:root{
  --bg:#EEF2F8;--ink:#0E1A33;--blue:#0141C1;--blue-2:#1F5BE0;--sky:#5B8CFF;--mist:#DCE6FF;
  --muted:#5A6782;--glass:rgba(255,255,255,.55);--glass-strong:rgba(255,255,255,.78);--edge:rgba(255,255,255,.92);
  --shadow:0 24px 60px -28px rgba(14,26,51,.28);
  --r-lg:28px;--r-md:20px;--r-sm:12px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{font-family:var(--font);color:var(--ink);line-height:1.7;background:var(--bg);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:6px}
.wrap{width:min(1180px,100% - 48px);margin-inline:auto}

/* atmosphere */
.blobs{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.blobs i{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;animation:drift 20s ease-in-out infinite alternate}
.blobs i:nth-child(1){width:600px;height:600px;background:#0141C1;top:-220px;right:-140px}
.blobs i:nth-child(2){width:460px;height:460px;background:#7FB3FF;top:38%;left:-180px;animation-delay:-7s}
.blobs i:nth-child(3){width:380px;height:380px;background:#B9C8FF;bottom:-140px;right:18%;animation-delay:-13s}
@keyframes drift{to{transform:translate(70px,50px) scale(1.12)}}
.glass{background:var(--glass);backdrop-filter:blur(22px) saturate(1.4);-webkit-backdrop-filter:blur(22px) saturate(1.4);border:1px solid var(--edge);box-shadow:var(--shadow)}

/* nav */
nav{position:sticky;top:16px;z-index:30;margin-top:16px}
.bar{display:flex;align-items:center;justify-content:space-between;height:62px;padding:0 10px 0 20px;border-radius:999px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px}
.logo svg{width:30px;height:30px}
.logo small{font-weight:400;color:var(--muted);font-size:12px;margin-left:4px}
.menu{display:flex;gap:30px;list-style:none;font-size:14px;color:var(--muted)}
.menu a:hover{color:var(--blue)}
.nav-r{display:flex;gap:8px;align-items:center}
.burger{display:none;width:44px;height:44px;border-radius:50%;border:0;background:rgba(255,255,255,.7);cursor:pointer}
.burger span{display:block;width:18px;height:2px;background:var(--ink);margin:4px auto;border-radius:2px}
.drawer{display:none}

.btn{display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 26px;border-radius:999px;font-size:14.5px;font-weight:600;border:0;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s}
.btn-p{background:var(--blue);color:#fff;box-shadow:0 12px 26px -12px var(--blue)}
.btn-p:hover{background:var(--blue-2);transform:translateY(-1px);box-shadow:0 16px 32px -12px var(--blue)}
.btn-g{background:rgba(255,255,255,.75);border:1px solid #fff}
.btn-g:hover{background:#fff}
nav .btn{height:42px;padding:0 20px}

/* hero */
.hero{padding:96px 0 40px;text-align:center}
.pill{display:inline-flex;align-items:center;gap:8px;font-size:13px;padding:6px 16px;border-radius:999px;color:var(--blue)}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px var(--mist)}
h1{font-size:clamp(36px,5.6vw,68px);line-height:1.15;font-weight:700;letter-spacing:-.02em;margin:24px auto 22px;max-width:14em}
.lead{color:var(--muted);font-size:17px;max-width:36em;margin:0 auto}
.cta{display:flex;gap:12px;justify-content:center;margin-top:34px;flex-wrap:wrap}

/* app mockup */
.app{margin:64px auto 0;max-width:960px;border-radius:26px;padding:14px;text-align:left}
.app-top{display:flex;justify-content:space-between;align-items:center;padding:4px 10px 12px;font-size:12px;color:var(--muted)}
.dots{display:flex;gap:6px}.dots i{width:10px;height:10px;border-radius:50%;background:rgba(14,26,51,.12)}
.app-in{display:grid;grid-template-columns:210px 1fr;gap:14px;min-height:380px}
.side{border-radius:16px;background:rgba(255,255,255,.6);padding:16px;display:flex;flex-direction:column;gap:4px}
.side b{font-size:12px;color:var(--muted);font-weight:500;margin:2px 6px 6px}
.agent-btn{all:unset;cursor:pointer;display:flex;align-items:center;gap:10px;padding:10px;border-radius:10px;font-size:14px}
.agent-btn i{width:28px;height:28px;border-radius:8px;background:var(--mist);display:grid;place-items:center;font-style:normal;font-size:12px;font-weight:700;color:var(--blue)}
.agent-btn:hover{background:rgba(255,255,255,.7)}
.agent-btn[aria-selected="true"]{background:#fff;color:var(--blue);font-weight:600;box-shadow:0 6px 16px -8px rgba(1,65,193,.45)}
.agent-btn[aria-selected="true"] i{background:var(--blue);color:#fff}
.agent-btn:focus-visible{outline:2px solid var(--blue)}
.side .note{margin-top:auto;font-size:11.5px;color:var(--muted);padding:6px}
.main{border-radius:16px;background:rgba(255,255,255,.8);padding:22px;display:flex;flex-direction:column;gap:14px}
.msg{max-width:80%;padding:12px 16px;border-radius:16px;font-size:14px}
.msg.u{align-self:flex-end;background:var(--blue);color:#fff;border-bottom-right-radius:4px}
.msg.a{background:#F1F4FA;border-bottom-left-radius:4px}
.msg.a ul{list-style:none;margin-top:10px;display:grid;gap:8px}
.msg.a li{display:flex;gap:10px;align-items:center;font-size:13.5px;color:var(--muted);transition:color .3s}
.msg.a li::before{content:"";flex:none;width:16px;height:16px;border-radius:50%;border:1.5px solid #C5CFE3;background:#fff;transition:.3s}
.msg.a li.done{color:var(--ink)}
.msg.a li.done::before{background:var(--blue);border-color:var(--blue);box-shadow:inset 0 0 0 3px #fff}
.msg.a .confirm{display:none;margin-top:12px;gap:8px}
.msg.a .confirm.show{display:flex}
.msg.a .confirm span{font-size:12.5px;padding:6px 14px;border-radius:999px;background:var(--blue);color:#fff}
.msg.a .confirm span+span{background:#fff;color:var(--ink);border:1px solid #DCE2EE}
.typing{display:inline-flex;gap:4px}.typing i{width:6px;height:6px;border-radius:50%;background:#9AA7C2;animation:bob 1s infinite}
.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}
@keyframes bob{50%{transform:translateY(-4px)}}
.input{margin-top:auto;height:46px;border-radius:12px;background:#F1F4FA;display:flex;align-items:center;justify-content:space-between;padding:0 8px 0 16px;font-size:13px;color:var(--muted)}
.input em{font-style:normal;width:32px;height:32px;border-radius:9px;background:var(--blue);display:grid;place-items:center}
.input em::before{content:"";width:10px;height:10px;border-top:2px solid #fff;border-right:2px solid #fff;transform:rotate(-45deg) translate(-1px,2px)}
.pop{animation:pop .45s ease both}
@keyframes pop{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* sections */
section{padding:96px 0}
.head{text-align:center;max-width:640px;margin:0 auto 52px}
.head h2{font-size:clamp(28px,3.4vw,42px);line-height:1.25;margin-bottom:12px;letter-spacing:-.01em}
.head p{color:var(--muted);font-size:16px}

.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.trio div{border-radius:var(--r-md);padding:26px 28px;display:flex;gap:16px;align-items:flex-start}
.trio svg{flex:none;width:40px;height:40px;padding:9px;border-radius:12px;background:var(--mist);stroke:var(--blue);fill:none;stroke-width:1.8}
.trio b{display:block;font-size:17px;margin-bottom:2px}.trio span{font-size:14px;color:var(--muted)}

.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.bento article{border-radius:var(--r-lg);padding:32px;display:flex;flex-direction:column}
.bento .a{grid-column:span 4;background:linear-gradient(135deg,rgba(1,65,193,.94),rgba(91,140,255,.86));color:#fff;border-color:rgba(255,255,255,.35)}
.bento .b,.bento .c{grid-column:span 2}
.bento .d{grid-column:span 4}
.bento h3{font-size:21px;margin-bottom:8px}
.bento p{color:var(--muted);font-size:14.5px}
.bento .a p{color:#DCE6FF}
.bento .say{margin-top:auto;padding-top:22px;font-size:13.5px}
.bento .say q{display:block;padding:12px 16px;border-radius:14px;background:rgba(255,255,255,.7);color:var(--ink);quotes:"“" "”"}
.bento .a .say q{background:rgba(255,255,255,.16);color:#fff}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tags span{font-size:12.5px;padding:5px 12px;border-radius:999px;background:#fff;color:var(--blue)}
.bento .a .tags span{background:rgba(255,255,255,.2);color:#fff}

.who{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.who div{border-radius:var(--r-md);padding:26px}
.who h3{font-size:17px;margin-bottom:6px}
.who p{font-size:14px;color:var(--muted)}
.who .ask{display:block;margin-top:14px;font-size:13px;color:var(--blue)}

.cmp{border-radius:var(--r-lg);padding:10px;overflow:auto}
table{width:100%;border-collapse:collapse;font-size:15px;min-width:660px}
th,td{text-align:left;padding:20px 22px;vertical-align:top}
tbody tr+tr th,tbody tr+tr td{border-top:1px solid rgba(14,26,51,.08)}
thead th{font-size:13px;color:var(--muted);font-weight:500}
tbody th{width:22%}
.us{background:rgba(1,65,193,.08)}
thead .us{color:var(--blue);font-weight:700;border-radius:14px 14px 0 0}
tbody tr:last-child .us{border-radius:0 0 14px 14px}
.src{text-align:center;font-size:12.5px;color:var(--muted);margin-top:14px}.src a{color:var(--blue);text-decoration:underline}

.safe{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.safe div{border-radius:var(--r-md);padding:28px}
.safe svg{width:44px;height:44px;stroke:var(--blue);fill:none;stroke-width:1.6;margin-bottom:16px}
.safe h3{font-size:18px;margin-bottom:6px}.safe p{font-size:14px;color:var(--muted)}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.steps div{border-radius:var(--r-md);padding:26px}
.steps em{font-style:normal;display:inline-grid;place-items:center;width:36px;height:36px;border-radius:11px;background:var(--blue);color:#fff;font-weight:700;margin-bottom:18px}
.steps h3{font-size:18px;margin-bottom:6px}.steps p{font-size:14px;color:var(--muted)}
.steps small{display:block;margin-top:14px;font-size:12.5px;color:var(--blue)}

.faq{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq details{border-radius:var(--r-sm);padding:0 22px}
.faq summary{list-style:none;cursor:pointer;padding:20px 0;font-weight:600;font-size:16px;display:flex;justify-content:space-between;align-items:center;gap:20px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:10px;height:10px;border-right:2px solid var(--blue);border-bottom:2px solid var(--blue);transform:rotate(45deg);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq p{padding:0 0 20px;color:var(--muted);font-size:14.5px}

.contact{border-radius:32px;padding:56px;display:grid;grid-template-columns:1fr 1fr;gap:48px}
.contact h2{font-size:clamp(28px,3.4vw,42px);line-height:1.25;margin-bottom:12px}
.contact .l p{color:var(--muted)}
dl{margin-top:28px;display:grid;gap:12px;font-size:14.5px}
dl div{display:flex;gap:16px;padding:14px 16px;border-radius:12px;background:rgba(255,255,255,.6)}
dt{font-size:13px;color:var(--muted);width:76px;flex:none}
.todo{color:#B45309;background:#FFF4D6;padding:0 6px;border-radius:4px;font-size:13px}
form{display:grid;gap:14px;align-content:start}
label{display:grid;gap:6px;font-size:13px;color:var(--muted)}
input,select,textarea{height:50px;border-radius:12px;border:1px solid #fff;background:rgba(255,255,255,.85);padding:0 16px;font:inherit;font-size:15px;color:var(--ink)}
textarea{height:96px;padding:12px 16px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--blue);outline-offset:0}
form .btn{height:52px;margin-top:4px}
.ok{display:none;font-size:13.5px;color:var(--blue);padding:12px 16px;border-radius:12px;background:var(--mist)}

footer{padding:40px 0 48px;font-size:12.5px;color:var(--muted)}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;border-top:1px solid rgba(14,26,51,.08);padding-top:24px}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

@media(max-width:960px){
  .menu,.nav-r .btn{display:none}
  .burger{display:block}
  .drawer{position:absolute;left:0;right:0;top:72px;border-radius:22px;padding:10px;flex-direction:column}
  .drawer.open{display:flex}
  .drawer a{padding:14px 16px;border-radius:12px;font-size:15px}
  .drawer a:hover{background:#fff}
  .drawer .btn{margin-top:6px}
  .app-in{grid-template-columns:1fr}
  .side{flex-direction:row;overflow-x:auto;padding:8px}
  .side b,.side .note{display:none}
  .agent-btn{white-space:nowrap}
  .trio,.safe,.contact{grid-template-columns:1fr}
  .who,.steps{grid-template-columns:1fr 1fr}
  .bento{grid-template-columns:1fr}.bento article{grid-column:1/-1!important}
  .contact{padding:28px;border-radius:24px}
  section{padding:68px 0}.hero{padding:64px 0 24px}
}
@media(max-width:560px){.who,.steps{grid-template-columns:1fr}.msg{max-width:92%}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}html{scroll-behavior:auto}}

/* ---------- refinements: production polish ---------- */
html { scroll-padding-top: 96px; }
h1 { max-width: 18em; text-wrap: balance; }

/* softer atmosphere, less "blue wall" */
.blobs i { opacity: .38; }
.blobs i:nth-child(1) { opacity: .28; }
.blobs i:nth-child(2) { opacity: .34; }
.blobs i:nth-child(3) { opacity: .38; }

/* progressive enhancement */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass { background: rgba(255, 255, 255, .9); }
}

/* skip link + helper */
.skip {
  position: fixed; top: -60px; left: 16px; z-index: 100;
  padding: 10px 16px; border-radius: 999px;
  background: var(--blue); color: #fff; font-size: 13px;
  transition: top .2s;
}
.skip:focus { top: 12px; }
.nojs { text-align: center; color: var(--muted); font-size: 12.5px; margin-top: 16px; }

/* nav active */
.menu a.active { color: var(--blue); font-weight: 600; }

/* section rhythm: sections after hero only need bottom spacing */
main > section { padding: 0 0 96px; }
.trio-wrap { padding-top: 56px; }
.trio-wrap.trio { padding-top: 56px; }

/* service plans */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; }
.plan {
  display: flex; flex-direction: column;
  padding: 30px 28px;
  border-radius: var(--r-lg);
}
.plan-tag { font-size: 12px; letter-spacing: .06em; color: var(--blue); }
.plan-tag em {
  display: inline-block; margin-left: 6px; padding: 1px 7px;
  border: 1px solid rgba(1, 65, 193, .35); border-radius: 999px;
  font-style: normal; font-size: 10px; vertical-align: 2px;
}
.plan h3 { font-size: 25px; line-height: 1.2; margin: 12px 0 4px; letter-spacing: -.01em; }
.plan .for { font-size: 12.5px; line-height: 1.6; color: var(--muted); min-height: 3.2em; }
.plan ul { list-style: none; display: grid; gap: 9px; margin-top: 20px; font-size: 13px; color: var(--muted); }
.plan li { display: flex; align-items: flex-start; gap: 8px; }
.plan li::before {
  content: ""; flex: none; width: 6px; height: 6px; margin-top: 8px;
  border-radius: 50%; background: var(--blue);
}
.plan .price { margin: 22px 0 14px; font-size: 22px; font-weight: 700; letter-spacing: -.01em; }
.plan .btn { margin-top: auto; height: 42px; font-size: 13px; align-self: flex-start; }
.plan.featured {
  color: #fff;
  background: linear-gradient(135deg, rgba(1, 65, 193, .95), rgba(91, 140, 255, .88));
  border-color: rgba(255, 255, 255, .38);
  box-shadow: 0 26px 60px -26px rgba(1, 65, 193, .65);
}
.plan.featured .plan-tag, .plan.featured .for, .plan.featured ul { color: #DCE6FF; }
.plan.featured .plan-tag em { border-color: rgba(255, 255, 255, .5); color: #fff; }
.plan.featured li::before { background: #fff; }
.plan.featured .btn { background: #fff; color: var(--blue); }
.plan.featured .btn:hover { background: var(--mist); }
.note { max-width: 760px; margin: 18px auto 0; text-align: center; font-size: 11.5px; line-height: 1.8; color: var(--muted); }

/* about */
.about {
  display: grid; grid-template-columns: 1.12fr .88fr;
  gap: clamp(28px, 5vw, 64px);
  padding: clamp(28px, 4vw, 48px);
  border-radius: var(--r-lg);
}
.eyebrow { font-size: 11.5px; letter-spacing: .08em; color: var(--blue); margin-bottom: 12px; }
.about h2 { font-size: clamp(28px, 3.2vw, 38px); line-height: 1.25; letter-spacing: -.01em; margin-bottom: 14px; }
.about-main p:not(.eyebrow) { margin-top: 10px; font-size: 13.5px; line-height: 1.9; color: var(--muted); }
.about dl { margin: 0; display: grid; gap: 0; align-content: start; border-top: 1px solid rgba(14, 26, 51, .1); }
.about dl div {
  display: flex; justify-content: space-between; align-items: baseline; gap: 16px;
  padding: 12px 0; border-radius: 0; background: none;
  border-bottom: 1px solid rgba(14, 26, 51, .1);
}
.about dt { width: auto; flex: none; font-size: 12px; color: var(--muted); }
.about dd { font-size: 12.5px; text-align: right; color: var(--ink); }

/* contact additions */
.contact-note { margin-top: 18px; font-size: 12px; line-height: 1.8; color: var(--muted); }
.consent { display: flex; align-items: flex-start; gap: 8px; font-size: 12px; line-height: 1.5; color: var(--muted); }
.consent input { width: 16px; height: 16px; margin-top: 2px; accent-color: var(--blue); flex: none; }
.form-note { margin-top: -2px; font-size: 11.5px; line-height: 1.6; color: var(--muted); }
.ok span { display: block; margin-top: 3px; font-size: 11px; color: #6B7790; }

/* footer */
footer { padding: 0 0 40px; }
footer .wrap {
  display: block;
  border-top: 1px solid rgba(14, 26, 51, .1);
  padding-top: 30px;
}
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 30px; }
.footer-logo { font-size: 17px; font-weight: 700; color: var(--ink); }
.footer-brand p:last-child { margin-top: 8px; font-size: 12px; line-height: 1.9; color: var(--muted); }
.footer-title { margin-bottom: 8px; font-size: 12px; font-weight: 600; color: var(--ink); }
.footer-grid > div:not(.footer-brand) a,
.footer-grid > div:not(.footer-brand) p { display: block; margin-bottom: 4px; font-size: 12.5px; color: var(--muted); }
.footer-grid a:hover { color: var(--blue); }
.footer-bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 20px;
  margin-top: 26px; padding-top: 14px;
  border-top: 1px solid rgba(14, 26, 51, .08);
  font-size: 11.5px; line-height: 1.8; color: var(--muted);
}
.footer-bottom a { color: var(--blue); }
.footer-bottom span { max-width: 72ch; }

@media (max-width: 960px) {
  main > section { padding-bottom: 72px; }
  .trio-wrap, .trio-wrap.trio { padding-top: 40px; }
  .plans { grid-template-columns: 1fr; }
  .plan .for { min-height: 0; }
  .about { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .drawer { max-height: calc(100vh - 110px); overflow: auto; }
}
@media (max-width: 560px) {
  h1 { font-size: clamp(34px, 9.2vw, 44px); }
  .footer-grid { grid-template-columns: 1fr; gap: 20px; }
  .contact { padding: 24px; }
  .about { padding: 24px; }
  .plan { padding: 24px; }
}

/* reveal is opt-in: content stays visible if JS fails */
.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; }
}

/* keep Chinese headline and intro lines from leaving a one-character orphan */
.lead { text-wrap: balance; }
.head h2, .about h2, .contact h2 { text-wrap: balance; }
.br-mobile { display: none; }
@media (max-width: 560px) { .br-mobile { display: inline; } }
@media (max-width: 380px) { h1 { font-size: 30px; } }

/* official enterprise versions */
.plan h3 { font-size: 34px; margin: 10px 0 4px; }
.plan h3 small { margin-left: 2px; font-size: 13px; font-weight: 400; color: var(--muted); letter-spacing: 0; }
.plan.featured h3 small { color: #DCE6FF; }
.plan .quota {
  margin: 14px 0 2px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, .62);
  font-size: 12px;
  line-height: 1.7;
  color: var(--ink);
}
.plan .quota span { display: block; font-size: 11.5px; color: var(--muted); }
.plan.featured .quota { background: rgba(255, 255, 255, .15); color: #fff; }
.plan.featured .quota span { color: #DCE6FF; }
.version-notes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 18px;
  padding: 20px 24px;
  border-radius: var(--r-md);
}
.version-notes b { font-size: 12.5px; font-weight: 600; color: var(--ink); }
.version-notes p { margin-top: 3px; font-size: 11.5px; line-height: 1.8; color: var(--muted); }
@media (max-width: 960px) { .version-notes { grid-template-columns: 1fr; gap: 14px; } }

/* contact detail alignment on small screens */
.contact dl div { align-items: baseline; }
.contact dl dt { width: 64px; flex: none; }
.contact dl dd { flex: 1; min-width: 0; font-size: 13.5px; }
@media (max-width: 560px) {
  .contact dl div { gap: 12px; padding: 12px; }
  .contact dl dd { font-size: 13px; }
}

/* burger -> close icon */
.burger span { transition: transform .2s, opacity .2s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* hint that the agent tabs can scroll on mobile */
@media (max-width: 960px) {
  .side {
    -webkit-mask-image: linear-gradient(to right, #000 0 92%, transparent 100%);
    mask-image: linear-gradient(to right, #000 0 92%, transparent 100%);
    scrollbar-width: none;
  }
  .side::-webkit-scrollbar { display: none; }
}

/* video tutorials */
.video-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.video-card {
  display: flex;
  flex-direction: column;
  padding: 14px;
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform .2s, box-shadow .2s;
}
.video-card:hover { transform: translateY(-2px); }
.video-card.featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.32fr .68fr;
  gap: 22px;
  align-items: stretch;
}
.video-shell {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 16px;
  overflow: hidden;
  background: #0E1A33;
}
.video-card.featured .video-shell { height: 100%; aspect-ratio: auto; min-height: 280px; }
.video-shell video { display: block; width: 100%; height: 100%; object-fit: cover; background: #0E1A33; }
.play {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 64px;
  height: 64px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: rgba(255, 255, 255, .9);
  box-shadow: 0 10px 30px rgba(14, 26, 51, .25);
  pointer-events: none;
  transition: opacity .2s, transform .2s;
}
.play::before {
  content: "";
  position: absolute;
  left: 52%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-left: 16px solid var(--blue);
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
}
.video-card:hover .play { transform: translate(-50%, -50%) scale(1.04); }
.video-shell.playing .play { opacity: 0; transform: translate(-50%, -50%) scale(.9); }
.duration {
  position: absolute;
  right: 10px;
  top: 10px;
  padding: 3px 7px;
  border-radius: 6px;
  background: rgba(14, 26, 51, .72);
  color: #fff;
  font-size: 10px;
  letter-spacing: .04em;
}
.video-info { display: flex; flex-direction: column; padding: 14px 8px 6px; }
.video-card.featured .video-info { padding: 18px 8px 6px 0; justify-content: center; }
.video-tag { font-size: 10.5px; letter-spacing: .06em; color: var(--blue); }
.video-info h3 { margin: 8px 0 4px; font-size: 22px; line-height: 1.25; letter-spacing: -.01em; }
.video-card.featured .video-info h3 { font-size: 30px; }
.video-sub { font-size: 13px; line-height: 1.7; color: var(--muted); }
.video-src { margin-top: auto; padding-top: 12px; font-size: 10.5px; line-height: 1.6; color: #7C8799; }
.video-note { max-width: 820px; margin: 18px auto 0; text-align: center; font-size: 11px; line-height: 1.8; color: var(--muted); }
.video-note a { color: var(--blue); border-bottom: 1px solid rgba(1, 65, 193, .3); }
@media (max-width: 1100px) { .video-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 760px) { .video-grid { grid-template-columns: 1fr; } }
.video-desc { margin-top: 14px; font-size: 13px; line-height: 1.8; color: #4D4F52; }
.video-meta { margin-top: 8px; font-size: 10.5px; color: var(--muted); }
.video-link { display: inline-block; width: fit-content; margin-top: 14px; padding-bottom: 2px; font-size: 12px; color: var(--blue); border-bottom: 1px solid rgba(1,65,193,.35); }
.video-link:hover { color: var(--ink); border-color: var(--ink); }

/* clean facade: poster is visible until the user presses play */
.video-shell { position: relative; }
.video-hit {
  position: absolute;
  inset: 0;
  z-index: 2;
  border: 0;
  border-radius: 16px;
  background: transparent;
  cursor: pointer;
}
.video-hit:hover { background: rgba(255, 255, 255, .06); }
.video-hit:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
.video-card.is-playing .video-hit { display: none; }
/* header CTA removed: keep the nav balanced */
.bar { padding-right: 20px; }
.menu { margin-right: 4px; }
@media (max-width: 960px) {
  .bar { padding-right: 10px; }
  .menu { margin-right: 0; }
}
/* brand subtitle: service-provider identity */
.logo-text { display: flex; flex-direction: column; line-height: 1.12; }
.logo small {
  margin: 3px 0 0;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--muted);
  white-space: nowrap;
}
.brand-sub-mobile { display: none; }
@media (max-width: 760px) {
  .brand-sub-full { display: none; }
  .brand-sub-mobile { display: inline; }
  .logo small { font-size: 9.5px; }
}

/* real app screenshot in hero */
.real-app { max-width: 1000px; padding: 12px; }
.real-app img { display: block; width: 100%; height: auto; border-radius: 18px; }
.real-app figcaption {
  padding: 10px 4px 2px;
  text-align: center;
  font-size: 10.5px;
  letter-spacing: .04em;
  color: var(--muted);
}

/* capability cards with official tutorial thumbnails */
.cap-label { margin-bottom: 10px; font-size: 10.5px; letter-spacing: .08em; color: var(--blue); }
.bento .a .cap-label { color: #DCE6FF; }
.bento .a h3, .bento .b h3, .bento .c h3, .bento .d h3 { margin-bottom: 8px; }
.thumb-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: auto; padding-top: 20px; }
.video-thumb {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  padding: 0;
  border: 0;
  border-radius: 12px;
  overflow: hidden;
  background: #0E1A33;
  cursor: pointer;
}
.video-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .25s; }
.video-thumb:hover img { transform: scale(1.035); }
.video-thumb:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
.bento .a .video-thumb:focus-visible { outline-color: #fff; }
.bento .b .video-thumb, .bento .c .video-thumb { margin-top: auto; padding-top: 0; }
.bento .b, .bento .c { gap: 0; }
.bento .b .video-thumb, .bento .c .video-thumb { margin-top: 20px; }
.bento .d { display: grid; grid-template-columns: 1fr 1.05fr; gap: 24px; align-items: center; }
.bento .d .video-thumb { margin: 0; }
.bento .d .cap-text p { margin-bottom: 0; }
.bento .d .tags { margin-top: 14px; }
.bento .d .video-thumb { aspect-ratio: 16 / 9; }

/* video modal */
.video-modal { position: fixed; inset: 0; z-index: 120; display: none; align-items: center; justify-content: center; padding: 24px; }
.video-modal.open { display: flex; }
.video-modal-bg { position: absolute; inset: 0; background: rgba(7, 16, 30, .78); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.video-dialog {
  position: relative;
  width: min(1000px, 100%);
  padding: 14px;
  border-radius: 24px;
  background: rgba(255, 255, 255, .97);
  box-shadow: 0 40px 100px -30px rgba(0, 0, 0, .55);
}
.video-dialog video { display: block; width: 100%; aspect-ratio: 16 / 9; border-radius: 16px; background: #0E1A33; }
.video-close {
  position: absolute;
  top: -14px;
  right: -14px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(14, 26, 51, .12);
  background: #fff;
  color: var(--ink);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 10px 24px -10px rgba(14, 26, 51, .3);
}
.video-close:hover { color: var(--blue); }
.video-dialog-meta { padding: 14px 8px 4px; }
.video-dialog-meta p { font-size: 10.5px; color: var(--blue); letter-spacing: .05em; }
.video-dialog-meta h3 { margin-top: 4px; font-size: 20px; }
@media (max-width: 960px) {
  .bento .d { grid-template-columns: 1fr; gap: 16px; }
  .bento .b .video-thumb, .bento .c .video-thumb { margin-top: 16px; }
}
@media (max-width: 560px) {
  .real-app { padding: 8px; }
  .thumb-row { gap: 6px; }
  .video-dialog { padding: 8px; }
  .video-close { top: 6px; right: 6px; }
}
.plans.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.plan .official { margin-top: 16px; font-size: 10px; color: var(--muted); letter-spacing: .04em; }
.plan.featured .official { color: #DCE6FF; }
.plan-source { margin-top: 14px; text-align: center; font-size: 10.5px; color: var(--muted); }
.plan-source a { color: var(--blue); border-bottom: 1px solid rgba(1,65,193,.3); }
@media (max-width: 1100px) { .plans.four { grid-template-columns: 1fr 1fr; } }
@media (max-width: 760px) { .plans.four { grid-template-columns: 1fr; } }
.cap-say { margin-top: 14px; padding: 10px 12px; border-radius: 12px; background: #F5F7FB; color: var(--ink); font-size: 12px; line-height: 1.7; }
@media (max-width: 560px) {
  .thumb-row { grid-template-columns: 1fr; }
}

/* real interface carousel */
.real-app { max-width: 1000px; padding: 10px; }
.app-slides {
  position: relative;
  aspect-ratio: 2620 / 1622;
  border-radius: 18px;
  overflow: hidden;
  background: #fff;
}
.app-slide { position: absolute; inset: 0; margin: 0; opacity: 0; transition: opacity .75s ease; }
.app-slide.is-active { opacity: 1; }
.app-slide img { display: block; width: 100%; height: 100%; object-fit: cover; }
.app-slide.is-active img { animation: app-drift 9s ease-out both; }
@keyframes app-drift { from { transform: scale(1); } to { transform: scale(1.018); } }
.app-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 4px 3px;
  font-size: 10.5px;
  letter-spacing: .04em;
  color: var(--muted);
}
.app-dots { display: flex; gap: 6px; }
.app-dot {
  padding: 4px 9px;
  border: 1px solid rgba(14, 26, 51, .12);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 10.5px;
  cursor: pointer;
}
.app-dot.is-active { border-color: rgba(1, 65, 193, .28); background: rgba(1, 65, 193, .07); color: var(--blue); }
.app-dot:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
@media (max-width: 560px) {
  .app-caption { flex-wrap: wrap; gap: 7px; }
  .app-dot { padding: 3px 7px; }
}
@media (prefers-reduced-motion: reduce) {
  .app-slide { transition: none; }
  .app-slide.is-active img { animation: none; }
}

/* capability + tutorial console */
.cap-console {
  display: grid;
  grid-template-columns: minmax(280px, .82fr) minmax(0, 1.38fr);
  gap: 12px;
  padding: 12px;
  border-radius: 28px;
}
.cap-nav { display: flex; flex-direction: column; gap: 4px; padding: 8px; border-radius: 20px; background: rgba(255, 255, 255, .55); }
.cap-tab {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 10px;
  align-items: start;
  padding: 16px;
  border: 0;
  border-radius: 14px;
  background: transparent;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: background .2s, color .2s, box-shadow .2s;
}
.cap-tab:hover { background: rgba(255, 255, 255, .9); }
.cap-tab.is-active {
  background: linear-gradient(135deg, #0141C1, #2F6BFF);
  color: #fff;
  box-shadow: 0 14px 30px -18px rgba(1, 65, 193, .65);
}
.cap-no { padding-top: 2px; font-size: 9.5px; letter-spacing: .08em; color: var(--muted); }
.cap-tab.is-active .cap-no { color: rgba(255, 255, 255, .62); }
.cap-tab b { display: block; font-size: 15.5px; font-weight: 600; line-height: 1.3; }
.cap-tab small { display: block; margin-top: 4px; font-size: 11px; line-height: 1.55; color: var(--muted); }
.cap-tab.is-active small { color: rgba(255, 255, 255, .68); }
.cap-tab:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.cap-tab.is-active:focus-visible { outline-color: #fff; }

.cap-stage {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 14px;
  border-radius: 20px;
  background: #0E1A33;
}
.cap-stage-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.cap-stage-label { font-size: 9.5px; letter-spacing: .1em; color: rgba(255, 255, 255, .5); }
.cap-chips { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 4px; }
.cap-chip {
  padding: 4px 8px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 999px;
  background: transparent;
  color: rgba(255, 255, 255, .62);
  font-size: 9.5px;
  line-height: 1.4;
  cursor: pointer;
}
.cap-chip:hover { border-color: rgba(255, 255, 255, .38); color: #fff; }
.cap-chip.is-active { border-color: #fff; background: #fff; color: #0E1A33; }
.cap-chip:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
.cap-poster {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  padding: 0;
  border: 0;
  border-radius: 14px;
  overflow: hidden;
  background: #08101F;
  cursor: pointer;
}
.cap-poster img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.cap-poster:hover img { transform: scale(1.025); }
.cap-poster:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }
.cap-play {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 62px;
  height: 62px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 12px 30px -10px rgba(0, 0, 0, .4);
  pointer-events: none;
}
.cap-play::before {
  content: "";
  position: absolute;
  left: 53%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-left: 16px solid #0B5BD3;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
}
.cap-meta { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; padding: 12px 2px 2px; }
.cap-meta p { font-size: 9.5px; letter-spacing: .05em; color: rgba(255, 255, 255, .5); }
.cap-meta h3 { font-size: 19px; color: #fff; }
@media (max-width: 960px) {
  .cap-console { grid-template-columns: 1fr; }
  .cap-nav { display: grid; grid-template-columns: 1fr 1fr; }
  .cap-tab { padding: 13px; }
}
@media (max-width: 560px) {
  .cap-nav { grid-template-columns: 1fr; }
  .cap-tab { padding: 12px 14px; }
  .cap-meta { align-items: flex-start; flex-direction: column; gap: 4px; }
}

/* five merchant types: 3 + 2 */
.who { grid-template-columns: repeat(6, 1fr); }
.who > div { grid-column: span 2; }
.who > div:nth-child(4), .who > div:nth-child(5) { grid-column: span 3; }
@media (max-width: 960px) {
  .who { grid-template-columns: 1fr 1fr; }
  .who > div, .who > div:nth-child(4), .who > div:nth-child(5) { grid-column: auto; }
}
@media (max-width: 560px) {
  .who { grid-template-columns: 1fr; }
}
.plans { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 960px) { .plans { grid-template-columns: 1fr; } }
.cap-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding: 14px 16px;
  border-radius: 12px;
  color: var(--blue);
  font-size: 12px;
  border-top: 1px solid rgba(14, 26, 51, .08);
}
.cap-cta:hover { background: rgba(255, 255, 255, .7); }
@media (max-width: 960px) {
  .cap-cta { grid-column: 1 / -1; margin-top: 4px; }
}
@media (max-width: 560px) {
  .cap-stage-head { flex-direction: column; align-items: flex-start; gap: 6px; }
  .cap-stage-label { white-space: nowrap; }
  .cap-chips { justify-content: flex-start; }
}

/* capability cards with inline tutorial links */
.cap-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.cap-card { display: flex; flex-direction: column; padding: 28px; border-radius: 24px; }
.cap-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.cap-icon { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: #EDF3FF; color: var(--blue); }
.cap-icon svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.cap-no { font-size: 10px; letter-spacing: .08em; color: var(--muted); }
.cap-card h3 { font-size: 22px; margin-bottom: 8px; }
.cap-card > p { font-size: 14px; line-height: 1.8; color: var(--muted); }
.cap-quote { margin-top: 14px; padding: 10px 12px; border-radius: 11px; background: #F5F8FD; color: var(--ink); font-size: 12px; line-height: 1.7; }
.cap-videos { margin-top: auto; padding-top: 18px; border-top: 1px solid rgba(14, 26, 51, .08); }
.cap-videos-label { margin-bottom: 3px; font-size: 9.5px; letter-spacing: .1em; color: var(--blue); }
.cap-video-link {
  display: flex;
  align-items: center;
  gap: 9px;
  width: 100%;
  padding: 7px 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-size: 12.5px;
  text-align: left;
  cursor: pointer;
}
.cap-video-link + .cap-video-link { border-top: 1px dashed rgba(14, 26, 51, .08); }
.cap-video-link:hover { color: var(--blue); }
.cap-video-link:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; border-radius: 4px; }
.cap-play-small { display: grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; background: var(--blue); color: #fff; font-size: 8px; line-height: 1; transition: transform .2s; }
.cap-video-link:hover .cap-play-small { transform: scale(1.08); }
.cap-time { margin-left: auto; color: var(--muted); font-size: 10.5px; }
@media (max-width: 860px) {
  .cap-grid { grid-template-columns: 1fr; }
  .cap-card { padding: 24px; }
}
.cap-videos { display: flex; flex-wrap: wrap; gap: 6px; }
.cap-videos-label { width: 100%; margin-bottom: 2px; }
.cap-video-link {
  display: inline-flex;
  width: auto;
  padding: 6px 9px;
  border: 1px solid rgba(14, 26, 51, .1);
  border-radius: 999px;
  font-size: 11.5px;
}
.cap-video-link + .cap-video-link { border-top: 1px solid rgba(14, 26, 51, .1); }
.cap-video-link:hover { border-color: rgba(1, 65, 193, .3); background: rgba(1, 65, 193, .04); }
.cap-time { margin-left: 0; }

/* official 5-minute intro video */
.intro-video { position: relative; aspect-ratio: 16 / 9; border-radius: 18px; overflow: hidden; background: #0E1A33; }
.intro-video video { display: block; width: 100%; height: 100%; object-fit: cover; }
.intro-play {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 78px;
  height: 78px;
  transform: translate(-50%, -50%);
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, .93);
  box-shadow: 0 14px 34px -12px rgba(0, 0, 0, .4);
  cursor: pointer;
  transition: transform .2s, opacity .2s;
}
.intro-play:hover { transform: translate(-50%, -50%) scale(1.05); }
.intro-play:focus-visible { outline: 3px solid #fff; outline-offset: 4px; }
.intro-play span {
  position: absolute;
  left: 53%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-left: 21px solid #0B5BD3;
  border-top: 13px solid transparent;
  border-bottom: 13px solid transparent;
}
.intro-play.is-hidden { opacity: 0; pointer-events: none; }
.intro-time { color: var(--blue); font-size: 10.5px; letter-spacing: .04em; }
/* the poster already contains the official play glyph; use a transparent hit area */
.intro-play {
  inset: 0;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
.intro-play:hover { transform: none; background: rgba(255, 255, 255, .04); }
.intro-play:focus-visible { outline: 3px solid #fff; outline-offset: -4px; }
.intro-play span { display: none; }
.bento .cap-videos { margin-top: 12px; padding-top: 12px; }
.bento .a .cap-videos { border-top-color: rgba(255, 255, 255, .18); }
.bento .a .cap-videos-label { color: rgba(255, 255, 255, .65); }
.bento .a .cap-video-link { color: #fff; border-color: rgba(255, 255, 255, .25); }
.bento .a .cap-video-link:hover { color: #fff; background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .45); }
.bento .a .cap-time { color: rgba(255, 255, 255, .62); }
.bento .a .cap-play-small { background: #fff; color: var(--blue); }
/* restore first-version bento: image card is a normal vertical card */
.bento .d { display: flex; grid-template-columns: none; gap: 0; align-items: stretch; }
/* visible play affordance on the clean UI poster */
.intro-play {
  inset: auto;
  top: 50%;
  left: 50%;
  width: 78px;
  height: 78px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: rgba(255, 255, 255, .94);
  box-shadow: 0 14px 34px -12px rgba(0, 0, 0, .42);
}
.intro-play:hover { transform: translate(-50%, -50%) scale(1.05); background: #fff; }
.intro-play span {
  display: block;
  position: absolute;
  left: 53%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-left: 21px solid #0B5BD3;
  border-top: 13px solid transparent;
  border-bottom: 13px solid transparent;
}
.intro-play {
  padding: 0;
  border: 0;
  aspect-ratio: 1 / 1;
}
.intro-play { background: #0B5BD3; box-shadow: 0 16px 36px -14px rgba(11, 91, 211, .65); }
.intro-play:hover { background: #0141C1; }
.intro-play span { border-left-color: #fff; }

/* separate official tutorial gallery */
.tutorial-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.tutorial-card { padding: 12px; border-radius: 22px; overflow: hidden; transition: transform .2s, box-shadow .2s; }
.tutorial-card:hover { transform: translateY(-2px); }
.tutorial-media { display: block; width: 100%; aspect-ratio: 16 / 9; padding: 0; border: 0; border-radius: 14px; overflow: hidden; background: #0E1A33; cursor: pointer; }
.tutorial-media img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.tutorial-media:hover img { transform: scale(1.03); }
.tutorial-media:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
.tutorial-copy { padding: 12px 6px 4px; }
.tutorial-copy p { font-size: 9.5px; letter-spacing: .05em; color: var(--blue); }
.tutorial-copy h3 { margin: 4px 0; font-size: 16px; line-height: 1.35; }
.tutorial-copy span { display: block; font-size: 11.5px; line-height: 1.65; color: var(--muted); }
@media (max-width: 960px) { .tutorial-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .tutorial-grid { grid-template-columns: 1fr; } }

/* mobile intro cover: replace tiny desktop UI text with a readable title card */
.intro-mobile-cover { display: none; }
@media (max-width: 600px) {
  .intro-mobile-cover {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 22px;
    background: linear-gradient(135deg, #0B2A5B 0%, #0B5BD3 68%, #5B8CFF 100%);
    color: #fff;
    pointer-events: none;
  }
  .intro-mobile-cover span { font-size: 12px; letter-spacing: .08em; opacity: .72; }
  .intro-mobile-cover strong { margin: 5px 0; font-size: clamp(27px, 8vw, 34px); line-height: 1.15; }
  .intro-mobile-cover small { font-size: 10.5px; letter-spacing: .04em; opacity: .68; }
  .intro-video.is-playing .intro-mobile-cover { display: none; }
}

/* mobile comparison table: stack into readable cards */
@media (max-width: 700px) {
  .cmp { padding: 12px; overflow: visible; }
  .cmp table,
  .cmp thead,
  .cmp tbody,
  .cmp tr,
  .cmp th,
  .cmp td { display: block; width: 100%; min-width: 0; }
  .cmp thead { display: none; }
  .cmp tbody tr {
    margin-bottom: 10px;
    padding: 15px;
    border: 1px solid rgba(14, 26, 51, .08);
    border-radius: 14px;
    background: rgba(255, 255, 255, .55);
  }
  .cmp tbody tr:last-child { margin-bottom: 0; }
  .cmp tbody th { width: 100%; padding: 0 0 8px; border: 0; font-size: 15.5px; color: var(--ink); }
  .cmp tbody td { padding: 7px 0; border: 0; font-size: 12.5px; line-height: 1.7; }
  .cmp tbody td::before {
    display: block;
    margin-bottom: 2px;
    font-size: 9.5px;
    letter-spacing: .06em;
    color: var(--muted);
  }
  .cmp tbody td:nth-child(2)::before { content: "常见情况"; }
  .cmp tbody td:nth-child(3)::before { content: "Accio Work"; color: var(--blue); }
  .cmp tbody td.us { margin-top: 4px; padding: 10px; border-radius: 10px; }
}
.intro-play { z-index: 2; }
@media (max-width: 600px) {
  .intro-play { background: #fff; box-shadow: 0 14px 34px -12px rgba(0, 0, 0, .5); }
  .intro-play span { border-left-color: #0B5BD3; }
}
@media (max-width: 600px) {
  .intro-play {
    top: 18px;
    right: 18px;
    left: auto;
    width: 56px;
    height: 56px;
    transform: none;
  }
  .intro-play:hover { transform: scale(1.04); }
}
@media (max-width: 360px) {
  .pill {
    display: inline-block;
    max-width: 100%;
    padding: 8px 12px;
    text-align: center;
    font-size: 11px;
    line-height: 1.6;
  }
  .pill::before { display: none; }
}