:root{
  --bg:#f5f8fc;--surface:#ffffff;--surface-2:#eef5ff;--text:#152238;--muted:#5d6b80;
  --primary:#1268e8;--primary-dark:#0d50b7;--accent:#16a6a1;--success:#16834b;--warning:#b9690c;--danger:#c83c3c;
  --border:#d9e3f0;--shadow:0 18px 45px rgba(26,56,96,.12);--shadow-sm:0 8px 24px rgba(26,56,96,.08);
  --radius:22px;--radius-sm:14px;--max:1180px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--bg);line-height:1.6}
a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}img,canvas{max-width:100%}button,input,select,textarea{font:inherit}
.container{width:min(var(--max),calc(100% - 32px));margin:auto}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:16px;top:16px;background:#fff;padding:12px;z-index:1000}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(217,227,240,.9)}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:20px}.brand{display:flex;align-items:center;gap:11px;color:var(--text);font-weight:850;font-size:1.25rem;letter-spacing:-.03em}.brand:hover{text-decoration:none}.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,var(--primary),var(--accent));display:grid;place-items:center;color:#fff;box-shadow:0 8px 20px rgba(18,104,232,.26)}
.nav-links{display:flex;gap:8px;align-items:center}.nav-links a{padding:10px 13px;border-radius:11px;color:#33425a;font-weight:650}.nav-links a:hover,.nav-links a[aria-current="page"]{background:var(--surface-2);text-decoration:none;color:var(--primary)}.menu-btn{display:none;border:1px solid var(--border);background:#fff;border-radius:12px;padding:10px 12px}
.hero{padding:76px 0 44px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:52px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:#e8f2ff;color:#0e58c7;font-weight:750;font-size:.9rem}.hero h1{font-size:clamp(2.55rem,6vw,5rem);line-height:.98;letter-spacing:-.055em;margin:20px 0 20px;max-width:850px}.hero p{font-size:1.15rem;color:var(--muted);max-width:680px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:13px;padding:13px 19px;font-weight:800;cursor:pointer;transition:.18s transform,.18s box-shadow,.18s background}.btn:hover{transform:translateY(-1px);text-decoration:none}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 24px rgba(18,104,232,.24)}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:#fff;color:var(--text);border:1px solid var(--border)}.btn-ghost{background:transparent;color:var(--primary);border:1px dashed #a9c5ec}.btn-danger{background:#fff2f2;color:var(--danger);border:1px solid #f2caca}.btn-small{padding:9px 12px;border-radius:10px;font-size:.9rem}
.hero-visual{min-height:430px;position:relative}.visual-card{position:absolute;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:26px}.visual-main{inset:20px 10px 28px 50px;padding:22px}.visual-photo{height:270px;border-radius:18px;background:linear-gradient(145deg,#87c3ff,#d0f1ee 55%,#f5d998);position:relative;overflow:hidden}.visual-photo:before{content:"";position:absolute;width:190px;height:190px;border-radius:48% 52% 45% 55%;background:rgba(255,255,255,.76);left:calc(50% - 95px);top:42px;box-shadow:inset 0 0 0 28px rgba(18,104,232,.07)}.visual-photo:after{content:"9:16";position:absolute;inset:auto 18px 18px auto;background:#fff;color:var(--primary);font-weight:850;padding:8px 12px;border-radius:12px}.visual-controls{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:15px}.mock-line{height:12px;border-radius:20px;background:#e8eef7}.mock-line.short{width:63%}.visual-badge{right:-4px;top:0;padding:12px 15px;font-weight:800;color:var(--success)}.visual-small{left:8px;bottom:0;padding:14px 16px;display:flex;align-items:center;gap:10px}.dot{width:11px;height:11px;border-radius:50%;background:var(--success);box-shadow:0 0 0 5px #dff5e9}
.section{padding:64px 0}.section-tight{padding:34px 0}.section-title{font-size:clamp(1.8rem,3.4vw,2.75rem);line-height:1.08;letter-spacing:-.04em;margin:0 0 12px}.section-lead{color:var(--muted);max-width:760px;margin:0 0 28px}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.tool-card{background:#fff;border:1px solid var(--border);border-radius:20px;padding:22px;box-shadow:var(--shadow-sm);transition:.18s transform,.18s box-shadow;display:flex;flex-direction:column;min-height:230px}.tool-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);text-decoration:none}.tool-icon{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;background:#eaf3ff;color:var(--primary);font-size:1.35rem;margin-bottom:18px}.tool-card h3{margin:0 0 8px;color:var(--text);font-size:1.2rem}.tool-card p{color:var(--muted);margin:0 0 18px}.tool-card .link-arrow{margin-top:auto;font-weight:800}.badge{display:inline-flex;padding:4px 9px;border-radius:999px;background:#ecf7f5;color:#0d7976;font-size:.76rem;font-weight:800;margin-left:8px}
.feature-band{background:linear-gradient(135deg,#0c2a56,#0e5fcc);color:#fff;border-radius:30px;padding:38px;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.feature-item h3{margin:8px 0 5px}.feature-item p{color:#d8e7ff;margin:0}.feature-num{font-size:1.8rem;font-weight:900;color:#85e4df}
.content-card{background:#fff;border:1px solid var(--border);border-radius:22px;padding:28px;box-shadow:var(--shadow-sm)}.content-card h2:first-child,.content-card h3:first-child{margin-top:0}.article{max-width:860px;margin:auto}.article h2{margin-top:38px;line-height:1.2}.article h3{margin-top:26px}.article p,.article li{color:#394960}.article .note{background:#f0f7ff;border-left:4px solid var(--primary);padding:16px 18px;border-radius:0 12px 12px 0}.breadcrumbs{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:.9rem;margin:24px 0}.breadcrumbs a{color:var(--muted)}
.tool-page-hero{padding:42px 0 24px}.tool-page-hero h1{font-size:clamp(2.15rem,4.8vw,4rem);letter-spacing:-.05em;line-height:1.02;margin:13px 0}.privacy-pill{display:inline-flex;gap:8px;align-items:center;background:#e9f8f2;color:#16704a;border:1px solid #c9eadc;padding:8px 12px;border-radius:999px;font-weight:750;font-size:.88rem}
.tool-app{background:#fff;border:1px solid var(--border);border-radius:26px;box-shadow:var(--shadow);overflow:hidden;margin:18px 0 34px}.tool-topbar{padding:17px 22px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:14px;background:#fbfdff}.tool-topbar strong{font-size:1.05rem}.tool-status{font-size:.85rem;color:var(--muted)}.tool-body{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);min-height:520px}.workspace{padding:22px;background:#f7f9fc;min-width:0}.settings{padding:22px;border-left:1px solid var(--border);background:#fff}.settings h2{font-size:1.15rem;margin:0 0 16px}.dropzone{border:2px dashed #a9c4e8;border-radius:20px;background:#f3f8ff;min-height:330px;display:flex;align-items:center;justify-content:center;text-align:center;padding:24px;position:relative;transition:.18s border,.18s background}.dropzone.dragover{border-color:var(--primary);background:#e8f2ff}.dropzone input{position:absolute;inset:0;opacity:0;cursor:pointer}.drop-icon{font-size:2.4rem}.dropzone h2{margin:8px 0 4px}.dropzone p{margin:0;color:var(--muted)}.drop-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:17px}.preview-wrap{display:none}.preview-wrap.active{display:block}.preview-canvas-wrap{background:#e9eef5;background-image:linear-gradient(45deg,#dce3ec 25%,transparent 25%),linear-gradient(-45deg,#dce3ec 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#dce3ec 75%),linear-gradient(-45deg,transparent 75%,#dce3ec 75%);background-size:22px 22px;background-position:0 0,0 11px,11px -11px,-11px 0;border-radius:16px;min-height:340px;display:grid;place-items:center;overflow:hidden;padding:12px;position:relative}.preview-canvas-wrap canvas{display:block;max-height:520px;box-shadow:0 8px 26px rgba(15,29,55,.17)}.file-summary{display:flex;gap:12px;justify-content:space-between;align-items:center;margin-top:12px;flex-wrap:wrap}.meta-row{display:flex;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:.9rem}.meta-chip{background:#fff;border:1px solid var(--border);padding:5px 9px;border-radius:9px}
.form-group{margin-bottom:16px}.form-group label{display:flex;justify-content:space-between;gap:10px;align-items:center;font-weight:750;font-size:.93rem;margin-bottom:7px}.form-hint{font-size:.79rem;color:var(--muted);font-weight:500}.input,select.input{width:100%;height:44px;border:1px solid #cfdbea;background:#fff;border-radius:11px;padding:0 12px;color:var(--text)}.input:focus{outline:3px solid rgba(18,104,232,.14);border-color:var(--primary)}input[type=range]{width:100%;accent-color:var(--primary)}.two-cols{display:grid;grid-template-columns:1fr 1fr;gap:10px}.three-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.check-row{display:flex;gap:9px;align-items:flex-start;margin:10px 0;color:#37465d}.check-row input{margin-top:5px}.segmented{display:flex;gap:6px;background:#f1f5fa;padding:5px;border-radius:12px}.segmented button{flex:1;border:0;background:transparent;border-radius:9px;padding:8px;font-weight:750;color:#526177;cursor:pointer}.segmented button.active{background:#fff;color:var(--primary);box-shadow:0 3px 10px rgba(23,51,91,.09)}.settings-actions{display:grid;gap:10px;margin-top:22px}.advanced{border-top:1px solid var(--border);margin-top:18px;padding-top:15px}.advanced summary{cursor:pointer;font-weight:800;color:#31425b}.advanced-body{padding-top:14px}
.result-panel{display:none;margin-top:16px;background:#edf9f2;border:1px solid #c7ead5;border-radius:17px;padding:18px}.result-panel.active{display:block}.result-title{font-size:1.2rem;font-weight:900;color:#126c3d}.result-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0}.stat{background:#fff;border:1px solid #d8eadf;padding:11px;border-radius:12px}.stat small{display:block;color:var(--muted)}.stat strong{display:block;margin-top:3px}.result-actions{display:flex;flex-wrap:wrap;gap:9px}.error-box{display:none;background:#fff1f1;color:#9d2c2c;border:1px solid #f2caca;border-radius:13px;padding:12px 14px;margin-top:14px}.error-box.active{display:block}.progress{height:9px;background:#e3eaf3;border-radius:99px;overflow:hidden;margin:10px 0}.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));width:0;transition:width .2s}.busy-overlay{position:absolute;inset:0;background:rgba(245,248,252,.88);display:none;place-items:center;z-index:10}.busy-overlay.active{display:grid}.spinner{width:42px;height:42px;border:4px solid #dce7f6;border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.crop-stage{position:relative;display:inline-block;max-width:100%;line-height:0}.crop-stage canvas{max-height:500px}.crop-box{position:absolute;border:2px solid #fff;box-shadow:0 0 0 9999px rgba(0,0,0,.48),0 0 0 1px rgba(0,0,0,.25);cursor:move;touch-action:none}.crop-box:before,.crop-box:after{content:"";position:absolute;pointer-events:none}.crop-box:before{left:33.33%;right:33.33%;top:0;bottom:0;border-left:1px solid rgba(255,255,255,.6);border-right:1px solid rgba(255,255,255,.6)}.crop-box:after{top:33.33%;bottom:33.33%;left:0;right:0;border-top:1px solid rgba(255,255,255,.6);border-bottom:1px solid rgba(255,255,255,.6)}.crop-handle{position:absolute;width:18px;height:18px;background:#fff;border:2px solid var(--primary);border-radius:50%;z-index:2}.crop-handle.nw{left:-10px;top:-10px;cursor:nwse-resize}.crop-handle.ne{right:-10px;top:-10px;cursor:nesw-resize}.crop-handle.sw{left:-10px;bottom:-10px;cursor:nesw-resize}.crop-handle.se{right:-10px;bottom:-10px;cursor:nwse-resize}
.batch-list{display:grid;gap:9px;margin-top:14px}.batch-item{display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:10px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:12px;padding:8px}.batch-thumb{width:44px;height:44px;object-fit:cover;border-radius:8px;background:#eee}.batch-name{min-width:0}.batch-name strong{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:.9rem}.batch-name small{color:var(--muted)}.batch-status{font-size:.78rem;font-weight:800}.batch-status.ready{color:var(--success)}.batch-status.error{color:var(--danger)}.reorder{display:flex;gap:5px}.reorder button{width:30px;height:30px;border:1px solid var(--border);background:#fff;border-radius:8px;cursor:pointer}
.faq{display:grid;gap:12px}.faq details{background:#fff;border:1px solid var(--border);border-radius:15px;padding:16px 18px}.faq summary{font-weight:800;cursor:pointer}.faq p{color:var(--muted);margin-bottom:0}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.related-item{padding:18px;background:#fff;border:1px solid var(--border);border-radius:16px;color:var(--text);font-weight:800}.related-item:hover{text-decoration:none;border-color:#a9c7ef}.ad-safe{min-height:90px;margin:28px 0;border-radius:15px}.site-footer{margin-top:70px;background:#0d1f39;color:#d9e7fa;padding:48px 0 24px}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(2,1fr);gap:34px}.site-footer a{color:#d9e7fa}.footer-title{font-weight:850;color:#fff;margin-bottom:10px}.footer-links{display:grid;gap:7px}.footer-bottom{border-top:1px solid rgba(255,255,255,.13);margin-top:32px;padding-top:20px;color:#aebdd2;font-size:.9rem;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
.toast{position:fixed;right:18px;bottom:18px;background:#102743;color:#fff;border-radius:13px;padding:12px 15px;box-shadow:var(--shadow);z-index:100;opacity:0;transform:translateY(12px);pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:none}
@media(max-width:900px){.hero-grid,.tool-body{grid-template-columns:1fr}.hero-visual{min-height:380px}.tool-grid{grid-template-columns:repeat(2,1fr)}.settings{border-left:0;border-top:1px solid var(--border)}.feature-band{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.nav-links{display:none;position:absolute;left:16px;right:16px;top:68px;background:#fff;border:1px solid var(--border);border-radius:16px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.menu-btn{display:block}.result-stats{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.container{width:min(100% - 22px,var(--max))}.hero{padding-top:48px}.hero h1{font-size:2.7rem}.hero-grid{gap:20px}.hero-visual{min-height:320px}.visual-main{inset:15px 4px 20px 20px}.visual-photo{height:205px}.tool-grid,.related-grid{grid-template-columns:1fr}.tool-card{min-height:auto}.tool-body{display:block}.workspace,.settings{padding:15px}.dropzone{min-height:270px}.two-cols,.three-cols{grid-template-columns:1fr}.result-stats{grid-template-columns:1fr}.feature-band{padding:25px}.footer-grid{grid-template-columns:1fr}.tool-page-hero h1{font-size:2.45rem}.nav{min-height:64px}.brand{font-size:1.1rem}.brand-mark{width:34px;height:34px}.file-summary{align-items:flex-start}.crop-handle{width:22px;height:22px}.batch-item{grid-template-columns:40px minmax(0,1fr)}.batch-status{grid-column:2}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation-duration:.001ms!important;transition-duration:.001ms!important}}