/* Ping blog: shared styles + visual components (same design tokens as the home page) */
:root{
  --ink:#0b1b20;--ink2:#2c3e45;--mute:#5c6f76;--faint:#8a9aa0;--line:#e3e9e7;--bg:#f6f8f7;--panel:#fff;
  --petrol:#0f4553;--petrol2:#0a3039;--green:#16a34a;--green-d:#15803d;--wa:#25d366;--wa-d:#128c7e;--wa-soft:#dcf8c6;
  --mint:#e8f7ee;--amber:#b45309;--amber-soft:#fff7e6;--red:#c2410c;--blue:#1d4ed8;--blue-soft:#eef4ff;
  --font:"Plus Jakarta Sans","Segoe UI",system-ui,-apple-system,sans-serif;--shadow:0 1px 2px rgba(11,27,32,.05),0 12px 32px rgba(11,27,32,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:17px/1.75 var(--font);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--green-d)}
h1,h2,h3,h4{letter-spacing:-.02em;line-height:1.2;margin:0}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
svg.i{width:20px;height:20px;flex:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 22px;border-radius:13px;font-weight:700;font-size:15.5px;text-decoration:none;border:1.5px solid transparent;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 8px 22px rgba(22,163,74,.28)}
.btn-primary:hover{background:var(--green-d)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-wa{background:#fff;color:var(--ink);border-color:rgba(255,255,255,.3)}
a:focus-visible,.btn:focus-visible{outline:3px solid rgba(22,163,74,.45);outline-offset:3px}

/* nav + footer */
.nav{position:sticky;top:0;z-index:50;background:rgba(246,248,247,.9);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:24px;height:68px}
.nav .logo img{height:34px;width:auto}
.nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.nav ul a{display:block;padding:8px 12px;border-radius:10px;text-decoration:none;font-weight:600;font-size:15px;color:var(--ink2)}
.nav ul a:hover,.nav ul a.on{background:#fff;color:var(--ink)}
.nav .sp{flex:1}
.nav .btn{min-height:42px;padding:0 16px;font-size:14.5px}
footer{padding:56px 0 36px;border-top:1px solid var(--line);margin-top:80px;background:#fff}
.foot{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;color:var(--mute);font-size:15px}
.foot a{color:var(--ink2);text-decoration:none;font-weight:600;margin-right:18px}

/* blog home */
.bhero{padding:64px 0 30px;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--green-d)}
.eyebrow::before{content:"";width:18px;height:2px;background:currentColor;border-radius:2px}
.bhero h1{font-size:clamp(34px,4.6vw,54px);font-weight:800;margin-top:14px}
.bhero p{color:var(--mute);font-size:19px;max-width:640px;margin:14px auto 0}
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:36px}
.pcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;text-decoration:none;color:var(--ink);transition:transform .2s,box-shadow .2s}
.pcard:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.pcard .cv{height:210px;position:relative;overflow:hidden;display:grid;place-items:center}
.pcard .bd{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1}
.pcard .tag{font-size:12.5px;font-weight:800;color:var(--green-d);text-transform:uppercase;letter-spacing:.05em}
.pcard h2{font-size:21px}
.pcard p{color:var(--mute);font-size:15.5px;line-height:1.6;margin:0;flex:1}
.pcard .meta{font-size:13.5px;color:var(--faint);font-weight:600}
.pcard.featured{grid-column:1/-1;flex-direction:row}
.pcard.featured .cv{width:52%;height:auto;min-height:330px}
.pcard.featured .bd{padding:36px;justify-content:center}
.pcard.featured h2{font-size:30px}
.pcard.featured p{flex:none;font-size:17px}

/* article */
.ahead{padding:56px 0 28px}
.ahead .wrap{max-width:860px}
.crumbs{font-size:14px;color:var(--mute);font-weight:600}
.crumbs a{color:var(--mute);text-decoration:none}
.ahead h1{font-size:clamp(32px,4.4vw,50px);font-weight:800;margin-top:14px}
.ahead .dek{font-size:20px;color:var(--mute);margin-top:16px;line-height:1.6}
.byline{display:flex;align-items:center;gap:12px;margin-top:22px;font-size:14.5px;color:var(--mute)}
.byline img{width:40px;height:40px;border-radius:50%;background:#fff;padding:5px;box-shadow:0 0 0 1px var(--line)}
.byline b{color:var(--ink)}
.cover{max-width:1040px;margin:12px auto 0;padding:0 24px}
.cover .cv{border-radius:26px;overflow:hidden;min-height:400px;display:grid;place-items:center;position:relative;border:1px solid var(--line)}
article.body{max-width:760px;margin:44px auto 0;padding:0 24px}
article.body h2{font-size:30px;font-weight:800;margin:52px 0 14px}
article.body h3{font-size:21px;margin:30px 0 8px}
article.body p{margin:0 0 18px;color:var(--ink2)}
article.body ul,article.body ol{color:var(--ink2);padding-left:22px;margin:0 0 20px}
article.body li{margin:6px 0}
article.body li::marker{color:var(--green)}
article.body strong{color:var(--ink)}
.toc{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px 24px;margin:0 0 30px}
.toc b{font-size:14px;text-transform:uppercase;letter-spacing:.06em;color:var(--mute)}
.toc ol{margin:10px 0 0}
.toc a{text-decoration:none;font-weight:600}
figure.v{margin:30px -60px 34px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px;display:flex;flex-direction:column;align-items:center;gap:16px;overflow:hidden}
figure.v.tint{background:radial-gradient(120% 90% at 80% 0%,#e3f6ea 0%,#f3f7f5 60%,#eef3f1 100%)}
figure.v figcaption{font-size:14.5px;color:var(--mute);text-align:center;max-width:560px;line-height:1.55}
.callout{display:flex;gap:14px;border-radius:16px;padding:18px 20px;margin:26px 0;font-size:16px;line-height:1.6}
.callout svg{width:24px;height:24px;flex:none;margin-top:2px}
.callout.tip{background:var(--mint);color:#14532d}
.callout.warn{background:var(--amber-soft);color:#7c2d12}
.callout.note{background:var(--blue-soft);color:#1e3a8a}
.callout p{margin:0!important;color:inherit!important}
.cta{margin:42px 0;border-radius:22px;padding:30px;background:linear-gradient(135deg,#0f4553,#0a3039);color:#e6f1f2;display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.cta h3{color:#fff;font-size:23px;margin:0!important}
.cta p{margin:6px 0 0!important;color:#b9d3d6!important;font-size:16px}
.cta .tx{flex:1;min-width:240px}
.cta .btns{display:flex;gap:10px;flex-wrap:wrap}
.related{max-width:1040px;margin:70px auto 0;padding:0 24px}
.related h2{font-size:26px;margin-bottom:20px}
.related .posts{margin-top:0}

/* ---------- visual components ---------- */
.phone{width:250px;height:480px;border-radius:38px;background:#0d1417;padding:10px;box-shadow:0 30px 60px rgba(11,27,32,.22),inset 0 0 0 2px #23302f;flex:none}
.phone.sm{width:210px;height:400px;border-radius:32px}
.screen{height:100%;border-radius:30px;overflow:hidden;background:#efe7de;display:flex;flex-direction:column;font-size:12px;line-height:1.45}
.phone.sm .screen{border-radius:24px}
.wa-head{background:var(--wa-d);color:#fff;display:flex;align-items:center;gap:10px;padding:26px 12px 10px}
.wa-head .av{width:30px;height:30px;border-radius:50%;background:#fff;color:var(--wa-d);display:grid;place-items:center;font-weight:800;font-size:12px}
.wa-head small{display:block;opacity:.85;font-size:10.5px}
.chat{flex:1;padding:10px;display:flex;flex-direction:column;gap:8px;background-image:radial-gradient(rgba(0,0,0,.035) 1px,transparent 1px);background-size:14px 14px;overflow:hidden}
.b{max-width:88%;background:#fff;border-radius:10px 10px 10px 2px;padding:7px 9px 5px;box-shadow:0 1px 1px rgba(0,0,0,.08);color:var(--ink)}
.b.me{align-self:flex-end;background:var(--wa-soft);border-radius:10px 10px 2px 10px}
.b .t{display:block;text-align:right;font-size:9.5px;color:#8a9a96;margin-top:2px}
.b .t i{color:#34b7f1;font-style:normal;font-weight:700}
.b h5{margin:0 0 3px;font-size:12px}
.doc{display:flex;align-items:center;gap:8px;background:#f5f7f6;border-radius:8px;padding:7px;margin-bottom:4px}
.doc .pdf{width:28px;height:34px;border-radius:5px;background:#e5484d;color:#fff;font-size:8.5px;font-weight:800;display:grid;place-items:center;flex:none}
.doc b{display:block;font-size:11px;word-break:break-all}
.doc small{color:#8a9a96;font-size:9.5px}
.qr{display:flex;gap:9px;align-items:center}
.qr svg{width:60px;height:60px;flex:none;background:#fff;border-radius:6px}
.btnlike{display:block;text-align:center;color:#0b8f7c;font-weight:700;border-top:1px solid #eef2f1;margin:6px -9px -5px;padding:7px 0}
.win{width:min(520px,100%);background:#fff;border-radius:14px;box-shadow:0 22px 46px rgba(11,27,32,.13);border:1px solid var(--line);overflow:hidden;font-size:13px;line-height:1.5}
.win-top{display:flex;align-items:center;gap:6px;padding:10px 14px;background:#1f3b47;color:#cfe3ea;font-weight:700;font-size:12px}
.win-top i{width:10px;height:10px;border-radius:50%;background:#3d5b67;display:inline-block}
.win-top span{margin-left:8px}
.win-body{padding:16px 18px}
.win table{width:100%;border-collapse:collapse}
.win th,.win td{padding:7px 6px;border-bottom:1px solid #eef2f1;text-align:left}
.win th{font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--faint)}
.win td.r,.win th.r{text-align:right}
.ok{color:var(--green-d);font-weight:700}
.pend{color:var(--blue);font-weight:700}
.bad{color:var(--red);font-weight:700}
.row{display:flex;gap:26px;align-items:center;justify-content:center;flex-wrap:wrap;width:100%}
.flow3{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:center}
.node{background:#fff;border:1.5px solid var(--line);border-radius:16px;padding:14px 16px;text-align:center;min-width:130px;box-shadow:var(--shadow);font-weight:700;font-size:14px}
.node img{height:30px;width:auto;margin:0 auto 6px}
.node small{display:block;color:var(--mute);font-weight:600;font-size:12px}
.node.ping{border-color:var(--green);box-shadow:0 0 0 4px rgba(22,163,74,.12)}
.arrow{color:var(--green);font-size:24px;font-weight:800}
.steps{display:grid;gap:12px;width:100%;max-width:560px}
.stp{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.stp .n{width:32px;height:32px;border-radius:10px;background:var(--petrol);color:#fff;display:grid;place-items:center;font-weight:800;flex:none}
.stp b{display:block;font-size:15.5px}
.stp small{color:var(--mute);font-size:14px;line-height:1.5;display:block}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;width:100%}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;font-size:14px;line-height:1.5}
.card .ic{width:38px;height:38px;border-radius:11px;background:var(--mint);color:var(--green-d);display:grid;place-items:center;margin-bottom:10px}
.card b{display:block;font-size:15px;margin-bottom:2px}
.card small{color:var(--mute)}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:16px;width:100%}
.compare .col{border-radius:16px;padding:18px;border:1px solid var(--line);background:#fff}
.compare .col.bad{background:#fff8f5;border-color:#fde0d2}
.compare .col.good{background:#f3fcf6;border-color:#c7ebd3}
.compare h4{font-size:15px;margin-bottom:10px;display:flex;gap:8px;align-items:center}
.compare ul{list-style:none;padding:0!important;margin:0!important;font-size:14.5px}
.compare li{display:flex;gap:8px;margin:7px 0!important;line-height:1.45}
.compare .col.bad li::before{content:"✕";color:var(--red);font-weight:800}
.compare .col.good li::before{content:"✓";color:var(--green);font-weight:800}
.tl{width:100%;display:grid;gap:10px}
.tl .ev{display:grid;grid-template-columns:76px 1fr;gap:14px;align-items:start}
.tl .tm{font-weight:800;color:var(--petrol);font-size:14px;padding-top:12px}
.tl .bx{background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 14px;font-size:14.5px;line-height:1.5}
.tl .bx b{display:block}
.tl .bx small{color:var(--mute)}
.tl .bx.g{border-color:#c7ebd3;background:#f3fcf6}
.meters{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;width:100%}
.meter{background:#fff;border:1.5px solid var(--line);border-radius:16px;padding:16px}
.meter.rec{border-color:var(--green);box-shadow:0 0 0 4px rgba(22,163,74,.1)}
.meter b{font-size:17px;display:flex;justify-content:space-between;align-items:center}
.meter .pill{font-size:11px;background:var(--green);color:#fff;padding:2px 8px;border-radius:99px}
.meter .bar{height:8px;border-radius:99px;background:#eef2f1;margin:12px 0 10px;overflow:hidden}
.meter .bar i{display:block;height:100%;border-radius:99px}
.meter small{display:block;color:var(--mute);font-size:13.5px;line-height:1.55}
.stat{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;width:100%}
.stat div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;text-align:center}
.stat b{display:block;font-size:26px;color:var(--green-d)}
.stat small{color:var(--mute);font-size:13px}
.avatar{width:96px;height:96px;border-radius:50%;box-shadow:0 0 0 5px #fff,0 14px 30px rgba(11,27,32,.16);flex:none}
.say{background:#fff;border:1px solid var(--line);border-radius:18px 18px 18px 4px;padding:12px 16px;box-shadow:var(--shadow);font-size:15px;max-width:330px;line-height:1.5}
.say b{color:var(--green-d)}
.say small{display:block;color:var(--faint);font-size:12.5px;font-weight:600;margin-top:4px}
.compare-img{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:end;width:100%;max-width:560px}
.compare-img div{text-align:center;font-weight:800;font-size:14px;color:var(--mute)}
.compare-img div.after{color:var(--green-d)}
.compare-img img{margin:0 auto 10px;max-height:330px;width:auto;border-radius:10px}

@media (max-width:980px){
  .posts{grid-template-columns:1fr 1fr}
  .pcard.featured{flex-direction:column}
  .pcard.featured .cv{width:100%;min-height:260px}
  figure.v{margin-left:0;margin-right:0}
}
@media (max-width:640px){
  body{font-size:16.5px}
  .wrap{padding:0 16px}
  .nav ul{display:none}
  .posts{grid-template-columns:1fr}
  .pcard.featured .bd{padding:22px}
  .pcard.featured h2{font-size:24px}
  .cover{padding:0 16px}
  .cover .cv{min-height:300px}
  article.body{padding:0 16px}
  article.body h2{font-size:25px}
  figure.v{padding:20px 14px}
  .cards,.meters,.stat,.compare{grid-template-columns:1fr}
  .phone{transform:scale(.92)}
  .flow3 .arrow{transform:rotate(90deg)}
}