc ol{columns:1}}

/* guides v2 (2026-09-27) */
.fc-hero.has-art .wrap{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:48px;align-items:center}
.fc-hero.has-art h1{max-width:20ch}
.hero-cover{border-radius:14px;box-shadow:0 18px 40px -18px rgba(27,42,58,.45);transform:rotate(1.2deg)}
.fc-hero .dot{margin:0 6px;color:var(--mist)}
.hero-cta{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px}
@media (max-width:900px){.fc-hero.has-art .wrap{grid-template-columns:minmax(0,1fr);gap:28px}.hero-cover{transform:none;max-width:min(100%,560px)}}
.takeaways{border:1px solid var(--rule);border-top:4px solid var(--seal);border-radius:10px;padding:20px 24px 12px;margin:0 0 30px;background:#fff}
.article .takeaways .tk-h{font-size:14px;text-transform:uppercase;letter-spacing:.06em;color:var(--seal);margin:0 0 10px}
.takeaways ul{list-style:none;margin:0;padding:0}
.takeaways li{position:relative;padding-left:22px;margin:0 0 10px;color:var(--ink)}
.takeaways li:before{content:"";position:absolute;left:2px;top:.62em;width:8px;height:8px;background:var(--seal);border-radius:1px;transform:rotate(45deg)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:18px 0 22px}
.stat{background:var(--ink);color:#fff;border-radius:10px;padding:16px 18px}
.stat b{display:block;font-size:28px;line-height:1.1;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stat span{display:block;font-size:13.5px;color:var(--mist);margin-top:6px;line-height:1.35}
.stat:nth-child(2){background:var(--seal)}.stat:nth-child(2) span{color:#FBD9D4}
.fig{margin:22px 0 26px;padding:20px 20px 14px;border:1px solid var(--rule);border-radius:12px;background:#fff}
.fig svg{display:block;width:100%;height:auto}
.fig figcaption{font-size:14px;color:var(--muted);margin-top:12px;line-height:1.45}
.legend{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13.5px;color:var(--muted);margin:10px 0 0}
.legend i{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.steps{list-style:none;counter-reset:st;margin:16px 0 22px;padding:0}
.steps li{counter-increment:st;position:relative;padding:2px 0 16px 50px;border-left:2px solid var(--rule);margin-left:16px}
.steps li:last-child{border-left-color:transparent}
.steps li:before{content:counter(st);position:absolute;left:-17px;top:0;width:32px;height:32px;border-radius:50%;background:var(--ink);color:#fff;font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center}
.steps li>b{display:block;color:var(--ink);font-size:17px;margin:3px 0 2px}
.steps li>span{display:block;color:#3A4652}
.checklist{list-style:none;padding:0;margin:14px 0 20px}
.checklist li{position:relative;padding:10px 12px 10px 42px;border-bottom:1px solid var(--rule)}
.checklist li:before{content:"";position:absolute;left:10px;top:12px;width:20px;height:20px;border-radius:5px;background:#E2F0E4 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3.2 3.2L15 7' fill='none' stroke='%232E6B3A' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/20px no-repeat}
.warn,.tipbox{border-radius:10px;padding:14px 18px;margin:18px 0}
.warn{background:#FBEDEB;border:1px solid #F2C7C1}
.tipbox{background:#E9F2EA;border:1px solid #C6DEC9}
.warn b,.tipbox b{display:block;font-size:13px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px}
.warn b{color:var(--seal)}.tipbox b{color:var(--good,#2E6B3A)}
.warn p,.tipbox p{margin:0;color:var(--ink)}
.vs{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:18px 0 24px}
.vs>div{border:1px solid var(--rule);border-radius:12px;padding:18px 20px;background:#fff}
.vs>div.pick{border:2px solid var(--ink)}
.vs h3{margin:0 0 4px!important;font-size:22px!important}
.vs .sub{font-size:14px;color:var(--muted);margin:0 0 10px}
.vs ul{margin:0;padding-left:18px}.vs li{font-size:15.5px;margin:0 0 6px}
.vs .badge{display:inline-block;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;background:var(--seal);color:#fff;border-radius:4px;padding:3px 8px;margin-bottom:8px}
@media (max-width:640px){.vs{grid-template-columns:1fr}}
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0 24px}
.tier{border:1px solid var(--rule);border-radius:12px;padding:16px 18px;background:#fff;position:relative}
.tier.top{border:2px solid var(--seal)}
.tier .lvl{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.tier h3{margin:4px 0 8px!important;font-size:19px!important}
.tier p{font-size:15px;margin:0 0 6px}
.tier .yes{color:#2E6B3A;font-weight:600}.tier .no{color:var(--seal);font-weight:600}
@media (max-width:760px){.tiers{grid-template-columns:1fr}}
.disclaimer{font-size:14px;color:var(--muted);margin-top:30px}
.guide-card img{border-radius:8px;margin:-8px -8px 16px;width:calc(100% + 16px);max-width:none;aspect-ratio:1200/630;object-fit:cover}
.guide-group{margin:56px 0 18px}
.guide-group:first-child{margin-top:0}
.guide-group h2{font-size:24px;margin:0 0 4px}
.guide-group p{margin:0;color:var(--muted)}

.pdf-feature{display:flex;gap:28px;align-items:center;background:#fff;border:2px solid var(--ink);border-radius:10px;padding:24px 28px;text-decoration:none;color:var(--ink);margin:0 0 56px;transition:box-shadow .15s}
.pdf-feature:hover{box-shadow:0 6px 20px rgba(0,0,0,.08)}
.pdf-feature img{width:120px;height:auto;border-radius:4px;box-shadow:0 4px 14px rgba(0,0,0,.12);flex:none}
.pdf-feature h2{font-size:24px;margin:6px 0 8px}
.pdf-feature p{margin:0;color:#3A4652;font-size:15px;max-width:40em}
.pdf-tag{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--seal)}
.pdf-cta{display:inline-block;margin-top:14px;font-weight:600;color:var(--seal);font-size:15px}
@media (max-width:640px){.pdf-feature{flex-direction:column;align-items:flex-start;padding:20px}.pdf-feature img{width:96px}}
/* news */
.aud{display:inline-block;font-size:12.5px;font-weight:600;color:var(--ink);background:#fff;border:1px solid var(--rule);border-radius:999px;padding:2px 10px;margin:2px 4px 2px 0;vertical-align:middle}
.asof{font-weight:600;color:var(--ink)}
.news-list{list-style:none;padding:0;margin:0 0 48px;border-top:1px solid var(--rule)}
.news-list li{display:grid;grid-template-columns:150px minmax(0,1fr);gap:20px;padding:22px 0;border-bottom:1px solid var(--rule)}
.news-list time{font-size:14px;color:var(--muted);padding-top:3px}
.news-list a{font-size:20px;font-weight:600;color:var(--ink);text-decoration:none;line-height:1.3}
.news-list a:hover{color:var(--seal)}
.news-list p{margin:6px 0 8px;color:#3A4652}
.news-empty{color:var(--muted);margin:0 0 48px}
.changelog{list-style:none;padding:0;border-left:2px solid var(--rule);margin:0 0 40px}
.changelog li{position:relative;padding:0 0 18px 22px}
.changelog li:before{content:"";position:absolute;left:-7px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--seal)}
.changelog time{display:block;font-size:14px;font-weight:600;color:var(--ink)}
.changelog span{color:#3A4652}
ol.todo li{margin-bottom:8px}
.news-index .free-grid{margin-bottom:8px}
@media (max-width:640px){.news-list li{grid-template-columns:1fr;gap:4px}}