:root{
  --bg:#f3f7fc;--surface:#ffffff;--surface-soft:#f8fbff;--surface-muted:#f4f8fd;--text:#1b2a3a;--text-soft:#5c7088;--line:#d8e3ef;--line-strong:#c3d4e6;
  --primary:#176df3;--primary-strong:#0f56c9;--success:#12b981;--warning:#f59e0b;--danger:#d65265;--info:#eaf3ff;
  --shadow:0 20px 48px rgba(18,38,63,.08);--shadow-soft:0 10px 24px rgba(18,38,63,.06);--radius:22px;--radius-sm:16px;--container:1320px;
}
*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:Inter,Segoe UI,Arial,sans-serif;background:linear-gradient(180deg,#f8fbff 0,#f3f7fc 40%,#eef4fa 100%);color:var(--text);line-height:1.58}
a{color:inherit}img{max-width:100%}strong{color:#122033}code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
.page{max-width:var(--container);margin:0 auto;padding:28px 20px 52px}.page-stack{display:grid;gap:22px}.stack{display:grid;gap:14px}.center{text-align:center}.small{font-size:13px;color:var(--text-soft)}.muted{color:var(--text-soft)}
.panel,.card{background:rgba(255,255,255,.96);border:1px solid rgba(201,216,232,.85);border-radius:var(--radius);box-shadow:var(--shadow)}.panel{padding:30px}.card{padding:22px}.panel-tight{padding:24px}.hero-panel{padding:36px}
.navbar-wrap{position:sticky;top:0;z-index:50;background:rgba(248,251,255,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(207,219,232,.82)}
.navbar{max-width:var(--container);margin:0 auto;padding:16px 20px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;align-items:center;gap:14px;text-decoration:none}.brand-mark{width:58px;height:46px;border-radius:15px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),#69a6ff);color:#fff;font-weight:900;box-shadow:0 14px 26px rgba(25,118,255,.2);text-align:center;line-height:1.02}.brand-text{display:grid;gap:2px}.brand-text strong{font-size:1rem}.brand-text span{font-size:13px;color:var(--text-soft)}
.nav-actions{display:flex;align-items:center;gap:16px}.nav-links{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.nav-links>a,.nav-drop summary{padding:10px 13px;border-radius:12px;text-decoration:none;color:var(--text-soft);font-weight:700;cursor:pointer;list-style:none}.nav-links>a:hover,.nav-drop summary:hover{background:#eef5ff;color:var(--primary-strong)}.nav-drop{position:relative}.nav-drop summary::-webkit-details-marker{display:none}.nav-drop-menu{position:absolute;top:calc(100% + 10px);left:0;min-width:300px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:10px;display:grid;gap:4px}.nav-drop-menu a{text-decoration:none;padding:12px 14px;border-radius:12px;color:var(--text-soft);font-weight:600}.nav-drop-menu a:hover{background:#f5f9ff;color:var(--primary-strong)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;width:max-content;padding:7px 12px;border-radius:999px;background:#edf5ff;color:#1454a5;font-size:12px;font-weight:900;letter-spacing:.04em;text-transform:uppercase;border:1px solid rgba(25,118,255,.12)}
h1,h2,h3{margin:0 0 10px}h1{font-size:clamp(2rem,4vw,3rem);line-height:1.06;letter-spacing:-.03em}h2{font-size:clamp(1.34rem,2.5vw,2rem);line-height:1.14}h3{font-size:1.05rem;line-height:1.25}p{margin:0;color:var(--text-soft)}.lead{font-size:1.08rem;max-width:68ch}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.grid-auto{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}.services-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:stretch}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:26px;align-items:start}.page-layout{display:grid;grid-template-columns:280px 1fr;gap:24px}.sidebar{position:sticky;top:92px;height:max-content}
.section-head{display:grid;gap:10px;margin-bottom:18px}.section-head.compact{margin-bottom:12px}
.metric-card{display:grid;gap:6px}.metric-value{font-size:1.55rem;font-weight:900;color:var(--text)}.metric-note{font-size:13px;color:var(--text-soft)}
.badge{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;font-size:12px;font-weight:800;border:1px solid transparent}.badge-status{background:#eefaf5;color:#0f7d55;border-color:#c7ebdc}.badge-muted{background:#f3f7fc;color:#536b86;border-color:#dbe6f1}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.btn,.btn-secondary,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;padding:13px 18px;border-radius:14px;border:none;text-decoration:none;font-weight:800;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,opacity .18s ease,background .18s ease,border-color .18s ease,color .18s ease}.btn{background:linear-gradient(135deg,var(--primary),var(--primary-strong));color:#fff;box-shadow:0 18px 30px rgba(33,139,255,.2)}.btn:hover,.btn-secondary:hover,.btn-ghost:hover{transform:translateY(-1px)}.btn:disabled{opacity:.65;cursor:not-allowed;transform:none}.btn-secondary{background:#fff;border:1px solid var(--line-strong);color:var(--text);box-shadow:var(--shadow-soft)}.btn-ghost{background:#f6f9fd;border:1px solid var(--line);color:var(--text-soft)}
.flash,.notice,.notice-soft,.notice-warning,.success-box{display:block;border-radius:16px;padding:14px 16px}.flash{background:#fff4f5;color:#9e2e42;border:1px solid #f1c3cc}.success-box{background:#eefaf5;color:#146347;border:1px solid #bde8d4}.notice{background:#f5f9ff;color:#24425f;border:1px solid #d6e5f7}.notice-soft{background:#fbfdff;color:#4a6078;border:1px solid #e1ebf5}.notice-warning{background:#fff9ef;color:#845d07;border:1px solid #f6ddab}
.list-clean{display:grid;gap:12px;margin:0;padding:0;list-style:none}.list-clean li{display:flex;align-items:flex-start;gap:10px;color:var(--text-soft)}.kicker-list{display:grid;gap:10px}.kicker-item{display:flex;gap:10px;align-items:flex-start;padding:11px 12px;border-radius:14px;background:#f7fbff;border:1px solid var(--line)}.kicker-item strong{display:block;font-size:14px}.kicker-item span{font-size:13px;color:var(--text-soft)}
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.compare-box{padding:22px;border-radius:18px;border:1px solid var(--line);background:#fff}.compare-box h3{margin-bottom:8px}.compare-box ul{margin:0;padding-left:18px;color:var(--text-soft);display:grid;gap:8px}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field{display:grid;gap:8px}.field label{font-size:14px;font-weight:700;color:var(--text)}.field.full{grid-column:1 / -1}
input,select,textarea{width:100%;padding:13px 14px;border-radius:14px;border:1px solid var(--line-strong);background:#fff;color:var(--text);font:inherit;outline:none;transition:border-color .15s ease, box-shadow .15s ease}input:focus,select:focus,textarea:focus{border-color:#97bcff;box-shadow:0 0 0 4px rgba(25,118,255,.1)}
.upload-box{min-height:210px;border:1.5px dashed rgba(33,139,255,.35);border-radius:24px;background:linear-gradient(180deg,#fbfdff 0%,#f2f8ff 100%);display:grid;place-items:center;text-align:center;padding:24px;cursor:pointer;color:var(--text);transition:border-color .18s ease,transform .18s ease,background .18s ease,box-shadow .18s ease}.upload-box:hover,.upload-box.is-drag{border-color:rgba(33,139,255,.72);transform:translateY(-1px);background:linear-gradient(180deg,#ffffff 0%,#eef6ff 100%);box-shadow:0 18px 30px rgba(33,139,255,.1)}.file-name{padding:12px 14px;border-radius:14px;background:#f8fbff;border:1px solid var(--line);color:#47607d}
.side-title{font-size:13px;color:#8091a8;text-transform:uppercase;letter-spacing:.08em;margin-bottom:12px}.side-links{display:grid;gap:8px}.side-links a{text-decoration:none;padding:12px 14px;border-radius:12px;color:var(--text-soft);border:1px solid transparent;font-weight:700}.side-links a:hover,.side-links a.is-active{background:#f2f8ff;border-color:rgba(33,139,255,.22);color:var(--primary-strong)}
.service-card{display:grid;gap:12px;width:100%;height:100%;padding:24px}.service-card .tag{display:inline-flex;width:max-content;padding:6px 10px;border-radius:999px;background:#edf6ff;border:1px solid rgba(33,139,255,.15);font-size:12px;color:#1e5d9f;font-weight:800}.service-card h3{margin:0;font-size:1.08rem;color:var(--text)}.price-chip{display:inline-flex;padding:8px 12px;border-radius:999px;background:#eefaf5;border:1px solid rgba(25,181,122,.18);font-size:13px;font-weight:800;color:#167451}.service-card:hover{transform:translateY(-2px);box-shadow:0 22px 34px rgba(18,38,63,.1)}
.feature-split{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;align-items:stretch}.feature-surface{padding:24px;border-radius:20px;background:linear-gradient(180deg,#ffffff 0%,#f7fbff 100%);border:1px solid var(--line)}.check-list{display:grid;gap:10px}.check-item{display:flex;gap:10px;align-items:flex-start;color:var(--text-soft)}.check-icon{width:22px;height:22px;border-radius:999px;display:grid;place-items:center;background:#edf6ff;color:#155aa5;font-weight:800;flex:0 0 auto}
.example-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.example-card{padding:22px;border-radius:20px;border:1px solid var(--line);background:linear-gradient(180deg,#fff 0%,#f8fbff 100%)}.example-card .mini-label{display:inline-flex;padding:6px 10px;border-radius:999px;background:#eff6ff;color:#1d5d9c;font-size:12px;font-weight:800;margin-bottom:12px}.mock-sheet,.mock-output{display:grid;gap:10px;padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line)}.mock-row{display:grid;grid-template-columns:1fr;gap:6px;padding:10px 12px;border-radius:12px;background:#f7fbff;border:1px solid #e2edf8;color:#46607b;font-size:13px}.mock-folder{padding:14px 16px;border-radius:14px;background:#f6fbf7;border:1px solid #d8eee1;color:#2d6a49;font-size:13px}.mini-steps{display:grid;gap:10px}.mini-step{display:grid;grid-template-columns:28px 1fr;gap:12px;align-items:flex-start;padding:12px 14px;border-radius:14px;background:#f8fbff;border:1px solid var(--line)}.mini-step-num{width:28px;height:28px;border-radius:10px;display:grid;place-items:center;background:#edf6ff;color:#155aa5;font-weight:800}
.status-steps{display:grid;gap:14px;margin-top:20px}.status-step{display:grid;grid-template-columns:42px 1fr;gap:14px;align-items:flex-start;padding:18px;border-radius:18px;background:#f8fbff;border:1px solid var(--line)}.status-step-number{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;font-weight:800;background:#edf6ff;color:#155aa5;border:1px solid rgba(33,139,255,.15)}.summary-box{display:grid;gap:8px}.qr-shell{display:grid;grid-template-columns:240px 1fr;gap:20px;align-items:center}.qr-box{padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-soft)}.code-box{border-radius:14px;background:#f8fbff;border:1px solid var(--line);padding:16px;word-break:break-all;color:#35506d}
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}.pricing-card{display:grid;gap:14px;padding:24px}.pricing-topline{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.pricing-price{font-size:1.6rem;font-weight:900;color:var(--text)}
.blog-content h1,.blog-content h2{margin:16px 0 10px;color:var(--text)}.blog-content ul{color:var(--text-soft);padding-left:18px}.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-soft)}.faq-item{padding:18px;border:1px solid var(--line);border-radius:16px;background:#fff}
.footer-wrap{margin-top:18px;border-top:1px solid rgba(201,216,232,.8);background:linear-gradient(180deg,rgba(255,255,255,.4),rgba(255,255,255,.78))}.footer{max-width:var(--container);margin:0 auto;padding:28px 20px 40px;color:var(--text-soft);display:grid;gap:18px}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .9fr;gap:18px}.footer a{text-decoration:none;color:inherit}.footer-links{display:grid;gap:10px}.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:18px;border-top:1px solid var(--line)}
.legal-shell{max-width:980px;margin:0 auto}.legal-copy{display:grid;gap:18px}.legal-copy h2{font-size:1.2rem;margin-top:10px}.legal-copy ul{margin:0;padding-left:20px;color:var(--text-soft)}

.service-card-actions{margin-top:auto}
.guide-hero{align-items:start}
.guide-summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.guide-fields-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.guide-field-card{display:grid;gap:12px}
.guide-field-top{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}

@media (max-width:1100px){.hero-grid,.feature-split,.services-grid,.guide-fields-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:980px){.page-layout,.grid,.grid-2,.form-grid,.qr-shell,.compare-grid,.example-grid,.services-grid,.guide-fields-grid{grid-template-columns:1fr}.sidebar{position:static}.navbar{align-items:flex-start;flex-direction:column}.nav-actions,.nav-links{width:100%}.nav-drop-menu{position:static;min-width:unset}.footer-grid,.footer-bottom{grid-template-columns:1fr;display:grid}}

.max-w-980{max-width:980px;margin:0 auto}
.max-w-860{max-width:860px;margin:0 auto}
.max-w-820{max-width:820px;margin:0 auto}
.mt-6{margin-top:6px}
.mt-8{margin-top:8px}
.mt-10{margin-top:10px}
.mt-16{margin-top:16px}
.mt-18{margin-top:18px}
.mb-18{margin-bottom:18px}
.center-justify{justify-content:center}
.space-between-end{justify-content:space-between;align-items:flex-end}
.grid-start{align-items:start}
.surface-soft-gradient{background:linear-gradient(180deg,#ffffff 0%,#f7fbff 100%)}
.block-title{display:block;font-size:1.1rem;margin-bottom:8px}
.inline-code-title{display:block;margin-bottom:8px}
.legal-ack-label{display:flex;align-items:flex-start;gap:10px;font-weight:600}
.legal-ack-checkbox{width:auto;margin-top:2px}
.service-group-title{margin-top:8px}
.hidden{display:none !important}