:root{
  --bg:#ffffff;
  --bg-soft:#f6f8fc;
  --surface:#ffffff;
  --surface-2:#eef4ff;
  --surface-3:#fdf2ff;
  --text:#0f172a;
  --text-strong:#020617;
  --muted:#475569;
  --line:#dbe4f0;
  --line-strong:#c3d4ea;
  --brand-1:#6d28d9;
  --brand-2:#1d4ed8;
  --brand-3:#0891b2;
  --brand-4:#db2777;
  --brand-5:#ea580c;
  --success:#15803d;
  --warning:#b45309;
  --danger:#b91c1c;
  --radius:24px;
  --shadow:0 18px 44px rgba(15,23,42,.08);
  --shadow-lg:0 24px 60px rgba(37,99,235,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;background:
 radial-gradient(circle at top right, rgba(37,99,235,.08), transparent 24%),
 radial-gradient(circle at left top, rgba(219,39,119,.06), transparent 28%),
 linear-gradient(180deg,#ffffff 0%,#f8fbff 48%,#ffffff 100%);color:var(--text);min-height:100vh;line-height:1.65}
a{color:var(--brand-2);text-decoration:none}
a:hover{color:var(--brand-1)}
img{max-width:100%;display:block}
.container{width:min(1180px,calc(100% - 28px));margin:0 auto}
.section{padding:72px 0}
.section-tight{padding:48px 0}
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card,.glass{background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(247,250,255,.96));backdrop-filter:blur(8px);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card{padding:22px}
.glass{padding:18px}
.header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);box-shadow:0 8px 24px rgba(15,23,42,.04)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:74px}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--text-strong)}
.logo-badge{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:#fff;box-shadow:0 12px 24px rgba(109,40,217,.12);border:1px solid var(--line)}
.logo-icon{width:44px;height:44px;display:block}
.nav{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.nav a,.nav button{color:var(--text);font-weight:700;padding:10px 14px;border-radius:14px;border:0;background:transparent;cursor:pointer}
.nav a:hover,.nav button:hover,.nav a.active{background:#eef4ff;color:var(--brand-1)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 18px;border-radius:16px;background:linear-gradient(135deg,var(--brand-1),var(--brand-2));color:white;font-weight:800;border:1px solid rgba(255,255,255,.4);box-shadow:0 16px 26px rgba(37,99,235,.18);transition:transform .18s ease, box-shadow .18s ease}
.btn:hover{transform:translateY(-1px);color:white;box-shadow:0 20px 30px rgba(109,40,217,.18)}
.btn.secondary{background:#ffffff;color:var(--text-strong);border:1px solid var(--line-strong);box-shadow:var(--shadow)}
.btn.orange{background:linear-gradient(135deg,var(--brand-4),var(--brand-5))}
.hero{padding:54px 0 34px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:stretch}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#f3e8ff;border:1px solid #d8b4fe;font-weight:800;color:var(--brand-1);font-size:13px}
.hero h1,.page-hero h1{font-size:clamp(2rem,4vw,3.8rem);line-height:1.05;margin:16px 0 14px;color:var(--text-strong)}
.lead{font-size:1.08rem;color:var(--muted);max-width:70ch}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0 18px}
.pill-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.pill{padding:10px 14px;border-radius:999px;background:#ffffff;border:1px solid var(--line);color:var(--text);font-size:14px;box-shadow:0 8px 16px rgba(15,23,42,.04)}
.hero-side{display:grid;gap:16px}
.tool-search{display:flex;gap:10px;padding:14px;border-radius:18px;background:#ffffff;border:1px solid var(--line);box-shadow:var(--shadow)}
.tool-search input{flex:1;min-width:0;background:transparent;border:0;color:var(--text-strong);font-size:16px;padding:12px}
.tool-search input:focus{outline:none}
.tool-card{position:relative;overflow:hidden;padding:22px;border-radius:24px;border:1px solid var(--line);background:linear-gradient(180deg,#ffffff,#f8fbff);box-shadow:var(--shadow);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.tool-card:hover{transform:translateY(-4px);border-color:#bfd4ff;box-shadow:var(--shadow-lg)}
.tool-card::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at top right, rgba(37,99,235,.10), transparent 28%);pointer-events:none}
.tool-icon{width:54px;height:54px;border-radius:18px;display:grid;place-items:center;background:#fff;border:1px solid var(--line);margin-bottom:18px;box-shadow:0 10px 22px rgba(37,99,235,.12);overflow:hidden}
.tool-icon-img{width:54px;height:54px;display:block}
.badge{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:#eef4ff;font-weight:800;font-size:12px;color:var(--brand-2);border:1px solid #bfdbfe}
.badge.live{background:#ecfdf3;color:var(--success);border-color:#bbf7d0}
.badge.template{background:#fff7ed;color:var(--warning);border-color:#fed7aa}
.section-title{font-size:clamp(1.6rem,3vw,2.4rem);margin:0 0 12px;color:var(--text-strong)}
.section-copy{color:var(--muted);max-width:72ch;margin:0 0 24px}
.feature-list,.faq-list,.plain-list,.step-list{padding-left:1.1rem;margin:0;display:grid;gap:10px;color:var(--text)}
.step-list li::marker{color:var(--brand-1)}
.kpi{padding:18px;border-radius:20px;background:linear-gradient(135deg,#eef2ff,#f0f9ff);border:1px solid #c7d2fe}
.kpi strong{display:block;font-size:2rem;line-height:1;margin-bottom:6px;color:var(--text-strong)}
.footer{margin-top:60px;padding:52px 0 96px;border-top:1px solid var(--line);background:#ffffff}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:24px}
.footer h3,.footer h4{margin-top:0;color:var(--text-strong)}
.footer p,.footer li,.footer a{color:var(--muted)}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.bottom-nav{position:fixed;left:12px;right:12px;bottom:12px;z-index:35;display:none;gap:10px;padding:10px;border-radius:22px;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border:1px solid var(--line);box-shadow:var(--shadow)}
.bottom-nav a{flex:1;text-align:center;padding:12px 10px;border-radius:16px;color:var(--text);font-weight:800;font-size:12px}
.bottom-nav a.active,.bottom-nav a:hover{background:#eef4ff;color:var(--brand-1)}
.page-hero{padding:42px 0 26px}
.page-hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start}
.breadcrumbs{display:flex;gap:8px;flex-wrap:wrap;font-size:14px;color:var(--muted);margin-bottom:16px}
.notice{padding:16px 18px;border-radius:18px;background:#fff7ed;border:1px solid #fdba74;color:#9a3412}
.notice.live{background:#ecfdf3;border-color:#86efac;color:#166534}
.tool-shell{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
.tool-ui{padding:22px;border-radius:24px;background:linear-gradient(180deg,#ffffff,#f8fbff);border:1px solid var(--line);box-shadow:var(--shadow)}
.sidebar-stack{display:grid;gap:18px}
.dropzone{border:1.5px dashed #93c5fd;border-radius:22px;padding:26px;text-align:center;background:#f8fbff;position:relative}
.dropzone input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{display:grid;gap:8px}
.field label{font-weight:800;color:var(--text-strong)}
.input,.select,.textarea{width:100%;padding:14px 14px;border-radius:16px;border:1px solid var(--line-strong);background:#ffffff;color:var(--text-strong);font-size:15px}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:#60a5fa;box-shadow:0 0 0 3px rgba(96,165,250,.18)}
.textarea{min-height:220px;resize:vertical}
.form-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}
.helper{color:var(--muted);font-size:14px;margin:0}
.result-box{display:none;margin-top:18px;padding:18px;border-radius:18px;background:#ecfdf3;border:1px solid #86efac;color:#166534}
.result-box.error{display:block;background:#fef2f2;border-color:#fecaca;color:#991b1b}
.preview-list{display:grid;gap:12px;margin-top:18px}
.preview-item{display:flex;align-items:center;gap:12px;padding:12px;border-radius:16px;background:#ffffff;border:1px solid var(--line)}
.preview-thumb{width:58px;height:58px;border-radius:14px;overflow:hidden;background:#f8fbff;display:grid;place-items:center;flex-shrink:0}
.preview-meta{min-width:0}
.preview-meta strong{display:block;color:var(--text-strong)}
.preview-meta span{color:var(--muted);font-size:13px}
.content-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:24px}
.content-block{padding:24px;border-radius:24px;background:#ffffff;border:1px solid var(--line);box-shadow:var(--shadow)}
.content-block h2{margin-top:0;font-size:1.5rem;color:var(--text-strong)}
.content-block h3{margin-bottom:8px;color:var(--text-strong)}
.content-block p{color:var(--text)}
.faq-item{padding:18px;border-radius:18px;background:#ffffff;border:1px solid var(--line)}
.muted{color:var(--muted)}
.search-empty{padding:18px;border-radius:18px;background:#ffffff;border:1px solid var(--line);display:none}
.table-like{display:grid;gap:12px}
.table-row{display:flex;justify-content:space-between;gap:16px;padding:12px 14px;border-radius:14px;background:#ffffff;border:1px solid var(--line)}
.ad-slot{min-height:110px;border:1px dashed #93c5fd;border-radius:20px;padding:14px;display:grid;place-items:center;color:var(--muted);background:#f8fbff}
.small{font-size:13px}
.center{text-align:center}
.gradient-panel{background:linear-gradient(135deg, rgba(109,40,217,.08), rgba(29,78,216,.08), rgba(219,39,119,.08));border:1px solid #dbe4f0}
@media (max-width: 1024px){
  .hero-grid,.page-hero-inner,.tool-shell,.content-grid,.footer-grid{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width: 780px){
  .header-inner{min-height:66px}
  .nav{display:none}
  .hero,.section{padding:42px 0}
  .hero h1,.page-hero h1{font-size:2.3rem}
  .form-grid,.grid-3,.grid-2,.grid-4{grid-template-columns:1fr}
  .container{width:min(100% - 20px,1180px)}
  .bottom-nav{display:flex}
  .footer{padding-bottom:120px}
}