:root{--canvas: #08080D;--screen: #0A0A0F;--surface: #14141D;--surface2: #1B1B27;--ink: #EDEAF4;--muted: #8B8798;--line: #262634;--indigo: #5B4FE9;--magenta: #E9509E;--grad: linear-gradient(100deg, #5B4FE9, #E9509E);--stop-red: #FF453A;--teal: #3FD9A4;--amber: #F5A623}*{box-sizing:border-box}html{color-scheme:dark}body{margin:0;background:var(--canvas);color:var(--ink);font-family:-apple-system,PingFang SC,Hiragino Sans GB,Noto Sans SC,Microsoft YaHei,sans-serif;line-height:1.7;font-size:16px}a{color:var(--ink)}a:hover{color:var(--magenta)}:focus-visible{outline:2px solid var(--indigo);outline-offset:2px}.wrap{max-width:1080px;margin:0 auto;padding:0 1.25rem}.topbar{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--canvas) 86%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.topbar .wrap{display:flex;align-items:center;gap:1.5rem;height:60px}.brand{display:flex;align-items:center;gap:.55rem;font-weight:700;letter-spacing:.02em;text-decoration:none}.brand svg{display:block}.topnav{display:flex;gap:1.25rem;margin-left:.5rem;font-size:.92rem}.topnav{flex-wrap:nowrap;white-space:nowrap;min-width:0;overflow-x:auto;scrollbar-width:none}.topnav::-webkit-scrollbar{display:none}.brand,.topbar .auth{flex:none}.topnav a{color:var(--muted);text-decoration:none}.topnav a:hover{color:var(--ink)}.topbar .auth{margin-left:auto;display:flex;gap:.6rem}@media(max-width:640px){.topnav{display:none}}.btn{display:inline-block;padding:.55rem 1.15rem;border-radius:10px;font-size:.95rem;font-weight:600;text-decoration:none;cursor:pointer;border:1px solid var(--line);background:var(--surface);color:var(--ink)}.btn:hover{border-color:var(--indigo);color:var(--ink)}.btn.primary{background:var(--grad);border:none;color:#fff}.btn.primary:hover{filter:brightness(1.08);color:#fff}.btn.ghost{background:transparent}.btn:disabled{opacity:.45;cursor:not-allowed}.btn:disabled:hover{border-color:var(--line);filter:none}.hero{padding:5.5rem 0 3.5rem}.hero h1{font-size:clamp(2rem,5vw,3.1rem);line-height:1.2;margin:0 0 1rem;letter-spacing:.01em;text-wrap:balance}.hero h1 .grad,.cs h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}.hero .sub{color:var(--muted);font-size:1.08rem;max-width:40rem;margin:0 0 1.8rem}.hero .cta{display:flex;gap:.8rem;flex-wrap:wrap}.hero-wave{margin-top:3rem}.hero-wave svg{display:block;width:100%;height:72px}.hero-wave .cap{color:var(--muted);font-size:.75rem;letter-spacing:.08em;margin-top:.5rem}section.block{padding:3.2rem 0 0}h2.sec{font-size:1.45rem;margin:0 0 1.4rem;display:flex;align-items:center;gap:.6rem}h2.sec:before{content:"";width:22px;height:3px;border-radius:2px;background:var(--grad)}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem}.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:1.2rem 1.3rem}.card h3{margin:0 0 .45rem;font-size:1.02rem}.card p{margin:0;color:var(--muted);font-size:.92rem}.card .k{color:var(--teal);font-size:.78rem;letter-spacing:.1em;display:block;margin-bottom:.5rem}.promise{border-left:3px solid var(--indigo);background:var(--surface);border-radius:0 12px 12px 0;padding:1rem 1.3rem;margin:.8rem 0}.promise b{color:var(--ink)}.promise span{color:var(--muted);font-size:.92rem}footer.site{margin-top:5rem;border-top:1px solid var(--line);padding:2rem 0 3rem;color:var(--muted);font-size:.85rem}footer.site .links{display:flex;flex-wrap:wrap;gap:1.1rem;margin-bottom:1rem}footer.site a{color:var(--muted);text-decoration:none}footer.site a:hover{color:var(--ink)}.age-badge{display:inline-block;border:1px solid var(--line);border-radius:6px;padding:.05rem .5rem;font-weight:700;color:var(--amber);margin-right:.6rem}.doc{max-width:46rem;margin:0 auto;padding:3rem 1.25rem 5rem}.doc h1{font-size:1.7rem;margin:0 0 .4rem}.doc .meta{color:var(--muted);font-size:.85rem;margin-bottom:1.6rem}.doc h2{font-size:1.15rem;margin:1.8rem 0 .5rem}.doc p,.doc li{color:var(--ink);font-size:.95rem}.doc .dim{color:var(--muted)}.draft-banner{background:var(--surface2);border:1px solid var(--amber);color:var(--amber);border-radius:10px;padding:.7rem 1rem;font-size:.88rem;margin:0 0 1.6rem}.cmp-search{display:flex;gap:.6rem;margin:1.4rem 0 .5rem;flex-wrap:wrap}.cmp-search input{flex:1;min-width:15rem;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:.6rem .85rem;font:inherit;font-size:.95rem}.cmp-search input:focus{border-color:var(--indigo);outline:none}.cmp-hint{font-size:.85rem;margin:0 0 .8rem}.cmp-list{max-height:26rem;overflow-y:auto;border-top:1px solid var(--line)}.cmp-row{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap;padding:.5rem .1rem;border-bottom:1px solid var(--line);font-size:.92rem}.cmp-row:last-child{border-bottom:none}.cmp-row .cap{border:1px solid var(--teal);color:var(--teal);border-radius:6px;padding:0 .4rem;font-size:.72rem}.cmp-row .tag{border:1px solid var(--line);color:var(--muted);border-radius:999px;padding:0 .55rem;font-size:.72rem}.cmp-row .tag.ours{border-color:var(--indigo);color:var(--ink)}.cmp-row .n{margin-left:auto;font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:.74rem;color:var(--muted);max-width:16em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cmp-banner{border-radius:10px;padding:.8rem 1rem;margin:.2rem 0 1rem;font-size:.92rem}.cmp-banner.hit{border:1px solid color-mix(in srgb,var(--teal) 45%,transparent)}.cmp-banner.hit b{color:var(--teal)}.cmp-banner.miss{border:1px solid color-mix(in srgb,var(--amber) 45%,transparent)}.cmp-banner.miss b{color:var(--amber)}[hidden]{display:none!important}.doc h3{font-size:1rem;margin:1.2rem 0 .4rem;color:var(--ink)}.doc ul,.doc ol{padding-left:1.3rem}.doc .meta a{color:var(--muted)}.doc .meta a:hover{color:var(--magenta)}.doc .table-wrap{overflow-x:auto;margin:.8rem 0 1.2rem}.doc table{border-collapse:collapse;width:100%;min-width:32rem;font-size:.88rem}.doc th,.doc td{border:1px solid var(--line);padding:.5rem .65rem;text-align:left;vertical-align:top}.doc th{background:var(--surface);color:var(--ink);font-weight:600}.doc td{color:var(--muted)}.doc td b,.doc td strong{color:var(--ink)}.doc-nav{margin-top:2.5rem;padding-top:1.2rem;border-top:1px solid var(--line);color:var(--muted);font-size:.85rem}.doc-nav a{color:var(--muted);text-decoration:none;margin-right:1rem}.doc-nav a:hover{color:var(--magenta)}.doc code{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:.85em;background:var(--surface);border:1px solid var(--line);border-radius:5px;padding:0 .3rem}.hero.pr-hero{padding:3.5rem 0 1.75rem;text-align:center}.pr-hero h1{font-size:clamp(2rem,4.6vw,3rem);margin-bottom:.9rem}.pr-hero .sub{max-width:42rem;margin:0 auto 1.6rem}.pr-seg{display:inline-flex;background:var(--surface2);border-radius:11px;padding:3px}.pr-seg button{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-width:130px;min-height:40px;padding:0 1rem;border:none;border-radius:8px;background:none;color:var(--muted);font:inherit;font-size:.88rem;cursor:pointer}.pr-seg button:hover{color:var(--ink)}.pr-seg button[aria-pressed=true]{background:var(--surface);color:var(--ink);font-weight:650}.pr-save{font-size:.7rem;line-height:1.6;color:var(--teal);border:1px solid var(--teal);border-radius:999px;padding:0 .45rem}.pr-plans{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.25rem;max-width:880px;margin:.75rem auto 0}@media(max-width:760px){.pr-plans{grid-template-columns:1fr}}.card.pr-plan{display:flex;flex-direction:column;gap:1.1rem;padding:1.75rem 1.75rem 1.6rem}.pr-plan h3{font-size:1.25rem;margin:0 0 .25rem}.pr-featured{background:var(--grad);border-radius:15px;padding:1.5px}.pr-featured>.pr-plan{border:none;height:100%;position:relative}.pr-featured .k{color:var(--magenta)}.pr-badge{position:absolute;top:1.1rem;right:1.25rem;font-size:.72rem;font-weight:650;letter-spacing:.08em;color:#fff;background:var(--grad);border-radius:999px;padding:.2rem .65rem}.pr-price{display:flex;align-items:baseline;gap:.4rem}.pr-price .amt{font-size:2.6rem;font-weight:750;line-height:1;font-variant-numeric:tabular-nums}.pr-price .per{color:var(--muted);font-size:.95rem}.card .pr-note{margin-top:.4rem;font-size:.86rem}.pr-feat{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.6rem}.pr-feat li{display:flex;gap:.6rem;align-items:flex-start;font-size:.93rem}.pr-feat li svg{flex:none;margin-top:.4rem}.pr-ok{color:var(--teal)}.pr-mut{color:var(--muted)}.btn.pr-wide{display:block;width:100%;text-align:center;margin-top:auto}.card .pr-fine{font-size:.78rem;text-align:center;margin-top:-.4rem}.card.pr-table{padding:.25rem .6rem .5rem;overflow-x:auto}.pr-table table{border-collapse:collapse;width:100%;min-width:30rem;font-size:.92rem}.pr-table th,.pr-table td{border-bottom:1px solid var(--line);padding:.8rem .9rem;text-align:left;vertical-align:top}.pr-table tbody tr:last-child td{border-bottom:none}.pr-table th{color:var(--muted);font-weight:600;font-size:.8rem;letter-spacing:.06em}.pr-table .c{text-align:center}.pr-table .col-feature{width:46%}.pr-table sup{color:var(--muted)}.pr-footnote{color:var(--muted);font-size:.82rem;margin:.6rem .25rem 0}.pr-footnote a{color:var(--muted)}.pm-list{list-style:none;margin:.75rem 0 0;padding:0;display:flex;flex-wrap:wrap;gap:.4rem}.pm{display:inline-flex;align-items:center;min-height:28px;padding:0 .6rem;border:1px solid var(--line);border-radius:6px;background:var(--screen);color:var(--ink);font-size:.74rem;letter-spacing:.03em}.pr-billing{margin-top:1rem}.pr-billing code{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:.85em;color:var(--ink);background:var(--screen);border:1px solid var(--line);border-radius:5px;padding:0 .35rem}.pr-faq details{border-bottom:1px solid var(--line)}.pr-faq details:first-child{border-top:1px solid var(--line)}.pr-faq summary{display:flex;justify-content:space-between;align-items:center;gap:.75rem;min-height:44px;padding:1rem .25rem;cursor:pointer;list-style:none;font-weight:600;font-size:.98rem}.pr-faq summary::-webkit-details-marker{display:none}.pr-faq summary:after{content:"+";content:"+" / "";color:var(--muted);font-weight:400;font-size:1.25rem}.pr-faq details[open] summary:after{content:"–";content:"–" / ""}.pr-faq p{margin:0 .25rem 1rem;color:var(--muted);font-size:.92rem;max-width:62rem}.pr-perks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem 2.25rem}@media(max-width:640px){.pr-perks{grid-template-columns:1fr}}.pr-perk{display:flex;gap:.9rem;align-items:flex-start}.pr-perk .ic{flex:none;width:2.6rem;height:2.6rem;border-radius:10px;display:grid;place-items:center;background:var(--surface2);border:1px solid var(--line);color:var(--magenta)}.pr-perk h3{font-size:1rem;margin:.15rem 0 .3rem}.pr-perk p{margin:0;color:var(--muted);font-size:.9rem;line-height:1.55}.pr-cta{text-align:center}.pr-cta h2{font-size:1.6rem;margin:0 0 .6rem}.pr-cta p{color:var(--muted);margin:0 auto 1.4rem;max-width:34rem}.pr-cta .cta{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap}.doc th.col-label{width:38%}.beta{display:inline-block;vertical-align:middle;margin-left:.45rem;border:1px solid var(--amber);color:var(--amber);border-radius:999px;padding:0 .5rem;font-size:.68rem;font-weight:700;letter-spacing:.08em;line-height:1.6;text-transform:uppercase;cursor:help}.doc h1 .beta{font-size:.66rem;vertical-align:middle}.beta-note{color:var(--muted);font-size:.85rem;margin-bottom:.6rem}.beta-note .beta{margin:0 .5rem 0 0}.langbtn{display:inline-flex;align-items:center;gap:.3rem;min-height:36px;padding:0 .65rem;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--muted);cursor:pointer;font:inherit;font-size:.76rem;font-weight:700;letter-spacing:.04em}.langbtn:hover{color:var(--ink);border-color:var(--indigo)}.langbtn svg{flex:none}.topbar .auth{align-items:center}.topnav a[aria-current=page]{color:var(--ink)}.topbar .auth .btn{white-space:nowrap;height:36px;padding:0 .95rem;font-size:.88rem;display:inline-flex;align-items:center}@media(max-width:640px){.topbar .wrap{gap:.6rem}.topbar .auth{gap:.4rem}.topbar .auth .btn{padding:0 .75rem}}@media(max-width:480px){.topbar .auth .btn.ghost{display:none}}.cs{position:relative;overflow:hidden;display:grid;place-items:center;min-height:calc(100dvh - 61px);padding:4rem 0 4.5rem}.cs+footer.site{margin-top:0}.cs-glow{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:radial-gradient(38rem 24rem at 18% 8%,color-mix(in srgb,var(--indigo) 24%,transparent),transparent 70%),radial-gradient(34rem 22rem at 86% 88%,color-mix(in srgb,var(--magenta) 16%,transparent),transparent 70%)}.cs-inner{position:relative;max-width:760px;text-align:center}.cs-wave{display:block;width:min(420px,82%);height:64px;margin:0 auto 1.8rem}.cs-wave polyline{stroke-dasharray:1;stroke-dashoffset:1;animation:cs-draw 2.2s ease-out forwards,cs-breathe 3.2s ease-in-out 2.2s infinite}@keyframes cs-draw{to{stroke-dashoffset:0}}@keyframes cs-breathe{50%{opacity:.5}}@media(prefers-reduced-motion:reduce){.cs-wave polyline{animation:none;stroke-dashoffset:0}}.cs-pill{display:inline-flex;align-items:center;gap:.5rem;padding:.3rem .85rem;border:1px solid var(--line);border-radius:999px;background:var(--surface);font-size:.76rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.cs-pill .dot{width:.5rem;height:.5rem;border-radius:50%;background:var(--amber);box-shadow:0 0 0 4px color-mix(in srgb,var(--amber) 22%,transparent)}.cs h1{font-size:clamp(2.2rem,6vw,3.6rem);line-height:1.15;margin:1.3rem 0 1rem;text-wrap:balance}.cs .sub{color:var(--muted);font-size:1.08rem;max-width:36rem;margin:0 auto 2.2rem}.cs-steps{list-style:none;margin:0 auto 2.2rem;padding:0;max-width:640px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem;text-align:left}.cs-steps li{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:.85rem 1rem}.cs-steps .st{display:flex;align-items:center;gap:.45rem;color:var(--muted);font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.cs-steps .st:before{content:"";width:.5rem;height:.5rem;border-radius:50%;background:var(--line)}.cs-steps b{display:block;margin-top:.3rem;font-size:.95rem}.cs-steps .done .st{color:var(--teal)}.cs-steps .done .st:before{background:var(--teal)}.cs-steps .now{border-color:color-mix(in srgb,var(--amber) 45%,var(--line))}.cs-steps .now .st{color:var(--amber)}.cs-steps .now .st:before{background:var(--amber)}.cs .cta{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap;margin-bottom:3.2rem}.cs-k{color:var(--muted);font-size:.75rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;margin:0 0 .8rem}.cs-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem;text-align:left}.cs-links a{display:block;padding:1rem 1.1rem;border:1px solid var(--line);border-radius:12px;text-decoration:none;background:color-mix(in srgb,var(--surface) 72%,transparent);transition:border-color .2s ease}.cs-links a:hover{border-color:var(--indigo);color:var(--ink)}.cs-links b{display:block;font-size:.95rem}.cs-links b:after{content:" →";content:" →" / "";color:var(--muted)}.cs-links span{color:var(--muted);font-size:.85rem;line-height:1.5}@media(max-width:640px){.cs{padding:3rem 0 3.5rem}.cs-steps,.cs-links{grid-template-columns:1fr}}