:root{--primary:#078b67;--primary2:#056ad1;--dark:#102435;--muted:#627384;--bg:#f3f7f8;--line:#dce6e8;--white:#fff;--danger:#cf3c3c;--shadow:0 16px 45px rgba(24,62,76,.11)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:var(--dark);background:var(--bg);line-height:1.55}a{color:inherit;text-decoration:none}.container{width:min(1180px,calc(100% - 32px));margin:auto}.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.nav{height:76px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px}.brand img{width:44px;height:44px}.brand span{display:flex;flex-direction:column}.brand b{font-size:18px}.brand small{font-size:12px;color:var(--muted)}.nav nav{display:flex;gap:28px;align-items:center}.nav nav a:hover{color:var(--primary)}.hero{background:radial-gradient(circle at 90% 15%,rgba(5,106,209,.15),transparent 34%),linear-gradient(140deg,#e8fff7,#f7fbff);padding:72px 0}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}.eyebrow{display:inline-block;color:var(--primary);font-weight:800;letter-spacing:.1em;font-size:12px}.hero h1{font-size:clamp(38px,5vw,64px);line-height:1.06;margin:14px 0 20px;letter-spacing:-.04em}.hero p{font-size:18px;color:var(--muted);max-width:680px}.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:25px}.chips span{background:#fff;border:1px solid #cfe6df;border-radius:999px;padding:8px 13px;font-size:13px}.search-card,.answer-card,.admin-card,.support-card,.article{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.search-card{padding:28px}.search-card label,.login-card label,.form-grid label{font-size:13px;font-weight:700;display:block;margin-bottom:8px}.search-card textarea,.search-card input,input,textarea,select{width:100%;border:1px solid #cbd8dc;border-radius:11px;background:#fff;padding:13px 14px;font:inherit;outline:none;margin:6px 0 17px}.search-card textarea{min-height:140px;resize:vertical}input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(7,139,103,.11)}.btn{display:inline-flex;justify-content:center;align-items:center;border-radius:11px;padding:12px 18px;font-weight:750;border:1px solid transparent;cursor:pointer}.btn.primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff}.search-card .btn{width:100%;font-size:16px}.btn.ghost{border-color:var(--line);background:#fff}.form-note,.hint{font-size:12px;color:var(--muted)}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:-28px}.features article{background:#fff;border:1px solid var(--line);padding:25px;border-radius:17px}.features article>b{color:var(--primary);font-size:13px}.features h3{margin:8px 0}.features p{margin:0;color:var(--muted)}.section{padding:64px 0}.section-head,.card-head,.result-top{display:flex;align-items:center;justify-content:space-between;gap:20px}.section-head h1,.section-head h2{font-size:34px;margin:5px 0 24px}.knowledge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.knowledge-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;transition:.2s}.knowledge-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.knowledge-card span{color:var(--primary);font-size:12px;font-weight:800}.knowledge-card h3{margin:8px 0}.knowledge-card p,.knowledge-card small{color:var(--muted)}footer{background:#102435;color:#d9e6eb;margin-top:60px;padding:40px 0 16px}.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}.copyright{text-align:center;border-top:1px solid #2a4253;margin-top:25px;padding-top:16px;font-size:12px;color:#9db0bb}.alert{padding:13px 16px;border-radius:10px;margin-top:16px}.alert.success{background:#dff8ec;color:#08734f}.alert.error{background:#ffe5e5;color:#a52828}.result-wrap{padding:35px 0 70px}.result-top{margin-bottom:18px}.confidence{background:#e1f8ef;color:#08734f;padding:7px 12px;border-radius:999px;font-size:12px;font-weight:800}.question-box{background:linear-gradient(135deg,#102435,#194664);color:#fff;border-radius:20px;padding:30px;margin-bottom:22px}.question-box span{font-size:12px;color:#7fe0be;font-weight:800}.question-box h1{margin:8px 0;font-size:30px}.question-box p{margin:0;color:#c4d4dc}.result-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:22px}.answer-column{display:flex;flex-direction:column;gap:18px}.answer-card{padding:26px}.answer-card h2{margin:0 0 18px}.diagnosis{border-left:5px solid var(--primary)}.diagnosis span{font-size:11px;color:var(--primary);font-weight:900}.diagnosis h2{margin-top:7px;line-height:1.35}.cause-list{padding-left:22px}.cause-list li{padding:7px 0}.steps{display:flex;flex-direction:column;gap:13px}.steps>div{display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:start}.steps b{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#e5f7f1;color:var(--primary)}.steps p{margin:5px 0}.warning{background:#fff9e9;border-color:#f2d789}.warning p{margin:8px 0}.image-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.image-grid a{border:1px solid var(--line);border-radius:12px;overflow:hidden}.image-grid img{width:100%;height:145px;object-fit:cover;display:block}.image-grid span{display:block;padding:9px;font-size:12px}.img-error{display:none}.sources{display:flex;flex-direction:column}.sources a{padding:15px 0;border-bottom:1px solid var(--line)}.sources small{display:block;color:var(--primary)}.sources p{margin:5px 0;color:var(--muted)}.feedback form{display:flex;gap:10px}.feedback button{border:1px solid var(--line);background:#fff;border-radius:10px;padding:10px 15px;cursor:pointer}.support-card{padding:24px;position:sticky;top:98px}.support-card img{width:58px}.support-card .btn{width:100%;margin-top:10px}.filter{display:flex;gap:10px;margin:22px 0}.filter input{margin:0}.article{padding:35px;margin-top:20px}.article h1{font-size:38px}.article h2{margin-top:30px}.article-img{max-width:100%;border-radius:14px}.empty{padding:40px;background:#fff;border-radius:16px;color:var(--muted)}.admin-body{background:#edf3f5}.admin-shell{display:grid;grid-template-columns:245px 1fr;min-height:100vh}.admin-sidebar{background:#102435;color:#dbe9ee;padding:20px 14px}.admin-brand{display:flex;gap:10px;align-items:center;padding:8px 10px 25px}.admin-brand img{width:40px}.admin-sidebar nav{display:flex;flex-direction:column;gap:5px}.admin-sidebar nav a{padding:11px 12px;border-radius:9px}.admin-sidebar nav a:hover{background:#1c3b50}.admin-main{min-width:0}.admin-main>header{height:72px;background:#fff;border-bottom:1px solid var(--line);padding:0 28px;display:flex;align-items:center;justify-content:space-between}.admin-main>header h1{font-size:22px}.admin-content{padding:26px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:17px;margin-bottom:22px}.stats article{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}.stats span{display:block;color:var(--muted);font-size:13px}.stats b{font-size:32px}.admin-card{padding:22px;box-shadow:none}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;border-bottom:1px solid var(--line);padding:12px 10px;font-size:14px}th{color:var(--muted);font-size:12px}.block{display:block;color:var(--muted)}.danger-link{color:var(--danger)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.form-grid .full{grid-column:1/-1}.form-grid textarea{resize:vertical}.check{display:flex!important;align-items:center;gap:9px}.check input{width:auto;margin:0}.settings-form h2{border-top:1px solid var(--line);padding-top:24px;margin-top:28px}.settings-form h2:first-of-type{border:0;padding-top:0;margin-top:0}.login-body,.install-body{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at top,#ddfff3,#eff5f7)}.login-card,.install-card{width:min(460px,calc(100% - 30px));background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:32px}.install-card{width:min(760px,calc(100% - 30px))}.login-card>img,.install-card>img{width:64px}.login-card .btn,.install-card>.btn{width:100%}.login-card>a{display:block;text-align:center;margin-top:18px;color:var(--muted)}@media(max-width:900px){.hero-grid,.result-layout{grid-template-columns:1fr}.features,.knowledge-grid{grid-template-columns:1fr 1fr}.nav nav a:not(:last-child){display:none}.admin-shell{grid-template-columns:1fr}.admin-sidebar{position:static}.admin-sidebar nav{flex-direction:row;overflow:auto}.admin-sidebar nav a{white-space:nowrap}.stats{grid-template-columns:1fr 1fr}.support-card{position:static}}@media(max-width:600px){.hero{padding:45px 0}.hero h1{font-size:38px}.features,.knowledge-grid,.footer-grid,.form-grid{grid-template-columns:1fr}.features{margin-top:20px}.image-grid{grid-template-columns:1fr 1fr}.stats{grid-template-columns:1fr}.admin-content{padding:14px}.admin-main>header{padding:0 16px}.question-box h1{font-size:23px}.answer-card{padding:20px}.section{padding:42px 0}}

.inline-form{display:inline}.link-button{background:none;border:0;padding:0;font:inherit;cursor:pointer}.danger-link{color:var(--danger)}

/* Installer v1.1 */
.install-help {
    margin: 14px 0 18px;
    padding: 13px 15px;
    border: 1px solid #cfe3e0;
    border-radius: 12px;
    background: #f4fbfa;
    color: #264443;
    font-size: 14px;
    line-height: 1.55;
}
.install-help code {
    padding: 2px 6px;
    border-radius: 5px;
    background: #e6f4f2;
}
.check-label {
    display: flex !important;
    flex-direction: row !important;
    align-items: center;
    gap: 9px;
    font-weight: 600;
}
.check-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
}
.alert.success {
    background: #e9f8ef;
    border-color: #a7dfba;
    color: #176534;
}

/* Knowledge v1.2 */
.knowledge-card{padding:0;overflow:hidden}.knowledge-card-body{padding:18px 20px 21px}.knowledge-thumb{display:block;width:100%;height:155px;object-fit:cover;background:#eaf5f4;border-bottom:1px solid var(--line)}.article-img{display:block;width:100%;max-height:420px;object-fit:cover;background:#edf7f6}.article-source{margin-top:28px;padding-top:18px;border-top:1px solid var(--line)}.article-source a{color:var(--primary);font-weight:800}.filter select{width:min(260px,35%);margin:0}.section-head p{color:var(--muted);margin-top:-16px}@media(max-width:600px){.filter{flex-direction:column}.filter select{width:100%}.knowledge-thumb{height:175px}}
.update-card{max-width:820px}.update-card li{margin:8px 0}.update-card .btn{margin-right:8px}