:root {
  --color-canvas: #F8F5EF; --color-surface: #FFFFFF; --color-surface-muted: #F2EDE5;
  --color-ink: #162033; --color-text: #162033; --color-text-muted: rgba(22,32,51,.68);
  --color-text-soft: rgba(22,32,51,.52); --color-border: rgba(22,32,51,.14); --color-border-strong: rgba(22,32,51,.28);
  --color-accent: #C9822B; --color-accent-hover: #A96821; --color-accent-soft: rgba(201,130,43,.12); --color-error: #A64332;
  --font-sans: "Microsoft YaHei", "微软雅黑", Arial, sans-serif; --container-max: 1180px; --container-readable: 760px; --container-tool: 1080px;
  --radius-sm: 8px; --radius-md: 14px; --radius-lg: 22px; --radius-xl: 30px; --radius-pill: 999px;
  --shadow-card: 0 18px 45px rgba(22,32,51,.08); --shadow-tool: 0 24px 70px rgba(22,32,51,.12); --shadow-focus: 0 0 0 4px rgba(201,130,43,.18);
}
*{box-sizing:border-box} html{scroll-behavior:smooth} [hidden]{display:none!important} body{margin:0;background:var(--color-canvas);color:var(--color-text);font-family:var(--font-sans);font-size:16px;line-height:1.6} a{color:inherit} img,svg{max-width:100%}
.skip-link{position:absolute;left:-999px;top:12px;background:var(--color-ink);color:#fff;padding:10px 14px;border-radius:12px;z-index:5}.skip-link:focus{left:12px}
.container{max-width:var(--container-max);margin:0 auto;padding:0 24px}.readable{max-width:var(--container-readable)}.site-header{position:sticky;top:0;background:rgba(248,245,239,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--color-border);z-index:3}.nav{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-weight:800;text-decoration:none;letter-spacing:-.02em}.nav-links{display:flex;gap:18px;align-items:center}.nav-links a{font-size:14px;text-decoration:none;color:var(--color-text-muted);font-weight:700}.button,.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:var(--radius-pill);font-weight:800;text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit}.primary{background:var(--color-accent);border-color:var(--color-accent);color:#fff}.primary:hover{background:var(--color-accent-hover)}.secondary{background:var(--color-surface);border-color:var(--color-border-strong);color:var(--color-ink)}.account-avatar-link{display:inline-flex!important;align-items:center;gap:8px;min-height:40px;padding:4px 10px!important;border:1px solid var(--color-border-strong);border-radius:999px;background:var(--color-surface);color:var(--color-ink)!important;text-decoration:none;font-weight:800}.account-menu{position:relative}.account-menu-panel{position:absolute;right:0;top:calc(100% + 10px);z-index:20;min-width:230px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:18px;box-shadow:var(--shadow-card);padding:10px;display:grid;gap:4px}.account-menu-panel[hidden]{display:none!important}.account-menu-head{padding:8px 10px 10px;border-bottom:1px solid var(--color-border);margin-bottom:4px}.account-menu-head strong,.account-menu-head span{display:block;max-width:190px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account-menu-head span{font-size:12px;color:var(--color-text-muted)}.account-menu-panel a,.account-menu-panel button{width:100%;border:0;background:transparent;border-radius:12px;padding:10px;text-align:left;font:inherit;font-weight:800;color:var(--color-ink);text-decoration:none;cursor:pointer}.account-menu-panel a:hover,.account-menu-panel button:hover{background:var(--color-surface-muted)}.nav-avatar{width:30px;height:30px;border-radius:50%;object-fit:cover;display:inline-grid;place-items:center;box-shadow:0 0 0 2px rgba(201,130,43,.18)}.nav-avatar-fallback{background:var(--color-accent);color:#fff;font-size:13px}.nav-account-label{max-width:104px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}body[data-page-slug="login"] [data-login-link]{display:none!important}.menu-button.secondary{display:none}button:disabled{opacity:.55;cursor:not-allowed}.hero{padding:72px 0 44px}.hero-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,7fr);gap:34px;align-items:stretch}.hero-left{display:flex;flex-direction:column;justify-content:flex-start;gap:18px}.hero-copy{align-self:start}.hero-feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.hero-feature-grid .card{padding:16px}.hero-feature-grid h3{font-size:15px}.hero-feature-grid p{font-size:13px;line-height:1.45;margin-bottom:0}.hero-grid .tool-shell{height:100%;align-self:stretch}.eyebrow,.label{font-size:12px;letter-spacing:.08em;text-transform:uppercase;font-weight:800;color:var(--color-accent)}h1{font-size:clamp(40px,5vw,56px);line-height:1.1;letter-spacing:-.045em;margin:12px 0 18px}h2{font-size:clamp(28px,3vw,38px);line-height:1.15;letter-spacing:-.035em;margin:0 0 14px}h3{font-size:22px;line-height:1.25;margin:0 0 10px}.subhead{font-size:18px;line-height:1.65;color:var(--color-text-muted);max-width:660px}.hero-bullets,.check-list{padding:0;margin:24px 0;list-style:none;display:grid;gap:10px}.hero-bullets li,.check-list li{padding-left:28px;position:relative}.hero-bullets li:before,.check-list li:before{content:'✓';position:absolute;left:0;top:0;color:var(--color-accent);font-weight:900}.hero-grid>*,.hero-left,.hero-copy,.hero-feature-grid,.hero-feature-grid>*,.tool-shell,.tool-top,.mode-grid,.editor-grid,.editor-grid>*,.panel,.panel-head,.fields,.field,.tool-actions,.card-grid,.card,.pricing-card,.example-grid,.example-card,.footer-grid,.footer-grid>*{min-width:0}.tool-shell{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-tool);padding:20px}.tool-top{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;flex-wrap:wrap}.mode-grid{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.mode-chip{border:1px solid var(--color-border);background:var(--color-surface);border-radius:999px;padding:9px 12px;font-size:13px;font-weight:800;color:var(--color-text-muted);cursor:pointer}.mode-chip[aria-pressed=true]{background:var(--color-accent-soft);border-color:var(--color-accent);color:var(--color-ink)}.toggle{display:flex;gap:10px;align-items:center;font-size:14px;color:var(--color-text-muted);font-weight:700}.toggle input{width:18px;height:18px;accent-color:var(--color-accent);flex:0 0 auto}.editor-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:14px}.panel{background:var(--color-surface-muted);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:14px}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px}.counter{font-size:12px;color:var(--color-text-soft);font-weight:700}textarea{width:100%;min-height:246px;resize:vertical;border:1px solid transparent;background:#fff;color:var(--color-text);border-radius:var(--radius-md);padding:14px;font:inherit;line-height:1.55}.output{white-space:pre-wrap;min-height:246px;background:#fff;border-radius:var(--radius-md);padding:14px;border:1px solid transparent;color:var(--color-text-muted);overflow-wrap:anywhere}.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:14px}.field{display:flex;flex-direction:column;gap:6px}.field input{min-height:44px;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:0 12px;font:inherit}.tool-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:14px}.status{font-size:14px;color:var(--color-text-muted);min-height:24px}.status.error{color:var(--color-error);font-weight:700}.compliance-note{border-left:4px solid var(--color-accent);background:var(--color-accent-soft);border-radius:var(--radius-sm);padding:10px 12px;margin-top:14px;color:var(--color-text-muted);font-size:14px}.section{padding:56px 0}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card,.example-card,.pricing-card,.legal-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:22px}.example-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.example-card pre{white-space:pre-wrap;font:inherit;color:var(--color-text-muted);margin:0;overflow-wrap:anywhere}.chips{display:flex;gap:8px;flex-wrap:wrap}.chip{border:1px solid var(--color-border);background:var(--color-surface);border-radius:999px;padding:6px 10px;font-size:12px;font-weight:800;color:var(--color-text-muted)}.faq{display:grid;gap:12px;max-width:var(--container-readable)}details{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:14px 16px}summary{font-weight:800;cursor:pointer}.related{display:flex;flex-wrap:wrap;gap:10px}.related a{background:var(--color-surface);border:1px solid var(--color-border);border-radius:999px;padding:9px 12px;text-decoration:none;font-weight:700;color:var(--color-text-muted)}.site-footer{border-top:1px solid var(--color-border);padding:42px 0;background:var(--color-surface-muted)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:24px}.footer-grid a{display:block;text-decoration:none;color:var(--color-text-muted);margin:5px 0}.small{font-size:13px;color:var(--color-text-muted)}.legal-page{padding:72px 0}.legal-card{max-width:800px}.breadcrumb{font-size:13px;color:var(--color-text-muted);margin-bottom:12px}.toast{position:fixed;right:16px;bottom:16px;background:var(--color-ink);color:#fff;border-radius:14px;padding:12px 14px;box-shadow:var(--shadow-card);opacity:0;transform:translateY(8px);transition:.2s}.toast.show{opacity:1;transform:none}:focus-visible{outline:none;box-shadow:var(--shadow-focus)}
.account-card{max-width:980px}.google-login{display:inline-flex;align-items:center;justify-content:center;min-height:48px;font-weight:800}.auth-divider{display:flex;align-items:center;gap:12px;color:var(--color-text-muted);font-size:14px}.auth-divider:before,.auth-divider:after{content:"";height:1px;background:var(--color-border);flex:1}.account-hero{display:grid;grid-template-columns:minmax(0,2fr) minmax(240px,1fr);gap:24px;align-items:start}.account-summary{background:var(--color-surface-muted);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:20px;display:grid;gap:8px}.account-summary strong{font-size:26px;line-height:1.1}.account-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:26px 0}.account-field{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:18px}.account-field span{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.08em;font-weight:800;color:var(--color-text-soft)}.account-field strong{display:block;margin-top:6px;font-size:20px}.account-field p{margin:8px 0 0;color:var(--color-text-muted)}.account-actions{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}.account-action:disabled{background:var(--color-surface-muted);color:var(--color-text-soft);border-color:var(--color-border);opacity:1}.auth-card{max-width:900px}.auth-form{display:grid;grid-template-columns:1fr;gap:14px;align-items:stretch;margin:26px 0}.auth-code-field{grid-column:1/-1;display:grid;grid-template-columns:minmax(180px,1fr) auto;gap:12px;align-items:end}.auth-code-field span{grid-column:1/-1}.auth-success{margin:24px 0;padding:20px;border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-accent-soft)}.status.error{color:var(--color-error);font-weight:800}.auth-form input{min-height:48px;border:1px solid var(--color-border-strong);border-radius:var(--radius-md);padding:0 14px;font:inherit;background:var(--color-surface);color:var(--color-text)}.auth-form input:focus{outline:none;box-shadow:var(--shadow-focus);border-color:var(--color-accent)}.auth-form .google-login,.auth-form>[data-send-code]{width:100%}
.hero{background:radial-gradient(circle at 82% 12%,rgba(201,130,43,.16),transparent 32%),linear-gradient(180deg,#fffaf2 0%,var(--color-canvas) 78%)}.hero-grid{grid-template-columns:minmax(0,5.4fr) minmax(420px,6.6fr)}.hero .tool-shell{border:1px solid rgba(201,130,43,.26);box-shadow:0 30px 90px rgba(22,32,51,.16)}.hero-trust-row,.tool-trust-row,.plan-badges{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.hero-trust-row span,.tool-trust-row span,.plan-badges span,.billing-toggle span{border:1px solid var(--color-border);background:rgba(255,255,255,.78);border-radius:var(--radius-pill);padding:7px 11px;font-size:12px;font-weight:800;color:var(--color-text-muted)}.tool-note{margin:6px 0 0;color:var(--color-text-muted);font-size:14px}.tool-control-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin:14px 0}.tool-control{background:var(--color-surface-muted);border:1px solid var(--color-border);border-radius:14px;padding:10px}.tool-control span,.section-kicker,.plan-eyebrow{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.08em;font-weight:900;color:var(--color-accent)}.tool-control p{margin:4px 0 0;font-size:12px;line-height:1.35;color:var(--color-text-muted)}.mode-chip{display:grid;gap:2px;text-align:left}.mode-chip span{font-size:12px;font-weight:600;color:var(--color-text-muted)}.output-panel{background:linear-gradient(180deg,#fff,var(--color-surface-muted))}.step-num{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--color-accent);color:#fff;font-weight:900;margin-bottom:10px}.pricing-section{background:linear-gradient(180deg,rgba(255,255,255,.42),rgba(201,130,43,.08))}.billing-toggle{display:inline-flex;gap:4px;border:1px solid var(--color-border);border-radius:var(--radius-pill);background:var(--color-surface);padding:5px;margin:10px 0 22px}.billing-toggle span{margin:0;background:transparent}.billing-toggle .active{background:var(--color-ink);color:#fff;border-color:var(--color-ink)}.pricing-grid{align-items:stretch}.pricing-card{position:relative;display:flex;flex-direction:column;gap:12px}.pricing-card.featured{border:2px solid var(--color-accent);box-shadow:0 24px 70px rgba(201,130,43,.2);transform:translateY(-8px)}.pricing-card-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.plan-badges{margin:0;justify-content:flex-end}.plan-badges span{background:var(--color-accent-soft);color:var(--color-accent);border-color:rgba(201,130,43,.28)}.plan-price strong{font-size:30px;line-height:1;color:var(--color-ink)}.plan-list{margin:0;padding-left:20px;color:var(--color-text-muted)}.plan-actions{display:grid;gap:9px;margin-top:auto}.plan-actions .primary,.plan-actions .secondary{width:100%}.readiness-band,.responsible-card,.pricing-hero-card{display:grid;grid-template-columns:minmax(0,2fr) minmax(240px,1fr);gap:24px;align-items:center;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);padding:24px;margin-top:24px}.readiness-band h3,.responsible-card h2{margin:4px 0 8px}.comparison-wrap{overflow-x:auto;margin-top:24px;border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface)}.plan-comparison{width:100%;border-collapse:collapse;min-width:720px}.plan-comparison caption{text-align:left;padding:14px 16px;font-weight:900;color:var(--color-ink)}.plan-comparison th,.plan-comparison td{padding:13px 16px;border-top:1px solid var(--color-border);text-align:left;vertical-align:top}.plan-comparison th{background:var(--color-surface-muted);font-size:13px;text-transform:uppercase;letter-spacing:.06em}.pricing-page .pricing-section{padding-top:28px}.pricing-hero-card{margin-top:20px;align-items:start}
@media (max-width: 860px){.container{padding:0 16px}.nav{min-height:62px}.nav-links{display:none}.menu-button.secondary{display:inline-flex}.hero{padding:46px 0 28px}.hero-grid,.hero-feature-grid,.editor-grid,.example-grid,.card-grid,.footer-grid,.account-hero,.account-grid,.auth-form,.auth-code-field,.tool-control-grid,.readiness-band,.responsible-card,.pricing-hero-card{grid-template-columns:1fr}.fields{grid-template-columns:1fr}.tool-shell{padding:14px;border-radius:22px}.mode-grid{flex-wrap:nowrap;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x proximity;padding-bottom:4px;-webkit-overflow-scrolling:touch}.mode-chip{white-space:nowrap;scroll-snap-align:start;flex:0 0 auto;max-width:260px}.toggle{align-items:flex-start}.panel-head{align-items:flex-start;flex-wrap:wrap}textarea,.output{min-height:184px}.tool-actions .primary,.tool-actions .secondary,.account-actions .primary,.account-actions .secondary,.auth-form .primary,.auth-form .secondary{width:100%}.section{padding:38px 0}.pricing-card.featured{transform:none}.billing-toggle{display:flex;flex-wrap:wrap;border-radius:20px}.billing-toggle span{white-space:normal}.readiness-band,.responsible-card,.pricing-hero-card{padding:18px}.mobile-menu-open .nav-links{display:flex;position:absolute;left:16px;right:16px;top:64px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:20px;box-shadow:var(--shadow-card);padding:18px;flex-direction:column;align-items:flex-start}.footer-grid{gap:8px} }