:root{--bg:#f7f7fa;--surface:#fff;--line:#e7e7ed;--line-strong:#d3d4dd;--text:#15121d;--muted:#686a73;--brand:#6c4dff;--brand-hover:#5d3ef0;--brand-soft:#eeeafe;--brand-deep:#22154f;--dark:#15121d;--ok:#22a06b;--err:#e5484d;color-scheme:light;--surface-2:#fcfcfd;--text-2:#383a42;--muted-2:#8a8c94;--brand-border:#6c4dff47;--shadow-sm:0 1px 2px #1410280f;--shadow:0 12px 32px #1410281a;--shadow-lg:0 24px 70px #1912321f,0 4px 18px #1912320f;--shadow-img:0 18px 45px #15121d14;--warn:#b26a00;--warn-bg:#ffb74d29;--warn-border:#ffab4073;--r-btn:12px;--r-card:20px;--r-card-lg:24px;--r-mock:28px;font-family:Inter,SF Pro Display,PingFang SC,Microsoft YaHei,Noto Sans SC,-apple-system,sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;min-height:100vh;font-size:16px;line-height:1.65}::selection{color:#15121d;background:#6c4dff38}.shell{max-width:1240px;margin:0 auto;padding:0 32px}.hidden{display:none!important}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.btn{border-radius:var(--r-btn);min-height:44px;font:inherit;cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:0 24px;font-size:15px;font-weight:600;text-decoration:none;transition:background .15s,border-color .15s,transform .1s;display:inline-flex}.btn:active{transform:translateY(1px)}.btn-xl{min-height:52px;padding:0 32px;font-size:16px}.btn-primary{color:#fff;background:linear-gradient(#7b5cff,#5e3bf0);box-shadow:0 1px 2px #321ea059,inset 0 1px #fff3}.btn-primary:hover{color:#fff;background:linear-gradient(#6f4dfb,#5436e6);text-decoration:none}.btn-ghost{color:var(--text);border-color:var(--line-strong);background:#fff}.btn-ghost:hover{background:var(--surface-2);border-color:#b9bac6;text-decoration:none}.btn-sm{min-height:40px;padding:0 18px;font-size:13.5px}.top{z-index:60;-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--line);background:#f7f7fadb;position:sticky;top:0}.brand-name{letter-spacing:-.01em;font-size:17px;font-weight:750}.btn-ghost-nav{border:1px solid var(--border-strong);height:44px;color:var(--text-2);cursor:pointer;text-overflow:ellipsis;white-space:nowrap;background:#fff;border-radius:12px;justify-content:center;align-items:center;padding:0 22px;font-size:14.5px;font-weight:600;text-decoration:none;transition:background .15s,border-color .15s;display:inline-flex;overflow:hidden}.hero{grid-template-columns:1.08fr .92fr;align-items:center;gap:56px;padding:88px 0 48px;display:grid}.eyebrow{letter-spacing:.18em;text-transform:uppercase;color:var(--brand);font-size:12.5px;font-weight:750}.h1{letter-spacing:-.02em;margin:14px 0 16px;font-size:46px;font-weight:780;line-height:1.14}.hero-sub{color:var(--muted);max-width:520px;font-size:17px}.hero-cta{flex-wrap:wrap;align-items:center;gap:14px;margin:28px 0 16px;display:flex}.hero-meta{color:var(--muted);flex-wrap:wrap;gap:8px 22px;font-size:13.5px;display:flex}.hero-meta b{color:var(--text-2);font-weight:650}.mock{border:1px solid var(--line);border-radius:var(--r-mock);box-shadow:var(--shadow-lg);background:linear-gradient(#fff 0%,#f4f1fe 100%);padding:26px;position:relative;transform:rotate(1deg)}.mock-bar{align-items:center;gap:6px;margin-bottom:20px;display:flex}.mock-dot{background:#e3e3ea;border-radius:50%;width:10px;height:10px}.mock-title{margin:-4px 0 14px;font-size:13px;font-weight:700}.mock-row{border:1px solid var(--line);background:#fff;border-radius:12px;justify-content:space-between;align-items:center;gap:12px;margin-top:10px;padding:12px 14px;display:flex}.mock-row.sel{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-soft)}.mock-row .t{font-size:13px;font-weight:650}.mock-row .m{color:var(--muted);font-size:11.5px}.mock-check{background:var(--brand);color:#fff;border-radius:6px;flex-shrink:0;place-items:center;width:20px;height:20px;font-size:12px;display:grid}.mock-cta{background:var(--brand);color:#fff;text-align:center;border-radius:12px;margin-top:20px;padding:13px;font-size:14px;font-weight:700}.info-grid{grid-template-columns:1fr 1.1fr;gap:24px;padding:16px 0 40px;display:grid}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 28px}.dl-top{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.dl-name{letter-spacing:-.01em;word-break:break-all;font-size:18px;font-weight:750}.dl-meta{grid-template-columns:100px 1fr;gap:10px 12px;margin:18px 0 6px;font-size:14px;display:grid}.dl-meta dt{color:var(--muted)}.dl-meta dd{text-align:right;word-break:break-all;font-weight:600}.dl-note{color:var(--muted-2);margin-top:16px;font-size:12.5px}.alert{border:1px solid var(--warn-border);background:var(--warn-bg);border-radius:var(--r-card);padding:22px 24px}.alert h3{color:#7a4a00;align-items:center;gap:8px;font-size:15px;font-weight:750;display:flex}.alert ul{color:#7a4a00;margin:12px 0 0;padding-left:18px;font-size:14px;line-height:1.8}.alert strong{color:#5e3a00;font-weight:700}.ov{padding:8px 0 56px}.ov h2{letter-spacing:-.02em;text-align:center;margin-bottom:30px;font-size:30px;font-weight:760}.ov-grid{grid-template-columns:repeat(4,1fr);gap:18px;display:grid}.ov-cell{border:1px solid var(--line);border-radius:var(--r-card);background:#fff;align-items:center;gap:14px;padding:22px;display:flex}.ov-num{color:var(--brand);letter-spacing:-.02em;font-size:24px;font-weight:800}.ov-txt{font-size:15px;font-weight:650}.sec-head{text-align:center;max-width:640px;margin:0 auto 36px}.sec-head h2{letter-spacing:-.02em;font-size:32px;font-weight:760;line-height:1.2}.sec-head p{color:var(--muted);margin-top:10px}.tutorial{padding:16px 0 72px}.tabs{background:var(--surface);border:1px solid var(--line);border-radius:999px;gap:4px;margin:0 0 40px;padding:5px;display:inline-flex}.tab-btn{font:inherit;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:999px;min-height:44px;padding:10px 30px;font-size:15px;font-weight:650;transition:background .15s,color .15s,box-shadow .15s}.tab-btn:hover{color:var(--brand)}.tab-btn.active{background:var(--brand);color:#fff;box-shadow:0 4px 14px #5a3deb4d}.tab-btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}.step{grid-template-columns:1fr 1fr;align-items:center;gap:52px;padding:96px 0 0;display:grid}.step.flip .step-text{order:2}.step.flip .shot{order:1}.step-num{color:var(--brand);letter-spacing:.12em;font-size:15px;font-weight:800}.step h3{letter-spacing:-.02em;margin:8px 0 14px;font-size:26px;font-weight:740}.step p{color:var(--muted);font-size:15px}.step p+p{margin-top:8px}.step p strong{color:var(--text)}.step .btn{margin-top:20px}.step code{background:var(--surface-2);border:1px solid var(--line);color:var(--text-2);border-radius:8px;padding:2px 7px;font-size:13.5px}.shot{border:1px solid var(--line);box-shadow:var(--shadow-img);background:#fff;border-radius:20px;place-items:center;min-height:260px;padding:12px;display:grid}.shot-in{text-align:center;background:linear-gradient(160deg,#eeeafe 0%,#f7f3ff 45%,#e7e1fb 100%);border:1px dashed #c9bef5;border-radius:14px;place-items:center;width:100%;min-height:230px;padding:20px;display:grid}.shot-ic{background:linear-gradient(135deg,#7b5cff,#5a3deb);border-radius:16px;place-items:center;width:54px;height:54px;margin:0 auto 14px;display:grid}.shot-label{color:#8a7bcb;word-break:break-all;padding:0 10px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px}.shot-img{border-radius:14px;width:100%;height:auto;display:block}.link-more{margin-top:6px;font-size:14px;font-weight:600;display:inline-block}.first-use{border:1px solid var(--brand-border);background:linear-gradient(#f1edfe,#f7f3ff);border-radius:28px;margin:0 0 80px;padding:56px 56px 60px}.first-use h2{letter-spacing:-.02em;margin-bottom:8px;font-size:30px;font-weight:760}.first-use .sub{color:var(--muted);margin-bottom:28px}.fu-grid{grid-template-columns:1fr 1fr;gap:28px 40px;display:grid}.fu-item{align-items:flex-start;gap:14px;display:flex}.fu-num{background:var(--brand);color:#fff;border-radius:9px;flex-shrink:0;place-items:center;width:28px;height:28px;margin-top:2px;font-size:13.5px;font-weight:750;display:grid}.fu-item strong{font-size:15px;display:block}.fu-item p{color:var(--muted);margin-top:2px;font-size:13.5px}.refresh-tip{border-left:4px solid var(--brand);box-shadow:var(--shadow-sm);background:#fff;border-radius:12px;margin-top:30px;padding:16px 20px;font-size:15px}.refresh-tip strong{color:var(--brand)}.cta-row{flex-wrap:wrap;gap:14px;margin-top:28px;display:flex}.section{padding:8px 0 72px}.section h2{letter-spacing:-.02em;margin-bottom:10px;font-size:30px;font-weight:760}.section>.sec-desc{color:var(--muted);max-width:720px;margin-bottom:26px}.section .sec-desc code{background:var(--surface-2);border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:13px}.perm-list{grid-template-columns:1fr 1fr;gap:16px;display:grid}.perm{border:1px solid var(--line);background:#fff;border-radius:16px;align-items:flex-start;gap:14px;padding:20px 22px;display:flex}.perm b{margin-bottom:4px;font-size:15px;display:block}.perm span{color:var(--muted);font-size:13.5px}.perm-foot{color:var(--muted-2);margin-top:18px;font-size:13px}.compat-cards{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.compat{border:1px solid var(--line);background:#fff;border-radius:16px;padding:20px 22px;font-size:14.5px}.compat b{margin:6px 0 2px;font-size:15.5px;display:block}.compat .os{color:var(--muted);font-size:13px}.grid2{grid-template-columns:1fr 1fr;gap:24px;padding:8px 0 72px;display:grid}.grid2 .card h2{margin-bottom:14px;font-size:24px;font-weight:740}.grid2 ol{color:var(--text-2);margin:14px 0 0 20px;font-size:14.5px;line-height:2}.grid2 p{font-size:14.5px;line-height:1.9}.faq-item{border:1px solid var(--line);background:#fff;border-radius:16px;margin-top:14px;overflow:hidden}.faq-head{width:100%;font:inherit;color:var(--text);text-align:left;cursor:pointer;background:0 0;border:0;justify-content:space-between;align-items:center;gap:12px;min-height:56px;padding:20px 24px;font-size:15.5px;font-weight:650;display:flex}.faq-head:hover{background:var(--surface-2)}.faq-head .plus{color:var(--brand);font-size:18px;font-weight:800;transition:transform .2s}.faq-item.open .faq-head .plus{transform:rotate(45deg)}.faq-body{max-height:0;transition:max-height .25s;overflow:hidden}.faq-body p{color:var(--text-2);padding:0 24px 20px;font-size:14.5px}.safety{border:1px solid var(--brand-border);background:linear-gradient(135deg,#f0ecfe 0%,#f7f3ff 100%);border-radius:24px;margin:0 0 80px;padding:32px 34px}.safety h2{font-size:20px;font-weight:740}.safety p{color:var(--muted);max-width:840px;margin-top:10px;font-size:14.5px}.changelog h2{letter-spacing:-.02em;margin-bottom:8px;font-size:30px;font-weight:760}.changelog .cl{border:1px solid var(--line);background:#fff;border-radius:16px;grid-template-columns:120px 1fr;align-items:start;gap:16px;margin-top:18px;padding:18px 24px;display:grid}.cl-ver{color:var(--brand);font-size:16px;font-weight:750}.cl li{color:var(--text-2);margin:4px 0 0 18px;font-size:14.5px}.final-cta{color:#fff;text-align:center;background:linear-gradient(135deg,#6c4dff 0%,#4b2ecb 100%);border-radius:28px;margin:0 0 16px;padding:64px 56px;box-shadow:0 24px 70px #4b2ecb59}.final-cta h2{letter-spacing:-.02em;font-size:34px;font-weight:780}.final-cta p{color:#ffffffd1;margin-top:10px;font-size:16px}.final-cta .cta-row{justify-content:center}.btn-white{color:var(--brand);background:#fff;box-shadow:0 8px 24px #0000002e}.btn-white:hover{color:var(--brand);background:#f4f1ff;text-decoration:none}.btn-outline-w{color:#fff;background:0 0;border-color:#ffffff8c}.btn-outline-w:hover{background:#ffffff1f;text-decoration:none}.foot{border-top:1px solid var(--line);background:var(--surface);margin-top:80px}.foot h4{letter-spacing:.06em;text-transform:uppercase;color:var(--muted-2);margin-bottom:14px;font-size:13px;font-weight:700}.foot nav{flex-direction:column;gap:9px;display:flex}.foot nav a{color:var(--text-2);font-size:14.5px}.foot nav a:hover{color:var(--brand);text-decoration:none}.foot .brand-desc{color:var(--muted);max-width:300px;margin-top:14px;font-size:14px}.foot-bottom{border-top:1px solid var(--line);margin-top:30px}.foot-bottom-in{max-width:1240px;color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:8px 24px;margin:0 auto;padding:20px 32px;font-size:13px;display:flex}.foot-bottom a{color:var(--muted)}.foot-disclaim{width:100%;color:var(--muted-2);font-size:12.5px}.toast{background:var(--dark);color:#fff;box-shadow:var(--shadow-lg);opacity:0;z-index:99;text-align:center;border-radius:999px;max-width:calc(100vw - 40px);padding:14px 22px;font-size:14px;transition:transform .25s,opacity .25s;position:fixed;bottom:32px;left:50%;transform:translate(-50%)translateY(80px)}.toast.show{opacity:1;transform:translate(-50%)translateY(0)}@media (width<=1080px){.hero{grid-template-columns:1fr;gap:40px;padding:60px 0 36px}.mock{max-width:520px}.ov-grid{grid-template-columns:repeat(2,1fr)}.perm-list,.compat-cards,.foot-in{grid-template-columns:1fr 1fr}}@media (width<=760px){.top-in{height:64px;padding:0 18px}.top-nav{display:none}.shell{padding:0 18px}.h1{font-size:32px}.hero{grid-template-columns:1fr;padding:44px 0 28px}.info-grid{grid-template-columns:1fr}.step{grid-template-columns:1fr;gap:22px;padding:56px 0 0}.step.flip .step-text{order:1}.step.flip .shot{order:2}.shot,.shot-in{min-height:180px}.ov{padding:8px 0 40px}.ov-grid{grid-template-columns:1fr}.tabs{justify-content:stretch;width:100%}.tab-btn{flex:1;padding:10px}.first-use{padding:34px 22px}.fu-grid,.grid2,.perm-list,.compat-cards{grid-template-columns:1fr}.cta-row .btn{width:100%}.foot-in{grid-template-columns:1fr}.final-cta{padding:44px 22px}.final-cta h2{font-size:26px}}.top{z-index:60;-webkit-backdrop-filter:blur(18px);background:#f7f7fadb;border-bottom:1px solid #e7e7ed;position:sticky;top:0}.top-in{align-items:center;gap:40px;max-width:1240px;height:76px;margin:0 auto;padding:0 32px;display:flex}.brand-row{color:#111217;align-items:center;gap:12px;text-decoration:none;display:flex}.brand-row:hover{text-decoration:none}.brand-mark{background:linear-gradient(135deg,#7b5cff 0%,#5a3deb 100%);border-radius:11px;place-items:center;width:38px;height:38px;display:grid;overflow:hidden;box-shadow:0 4px 14px #5a3deb47}.brand-mark img{object-fit:cover;width:100%;height:100%;display:block}.brand-name{letter-spacing:-.01em;color:#111217;font-size:17px;font-weight:750}.brand-tag{color:#8a8c94;letter-spacing:.16em;text-transform:uppercase;font-size:11px;font-weight:700}.top-nav{align-items:center;gap:32px;display:flex}.top-nav a{color:#686a73;font-size:15px;font-weight:500;text-decoration:none;transition:color .15s}.top-nav a:hover{color:#6c4dff}.top-nav a.active{color:#6c4dff;font-weight:650}.top-nav a:focus-visible{outline-offset:3px;border-radius:6px;outline:2px solid #6c4dff}.top-ctas{align-items:center;gap:12px;margin-left:auto;display:flex}.btn-ghost-nav{color:#111217;cursor:pointer;text-overflow:ellipsis;white-space:nowrap;background:#fff;border:1px solid #d3d4dd;border-radius:12px;justify-content:center;align-items:center;height:44px;padding:0 22px;font-size:14.5px;font-weight:600;text-decoration:none;transition:background .15s,border-color .15s;display:inline-flex;overflow:hidden}.btn-ghost-nav:hover{background:#fcfcfd;border-color:#b9bac6}.btn-ghost-nav.hidden{display:none}.btn-primary-nav{color:#fff;white-space:nowrap;background:linear-gradient(#7b5cff,#5e3bf0);border:1px solid #0000;border-radius:12px;justify-content:center;align-items:center;height:44px;padding:0 22px;font-size:14.5px;font-weight:600;text-decoration:none;transition:background .15s;display:inline-flex;box-shadow:0 1px 2px #321ea059,inset 0 1px #ffffff2e}.btn-primary-nav:hover{color:#fff;background:linear-gradient(#6f4dfb,#5436e6)}.nav-out{max-width:96px}.nav-out:hover{color:#d33036;background:#fff2f2;border-color:#e5484d66}.shell{width:min(1240px,100% - 64px);margin:0 auto;padding-left:0;padding-right:0}.foot{background:#fff;border-top:1px solid #e7e7ed;margin-top:120px}.foot-in{grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:32px;max-width:1240px;margin:0 auto;padding:72px 32px 48px;display:grid}.foot-brand p{color:#686a73;max-width:30ch;margin-top:14px;font-size:13.5px;line-height:1.7}.foot h4{color:#111217;letter-spacing:.02em;text-transform:none;margin-bottom:14px;font-size:13px;font-weight:700}.foot nav{gap:9px;display:grid}.foot nav a{color:#686a73;font-size:13.5px;text-decoration:none;transition:color .15s}.foot nav a:hover{color:#6c4dff}.foot-bottom{color:#8a8c94;border-top:1px solid #e7e7ed;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;max-width:1240px;margin:0 auto;padding:22px 32px 40px;font-size:13px;display:flex}.foot-bottom a{color:#686a73;text-decoration:none}.foot-bottom a:hover{color:#6c4dff}.foot-disclaim{color:#8a8c94;width:100%;font-size:12px;display:block}@media (width<=1080px){.top-in{gap:24px}.foot-in{grid-template-columns:repeat(3,minmax(0,1fr))}.foot-brand{grid-column:span 3}}@media (width<=900px){.top-nav{gap:20px}}@media (width<=760px){.top-in{gap:16px;height:64px;padding:0 18px}.top-nav{display:none}.shell{width:calc(100% - 36px)}.top-ctas{gap:8px}.btn-ghost-nav,.btn-primary-nav{height:40px;padding:0 16px;font-size:14px}.foot-in{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;padding:56px 18px 36px}.foot-brand{grid-column:1/-1}.foot-bottom{text-align:center;justify-content:center;padding:18px 18px 32px}}@media (width<=380px){.foot-in{grid-template-columns:1fr}.foot-brand{grid-column:auto}}
