/* ==========================================================================
   EV Retrofit PK — light, mobile-first, low-bandwidth B2B interface.
   Logical properties are used throughout so the Urdu RTL layout mirrors.
   ========================================================================== */
:root{
  --ink:#12251d; --ink-2:#244338; --muted:#5f7369; --line:#e1e9e3; --line-2:#eef3ef;
  --bg:#f7f9f6; --card:#ffffff; --soft:#eef5f0; --soft-2:#f3f8f4;
  --green:#0e8f5b; --green-d:#0a7046; --green-l:#e3f5eb; --lime:#c9f27a;
  --wa:#20b15b; --wa-d:#128c4a; --blue:#2f6fb5; --blue-l:#e7f0fb; --amber:#d98125;
  --shadow:0 8px 26px rgba(18,37,29,.055); --shadow-lg:0 18px 48px rgba(18,37,29,.10);
  --r:14px; --r-sm:9px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,-apple-system,Segoe UI,Arial,sans-serif;font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased}
body.modal-open{overflow:hidden}
body.is-ur{font-family:"Noto Nastaliq Urdu","Segoe UI",Tahoma,serif;font-size:14px;line-height:2.2}
body.is-ur h1,body.is-ur h2,body.is-ur h3{line-height:2.05}
body.is-ur .btn,body.is-ur .chip,body.is-ur .nav-link,body.is-ur .badge,body.is-ur .tab-btn,
body.is-ur input,body.is-ur select,body.is-ur textarea,body.is-ur .lang-btn,body.is-ur .mobile-link,
body.is-ur .step-chip em,body.is-ur .footer-links a,body.is-ur .breadcrumb{font-family:"Segoe UI",Tahoma,"Noto Nastaliq Urdu",sans-serif;font-size:14px;line-height:1.55}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
img,svg{max-width:100%}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.02em;line-height:1.25}
h1{font-size:clamp(28px,3.6vw,46px);font-weight:800}
h2{font-size:clamp(22px,2.3vw,30px);font-weight:750}
h3{font-size:17px;font-weight:700}
h4{font-size:14px;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.ic{width:18px;height:18px;flex:0 0 auto;display:inline-block;vertical-align:middle}
.wrap{max-width:1200px;margin:0 auto;padding-inline:24px}
.muted{color:var(--muted)}
.section{padding-block:64px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-head p{color:var(--muted);margin-top:8px;max-width:720px}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--green-d);font-weight:650;font-size:14px;white-space:nowrap}
.text-link .ic{width:15px;height:15px}
.band-soft{background:var(--soft-2);border-block:1px solid var(--line-2)}

/* ---------------------------------------------------------------- buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:10px;padding:11px 18px;font-weight:650;font-size:14px;line-height:1.35;transition:transform .15s,background .15s,border-color .15s;white-space:nowrap;text-align:center}
.btn:hover{transform:translateY(-1px)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn .ic{width:17px;height:17px}
.btn-sm{padding:8px 12px;font-size:13px;border-radius:8px}
.btn-lg{padding:14px 22px;font-size:15px;border-radius:11px}
.btn-block{width:100%}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 6px 16px rgba(14,143,91,.2)}
.btn-primary:hover{background:var(--green-d)}
.btn-wa{background:var(--wa);color:#fff;box-shadow:0 6px 16px rgba(32,177,91,.2)}
.btn-wa:hover{background:var(--wa-d)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink-2)}
.btn-outline:hover{border-color:var(--green);color:var(--green-d)}
.btn-ghost{background:var(--soft);color:var(--ink-2);border-color:transparent}
.btn-ghost:hover{background:var(--green-l)}
.icon-btn{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink-2);position:relative}
.icon-btn:hover{border-color:var(--green);color:var(--green-d)}
.icon-btn .ic{width:19px;height:19px}

/* ---------------------------------------------------------------- header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;display:block}
.brand-mark svg{width:100%;height:100%;display:block}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16px;letter-spacing:-.03em}
.brand-text small{font-size:10.5px;color:var(--muted);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px;margin-inline-start:auto}
.nav-link{padding:8px 10px;border-radius:8px;font-size:13.5px;font-weight:600;color:var(--muted);white-space:nowrap}
.nav-link:hover{background:var(--soft);color:var(--ink)}
.nav-link.active{background:var(--green-l);color:var(--green-d)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.lang-switch{display:flex;background:var(--soft);border-radius:9px;padding:3px;gap:2px}
.lang-btn{border:0;background:transparent;color:var(--muted);padding:6px 9px;border-radius:7px;font-size:12px;font-weight:700;min-width:38px}
.lang-btn.active{background:#fff;color:var(--green-d);box-shadow:0 1px 4px rgba(0,0,0,.07)}
.cart-count{position:absolute;top:-6px;inset-inline-end:-6px;background:var(--green);color:#fff;font-size:10px;font-weight:800;border-radius:99px;min-width:17px;height:17px;display:flex;align-items:center;justify-content:center;padding:0 3px}
.menu-btn{display:none}
.mobile-nav{display:none}
.header-wa svg{width:16px;height:16px}

/* ----------------------------------------------------------------- hero */
.hero{background:linear-gradient(180deg,#f1f8f3 0%,var(--bg) 100%);border-bottom:1px solid var(--line-2);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:40px;align-items:center;padding-block:64px 44px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:99px;padding:7px 14px;font-size:12px;font-weight:700;color:var(--green-d);margin-bottom:22px}
.eyebrow .ic{width:15px;height:15px}
.hero-copy h1{max-width:620px}
.hero-sub{margin-top:20px;font-size:16.5px;line-height:1.8;color:var(--muted);max-width:590px}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-note{display:flex;align-items:center;gap:8px;margin-top:22px;color:var(--muted);font-size:13px}
.hero-note .ic{color:var(--green);width:16px;height:16px}
.hero-visual{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-lg);padding:18px}
.hero-diagram{border-radius:12px;overflow:hidden;background:#fbfdfb}
.hero-visual-cap{font-size:11.5px;color:var(--muted);padding:12px 6px 2px;border-top:1px solid var(--line-2);margin-top:12px}
.dg-svg{width:100%;height:auto;display:block}
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-bottom:64px}
.stat{background:#fff;padding:18px 20px;display:flex;flex-direction:column;gap:2px}
.stat strong{font-size:24px;font-weight:800;color:var(--green-d);letter-spacing:-.03em}
.stat span{font-size:12.5px;color:var(--muted)}

/* ----------------------------------------------------------------- cards */
.grid{display:grid;gap:20px}
.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{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:22px}
.badge{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:750;padding:4px 9px;border-radius:99px;white-space:nowrap;line-height:1.4}
.badge-green{background:var(--green-l);color:var(--green-d)}
.badge-blue{background:var(--blue-l);color:var(--blue)}
.badge-soft{background:var(--soft);color:var(--muted)}
.badge-outline{background:#fff;border:1px solid var(--line);color:var(--muted)}
.price-tag{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;color:var(--green-d);background:var(--green-l);padding:5px 10px;border-radius:7px}
.price-tag .ic{width:14px;height:14px}
.tag-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.tag-row span{font-size:11.5px;color:var(--ink-2);background:var(--soft);border-radius:6px;padding:4px 8px}

.sol-card{position:relative;display:block;padding:26px;transition:transform .18s,box-shadow .18s}
.sol-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.sol-icon{width:48px;height:48px;border-radius:13px;background:var(--green-l);color:var(--green-d);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.sol-icon .ic{width:25px;height:25px}
.sol-card h3{margin-bottom:8px}
.sol-card p{color:var(--muted);font-size:13.5px}
.sol-arrow{position:absolute;inset-inline-end:22px;bottom:22px;color:var(--green);display:flex}
.sol-arrow .ic{width:18px;height:18px}

.why-card{position:relative;padding-top:26px}
.why-num{position:absolute;top:18px;inset-inline-end:20px;font-size:30px;font-weight:800;color:var(--line);letter-spacing:-.05em}
.why-icon{width:42px;height:42px;border-radius:11px;background:var(--soft);color:var(--green-d);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.why-icon .ic{width:22px;height:22px}
.why-card h3{margin-bottom:8px;font-size:15.5px}
.why-card p{color:var(--muted);font-size:13px}

.group-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.group-tile{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 14px;display:flex;flex-direction:column;gap:5px;transition:border-color .15s,transform .15s}
.group-tile:hover{border-color:var(--green);transform:translateY(-2px)}
.group-tile .ic{width:22px;height:22px;color:var(--green);margin-bottom:6px}
.group-tile strong{font-size:13px}
.group-tile span{font-size:11px;color:var(--muted)}
.inline-note{display:flex;align-items:flex-start;gap:10px;background:var(--soft);border:1px solid var(--line-2);border-radius:10px;padding:13px 16px;margin-top:24px;font-size:13px;color:var(--ink-2)}
.inline-note .ic{color:var(--green);width:17px;height:17px;margin-top:2px}
.inline-note.error{background:#fff4ec;border-color:#f6dcc3;color:#8a4b12}
.inline-note.error .ic{color:var(--amber)}

.asm-teaser{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow)}
.asm-teaser-img{border:1px solid var(--line-2);border-radius:12px;overflow:hidden;background:#fbfdfb}
.asm-teaser-copy h3{margin-bottom:10px}
.asm-teaser-copy p{color:var(--muted);font-size:13.5px;margin-bottom:16px}
.mini-steps{display:grid;gap:8px;margin-bottom:20px}
.mini-steps li{display:flex;align-items:center;gap:10px;font-size:13px}
.mini-steps span{width:22px;height:22px;border-radius:50%;background:var(--green-l);color:var(--green-d);font-size:11px;font-weight:800;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.wiki-card{display:block;transition:transform .18s,box-shadow .18s}
.wiki-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.wiki-cat{font-size:11px;font-weight:750;color:var(--green-d);background:var(--green-l);padding:4px 9px;border-radius:99px}
.wiki-card h3{margin:14px 0 8px}
.wiki-card p{font-size:13.5px;color:var(--muted)}
.wiki-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:18px;padding-top:14px;border-top:1px solid var(--line-2);font-size:12px;color:var(--muted)}
.wiki-foot span{display:inline-flex;align-items:center;gap:5px}
.wiki-foot .ic{width:14px;height:14px}

.post-card{display:flex;flex-direction:column}
.post-top{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.post-card h3{font-size:15.5px;margin-bottom:8px}
.post-card p{font-size:13px;color:var(--muted);flex:1}
.post-meta{display:flex;flex-wrap:wrap;gap:14px;margin:16px 0;font-size:11.5px;color:var(--muted)}
.post-meta span{display:inline-flex;align-items:center;gap:5px}
.post-meta .ic{width:13px;height:13px}
.post-foot{display:flex;gap:8px;flex-wrap:wrap;border-top:1px solid var(--line-2);padding-top:14px}

.cta-band{background:linear-gradient(120deg,#0d5137,#0e8f5b);border-radius:18px;padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:64px;box-shadow:var(--shadow-lg)}
.cta-band h2{color:#fff}
.cta-band p{color:#d6f0e2;margin-top:8px;font-size:14px}
.cta-band .btn-primary{background:#fff;color:var(--green-d)}

/* -------------------------------------------------------------- page head */
.page-head{background:#fff;border-bottom:1px solid var(--line);padding-block:34px}
.breadcrumb{font-size:12px;color:var(--muted);margin-bottom:12px}
.breadcrumb a{color:var(--green-d)}
.page-head p{color:var(--muted);margin-top:10px;max-width:780px;font-size:15px}

/* --------------------------------------------------------------- filters */
.filter-panel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:20px;display:grid;gap:14px}
.search-box{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:10px;padding:0 12px;background:var(--soft-2)}
.search-box:focus-within{border-color:var(--green);background:#fff}
.search-box .ic{color:var(--muted);width:17px;height:17px}
.search-box input{width:100%;border:0;outline:0;background:transparent;padding:11px 0;font-size:14px;color:var(--ink)}
.filter-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.wrap-chips{gap:7px}
.filter-label{font-size:12px;font-weight:700;color:var(--muted);min-width:60px}
.chip{border:1px solid var(--line);background:#fff;color:var(--ink-2);border-radius:99px;padding:6px 13px;font-size:12.5px;font-weight:600}
.chip:hover{border-color:var(--green)}
.chip.active{background:var(--green);border-color:var(--green);color:#fff}
.result-line{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin:6px 0 22px}
.result-line strong{font-size:18px;color:var(--ink)}
.result-line .btn{margin-inline-start:auto}
.empty-state{text-align:center;padding:60px 20px;color:var(--muted)}
.empty-state .ic{width:36px;height:36px;color:var(--line);margin-bottom:12px}

/* --------------------------------------------------------------- product */
.product-card{display:flex;flex-direction:column;padding:0;overflow:hidden;transition:transform .18s,box-shadow .18s}
.product-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.pc-media{height:112px;background:linear-gradient(135deg,#eef7f1,#e4f0ea);display:flex;align-items:center;justify-content:center;position:relative;border-bottom:1px solid var(--line-2)}
.pc-icon{width:62px;height:62px;border-radius:16px;background:#fff;color:var(--green);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow)}
.pc-icon .ic{width:32px;height:32px}
.pc-media .badge{position:absolute;top:12px;inset-inline-start:12px}
.pc-body{padding:18px;display:flex;flex-direction:column;flex:1}
.pc-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:11px;color:var(--muted);font-weight:600;margin-bottom:10px}
.pc-body h3{font-size:15.5px;line-height:1.4;min-height:44px}
.pc-body h3 a:hover{color:var(--green-d)}
.pc-summary{font-size:12.5px;color:var(--muted);margin-top:8px;flex:1}
.pc-foot{margin-top:16px;padding-top:14px;border-top:1px solid var(--line-2);display:flex;flex-direction:column;gap:12px}
.pc-actions{display:flex;gap:8px;flex-wrap:wrap}
.pc-actions .btn{flex:1;min-width:110px}

.spec-table{margin:0;display:grid;gap:0;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.spec-row{display:grid;grid-template-columns:42% 58%;font-size:12.5px}
.spec-row:nth-child(odd){background:var(--soft-2)}
.spec-row dt{padding:9px 12px;color:var(--muted);font-weight:600;border-inline-end:1px solid var(--line-2)}
.spec-row dd{padding:9px 12px;margin:0;font-weight:650;color:var(--ink-2);word-break:break-word}

/* --------------------------------------------------------------- detail */
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.detail-visual{background:linear-gradient(140deg,#e9f5ee,#f5faf6);border:1px solid var(--line);border-radius:18px;min-height:340px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;padding:30px;position:relative}
.detail-icon{width:120px;height:120px;border-radius:24px;background:#fff;display:flex;align-items:center;justify-content:center;color:var(--green);box-shadow:var(--shadow-lg)}
.detail-icon .ic{width:64px;height:64px}
.detail-visual .badge{position:absolute;top:20px;inset-inline-start:20px}
.detail-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.detail-tags span{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:99px;padding:7px 12px;font-size:12px;font-weight:600}
.detail-tags .ic{width:14px;height:14px;color:var(--green)}
.detail-side{display:grid;gap:16px;align-content:start}
.detail-meta{display:flex;gap:8px;font-size:13px;color:var(--muted);margin-bottom:14px}
.detail-meta strong{color:var(--ink)}
.detail-btns{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.detail-btns .btn{flex:1;min-width:130px}
.warranty-card h3{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.warranty-card h3 .ic{color:var(--green)}
.warranty-card p{font-size:13px;color:var(--ink-2)}
.warranty-card ul{margin-top:10px;display:grid;gap:6px}
.warranty-card li{font-size:12px;color:var(--muted);padding-inline-start:14px;position:relative}
.warranty-card li:before{content:"";position:absolute;inset-inline-start:0;top:8px;width:5px;height:5px;border-radius:50%;background:var(--amber)}
.include-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.include-item{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:9px;padding:11px 12px;font-size:12.5px}
.include-item:hover{border-color:var(--green)}
.include-item .ic{width:14px;height:14px;color:var(--green)}
.include-item span{flex:1}
.include-item small{color:var(--muted);font-size:10.5px;white-space:nowrap}

/* ---------------------------------------------------------------- parts */
.part-group{margin-bottom:30px}
.part-group-head{display:flex;align-items:center;gap:10px;margin-bottom:12px;padding-bottom:10px;border-bottom:2px solid var(--line)}
.part-group-head .ic{color:var(--green);width:20px;height:20px}
.part-group-head h3{font-size:16px}
.part-group-head span{font-size:11.5px;color:var(--muted);margin-inline-start:auto}
.part-list{display:grid;gap:8px}
.part-card{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.part-card[open]{border-color:var(--green);box-shadow:var(--shadow)}
.part-card summary{display:flex;align-items:center;gap:12px;padding:12px 16px;cursor:pointer;list-style:none;font-size:13.5px}
.part-card summary::-webkit-details-marker{display:none}
.part-sku{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:11px;color:var(--green-d);background:var(--green-l);padding:3px 7px;border-radius:5px;white-space:nowrap}
.part-card summary strong{flex:1;font-weight:650}
.part-toggle{color:var(--muted);display:flex;transition:transform .2s}
.part-card[open] .part-toggle{transform:rotate(90deg)}
.part-body{padding:4px 16px 16px;border-top:1px solid var(--line-2)}
.part-body p{font-size:12.5px;color:var(--muted);margin:12px 0}
.part-body .spec-table{grid-template-columns:1fr}
.part-body .spec-row{grid-template-columns:32% 68%}
.part-foot{margin-top:12px;display:flex;justify-content:flex-end}

/* ------------------------------------------------------------- assembly */
.tab-row{display:flex;gap:8px;margin-bottom:20px;border-bottom:1px solid var(--line);padding-bottom:12px}
.tab-row.small{border:0;padding:0;margin-bottom:16px}
.tab-btn{border:1px solid var(--line);background:#fff;border-radius:9px;padding:9px 16px;font-size:13px;font-weight:650;color:var(--muted)}
.tab-btn.active{background:var(--green);border-color:var(--green);color:#fff}
.step-nav{display:flex;gap:8px;overflow-x:auto;padding-bottom:12px;margin-bottom:20px;scrollbar-width:thin}
.step-chip{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:99px;padding:7px 14px 7px 7px;white-space:nowrap;font-size:12px;color:var(--muted);flex:0 0 auto}
.step-chip span{width:22px;height:22px;border-radius:50%;background:var(--soft);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800}
.step-chip em{font-style:normal;max-width:150px;overflow:hidden;text-overflow:ellipsis}
.step-chip.active{border-color:var(--green);color:var(--ink);background:var(--green-l)}
.step-chip.active span{background:var(--green);color:#fff}
.asm-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:start}
.asm-diagram-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:var(--shadow)}
.asm-diagram{border:1px solid var(--line-2);border-radius:10px;overflow:hidden;background:#fbfdfb}
.legend{display:flex;flex-wrap:wrap;gap:16px;padding-top:14px;font-size:11.5px;color:var(--muted)}
.legend span{display:inline-flex;align-items:center;gap:6px}
.lg{width:12px;height:12px;border-radius:3px;display:inline-block}
.lg-green{background:#d8f3e5;border:2px solid #0e8f5b}
.lg-gray{background:#eef3ef;border:2px solid #9aaba3}
.lg-blue{background:#e5effb;border:2px solid #2f6fb5}
.step-tag{font-size:11px;font-weight:800;color:var(--green-d);background:var(--green-l);padding:5px 10px;border-radius:99px;display:inline-block;margin-bottom:14px}
.asm-copy .lead{font-size:14px;color:var(--muted);line-height:1.85;margin:12px 0 18px}
.info-box{background:var(--soft-2);border:1px solid var(--line-2);border-radius:10px;padding:13px 15px;margin-bottom:12px}
.info-box.warn{background:#fff8ee;border-color:#f5e2c7}
.info-box strong{display:flex;align-items:center;gap:7px;font-size:12.5px;margin-bottom:6px}
.info-box strong .ic{width:15px;height:15px;color:var(--green)}
.info-box.warn strong .ic{color:var(--amber)}
.info-box p{font-size:12.5px;color:var(--ink-2)}
.asm-copy h4{margin:20px 0 10px}
.asm-parts{display:flex;flex-wrap:wrap;gap:7px}
.asm-parts span{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;background:#fff;border:1px solid var(--line);border-radius:7px;padding:6px 9px}
.asm-parts .ic{width:13px;height:13px;color:var(--green)}
.asm-actions{display:flex;gap:10px;margin-top:22px}
.wiring-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;overflow-x:auto;box-shadow:var(--shadow)}
.wiring-card .dg-svg{min-width:620px}

/* --------------------------------------------------------------- article */
.article-layout{display:grid;grid-template-columns:1fr 300px;gap:34px;align-items:start}
.article-body{background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px;box-shadow:var(--shadow)}
.article-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted);margin-bottom:26px}
.article-meta .ic{width:14px;height:14px}
.article-p{display:flex;gap:16px;margin-bottom:20px}
.p-num{width:28px;height:28px;border-radius:8px;background:var(--green-l);color:var(--green-d);font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.article-p p{font-size:14.5px;line-height:1.9;color:var(--ink-2)}
.article-body .info-box{margin:24px 0}
.article-aside{display:grid;gap:16px;position:sticky;top:92px}
.article-aside .card h3{margin-bottom:12px}
.aside-link{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 0;border-bottom:1px solid var(--line-2);font-size:13px;color:var(--ink-2)}
.aside-link:hover{color:var(--green-d)}
.aside-link .ic{width:14px;height:14px}
.cta-mini{background:var(--green-l);border-color:#c9e8d5}
.cta-mini p{font-size:12.5px;color:var(--ink-2);margin:8px 0 14px}

/* ------------------------------------------------------------- community */
.community-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:20px}
.login-banner{display:flex;align-items:center;gap:12px;background:var(--green-l);border:1px solid #c9e8d5;border-radius:11px;padding:14px 18px;margin-bottom:24px;font-size:13px;color:var(--green-d)}
.login-banner .ic{width:20px;height:20px}
.login-banner .btn{margin-inline-start:auto}
.subhead{margin:34px 0 16px}
.subhead h2{font-size:19px}
.subhead p{font-size:12.5px;color:var(--muted);margin-top:5px}

/* --------------------------------------------------------------- account */
.guest-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:48px 30px;text-align:center;box-shadow:var(--shadow)}
.guest-card .ic{width:44px;height:44px;color:var(--green);margin-bottom:14px}
.guest-card h2{margin-bottom:10px}
.guest-card p{color:var(--muted);max-width:520px;margin:0 auto 22px}
.account-grid{display:grid;grid-template-columns:340px 1fr;gap:24px;align-items:start}
.account-grid .card h3{display:flex;align-items:center;gap:8px;margin-bottom:18px}
.account-grid .card h3 .ic{color:var(--green)}
.account-lists{display:grid;gap:16px}
.account-id{font-size:11.5px;color:var(--muted);margin:16px 0}
.account-id code{background:var(--soft);padding:2px 6px;border-radius:5px;font-size:11px}
.mini-list{display:grid;gap:6px}
.mini-list a,.mini-row{display:flex;align-items:center;gap:9px;padding:9px 10px;border-radius:8px;background:var(--soft-2);font-size:12.5px}
.mini-list a:hover{background:var(--green-l)}
.mini-list a .ic:first-child{color:var(--green);width:15px;height:15px}
.mini-list a .ic:last-child,.mini-row .ic{margin-inline-start:auto;width:14px;height:14px}
.mini-row{justify-content:space-between}
.account-grid .muted{font-size:13px}

/* ---------------------------------------------------------------- forms */
.form{display:grid;gap:14px}
.form label{display:grid;gap:6px;font-size:12.5px;font-weight:650;color:var(--ink-2)}
.form input,.form select,.form textarea{border:1px solid var(--line);border-radius:9px;padding:10px 12px;font:inherit;font-size:13.5px;color:var(--ink);background:#fff;width:100%;outline:0}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(14,143,91,.09)}
.form textarea{resize:vertical}
.form-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.code-row{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:end}
.form-hint,.form-msg{font-size:12px;color:var(--muted);margin-top:12px}
.form-msg{min-height:18px}
.form-msg.error{color:#b4531a}

/* ---------------------------------------------------------------- modal */
.modal-backdrop{position:fixed;inset:0;z-index:100;background:rgba(9,28,20,.5);display:flex;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(3px)}
.modal-backdrop[hidden]{display:none}
.modal-card{background:#fff;border-radius:18px;width:min(560px,100%);max-height:min(86vh,880px);overflow:auto;box-shadow:0 24px 70px rgba(9,28,20,.28)}
.modal-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff;z-index:2}
.modal-head h2{font-size:19px}
.modal-body{padding:22px 24px 26px}
.modal-actions{display:flex;justify-content:space-between;gap:10px;margin-top:18px;flex-wrap:wrap}
.cart-row{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin-bottom:8px}
.cart-row>div:first-child{flex:1;display:flex;flex-direction:column;gap:2px;min-width:0}
.cart-row strong{font-size:12.5px;line-height:1.4}
.cart-row small{font-size:10.5px;color:var(--muted)}
.qty-ctrl{display:flex;align-items:center;gap:6px}
.qty-ctrl button{width:26px;height:26px;border:1px solid var(--line);border-radius:6px;background:#fff;display:flex;align-items:center;justify-content:center}
.qty-ctrl button .ic{width:13px;height:13px}
.qty-ctrl span{min-width:20px;text-align:center;font-size:13px;font-weight:700}
.modal-body .inline-note{margin-top:18px}
.modal-body .btn-block{margin-top:8px}

/* ---------------------------------------------------------------- toast */
.toast-host{position:fixed;bottom:26px;inset-inline-start:50%;transform:translateX(-50%);z-index:200;display:grid;gap:8px;pointer-events:none}
.toast{background:var(--ink);color:#fff;border-radius:10px;padding:11px 18px;font-size:13px;box-shadow:var(--shadow-lg);animation:toastIn .22s ease}
.toast.out{opacity:0;transform:translateY(8px);transition:.3s}
@keyframes toastIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* --------------------------------------------------------------- footer */
.site-footer{background:#0f2a20;color:#c7ded1;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-block:48px}
.site-footer h4{color:#fff;font-size:13px;margin-bottom:14px}
.site-footer .brand-text strong{color:#fff}
.site-footer .brand-text small{color:#9fc2ae}
.footer-brand p{font-size:12.5px;line-height:1.85;margin-top:16px;max-width:340px}
.footer-links{display:grid;gap:9px;font-size:12.5px}
.footer-links a:hover{color:#fff}
.footer-note{font-size:12.5px;line-height:1.8;margin-bottom:16px}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);padding-block:18px;font-size:11px;color:#8fb29e}
.mobile-wa-bar{display:none}

/* ------------------------------------------------------------ responsive */
@media (max-width:1100px){
  .main-nav{display:none}
  .menu-btn{display:inline-flex}
  .mobile-nav{display:none;position:absolute;top:100%;inset-inline:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg);padding:10px 20px 18px;grid-template-columns:1fr;gap:2px}
  .mobile-nav.open{display:grid}
  .mobile-link{padding:11px 10px;border-radius:8px;font-size:14px;font-weight:600}
  .mobile-link:hover,.mobile-link.active{background:var(--green-l);color:var(--green-d)}
  .wa-link{display:flex;align-items:center;gap:8px;color:var(--green-d)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .group-strip{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .hero-grid{grid-template-columns:1fr;gap:30px;padding-block:44px 32px}
  .hero-visual{order:-1}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .detail-grid,.asm-grid,.article-layout,.account-grid,.asm-teaser{grid-template-columns:1fr}
  .article-aside{position:static}
  .include-grid{grid-template-columns:repeat(2,1fr)}
  .section{padding-block:46px}
}
@media (max-width:640px){
  .wrap{padding-inline:16px}
  .header-inner{min-height:62px;gap:10px}
  .brand-text small{display:none}
  .brand-text strong{font-size:14px}
  .brand-mark{width:32px;height:32px}
  .header-wa span{display:none}
  .header-wa{width:38px;padding:0;justify-content:center}
  .lang-btn{min-width:32px;padding:5px 6px;font-size:11px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .group-strip{grid-template-columns:repeat(2,1fr)}
  .stat-strip{grid-template-columns:repeat(2,1fr);margin-bottom:40px}
  .hero-btns .btn{width:100%}
  .cta-band{padding:26px 22px}
  .cta-band .btn{width:100%}
  .section-head{align-items:flex-start}
  .pc-actions .btn{min-width:0}
  .include-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px;padding-block:36px}
  .footer-bottom{flex-direction:column}
  .form-2{grid-template-columns:1fr}
  .mobile-wa-bar{display:flex;position:fixed;bottom:0;inset-inline:0;z-index:55;gap:8px;padding:9px 12px calc(9px + env(safe-area-inset-bottom));background:rgba(255,255,255,.97);border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(18,37,29,.07)}
  .mobile-wa-bar .btn{flex:1;font-size:12px;padding:10px 8px;overflow:hidden;text-overflow:ellipsis}
  .mobile-wa-bar .btn-outline{white-space:nowrap}
  .app-main{padding-bottom:70px}
  .site-footer{padding-bottom:70px}
  .modal-card{max-height:92vh}
  .modal-body{padding:18px}
  .modal-head{padding:16px 18px}
}
@media print{
  .site-header,.site-footer,.mobile-wa-bar,.modal-backdrop,.toast-host{display:none!important}
  body{background:#fff}
  .card,.article-body{box-shadow:none}
}