.case-section-head{justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px;display:flex}.case-section-head .section-head{max-width:760px;margin:0}.case-section-head .section-head>p:last-child{color:var(--secondary);margin:16px 0 0;font-size:15px;line-height:1.75}.case-all{flex-shrink:0;padding:10px 0;font-size:14px;font-weight:600;text-decoration:none}.case-all:hover{text-decoration:underline}.case-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;display:grid}.case-card{border:1px solid var(--divider);background:var(--surface);min-width:0;color:var(--text);border-radius:20px;flex-direction:column;padding:28px;text-decoration:none;display:flex}.case-card:hover{border-color:var(--accent-text)}.case-card-top{color:var(--secondary);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;font-size:12px;display:flex}.case-badge{border:1px solid var(--divider);letter-spacing:0;text-transform:none;color:var(--secondary);border-radius:999px;padding:3px 10px;font-size:11px;font-weight:500;display:inline-block}.case-card h3{letter-spacing:-.025em;text-wrap:balance;margin:20px 0 10px;font-size:23px;line-height:1.35}.case-card-description{color:var(--secondary);max-width:48ch;margin:0 0 24px;font-size:14.5px;line-height:1.75}.case-message{background:var(--background);border:1px solid var(--divider);border-radius:14px;min-width:0;padding:18px 20px}.case-card .case-message{margin-top:auto}.case-message-meta{color:var(--secondary);flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 12px;font-size:11px;display:flex}.case-message-meta small{margin-left:auto;font-size:10px}.case-app-mark{background:var(--text);color:var(--background);border-radius:6px;place-items:center;width:20px;height:20px;font-size:14px;font-weight:700;display:grid}.case-message-title{margin:0 0 4px;font-size:14px;font-weight:650;line-height:1.5}.case-message-body{color:var(--secondary);margin:0;font-size:13px;line-height:1.65}.case-message-options{flex-wrap:wrap;gap:8px;margin:14px 0 0;padding:0;list-style:none;display:flex}.case-message-options li{border:1px solid var(--divider);color:var(--accent-text);border-radius:7px;padding:4px 12px;font-size:12px}.case-card-link{color:var(--accent-text);justify-content:space-between;align-items:center;padding-top:22px;font-size:13px;font-weight:600;display:flex}.case-card-link>span{font-size:20px}.case-page{max-width:1144px;margin:0 auto;padding:24px 32px 72px}.case-breadcrumb{color:var(--secondary);flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:48px;font-size:12px;display:flex}.case-breadcrumb a{color:var(--secondary);text-decoration:none}.case-breadcrumb a:hover{text-decoration:underline}.case-index-head{max-width:800px;margin:0 0 44px}.case-index-head .eyebrow{margin:0 0 18px}.case-page h1{letter-spacing:-.04em;text-wrap:balance;margin:0 0 22px;font-size:clamp(32px,4.5vw,56px);font-weight:650;line-height:1.18}.case-page h1:lang(zh){letter-spacing:-.025em;line-height:1.3}.case-lead{color:var(--secondary);margin:0;font-size:18px;line-height:1.8}.case-index-note{color:var(--secondary);margin:24px 0 0;font-size:13px}.case-index-end{border-top:1px solid var(--divider);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;margin-top:36px;padding:24px 0;font-size:15px;display:flex}.case-index-end p{color:var(--secondary);margin:0}.case-detail-head{grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);align-items:center;gap:48px;margin-bottom:56px;display:grid}.case-detail-head .eyebrow{flex-wrap:wrap;align-items:center;gap:14px;margin-top:0;display:flex}.case-primary{margin:24px 0 0;font-size:14px}.case-updated{color:var(--secondary);margin:18px 0 0;font-size:11px}.case-message-stage{background:var(--surface);border:1px solid var(--divider);border-radius:24px;padding:30px}.case-stage-caption{color:var(--secondary);margin:0 0 20px;font-size:13px}.case-message-stage .case-message{padding:22px;box-shadow:0 12px 30px #00000006}.case-page h2{letter-spacing:-.025em;margin:0 0 20px;font-size:25px;font-weight:650;line-height:1.3}.case-story{max-width:780px;margin-bottom:48px}.case-story p,.case-notes p{color:var(--secondary);margin:0;font-size:15px;line-height:1.9}.case-setup{border-top:1px solid var(--divider);padding:36px 0 44px}.case-steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin:28px 0 0;padding:0;list-style:none;display:grid}.case-step-number{color:var(--accent-text);margin-bottom:16px;font:13px ui-monospace,monospace;display:block}.case-steps h3{margin:0 0 10px;font-size:17px;line-height:1.4}.case-steps p{color:var(--secondary);margin:0;font-size:14px;line-height:1.8}.case-start{background:var(--surface);border:1px solid var(--divider);border-radius:20px;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;margin:8px 0 48px;padding:32px;display:grid}.case-start h2{margin-bottom:10px}.case-start p{color:var(--secondary);font-size:14px}.case-start .phone-download-block{margin:16px 0 0}.case-start-links{flex-direction:column;justify-content:center;align-items:start;gap:18px;font-size:14px;display:flex}.case-start-links .button{text-align:center;max-width:100%;font-size:14px}.case-notes{max-width:780px}.case-notes>section{margin-bottom:40px}.case-notes .code-block{margin-top:22px}.case-notes pre{white-space:pre-wrap;overflow-wrap:anywhere;margin:0;font-size:13px;line-height:1.75}.case-notes .code-toolbar{color:var(--secondary);background:var(--surface);border:1px solid var(--divider);border-radius:12px 12px 0 0;justify-content:space-between;align-items:center;gap:12px;padding:10px 14px;font-size:12px;display:flex}.case-notes .code-toolbar button{min-height:36px;padding:4px 14px;font-size:12px}.case-notes .code-toolbar+pre{border-top:0;border-radius:0 0 12px 12px}.case-limits{border-left:2px solid var(--divider);padding-left:22px}.case-related{border-top:1px solid var(--divider);margin-top:48px;padding-top:40px}.case-related h2{margin:0}@media (width<=760px){.case-section-head{flex-direction:column;align-items:start;gap:8px}.case-grid{grid-template-columns:minmax(0,1fr);gap:16px}.case-card{padding:22px}.case-card h3{font-size:21px}.case-page{padding:16px 20px 48px}.case-breadcrumb,.case-index-head{margin-bottom:32px}.case-lead{font-size:16px}.case-detail-head{grid-template-columns:minmax(0,1fr);gap:28px;margin-bottom:36px}.case-message-stage{padding:22px}.case-steps{grid-template-columns:minmax(0,1fr);gap:24px}.case-steps li{border-bottom:1px solid var(--divider);padding-bottom:24px}.case-steps li:last-child{border:0;padding:0}.case-step-number{margin-bottom:8px}.case-start{grid-template-columns:minmax(0,1fr);gap:20px;padding:22px}.case-start-links{align-items:stretch}.case-page h2{font-size:23px}.case-message{padding:16px}.case-message-stage .case-message{padding:18px}.case-notes pre{font-size:12px}}.phone-download-block{margin-block:12px}.phone-downloads{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.store-download{border:1px solid var(--divider);background:var(--surface);min-height:54px;color:var(--text);border-radius:12px;justify-content:space-between;align-items:center;gap:12px;padding:13px 16px;font-weight:650;text-decoration:none;display:flex}.store-download>span{white-space:nowrap;font-size:14px}.store-download small{white-space:nowrap;color:var(--secondary);font-size:12px;font-weight:450}.store-download:hover{border-color:var(--text)}.store-download:focus-visible,.download-direct:focus-visible,.download-close:focus-visible{outline:3px solid var(--text);outline-offset:4px}.download-hint{color:var(--secondary);margin:9px 0 0!important;font-size:12px!important;line-height:1.5!important}.download-dialog{box-sizing:border-box;border:1px solid var(--divider);background:var(--background);width:min(440px,100% - 32px);max-height:calc(100dvh - 32px);color:var(--text);text-align:center;border-radius:22px;padding:32px 28px 24px;overflow:auto;box-shadow:0 24px 100px #0004}.download-dialog:not([open]){display:none}.download-dialog::backdrop{backdrop-filter:blur(4px);background:#0008}.download-dialog .eyebrow{margin:0 32px 10px}.download-dialog h2{letter-spacing:-.6px;margin:0 0 10px;font-size:25px;line-height:1.25}.download-dialog p{font-size:14px;line-height:1.6}.download-close{width:44px;height:44px;min-height:44px;color:var(--secondary);cursor:pointer;background:0 0;border:0;border-radius:50%;place-items:center;font-size:28px;display:grid;position:absolute;top:10px;right:12px}.download-close:hover{background:var(--surface);color:var(--text)}.download-qr{aspect-ratio:1;width:256px;max-width:100%;height:auto;image-rendering:pixelated;background:#fff;border-radius:12px;margin:20px auto;display:block}.download-direct{border:1px solid var(--text);background:var(--text);min-height:46px;color:var(--background);border-radius:10px;justify-content:center;align-items:center;gap:12px;padding:10px 20px;font-weight:650;text-decoration:none;display:inline-flex}.download-dialog .download-qr-note{color:var(--secondary);margin:16px 0 0;font-size:12px}.download-open{overflow:hidden}@media (width<=420px){.store-download{gap:6px;padding:12px}.store-download small{font-size:11px}.download-dialog{padding:28px 20px 20px}}@media (width<=480px){.store-download{flex-direction:column;align-items:flex-start;gap:2px}.store-download small{font-size:11px}}