.trap{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.contact-form .button[disabled]{cursor:progress;opacity:.6}.contact-form{gap:20px;display:grid}.field-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 24px;display:grid}.field{border:0;align-content:start;gap:6px;min-width:0;margin:0;padding:0;display:grid}.field>label,.field>legend{padding:0;font-size:13px;font-weight:500;line-height:1.4}.field>legend{margin-bottom:8px}.optional{color:var(--muted);margin-left:4px;font-weight:400}.field input,.field select,.field textarea{border:0;border-bottom:1.5px solid var(--ink);width:100%;min-height:46px;color:var(--ink);font:inherit;background-color:#0000;border-radius:0;margin:0;padding:6px 0;font-size:17px}.field select{appearance:none;background-image:linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%);cursor:pointer;background-position:calc(100% - 12px),calc(100% - 7px);background-repeat:no-repeat;background-size:5px 5px;padding-right:28px}.field textarea{border:1.5px solid var(--ink);background:var(--white);resize:vertical;min-height:8rem;padding:10px 12px;line-height:1.45}.field input:focus-visible,.field select:focus-visible,.field textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.field[data-invalid] input,.field[data-invalid] select,.field[data-invalid] textarea{border-bottom:3px solid var(--error,#b42318)}.field[data-invalid] .choices label>span{border-color:var(--error,#b42318)}.hint{font-size:12px}.choices{flex-wrap:wrap;gap:8px;display:flex}.choices label{cursor:pointer;position:relative}.choices input{opacity:0;width:1px;height:1px;position:absolute}.choices label>span{border:1px solid var(--line);background:var(--white);align-items:center;min-height:40px;padding:8px 12px;font-size:14px;line-height:1.3;display:inline-flex}.choices label:hover>span{border-color:var(--ink)}.choices input:checked+span{border-color:var(--accent);background:var(--accent);color:var(--white)}.choices input:focus-visible+span{outline:2px solid var(--accent);outline-offset:3px}.notice{font-size:12px}.contact-status{color:var(--ink);font-size:14px;font-weight:500}.contact-status:empty{display:none}.contact-actions{justify-content:flex-end;gap:12px;display:flex}.contact-success{align-content:center;justify-items:start;gap:16px;min-height:22rem;display:grid}.contact-success-title{letter-spacing:-.03em;font-size:clamp(30px,3vw,44px);line-height:1.05}.contact-success-title:focus{outline:none}.contact-success p:not(.label){color:var(--ink-2)}@media (width<=40rem){.field-grid{grid-template-columns:minmax(0,1fr)}.choices label>span{min-height:44px}}.contact-dialog{border:1.5px solid var(--ink);background:var(--white);width:min(1000px,100% - 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1rem);max-height:calc(100dvh - 1rem)}.contact-dialog-layout{min-height:0;display:block}.contact-dialog-aside{display:none}.contact-dialog-content{padding:28px 20px 20px}}.site-header{border-bottom:1.5px solid var(--accent);grid-template-columns:auto minmax(0,1fr) auto;grid-template-areas:"brand nav actions";align-items:center;gap:8px 24px;padding:20px 0;display:grid}.brand{grid-area:brand;align-items:center;min-height:44px;text-decoration:none;display:inline-flex}.brand-lockup{width:auto;height:21px}.brand-word{color:var(--ink);letter-spacing:.04em;font-size:22px;font-weight:700;line-height:1}.site-nav{font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;flex-wrap:wrap;grid-area:nav;justify-self:start;align-items:center;gap:0 28px;font-size:13px;display:flex}.site-nav a{min-height:44px;color:var(--ink);align-items:center;text-decoration:none;display:inline-flex}.site-nav a:hover,.site-nav a[aria-current=page]{text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:6px;text-decoration-thickness:1.5px}.header-actions{grid-area:actions;align-items:center;gap:12px;display:flex}.account{position:relative}.account-sign-in{border:1.5px solid var(--ink);background:var(--paper);min-height:44px;color:var(--ink);font:inherit;cursor:pointer;padding:0 16px;font-weight:500}.account-trigger{border:1.5px solid var(--ink);background:var(--white);cursor:pointer;place-items:center;width:44px;height:44px;padding:0;display:grid}.account-trigger:hover,.account-trigger[aria-expanded=true]{border-color:var(--accent)}.avatar{object-fit:cover;background:var(--tint,#e9ecff);width:32px;height:32px;color:var(--accent);font-family:var(--font-mono);text-transform:uppercase;place-items:center;font-size:13px;font-weight:500;display:grid}.account-list{z-index:70;border:1.5px solid var(--ink);background:var(--white);width:240px;margin:0;padding:6px;list-style:none;position:absolute;top:calc(100% + 6px);right:0;box-shadow:0 16px 40px #0d0f1424}.account-who{border-bottom:1px solid var(--line);gap:2px;padding:8px 10px 10px;display:grid}.account-who strong{overflow-wrap:anywhere;font-weight:600}.account-who small{color:var(--muted);overflow-wrap:anywhere;font-size:13px}.account-list a,.account-list button{width:100%;color:var(--ink);font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;padding:10px;font-size:15px;text-decoration:none;display:block}.account-list a:hover,.account-list button:hover{background:var(--tint,#e9ecff)}.lang-switch{position:relative}.lang-trigger{width:44px;height:44px;color:var(--ink);cursor:pointer;background:0 0;border:0;place-items:center;padding:0;display:grid}.lang-trigger svg{fill:none;stroke:currentColor;stroke-width:1.5px;width:22px;height:22px}.lang-trigger:hover,.lang-switch.is-open .lang-trigger{color:var(--accent)}.lang-trigger:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.lang-list{z-index:70;border:1.5px solid var(--ink);background:var(--white);min-width:140px;margin:0;padding:6px;list-style:none;display:none;position:absolute;top:calc(100% + 6px);right:0;box-shadow:0 16px 40px #0d0f1424}.lang-list:before{content:"";height:8px;position:absolute;bottom:100%;left:0;right:0}.lang-switch.is-open .lang-list{display:block}@media (hover:hover){.lang-switch:hover .lang-list{display:block}}.lang-list button{width:100%;color:var(--ink);font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;padding:10px;font-size:15px;display:block}.lang-list button:hover{background:var(--tint,#e9ecff)}.lang-list button[aria-current=true]{color:var(--accent);font-weight:600}.sign-in{border:1.5px solid var(--ink);background:var(--paper);width:min(420px,100% - 2rem);color:var(--ink);padding:32px 28px 28px}.sign-in::backdrop{background:#0d0f1473}.sign-in h2{letter-spacing:-.02em;margin:8px 0 0;font-size:30px;font-weight:600}.sign-in-reason{color:var(--ink-2);margin:8px 0 22px}.sign-in-providers{gap:10px;display:grid}.provider{border:1.5px solid var(--ink);background:var(--white);min-height:52px;color:var(--ink);font:inherit;cursor:pointer;justify-content:center;align-items:center;gap:12px;padding:0 18px;font-weight:500;display:flex}.provider[disabled]{cursor:progress;opacity:.6}.provider svg{width:20px;height:20px}.sign-in-status{min-height:1.5em;color:var(--error,#b42318);margin:14px 0 0;font-size:14px}.sign-in-close{width:44px;height:44px;color:var(--ink-2);cursor:pointer;background:0 0;border:0;font-size:26px;line-height:1;position:absolute;top:10px;right:10px}@media (width<=54rem){.site-header{grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"brand actions""nav nav";column-gap:16px}.site-nav{gap:0 20px}}@media (width<=30rem){.header-actions{gap:8px}.header-actions .header-cta{padding:0 12px}.site-nav{gap:0 16px;font-size:12px}}[data-stats]:not(.has-stats) [data-likes],[data-stats]:not(.has-stats) [data-downloads]{visibility:hidden}.sign-in-or{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;margin:18px 0 14px;font-size:12px;display:grid}.sign-in-or:before,.sign-in-or:after{content:"";border-top:1px solid var(--line)}.sign-in-email{gap:8px;display:grid}.sign-in-email label{overflow-wrap:anywhere;font-size:15px;font-weight:500}.sign-in-email input{border:1.5px solid var(--ink);background:var(--white);min-height:48px;color:var(--ink);font:inherit;border-radius:0;padding:0 14px;font-size:16px}.sign-in-email input[name=code]{font-family:var(--font-mono);letter-spacing:.3em;font-size:22px}.sign-in-email input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.sign-in-email .button{width:100%}.sign-in-email .button[disabled]{cursor:progress;opacity:.6}.sign-in-hint{color:var(--muted);margin:2px 0 0;font-size:13px}.inline-button{color:var(--ink-2);font:inherit;text-underline-offset:3px;cursor:pointer;background:0 0;border:0;padding:0;text-decoration:underline}.inline-button:hover{color:var(--accent-strong)}.inline-button[disabled]{cursor:default;opacity:.5;text-decoration:none}.currency-trigger{font-size:19px;font-weight:700}.currency-switch .lang-list button{white-space:nowrap;align-items:baseline;gap:8px;display:flex}.currency-symbol{width:1.1em;font-weight:700}.currency-code{color:var(--muted,#5b6b85);margin-left:auto;font-size:13px}.site-header,.sign-in{--ink:#0b1a33;--ink-2:#33415c;--muted:#5b6b85;--line:#c9d8f0;--paper:#fff;--white:#fff;--accent:#1f78fd;--accent-strong:#0054c8;--tint:#eef4ff;--orange:#fc6400;--orange-strong:#d95500}.site-header{border-bottom:3px solid var(--accent);padding:16px 0}.brand{color:var(--ink);gap:10px}.brand-mark{flex:none;width:40px;height:40px}.brand-word{letter-spacing:.02em;font-size:24px;font-weight:800}:root[lang|=zh] .brand-word{letter-spacing:.06em}.site-nav{letter-spacing:0;text-transform:none;gap:0 28px;font-family:inherit;font-size:16px;font-weight:600}.site-nav a{color:var(--ink-2);border-bottom:3px solid #0000;padding-top:3px}.site-nav a:hover,.site-nav a[aria-current=page]{color:var(--accent-strong);border-bottom-color:var(--orange);text-decoration:none}.site-header .header-publish,.site-header .header-cta{border:2px solid var(--accent);border-radius:0;align-items:center;min-height:44px;font-weight:700;text-decoration:none;display:inline-flex}.site-header .header-publish{border-color:var(--orange);background:var(--orange);color:#fff;clip-path:polygon(0 0,100% 0,calc(100% - 12px) 100%,0 100%);padding:0 28px 0 18px}.site-header .header-publish:hover{border-color:var(--orange-strong);background:var(--orange-strong)}.site-header .header-publish:focus-visible{outline-offset:-6px;outline:2px solid #fff}.site-header a.header-cta{color:var(--accent-strong);clip-path:none;background:#fff;padding:0 16px}.site-header .header-cta:hover{background:var(--tint)}.account-sign-in{border:2px solid var(--accent);color:var(--accent-strong);background:#fff;font-weight:700}.account-sign-in:hover{background:var(--tint)}.account-trigger{border:2px solid var(--accent)}.lang-list,.account-list{border:2px solid var(--accent);box-shadow:0 16px 40px #0b1a3324}.currency-trigger{color:var(--ink)}.sign-in{border:0;border-top:6px solid var(--accent)}.sign-in h2{font-weight:800}.provider{border:2px solid var(--line)}.provider:hover{border-color:var(--accent)}.brand-word,.site-header .header-publish,.site-header .header-cta,.account-sign-in{white-space:nowrap}@media (width<=40rem){.site-header{grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"brand nav""actions actions";padding:12px 0}.site-nav{justify-self:end}.header-actions{gap:6px}.header-actions .currency-switch{margin-left:auto}.header-actions .lang-trigger{width:36px}.brand-mark{width:34px;height:34px}.brand-word{font-size:21px}.site-header .header-publish{padding:0 22px 0 12px}.site-header .header-cta,.account-sign-in{padding:0 12px}}.sign-in-remember{align-items:center;gap:8px;font-size:14px;font-weight:500;display:flex}.sign-in-remember input{width:16px;height:16px;min-height:0;accent-color:var(--accent);margin:0}