@import"https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700&family=Sora:wght@500;600;700&display=swap";:root{--bg: #ffffff;--bg-soft: #f5f8ff;--bg-tint: #eef3ff;--ink: #1a1d26;--ink-soft: #5c6578;--line: #e6ebf5;--brand: #1f57ef;--brand-deep: #1646c9;--grad-a: #5b4dff;--grad-b: #1f57ef;--ink-btn: #12141a;--ok: #0f8a4b;--danger: #d92d20;--radius-lg: 28px;--radius-md: 16px;--radius-pill: 999px;--shadow-window: 0 24px 80px rgba(47, 107, 255, .14), 0 8px 24px rgba(18, 20, 26, .06);--font-display: "Sora", "Noto Sans SC", "PingFang SC", sans-serif;--font-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", sans-serif;color-scheme:light}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;color:var(--ink);background:var(--bg);font-family:var(--font-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}::selection{background:color-mix(in srgb,var(--brand) 22%,white);color:var(--ink)}a{color:inherit;text-decoration:none}button,.btn{font:inherit;cursor:pointer;border:0;background:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;height:44px;padding:0 22px;border-radius:var(--radius-pill);font-weight:600;transition:transform .2s ease,background .2s ease,box-shadow .2s ease}.btn:hover{transform:translateY(-1px)}.btn:focus-visible,.nav a:focus-visible,.text-link:focus-visible,.download-card:focus-visible{outline:2px solid var(--brand);outline-offset:3px}.btn-brand{background:var(--brand);color:#fff}.btn-brand:hover{background:var(--brand-deep)}.btn-ink{background:var(--ink-btn);color:#fff}.btn-ink:hover{background:#000}.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn-ghost:hover{background:var(--bg-soft)}.hero-actions .btn{height:48px;min-width:148px;padding:0 28px;font-size:1rem;box-sizing:border-box}.hero-actions .btn-ghost{line-height:1}.btn-primary{background:var(--brand);color:#fff;width:100%}.btn-primary:hover{background:var(--brand-deep)}.site-header{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:28px;height:64px;padding:0 clamp(20px,4vw,48px);background:#ffffffdb;-webkit-backdrop-filter:saturate(1.2) blur(14px);backdrop-filter:saturate(1.2) blur(14px);border-bottom:1px solid transparent;transition:border-color .2s ease}.site-header:hover{border-bottom-color:var(--line)}.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}.logo-mark{width:28px;height:28px;border-radius:50%;object-fit:cover;display:block;background:url(./logo-mark.png) center / cover no-repeat}.logo-mark.sm{width:20px;height:20px}.logo-text{font-family:var(--font-display);font-weight:700;font-size:1.15rem;letter-spacing:-.02em}.nav{display:flex;align-items:center;gap:22px;margin-right:auto;color:var(--ink-soft);font-size:.95rem}.nav a:hover{color:var(--ink)}.site-header .btn-brand{height:38px;padding:0 16px;font-size:.92rem}.hero{position:relative;overflow:hidden;text-align:center;padding:clamp(48px,8vw,88px) 20px 0;background:radial-gradient(900px 420px at 50% -10%,rgba(106,92,255,.16),transparent 60%),radial-gradient(700px 360px at 70% 20%,rgba(47,107,255,.12),transparent 55%),linear-gradient(180deg,#fbfcff,#fff 55%)}.hero-title{margin:0 auto;max-width:16ch;font-family:var(--font-display);font-size:clamp(2.2rem,5.2vw,3.6rem);font-weight:700;line-height:1.18;letter-spacing:-.03em;color:var(--ink)}.hero-title .grad{color:var(--brand)}.hero-title .dot{margin:0 .12em;color:var(--ink-soft);font-weight:500}.hero-sub{margin:18px auto 0;max-width:36rem;color:var(--ink-soft);font-size:1.05rem}.hero-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:28px}.hero-stage{margin:48px auto 0;max-width:1080px;padding:36px 18px 0;border-radius:var(--radius-lg) var(--radius-lg) 0 0;background:radial-gradient(120% 80% at 50% 0%,rgba(31,87,239,.18),transparent 55%),linear-gradient(180deg,var(--bg-tint),#dfe8ff 70%,transparent)}.product-window{margin:0 auto;max-width:920px;border-radius:18px 18px 0 0;overflow:hidden;background:#fff;box-shadow:var(--shadow-window);transform:translateY(0);animation:floaty 6s ease-in-out infinite}.pw-chrome{display:flex;align-items:center;gap:14px;height:44px;padding:0 14px;background:#f3f5fa;border-bottom:1px solid var(--line)}.pw-dots{display:inline-flex;gap:6px}.pw-dots i{width:10px;height:10px;border-radius:50%;background:#d8dde8}.pw-dots i:nth-child(1){background:#ff5f57}.pw-dots i:nth-child(2){background:#febc2e}.pw-dots i:nth-child(3){background:#28c840}.pw-tabs{display:flex;gap:8px;min-width:0}.pw-tab{height:28px;padding:0 12px;border-radius:8px 8px 0 0;background:transparent;color:var(--ink-soft);font-size:.78rem;line-height:28px}.pw-tab.active{background:#fff;color:var(--ink)}.pw-body{min-height:360px;padding:48px 24px 56px;background:radial-gradient(600px 240px at 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button.is-active{background:#12141a;color:#fff}.feature-panel{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:28px;align-items:stretch;min-height:320px;padding:28px;border-radius:var(--radius-lg);background:var(--bg-soft);border:1px solid var(--line)}.feature-panel[hidden]{display:none}.feature-copy{display:flex;flex-direction:column;justify-content:center;padding:12px}.feature-copy h3{margin:0 0 12px;font-family:var(--font-display);font-size:1.55rem;letter-spacing:-.02em}.feature-copy p{margin:0;color:var(--ink-soft)}.text-link{margin-top:22px;color:var(--brand);font-weight:600;width:fit-content}.text-link:after{content:" →"}.feature-visual{border-radius:var(--radius-md);background:#fff;border:1px solid var(--line);min-height:260px;overflow:hidden}.fv-ai .fv-window{display:grid;grid-template-columns:.9fr 1.1fr;height:100%;min-height:260px}.fv-side{padding:18px;background:linear-gradient(180deg,#f3f6ff,#fff);border-right:1px solid var(--line)}.fv-side strong{display:block;margin-bottom:12px;font-size:.85rem;color:var(--ink-soft)}.fv-bubble{margin-bottom:10px;padding:10px 12px;border-radius:12px;background:#e8efff;font-size:.85rem}.fv-bubble.bot{background:var(--bg-soft)}.fv-main{padding:28px 22px}.fv-lines,.fv-lines:before,.fv-lines:after{display:block;height:10px;border-radius:6px;background:#e7ebf5}.fv-lines{margin-bottom:14px;width:92%}.fv-lines:before,.fv-lines:after{content:"";margin-top:10px;width:78%}.fv-lines.short{width:64%}.fv-list{padding:22px;display:grid;gap:12px}.fv-row{display:flex;justify-content:space-between;gap:12px;padding:14px 16px;border-radius:12px;background:var(--bg-soft);border:1px solid var(--line)}.fv-row.on{background:#eaf1ff;border-color:color-mix(in srgb,var(--brand) 28%,white)}.fv-row em{font-style:normal;color:var(--ink-soft);font-size:.85rem}.fv-row.on em{color:var(--brand);font-weight:600}.fv-site{display:grid;place-items:center;padding:28px}.fv-site-cards{display:grid;gap:14px;width:min(100%,320px)}.fv-site-card{padding:18px 20px;border-radius:14px;background:linear-gradient(135deg,#eef3ff,#fff);border:1px solid var(--line)}.fv-site-card.alt{background:linear-gradient(135deg,#f3f0ff,#fff)}.fv-site-card b{display:block;margin-bottom:6px}.fv-site-card span{color:var(--ink-soft);font-size:.82rem}.fv-skills{display:grid;gap:12px;padding:28px}.fv-skill{display:flex;justify-content:space-between;align-items:center;padding:16px 18px;border-radius:12px;border:1px solid var(--line);background:var(--bg-soft)}.fv-skill span{color:var(--brand);font-weight:600}.fv-skill.dim{opacity:.55}.fv-skill.dim span{color:var(--ink-soft)}.fv-chrome{padding:18px}.fv-chrome-bar{display:flex;align-items:center;gap:8px;margin-bottom:18px}.fv-chrome-bar>span{width:10px;height:10px;border-radius:50%;background:#d8dde8}.fv-omni{flex:1;height:34px;border-radius:var(--radius-pill);background:var(--bg-soft);border:1px solid var(--line);color:var(--ink-soft);font-size:.82rem;line-height:34px;padding:0 14px}.fv-chrome-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.fv-chrome-grid i{font-style:normal;text-align:center;padding:28px 12px;border-radius:14px;background:linear-gradient(180deg,#f7f9ff,#fff);border:1px solid var(--line);font-weight:600}.capability-rail{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.capability-rail article,.trust-row article{padding:24px 22px;border-radius:var(--radius-md);background:#fff;border:1px solid var(--line)}.capability-rail h3,.trust-row h3{margin:0 0 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em{margin-top:10px;font-style:normal;color:var(--brand);font-weight:600}.download-note{text-align:center;margin:22px 0 0;color:var(--ink-soft)}.download-note a{color:var(--brand);font-weight:600;text-decoration:underline;text-underline-offset:.18em}.site-footer{padding:40px clamp(20px,4vw,48px) 48px;border-top:1px solid var(--line);display:grid;gap:16px}.footer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:600}.footer-links{display:flex;flex-wrap:wrap;gap:18px;color:var(--ink-soft)}.footer-links a:hover{color:var(--ink)}.footer-copy{margin:0;color:#6b7388;font-size:.88rem}.auth-wrap{min-height:calc(100vh - 64px);display:grid;place-items:center;padding:40px 20px;background:radial-gradient(700px 320px at 50% -10%,rgba(47,107,255,.12),transparent 55%),#f8faff}.auth-card{width:min(100%,420px);padding:32px 28px;border-radius:20px;background:#fff;border:1px solid var(--line);box-shadow:0 18px 50px #2f6bff14}.auth-card h1{margin:0;font-family:var(--font-display);font-size:1.55rem;letter-spacing:-.02em}.auth-card .sub{margin:8px 0 22px;color:var(--ink-soft);font-size:.95rem}.auth-mode{display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:4px;margin-bottom:18px;border-radius:var(--radius-pill);background:var(--bg-soft)}.auth-mode button{height:36px;border-radius:var(--radius-pill);color:var(--ink-soft)}.auth-mode button.active{background:#fff;color:var(--ink);box-shadow:0 1px 4px #12141a14}[hidden]{display:none!important}.field{display:grid;gap:6px;margin-bottom:14px}.field label{font-size:.88rem;color:var(--ink-soft)}.field input{height:44px;padding:0 14px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);font:inherit}.field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px #2f6bff26}.code-row{grid-template-columns:1fr auto;align-items:end;gap:10px}.code-row>div{display:grid;gap:6px}.tip{min-height:1.4em;margin:12px 0 0;color:var(--ink-soft);font-size:.9rem}.tip.error{color:var(--danger)}.tip.ok{color:var(--ok)}.auth-links{margin:18px 0 0;color:var(--ink-soft);font-size:.92rem}.auth-links a{color:var(--brand);font-weight:600}.account-rows{display:grid;gap:14px;margin:4px 0 22px}.account-rows span{display:block;margin-bottom:4px;color:var(--ink-soft);font-size:.82rem}.account-rows strong{font-size:1.02rem;font-weight:650}.account-actions{display:flex;flex-wrap:wrap;gap:10px}.account-actions .btn{min-height:44px;padding:0 18px}@keyframes rise{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}@keyframes floaty{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@media(max-width:900px){.nav{display:none}.feature-panel,.capability-rail,.trust-row,.download-grid,.fv-ai .fv-window{grid-template-columns:1fr}.fv-side{border-right:0;border-bottom:1px solid var(--line)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}.account-center .account-panel{max-width:560px;width:min(560px,100%)}.account-center .eyebrow{margin:0 0 8px;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--chrome-muted, #6b7280)}.account-hero{display:flex;align-items:center;gap:14px;margin:18px 0 8px;padding:14px;border:1px solid var(--line, #e5e7eb);border-radius:14px;background:#fff}.account-avatar{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:20px;font-weight:600;color:#fff;background:linear-gradient(135deg,#1d4ed8,#0f766e)}.account-hero strong{display:block;font-size:16px}.account-hero span{display:block;margin-top:4px;color:var(--chrome-muted, #6b7280);font-size:13px}.account-block{margin-top:18px;padding-top:16px;border-top:1px solid var(--line, #e5e7eb)}.account-block h2{margin:0 0 6px;font-size:15px}.account-block p{margin:0 0 12px;color:var(--chrome-muted, #6b7280);font-size:13px;line-height:1.5}.account-list{margin:0 0 8px;padding-left:18px;color:var(--chrome-ink, #111827);font-size:13px;line-height:1.7}