@import"https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap";:root{--red: #e63946;--red-dark: #c1121f;--red-dim: rgba(230,57,70,.08);--red-glow: rgba(230,57,70,.24);--bg: #f2f4f8;--bg-2: #e8ebf2;--white: #ffffff;--glass: rgba(255,255,255,.92);--ink: #0b0e1a;--ink-2: #252b3d;--ink-3: #525c73;--ink-4: #8d97ae;--ink-5: #b8bece;--line: #e0e4ef;--line-2: #ccd0e0;--s1: 0 1px 3px rgba(11,14,26,.05);--s2: 0 3px 10px rgba(11,14,26,.08), 0 1px 3px rgba(11,14,26,.04);--s3: 0 10px 30px rgba(11,14,26,.11), 0 3px 8px rgba(11,14,26,.05);--s4: 0 24px 60px rgba(11,14,26,.14), 0 6px 16px rgba(11,14,26,.06);--red-shadow: 0 4px 18px rgba(230,57,70,.3);--r1: 6px;--r2: 10px;--r3: 14px;--r4: 18px;--r5: 24px;--r6: 32px;--t1: .12s ease;--t2: .22s cubic-bezier(.25,.46,.45,.94);--t3: .4s cubic-bezier(.16,1,.3,1);--gutter: 16px;--sp-sm: 16px;--sp-md: 24px;--sp-lg: 40px;--sp-xl: 64px}@media (min-width: 480px){:root{--gutter: 20px}}@media (min-width: 768px){:root{--gutter: 28px}}@media (min-width: 1024px){:root{--gutter: 40px}}@keyframes fadeUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse-dot{0%,to{box-shadow:0 0 0 2px #22c55e40}50%{box-shadow:0 0 0 5px #22c55e1a}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:hidden}body{font-family:Sora,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}code,pre{font-family:JetBrains Mono,monospace}img{display:block;max-width:100%;height:auto}button,a[href],[role=button]{-webkit-tap-highlight-color:transparent;touch-action:manipulation}input,select,textarea{min-height:48px;font-size:16px;-webkit-appearance:none;appearance:none}.app{display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1;width:100%;max-width:1080px;margin:0 auto;padding:var(--sp-md) var(--gutter)}@media (min-width:768px){.main-content{padding:var(--sp-lg) var(--gutter)}}.skip-link{position:absolute;top:-100px;left:16px;background:var(--red);color:#fff;padding:10px 16px;border-radius:var(--r2);font-weight:700;font-size:.875rem;z-index:999;transition:top .15s}.skip-link:focus{top:8px}.navbar{position:sticky;top:0;z-index:300;height:56px;display:flex;align-items:center;padding:0 var(--gutter);background:var(--glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(224,228,239,.7);box-shadow:var(--s1)}@media (min-width:768px){.navbar{height:60px}}.navbar-brand{font-size:clamp(.88rem,3vw,1rem);font-weight:800;letter-spacing:-.06em;color:var(--ink);flex-shrink:0;display:flex;align-items:center}.navbar-brand span{color:var(--red)}.navbar-links{display:none}@media (min-width:768px){.navbar-links{display:flex;gap:2px;margin-left:20px;flex:1}}.nav-link{padding:7px 12px;border-radius:var(--r2);font-size:.83rem;font-weight:600;color:var(--ink-3);transition:color var(--t1),background var(--t1);display:inline-flex;align-items:center;white-space:nowrap}.nav-link:hover{color:var(--ink);background:var(--bg)}.nav-link.active{color:var(--ink);background:var(--bg-2)}.navbar-auth{display:none}@media (min-width:768px){.navbar-auth{display:flex;align-items:center;gap:8px;margin-left:auto}}.nav-plan-badge{font-size:.68rem;font-weight:800;padding:3px 10px;border-radius:16px;background:var(--bg-2);color:var(--ink-4)}.nav-plan-badge[data-plan=pro]{background:#7c3aed;color:#fff}.btn-ghost{padding:7px 14px;border:1.5px solid var(--line);border-radius:var(--r2);background:transparent;font-family:inherit;font-size:.83rem;font-weight:600;color:var(--ink-3);transition:all var(--t1);display:inline-flex;align-items:center}.btn-ghost:hover{background:var(--bg);border-color:var(--line-2);color:var(--ink)}.btn-nav-cta{padding:8px 16px;background:var(--red);color:#fff;border-radius:var(--r2);font-size:.83rem;font-weight:700;box-shadow:var(--red-shadow);transition:background var(--t1),transform var(--t1);display:inline-flex;align-items:center}.btn-nav-cta:hover{background:var(--red-dark);transform:translateY(-1px)}.navbar-hamburger{margin-left:auto;flex-shrink:0;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;padding:10px;background:none;border:none;cursor:pointer;border-radius:var(--r2);-webkit-tap-highlight-color:transparent;transition:background var(--t1)}.navbar-hamburger:hover{background:var(--bg-2)}@media 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16px;font-size:1rem;font-weight:600;color:var(--ink);border-radius:var(--r2);min-height:52px;transition:background var(--t1);text-decoration:none}.mobile-link:hover,.mobile-link--active,.mobile-link.active{background:var(--bg)}.mobile-link--logout{width:100%;text-align:left;border:none;background:none;font-family:inherit;cursor:pointer;color:#b91c1c}.mobile-link--cta{margin-top:8px;background:var(--red);color:#fff!important;justify-content:center;box-shadow:var(--red-shadow)}.mobile-link--cta:hover{background:var(--red-dark)!important}.mobile-divider{height:1px;background:var(--line);margin:8px 0}.mobile-backdrop{position:fixed;inset:0;background:#0b0e1a59;z-index:289;animation:fadeIn .15s ease both}@media (min-width:768px){.mobile-backdrop{display:none!important}}.home-hero{position:relative;overflow:hidden;text-align:center;padding:52px var(--gutter) 44px;display:flex;flex-direction:column;align-items:center;gap:18px;background:var(--white);border-bottom:1px solid var(--line)}@media (min-width:640px){.home-hero{padding:72px var(--gutter) 60px;gap:22px}}@media (min-width:1024px){.home-hero{padding:96px var(--gutter) 80px;gap:26px}}.home-hero:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 70% 60% at 10% 20%,rgba(230,57,70,.06) 0%,transparent 65%),radial-gradient(ellipse 60% 70% at 90% 80%,rgba(69,123,157,.05) 0%,transparent 65%);pointer-events:none}.home-hero:after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle,rgba(11,14,26,.055) 1px,transparent 1px);background-size:24px 24px;pointer-events:none}.hero-badge{position:relative;z-index:1;display:inline-flex;align-items:center;gap:7px;background:var(--white);border:1.5px solid var(--line);color:var(--ink-2);padding:5px 16px;border-radius:32px;font-size:.75rem;font-weight:700;box-shadow:var(--s2);animation:fadeIn .5s ease both;max-width:100%}.hero-badge-dot{width:7px;height:7px;flex-shrink:0;background:#22c55e;border-radius:50%;animation:pulse-dot 2s ease 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var(--t1);display:flex;align-items:center;justify-content:center;min-height:48px}.hero-cta-primary{background:var(--red);color:#fff;box-shadow:var(--red-shadow);border:none}.hero-cta-primary:hover{background:var(--red-dark);transform:translateY(-2px)}.hero-cta-secondary{background:var(--white);color:var(--ink);border:1.5px solid var(--line);box-shadow:var(--s1)}.hero-cta-secondary:hover{background:var(--bg);transform:translateY(-1px)}.hero-stats{position:relative;z-index:1;display:flex;flex-wrap:wrap;background:var(--white);border:1.5px solid var(--line);border-radius:var(--r4);overflow:hidden;box-shadow:var(--s2);width:100%;max-width:520px;animation:fadeUp .55s cubic-bezier(.16,1,.3,1) .3s both}.hero-stat{display:flex;flex-direction:column;align-items:center;gap:2px;padding:12px 8px;flex:1 0 25%;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.hero-stat:nth-child(2n){border-right:none}@media (min-width:480px){.hero-stat{padding:14px 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(min-width:768px){.home-tools-inner{gap:52px}}.tool-category{display:flex;flex-direction:column;gap:12px}.category-title{display:flex;align-items:center;gap:10px;font-size:.67rem;font-weight:700;color:var(--ink-4);letter-spacing:.14em;text-transform:uppercase}.category-title:before{content:"";width:4px;height:14px;background:var(--red);border-radius:2px;flex-shrink:0}.category-title:after{content:"";flex:1;height:1px;background:var(--line)}.tool-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}@media (min-width:480px){.tool-grid{grid-template-columns:repeat(3,1fr)}}@media (min-width:1024px){.tool-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px}}.tool-card{position:relative;overflow:hidden;background:var(--white);border:1px solid var(--line);border-radius:var(--r3);padding:14px 12px;display:flex;flex-direction:column;gap:8px;transition:transform var(--t2),box-shadow var(--t2),border-color var(--t2);-webkit-tap-highlight-color:transparent}@media (min-width:480px){.tool-card{padding:18px 16px}}@media (min-width:768px){.tool-card{padding:20px 18px}}.tool-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--card-color,var(--red));transform:scaleY(0);transform-origin:bottom;transition:transform var(--t2)}.tool-card:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,color-mix(in srgb,var(--card-color,var(--red)) 5%,transparent),transparent 50%);opacity:0;transition:opacity var(--t2);pointer-events:none}@media (hover:hover){.tool-card:hover{transform:translateY(-4px);box-shadow:var(--s3);border-color:color-mix(in srgb,var(--card-color,var(--red)) 30%,var(--line))}.tool-card:hover:before{transform:scaleY(1)}.tool-card:hover:after{opacity:1}.tool-card:hover .tool-card-icon{transform:scale(1.08);background:color-mix(in srgb,var(--card-color,var(--red)) 18%,transparent)}.tool-card:hover .tool-card-arrow{opacity:1;transform:translate(0)}}.tool-card:active{transform:scale(.97);box-shadow:var(--s1)}.tool-card-icon{position:relative;z-index:1;width:34px;height:34px;background:color-mix(in srgb,var(--card-color,var(--red)) 11%,transparent);border-radius:var(--r2);display:flex;align-items:center;justify-content:center;font-size:.95rem;flex-shrink:0;transition:background var(--t2),transform var(--t2)}@media (min-width:480px){.tool-card-icon{width:38px;height:38px;font-size:1.05rem}}@media (min-width:768px){.tool-card-icon{width:40px;height:40px;font-size:1.1rem}}.tool-card-body{position:relative;z-index:1;display:flex;flex-direction:column;gap:3px}.tool-card-label{font-size:.78rem;font-weight:700;color:var(--ink);line-height:1.25}.tool-card-desc{font-size:.66rem;color:var(--ink-3);line-height:1.4}@media (min-width:480px){.tool-card-label{font-size:.83rem}.tool-card-desc{font-size:.7rem}}@media (min-width:768px){.tool-card-label{font-size:.875rem}.tool-card-desc{font-size:.72rem}}.tool-card-arrow{position:absolute;right:10px;bottom:12px;font-size:.85rem;color:var(--card-color,var(--red));opacity:0;transform:translate(-4px);transition:opacity var(--t1),transform var(--t1);z-index:1}.how-section{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:var(--sp-lg) var(--gutter)}.how-inner{max-width:780px;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:28px}.how-title{font-size:clamp(1.2rem,4vw,1.55rem);font-weight:800;letter-spacing:-.04em;text-align:center}.how-steps{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;width:100%}@media (min-width:640px){.how-steps{grid-template-columns:repeat(4,1fr)}}.how-step{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center}.how-step-num{width:34px;height:34px;background:var(--red);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.82rem;font-weight:800;box-shadow:var(--red-shadow)}.how-step-icon{font-size:1.35rem}.how-step-title{font-size:.84rem;font-weight:700;color:var(--ink)}.how-step-desc{font-size:.75rem;color:var(--ink-3);line-height:1.5}.tool-page{display:flex;flex-direction:column;gap:14px;animation:fadeUp .32s cubic-bezier(.16,1,.3,1) both}@media (min-width:640px){.tool-page{gap:20px}}.tool-header{background:var(--white);border-radius:var(--r3);padding:18px var(--gutter);border-left:5px solid var(--red);box-shadow:var(--s2);display:flex;flex-direction:column;gap:6px}@media (min-width:640px){.tool-header{border-radius:var(--r4);padding:28px 30px}}.tool-icon{font-size:1.5rem;line-height:1}.tool-title{font-size:clamp(1.35rem,5vw,1.85rem);font-weight:800;letter-spacing:-.04em;line-height:1.15}.tool-description{color:var(--ink-3);font-size:clamp(.83rem,2.5vw,.92rem);max-width:560px;line-height:1.65}.tool-content{background:var(--white);border-radius:var(--r3);padding:18px var(--gutter);border:1px solid var(--line);box-shadow:var(--s1);display:flex;flex-direction:column;gap:14px}@media (min-width:640px){.tool-content{border-radius:var(--r4);padding:28px;gap:20px}}.upload-zone{position:relative;overflow:hidden;border:2px dashed var(--line-2);border-radius:var(--r3);padding:32px var(--gutter);text-align:center;cursor:pointer;background:linear-gradient(145deg,var(--bg),var(--white));display:flex;flex-direction:column;align-items:center;gap:10px;transition:border-color var(--t2),background var(--t2);min-height:160px;-webkit-tap-highlight-color:transparent}@media (min-width:640px){.upload-zone{padding:52px 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