:root{
  --brand:#0E8A8A;
  --brand-dark:#0A6464;
  --brand-soft:#E3F4F4;
  --accent:#F2994A;
  --accent-dark:#D87C2A;
  --bg:#F5F8F8;
  --card:#FFFFFF;
  --text:#16242B;
  --muted:#5B6B72;
  --border:#E2EBEA;
  --radius:16px;
  --shadow:0 1px 2px rgba(0,0,0,.04),0 10px 30px rgba(10,80,80,.07);
  --font:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1160px;margin:0 auto;padding:0 24px}
.section{padding:78px 0}
.section.sm{padding:52px 0}

/* ---------- NAV (clean, single dropdown panel — NOT a mega menu) ---------- */
.nav{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:21px;letter-spacing:-.02em;color:var(--text)}
.logo svg{display:block}
.nav-links{display:flex;gap:6px;align-items:center}
.nav-links > a, .has-drop > a{font-size:14.5px;color:var(--muted);font-weight:600;padding:9px 14px;border-radius:10px;transition:background .15s,color .15s;display:inline-flex;align-items:center;gap:6px}
.nav-links > a:hover, .has-drop > a:hover{color:var(--brand);background:var(--brand-soft)}
.has-drop{position:relative}
.has-drop .chev{font-size:9px;transition:transform .2s;opacity:.7}
.has-drop:hover .chev{transform:rotate(180deg)}
.drop-panel{display:none;position:absolute;right:0;top:100%;margin-top:8px;background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:0 24px 60px rgba(10,80,80,.16);padding:18px;width:440px;z-index:60}
.has-drop:hover .drop-panel{display:block}
.drop-cols{display:grid;grid-template-columns:1fr 1fr;gap:6px 22px}
.drop-item{display:flex;flex-direction:column;gap:2px;padding:9px 11px;border-radius:10px;transition:background .15s}
.drop-item:hover{background:var(--brand-soft)}
.drop-item .dn{font-size:13.5px;font-weight:700;color:var(--text)}
.drop-item .dd{font-size:11.5px;color:var(--muted);line-height:1.35}
.drop-foot{margin-top:12px;padding-top:12px;border-top:1px solid var(--border);text-align:center}
.drop-foot a{font-size:13px;font-weight:700;color:var(--brand)}
.nav-cta{display:flex;gap:10px;align-items:center}
@media(max-width:880px){.nav-links{display:none}.drop-panel{width:320px}}

/* ---------- BUTTONS ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;font-size:14.5px;font-weight:700;padding:12px 20px;border-radius:11px;cursor:pointer;border:1px solid transparent;transition:transform .12s,box-shadow .15s,background .15s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);box-shadow:0 8px 22px rgba(14,138,138,.32)}
.btn-hero{background:var(--accent);color:#fff;font-size:16px;padding:15px 26px;border-radius:13px;box-shadow:0 10px 26px rgba(242,153,74,.45);animation:hero-pulse 2.2s ease-in-out infinite}
.btn-hero:hover{background:var(--accent-dark);box-shadow:0 12px 30px rgba(242,153,74,.55);transform:translateY(-2px)}
@keyframes hero-pulse{0%,100%{box-shadow:0 10px 26px rgba(242,153,74,.45)}50%{box-shadow:0 10px 34px rgba(242,153,74,.65)}}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-dark);box-shadow:0 8px 22px rgba(242,153,74,.34)}
.btn-ghost{background:#fff;color:var(--brand);border-color:#bfe6e6}
.btn-ghost:hover{background:var(--brand-soft)}
.btn-outline{background:transparent;color:var(--text);border-color:var(--border)}
.btn-outline:hover{background:#fff}
.btn-sm{padding:9px 15px;font-size:13.5px}
.btn-block{width:100%}

/* ---------- HERO (centered, with format flow strip — NOT split) ---------- */
.hero{background:
  radial-gradient(900px 360px at 50% -40%,#D6EFEF 0%,rgba(214,239,239,0) 60%),
  linear-gradient(180deg,#EFF8F8 0%,var(--bg) 100%);
  border-bottom:1px solid var(--border);padding:84px 0 0;overflow:hidden}
.hero-inner{text-align:center;max-width:820px;margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:7px;background:#fff;color:var(--brand-dark);font-size:13px;font-weight:700;padding:6px 14px;border-radius:999px;border:1px solid #cfeaea;margin-bottom:20px}
.hero h1{font-size:46px;line-height:1.1;font-weight:800;letter-spacing:-.03em;margin-bottom:18px}
.hero h1 .hl{color:var(--brand)}
.hero p.lead{font-size:18px;color:var(--muted);margin:0 auto 28px;max-width:620px}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:18px}
.hero-note{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.hero-note span{display:inline-flex;align-items:center;gap:6px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--brand)}

/* format flow strip */
.flow{margin:46px auto 0;display:flex;align-items:center;justify-content:center;gap:0;flex-wrap:wrap;max-width:880px}
.flow .chip{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--border);border-radius:12px;padding:10px 15px;font-size:13.5px;font-weight:700;color:var(--text);box-shadow:var(--shadow);margin:6px}
.flow .arrow{color:var(--brand);font-weight:800;font-size:18px;margin:0 -2px}
.flow-cap{text-align:center;font-size:13px;color:var(--muted);margin-top:6px}
@media(max-width:760px){.hero{padding:60px 0 0}.hero h1{font-size:34px}.hero p.lead{font-size:16px}}

/* ---------- TRUST RIBBON (thin, different from 5-col cards) ---------- */
.ribbon{border-bottom:1px solid var(--border);background:#fff}
.ribbon-inner{display:flex;justify-content:center;gap:0;flex-wrap:wrap;padding:20px 0}
.ribbon .stat{display:flex;flex-direction:column;align-items:center;padding:0 34px;position:relative}
.ribbon .stat + .stat:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:34px;background:var(--border)}
.ribbon .n{font-size:26px;font-weight:800;color:var(--brand-dark);letter-spacing:-.02em}
.ribbon .l{font-size:12.5px;color:var(--muted);margin-top:2px}
@media(max-width:680px){.ribbon .stat{padding:0 18px}.ribbon .n{font-size:22px}}

/* ---------- SECTION HEADING ---------- */
.s-head{text-align:center;max-width:680px;margin:0 auto 46px}
.s-head .tag{color:var(--brand);font-weight:700;font-size:13px;letter-spacing:.05em;text-transform:uppercase}
.s-head h2{font-size:32px;font-weight:800;letter-spacing:-.02em;margin:10px 0 12px}
.s-head p{color:var(--muted);font-size:15.5px}

/* ---------- CATEGORY-GROUPED PRODUCTS ---------- */
.cat-block{margin-bottom:54px}
.cat-head{display:flex;align-items:baseline;gap:14px;margin-bottom:22px;flex-wrap:wrap}
.cat-head h3{font-size:20px;font-weight:800;letter-spacing:-.01em}
.cat-head .line{flex:1;height:1px;background:var(--border)}
.cat-head .count{font-size:13px;color:var(--muted);font-weight:600}
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:960px){.prod-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.prod-grid{grid-template-columns:1fr}}
/* Products page — pinned flagship highlight (always visible, above the filter) */
.prod-hero{background:linear-gradient(120deg,#0B2626,#0E8A8A);color:#fff;border-radius:18px;padding:34px 36px;margin:6px 0 30px;display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center}
.prod-hero .ph-badge{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;font-size:12px;font-weight:700;padding:6px 14px;border-radius:999px;margin-bottom:16px}
.prod-hero h2{font-size:30px;font-weight:800;letter-spacing:-.02em;margin-bottom:12px}
.prod-hero .ph-intro{font-size:15px;color:rgba(255,255,255,.9);margin-bottom:22px;max-width:520px}
.prod-hero .ph-acts{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.prod-hero .ph-acts .btn-ghost{background:rgba(255,255,255,.14);color:#fff}
.prod-hero .ph-acts .btn-accent{background:var(--accent);color:#fff}
.prod-hero .ph-price{font-size:22px;font-weight:800}
.prod-hero .ph-price span{font-size:13px;font-weight:500;color:rgba(255,255,255,.75);margin-left:6px}
.prod-hero .ph-shot .app-shot{box-shadow:0 22px 50px rgba(0,0,0,.35);border-radius:14px}
@media(max-width:880px){.prod-hero{grid-template-columns:1fr;gap:24px;padding:26px 22px}}
.prod{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s,border-color .15s}
.prod:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bfe6e6}
.prod .pill{font-size:11px;font-weight:700;padding:3px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand-dark);align-self:flex-start;margin-bottom:12px}
.prod h3{font-size:16.5px;line-height:1.35;margin-bottom:8px;min-height:45px}
.prod p{font-size:13px;color:var(--muted);flex:1;margin-bottom:16px}
.price{display:flex;align-items:baseline;gap:8px;margin-bottom:14px}
.price .now{font-size:21px;font-weight:800;color:var(--text)}
.price .per{font-size:12.5px;color:var(--muted)}
.prod .acts{display:flex;gap:8px}
.prod .acts .btn{flex:1}
.prod.featured{border:1.5px solid var(--brand);box-shadow:0 14px 36px rgba(14,138,138,.16)}
.prod.featured .pill{background:var(--accent);color:#fff}

/* ---------- 首页：分类引导（替代罗列全部产品） ---------- */
.inline{color:var(--brand);font-weight:700;border-bottom:1px solid #bfe6e6}
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:46px}
.cat-explore{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px 22px;display:flex;flex-direction:column;gap:6px;text-decoration:none;color:inherit;transition:transform .15s,box-shadow .15s,border-color .15s}
.cat-explore:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bfe6e6}
.cat-explore .ce-ic{font-size:30px;line-height:1;margin-bottom:6px}
.cat-explore .ce-t{font-size:17px;font-weight:800;letter-spacing:-.01em}
.cat-explore .ce-d{font-size:13px;color:var(--muted);flex:1}
.cat-explore .ce-f{font-size:12.5px;font-weight:700;color:var(--brand);margin-top:10px}
.feat-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:20px}
.feat-head h3{font-size:20px;font-weight:800;letter-spacing:-.01em}
.feat-all{font-size:14px;font-weight:700;color:var(--brand);text-decoration:none}
.feat-all:hover{text-decoration:underline}
@media(max-width:960px){.cat-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.cat-grid{grid-template-columns:1fr}}

/* ---------- BENEFIT BAND (teal tint, not purple gradient) ---------- */
.band{background:linear-gradient(120deg,#0E8A8A,#139B97);color:#fff;border-radius:22px;padding:48px 44px}
.band h2{font-size:28px;font-weight:800;letter-spacing:-.02em;margin-bottom:10px}
.band p{font-size:15.5px;color:rgba(255,255,255,.92);max-width:560px;margin-bottom:24px}
.band .btn-ghost{background:#fff;color:var(--brand-dark)}
.band .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.band-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:820px){.band-grid{grid-template-columns:1fr}.band{padding:34px 26px}.band h2{font-size:24px}}
.band-card{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);border-radius:14px;padding:22px;backdrop-filter:blur(4px)}
.band-card .ico{font-size:24px;margin-bottom:12px}
.band-card h4{font-size:16px;margin-bottom:7px}
.band-card p{font-size:13.5px;color:rgba(255,255,255,.88);margin:0}

/* ---------- WHY (3 cards, not 4-col stats) ---------- */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:820px){.why-grid{grid-template-columns:1fr}}
.why{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px}
.why .ico{width:48px;height:48px;border-radius:13px;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:23px;margin-bottom:16px}
.why h4{font-size:17px;margin-bottom:8px}
.why p{font-size:14px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq{max-width:780px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:13px;margin-bottom:12px;overflow:hidden}
.faq-q{width:100%;text-align:left;background:none;border:0;padding:18px 22px;font-size:15.5px;font-weight:700;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-family:var(--font);color:var(--text)}
.faq-q .pm{color:var(--brand);font-size:22px;transition:transform .2s}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;padding:0 22px;color:var(--muted);font-size:14.5px}
.faq-item.open .faq-a{max-height:260px;padding:0 22px 18px}
.faq-item.open .faq-q .pm{transform:rotate(45deg)}

/* ---------- FINAL CTA ---------- */
.final{background:linear-gradient(120deg,var(--brand-dark),var(--brand));color:#fff;border-radius:22px;padding:56px 44px;text-align:center;margin:0 24px}
.final h2{font-size:30px;font-weight:800;margin-bottom:12px}
.final p{font-size:16px;opacity:.92;margin-bottom:24px}
.final .btn-ghost{background:#fff;color:var(--brand-dark)}
.final .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}

/* ---------- FOOTER (deep teal-charcoal, NOT purple) ---------- */
.footer{background:#0B2626;color:#B9D4D4;padding:58px 0 30px;margin-top:78px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;margin-bottom:38px}
@media(max-width:860px){.footer-grid{grid-template-columns:1fr 1fr}}
.footer .logo{color:#fff;margin-bottom:14px}
.footer h5{color:#fff;font-size:14px;margin-bottom:14px;font-weight:700}
.footer a{display:block;font-size:13.5px;color:#B9D4D4;padding:4px 0;transition:color .15s}
.footer a:hover{color:#fff}
.footer .brand-blurb{font-size:13.5px;line-height:1.7;max-width:300px;margin-top:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;font-size:12.5px;color:#7FA0A0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ---------- PRODUCTS PAGE ---------- */
.filter-bar{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:30px}
.chip{font-size:13.5px;font-weight:600;padding:9px 16px;border-radius:999px;background:#fff;border:1px solid var(--border);color:var(--muted);cursor:pointer;transition:all .15s}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.active{background:var(--brand);color:#fff;border-color:var(--brand)}
.pg-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:960px){.pg-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.pg-grid{grid-template-columns:1fr}}
.pg-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px 20px;display:flex;flex-direction:column;gap:4px;transition:border-color .15s,transform .12s}
.pg-card:hover{border-color:var(--brand);transform:translateY(-2px)}
.pg-card .cat{font-size:11px;font-weight:700;color:var(--brand);text-transform:uppercase;letter-spacing:.03em}
.pg-card .nm{font-size:15px;font-weight:700;line-height:1.35;margin:2px 0 8px}
.pg-card .acts{display:flex;gap:8px;margin-top:auto}
.pg-card .acts a{flex:1;text-align:center;font-size:12.5px;font-weight:700;padding:8px 0;border-radius:9px}
.pg-dl{background:var(--brand-soft);color:var(--brand-dark)}
.pg-view{background:#fff;color:var(--text);border:1px solid var(--border)}
.pg-featured{border:1.5px solid var(--brand);position:relative;box-shadow:0 12px 30px rgba(14,138,138,.16)}
.pg-featured .cat{color:var(--accent-dark)}
.pg-featured .pg-dl{background:var(--accent);color:#fff}

/* ---------- DETAIL PAGE ---------- */
.breadcrumb{padding:20px 0 0;font-size:13px;color:var(--muted);display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{opacity:.5}
.detail-hero{background:#fff;border-bottom:1px solid var(--border);padding:14px 0 44px}
.detail-hero .grid{display:grid;grid-template-columns:1.3fr .7fr;gap:48px;align-items:center}
@media(max-width:920px){.detail-hero .grid{grid-template-columns:1fr;gap:30px}}
.detail-hero h1{font-size:40px;line-height:1.12;font-weight:800;letter-spacing:-.02em;margin:14px 0 10px}
.detail-hero .tagline{font-size:18px;color:var(--brand-dark);font-weight:700;margin-bottom:16px}
.detail-hero .intro{font-size:15.5px;color:var(--muted);margin-bottom:24px;max-width:560px}
.detail-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.detail-note{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.detail-note span{display:inline-flex;align-items:center;gap:6px}
.shot{margin:0}
.app-shot{width:100%;height:auto;display:block;border-radius:14px;box-shadow:0 18px 42px rgba(11,38,38,.16);background:#fff}
.detail-body{display:grid;grid-template-columns:1fr 320px;gap:44px;align-items:start;padding-top:50px}
@media(max-width:920px){.detail-body{grid-template-columns:1fr}}
.detail-main h2{font-size:24px;font-weight:800;letter-spacing:-.02em;margin:0 0 18px}
.detail-main section{margin-bottom:44px}
.feat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 26px}
@media(max-width:620px){.feat-grid{grid-template-columns:1fr}}
.feat{display:flex;gap:10px;font-size:14.5px;color:var(--text);align-items:flex-start}
.feat .ck{width:20px;height:20px;border-radius:6px;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;flex-shrink:0;margin-top:2px}
.fmt-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:620px){.fmt-cards{grid-template-columns:1fr}}
.fmt-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px;box-shadow:var(--shadow)}
.fmt-card h4{font-size:14px;margin-bottom:12px;color:var(--brand-dark);display:flex;align-items:center;gap:8px}
.fmt-card .arrow{color:var(--muted);font-size:12px;font-weight:700}
.fmt-card p{font-size:13.5px;color:var(--muted);line-height:1.85;word-break:break-word}
.why-row{display:flex;gap:10px;flex-wrap:wrap}
.why-chip{background:var(--brand-soft);color:var(--brand-dark);font-size:13px;font-weight:700;padding:8px 14px;border-radius:999px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:900px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.related-grid{grid-template-columns:1fr}}
.rel{background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px;transition:border-color .15s,transform .12s}
.rel:hover{border-color:var(--brand);transform:translateY(-2px)}
.rel .rc{font-size:11px;font-weight:700;color:var(--brand);text-transform:uppercase}
.rel .rn{font-size:14px;font-weight:700;margin:6px 0 10px;line-height:1.35}
.rel .rp{font-size:13px;color:var(--muted);margin-bottom:12px}
.rel .ra{font-size:13px;font-weight:700;color:var(--brand)}
.detail-side{position:sticky;top:90px;display:flex;flex-direction:column;gap:18px}
@media(max-width:920px){.detail-side{position:static}}
.price-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:24px;box-shadow:var(--shadow);text-align:center}
.price-card .lab{font-size:12.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-weight:700}
.price-card .amt{font-size:36px;font-weight:800;letter-spacing:-.02em;margin:6px 0 2px}
.price-card .amt .cur{font-size:21px;vertical-align:super}
.price-card .sub{font-size:12.5px;color:var(--muted);margin-bottom:18px}
.price-card .acts{display:flex;flex-direction:column;gap:10px}
.price-card .mb{font-size:12px;color:var(--brand);margin-top:14px;display:flex;align-items:center;justify-content:center;gap:6px}
/* Discount / sale pricing */
.price .now.sale{color:#E23B3B}
.price .was{font-size:14px;font-weight:700;color:var(--muted);text-decoration:line-through;margin-left:4px}
.price-card .amt.sale{color:#E23B3B}
.price-card .amt .old{font-size:18px;font-weight:700;color:var(--muted);text-decoration:line-through;margin-left:8px;vertical-align:middle}
.req .v .was{font-weight:700;color:var(--muted);text-decoration:line-through;margin-right:4px}
.quick{background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px 22px;box-shadow:var(--shadow)}
.quick h4{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:12px;font-weight:700}
.quick .qr{display:flex;justify-content:space-between;font-size:13.5px;padding:8px 0;border-bottom:.5px solid #EFF3F3}
.quick .qr:last-child{border-bottom:0}
.quick .qr .k{color:var(--muted)}
.quick .qr .v{font-weight:700}
.detail-err{text-align:center;padding:90px 20px}
.detail-err h1{font-size:28px;margin-bottom:14px}
.detail-err a{color:var(--brand);font-weight:700}

/* ---------- DOWNLOADS PAGE ---------- */
.dl-toolbar{display:flex;align-items:center;gap:14px;margin:6px 0 16px;flex-wrap:wrap}
.dl-search-wrap{position:relative;flex:1;min-width:260px;max-width:540px}
.dl-search-ic{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}
.dl-search{width:100%;box-sizing:border-box;font-size:15px;font-family:inherit;color:var(--text);padding:12px 40px 12px 42px;border:1px solid var(--border);border-radius:12px;background:#fff;outline:none;transition:border-color .15s,box-shadow .15s}
.dl-search::placeholder{color:#9bb0b0}
.dl-search:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,138,138,.14)}
.dl-clear{position:absolute;right:10px;top:50%;transform:translateY(-50%);width:24px;height:24px;border:none;border-radius:50%;background:var(--brand-soft);color:var(--brand);font-size:18px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center}
.dl-clear:hover{background:var(--brand);color:#fff}
.dl-result{font-size:13px;color:var(--muted);white-space:nowrap}
.dl-empty{font-size:14px;color:var(--muted);background:var(--brand-soft);border:1px solid #cfeaea;border-radius:12px;padding:14px 18px;margin:0 0 22px}
.dl-empty em{color:var(--brand);font-style:normal;font-weight:700}
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:900px){.dl-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.dl-grid{grid-template-columns:1fr}}
.dl-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px;display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s,border-color .15s}
.dl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#bfe6e6}
.dl-name{font-size:15.5px;font-weight:700;color:var(--text);text-decoration:none;margin-bottom:7px}
.dl-name:hover{color:var(--brand)}
.dl-desc{font-size:13px;color:var(--muted);line-height:1.55;flex:1;margin-bottom:14px}
.dl-btn{display:inline-block;text-align:center;background:var(--brand);color:#fff;font-size:13px;font-weight:700;padding:9px 14px;border-radius:10px;text-decoration:none;transition:background .15s}
.dl-btn:hover{background:var(--brand-dark)}
.dl-acts{display:flex;gap:8px;flex-wrap:wrap}
.dl-buy{display:inline-block;text-align:center;background:#fff;color:var(--brand-dark);border:1px solid var(--brand);font-size:13px;font-weight:700;padding:9px 14px;border-radius:10px;text-decoration:none;transition:background .15s}
.dl-buy:hover{background:var(--brand-soft)}
.dl-featured{margin:18px 0 24px}
.dl-featured .dl-card .dl-acts{flex:0 0 auto}
.dl-featured .dl-card{max-width:none;flex-direction:row;align-items:center;gap:18px;padding:30px 24px;border:1.5px solid var(--brand);box-shadow:0 12px 32px rgba(14,138,138,.16)}
.dl-featured .dl-card .dl-name{font-size:18px;margin:0;flex:0 0 auto;min-width:210px}
.dl-featured .dl-card .dl-desc{margin:0;flex:1 1 auto;font-size:13px}
.dl-featured .dl-card .dl-btn{flex:0 0 auto;padding:9px 16px;margin:0}

/* ---------- DOC / legal pages ---------- */
.doc-head{background:radial-gradient(900px 320px at 75% -30%,#D6EFEF 0%,rgba(214,239,239,0) 60%),#fff;border-bottom:1px solid var(--border);padding:64px 0 46px}
.doc-head .eyebrow{margin-bottom:16px}
.doc-head h1{font-size:38px;line-height:1.14;font-weight:800;letter-spacing:-.02em;margin-bottom:12px}
.doc-head p{font-size:16px;color:var(--muted);max-width:640px}
.doc-body{padding:56px 0 72px}
.doc-body .container{max-width:860px}
.doc-body h2{font-size:22px;font-weight:800;margin:38px 0 12px;letter-spacing:-.01em}
.doc-body h2:first-child{margin-top:0}
.aff-hero{margin:0 0 26px;border-radius:16px;overflow:hidden;box-shadow:0 18px 44px rgba(11,38,38,.14);background:#fff}
.aff-hero img{display:block;width:100%;height:auto}
.aff-cta{background:#F4FBFB;border:1px solid var(--border);border-left:4px solid var(--brand);border-radius:14px;padding:24px 26px;margin:0 0 18px}
.aff-cta h2{margin-top:0}
.aff-cta .lead{font-size:17px;color:var(--text);margin:6px 0 12px}
.aff-cta .btn{margin-top:6px}
.doc-body h3{font-size:16px;font-weight:700;margin:22px 0 8px;color:var(--brand-dark)}
.doc-body p{font-size:15px;color:var(--text);margin-bottom:14px}
.doc-body ul{margin:0 0 16px;padding-left:22px}
.doc-body li{font-size:15px;color:var(--text);margin-bottom:8px}
.doc-body a.inline{color:var(--brand);font-weight:700;border-bottom:1px solid #bfe6e6}
.doc-body a.inline:hover{color:var(--brand-dark)}
.doc-body .updated{font-size:13px;color:var(--muted);margin-top:8px}
.doc-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px 26px;box-shadow:var(--shadow);margin:22px 0}
.doc-card h3{margin-top:0;color:var(--brand-dark)}
.doc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:22px 0}
@media(max-width:760px){.doc-grid{grid-template-columns:1fr}}
.doc-grid .stat{background:var(--brand-soft);border-radius:12px;padding:20px;text-align:center}
.doc-grid .stat .n{font-size:28px;font-weight:800;color:var(--brand-dark)}
.doc-grid .stat .l{font-size:13px;color:var(--muted);margin-top:4px}

/* ---------- Back to top ---------- */
.to-top{position:fixed;right:22px;bottom:22px;z-index:90;width:46px;height:46px;border:none;border-radius:50%;background:var(--brand);color:#fff;font-size:20px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(14,138,138,.3);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .25s ease,transform .25s ease,visibility .25s,background .15s}
.to-top:hover{background:var(--brand-dark)}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
@media(max-width:680px){.to-top{right:14px;bottom:14px;width:42px;height:42px;font-size:18px}}

/* ---------- Advance Features list (real, long) ---------- */
.adv-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px 26px}
.adv-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text);line-height:1.55}
.adv-list li:before{content:"";flex-shrink:0;width:7px;height:7px;border-radius:2px;background:var(--brand);margin-top:7px}
@media(max-width:620px){.adv-list{grid-template-columns:1fr}}

/* ---------- How to use (usage guide) ---------- */
.howto{list-style:decimal inside;margin:14px 0 4px;padding-left:6px}
.howto li{padding:9px 0;border-bottom:1px dashed var(--border);font-size:14.5px;color:var(--text);line-height:1.55}
.howto li:last-child{border-bottom:0}
.doc-body .howto{padding-left:22px}
.cmd{margin:16px 0;background:#06201F;border-radius:12px;padding:14px 16px;overflow:auto;color:#EAFFFB}
.cmd-cap{color:#7FD8D2;font-size:13px;margin-bottom:8px;font-weight:600}
.cmd pre{margin:0;color:#EAFFFB;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13.5px;white-space:pre-wrap;word-break:break-all}
.opt-table{width:100%;border-collapse:collapse;margin-top:4px;font-size:12.5px}
.opt-table td{padding:6px 8px;border-bottom:1px solid rgba(127,216,210,.16);vertical-align:top}
.opt-table tr:last-child td{border-bottom:0}
.opt-table .opt{white-space:nowrap;width:1%}
.opt-table .opt code{background:#0B2626;color:#7FE7E7;padding:2px 7px;border-radius:6px;font-size:11.5px;font-family:ui-monospace,Menlo,Consolas,monospace}
.opt-table tr.opt-sub td{padding-left:30px}
.opt-table tr.opt-sub td.opt{border-left:3px solid rgba(127,216,210,.45)}
.opt-table tr.opt-sub td.opt code{background:transparent;color:#9FE9E3}
.howto-note{font-size:13.5px;color:var(--muted);margin-top:12px;background:var(--brand-soft);border-left:3px solid var(--brand);padding:10px 14px;border-radius:0 8px 8px 0}

/* ---------- System requirements box ---------- */
.req{background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px 22px;box-shadow:var(--shadow)}
.req h4{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:12px;font-weight:700}
.req .qr{display:flex;justify-content:space-between;font-size:13.5px;padding:8px 0;border-bottom:.5px solid #EFF3F3}
.req .qr:last-child{border-bottom:0}
.req .qr .k{color:var(--muted)}
.req .qr .v{font-weight:700;text-align:right;max-width:60%}

/* ---------- OCR language packs ---------- */
.ocr-tip{font-size:14.5px;color:var(--muted);margin-bottom:18px}
.ocr-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
@media(max-width:900px){.ocr-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:620px){.ocr-grid{grid-template-columns:repeat(2,1fr)}}
.ocr{display:flex;align-items:center;justify-content:center;text-align:center;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:11px 10px;font-size:13px;font-weight:600;color:var(--text);transition:border-color .15s,background .15s,transform .12s}
.ocr:hover{border-color:var(--brand);background:#F2FAFA;transform:translateY(-2px);color:var(--brand-dark)}
.ocr-note{font-size:13.5px;color:var(--muted);margin-top:14px}

/* ---- OCR Language Packs page ---- */
.lp-hero{background:linear-gradient(135deg,#E8F7F7 0%,#F4FBFB 55%,#EAF6F2 100%);border-bottom:1px solid var(--border);padding:14px 0 46px}
.lp-hero h1{font-size:38px;font-weight:800;letter-spacing:-.5px;margin:14px 0 14px;color:var(--text)}
.lp-sub{font-size:16px;color:var(--muted);max-width:780px;line-height:1.7;margin:0}
.lp-wrap{display:grid;grid-template-columns:1fr 320px;gap:34px;align-items:start}
.lp-side{position:sticky;top:90px}
.lp-box{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:22px}
.lp-box h4{font-size:16px;margin:0 0 8px;color:var(--text)}
.lp-box .ocr-tip{margin:0 0 12px}
.lp-box .related-grid{grid-template-columns:1fr;gap:10px}

/* ---- OCR CTA card on product pages ---- */
.ocr-cta-sec{margin-top:34px}
.ocr-cta{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;background:linear-gradient(135deg,#0FB6A6,#0A8F86);border-radius:16px;padding:24px 28px;color:#fff}
.ocr-cta h3{color:#fff;margin:0 0 6px;font-size:19px}
.ocr-cta .ocr-tip{color:rgba(255,255,255,.92);margin:0}
.ocr-cta .btn-primary{background:#fff;color:var(--brand-dark);border-color:#fff}
.ocr-cta .btn-primary:hover{background:#F2FAFA}

@media(max-width:880px){
  .lp-wrap{grid-template-columns:1fr}
  .lp-side{position:static}
  .lp-hero h1{font-size:30px}
}

/* =========================================================================
   Ailtware v2 布局骨架 —— 刻意区别于 OkdoSoft 的"导航条+分屏Hero+四栏页脚"
   设计语言：居中堆叠 header / 满幅渐变 Hero / Tab 探索器 / 交错特性行 /
   横向紧凑页脚 / 胶囊按钮
   ========================================================================= */

/* 胶囊按钮（区别于 OkdoSoft 圆角矩形） */
.btn{border-radius:999px}
.btn-sm{padding:9px 16px}

/* 居中堆叠式 header（无 mega、无左对齐导航条） */
.masthead{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.mast-inner{max-width:1160px;margin:0 auto;padding:12px 24px 14px;display:flex;flex-direction:column;align-items:center;gap:7px}
.mast-inner .logo{font-size:23px}
.mast-nav{display:flex;gap:4px;align-items:center;flex-wrap:wrap;justify-content:center}
.mast-nav a{font-size:14px;font-weight:600;color:var(--muted);padding:7px 14px;border-radius:999px;transition:all .15s}
.mast-nav a:hover{background:var(--brand-soft);color:var(--brand)}
.mast-nav a.mast-cta{background:var(--brand);color:#fff;margin-left:6px}
.mast-nav a.mast-cta:hover{background:var(--brand-dark);color:#fff}
@media(max-width:680px){.mast-nav a{padding:6px 10px;font-size:13px}}

/* 满幅青绿渐变 Hero（左对齐文案 + 右侧格式路线卡 + 数据条） */
.hero2{background:linear-gradient(135deg,#0E8A8A 0%,#0A6464 55%,#083F3F 100%);color:#fff;padding:74px 0 60px;position:relative;overflow:hidden}
.hero2:before{content:"";position:absolute;inset:0;background:radial-gradient(720px 380px at 88% -12%,rgba(255,255,255,.14),transparent 60%);pointer-events:none}
.hero2-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:center;position:relative}
@media(max-width:880px){.hero2-grid{grid-template-columns:1fr;gap:34px}}
.hero2 .eyebrow{display:inline-flex;gap:7px;align-items:center;background:rgba(255,255,255,.16);color:#fff;font-size:12.5px;font-weight:700;padding:6px 14px;border-radius:999px;margin-bottom:20px}
.hero2 h1{font-size:46px;line-height:1.08;font-weight:800;letter-spacing:-.03em;margin-bottom:18px}
.hero2 h1 .hl{color:#FFD8A8}
.hero2 p.lead{font-size:18px;color:rgba(255,255,255,.9);max-width:520px;margin-bottom:28px}
.hero2-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:24px}
.hero2 .btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.4)}
.hero2 .btn-ghost:hover{background:rgba(255,255,255,.22)}
.hero2 .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.hero2 .btn-outline:hover{background:rgba(255,255,255,.12)}
.hero2-note{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.85)}
.hero2-note span{display:inline-flex;align-items:center;gap:6px}
.hero2 .dot{background:#FFD8A8}
.hero-route{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:20px;padding:26px;backdrop-filter:blur(6px)}
.hero-route h4{font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:rgba(255,255,255,.82);margin-bottom:16px;font-weight:700}
.route-row{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:13px}
.route-chip{background:#fff;color:var(--brand-dark);font-weight:700;font-size:13px;padding:7px 13px;border-radius:999px}
.route-arrow{color:#FFD8A8;font-weight:800}
.route-cap{font-size:12.5px;color:rgba(255,255,255,.78)}
.hero2-stats{display:flex;gap:0;flex-wrap:wrap;margin-top:42px;border-top:1px solid rgba(255,255,255,.18);padding-top:24px}
.hero2-stats .hs{flex:1;min-width:140px;padding:0 18px;border-right:1px solid rgba(255,255,255,.18)}
.hero2-stats .hs:last-child{border-right:0}
.hero2-stats .n{font-size:30px;font-weight:800;letter-spacing:-.02em}
.hero2-stats .l{font-size:12.5px;color:rgba(255,255,255,.82);margin-top:2px}
@media(max-width:680px){.hero2{padding:52px 0 42px}.hero2 h1{font-size:33px}.hero2-stats .hs{border-right:0;flex-basis:50%;margin-bottom:16px}}

/* 产品 Tab 切换探索器 */
.tabbar{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:34px}
.tab{font-size:14px;font-weight:700;padding:10px 20px;border-radius:999px;background:#fff;border:1px solid var(--border);color:var(--muted);cursor:pointer;transition:all .15s}
.tab:hover{border-color:var(--brand);color:var(--brand)}
.tab.active{background:var(--brand);color:#fff;border-color:var(--brand)}
.tabpanel{display:none}
.tabpanel.active{display:block}
.tabpanel .prod-grid{margin-bottom:0}

/* 旗舰 spotlight 满幅横幅（区别于圆角 band） */
.spotlight{background:linear-gradient(120deg,#0B2626,#0E8A8A);color:#fff;padding:60px 0}
.spotlight-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
@media(max-width:880px){.spotlight-inner{grid-template-columns:1fr;gap:30px}}
.spotlight .badge{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;font-size:12px;font-weight:700;padding:6px 14px;border-radius:999px;margin-bottom:18px}
.spotlight h2{font-size:32px;font-weight:800;letter-spacing:-.02em;margin-bottom:14px}
.spotlight p{font-size:16px;color:rgba(255,255,255,.9);margin-bottom:24px;max-width:560px}
.spotlight .acts{display:flex;gap:12px;flex-wrap:wrap}
.spotlight .acts .btn-ghost{background:rgba(255,255,255,.14);color:#fff}
.spotlight .acts .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.spotlight-visual{padding:0;background:transparent;border:none;display:block}
.spotlight-visual .app-shot{box-shadow:0 26px 60px rgba(0,0,0,.38);border-radius:16px}

/* 左右交错特性行（区别于三栏网格） */
.featrow{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;padding:40px 0;border-top:1px solid var(--border)}
.featrow:first-of-type{border-top:0}
.featrow.reverse .featrow-media{order:-1}
@media(max-width:820px){.featrow{grid-template-columns:1fr;gap:24px}.featrow.reverse .featrow-media{order:0}}
.featrow h3{font-size:24px;font-weight:800;letter-spacing:-.02em;margin-bottom:14px}
.featrow p{font-size:15.5px;color:var(--muted);margin-bottom:18px}
.featrow ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.featrow li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text)}
.featrow li:before{content:"";flex-shrink:0;width:8px;height:8px;border-radius:3px;background:var(--brand);margin-top:7px}
.featrow-media{background:linear-gradient(135deg,var(--brand-soft),#F4FBFB);border:1px solid var(--border);border-radius:18px;min-height:240px;display:flex;align-items:center;justify-content:center;font-size:64px;box-shadow:var(--shadow)}

/* FAQ 双列 */
.faq2{display:grid;grid-template-columns:1fr 1fr;gap:14px 24px;max-width:none}
@media(max-width:760px){.faq2{grid-template-columns:1fr}}

/* 收尾 CTA 分栏（左文 + 右价签） */
.final2{display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:22px;padding:50px 44px;box-shadow:var(--shadow)}
@media(max-width:760px){.final2{grid-template-columns:1fr;padding:36px 26px}}
.final2 h2{font-size:30px;font-weight:800;letter-spacing:-.02em;margin-bottom:12px}
.final2 p{font-size:16px;color:var(--muted);margin-bottom:22px}
.final2 .hero-actions{justify-content:flex-start}
.final2-aside{background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;border-radius:18px;padding:28px;text-align:center;display:block;text-decoration:none;transition:transform .15s ease,box-shadow .15s ease}
.final2-aside:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(14,138,138,.25)}
.final2-aside .n{font-size:34px;font-weight:800}
.final2-aside .l{font-size:13px;color:rgba(255,255,255,.85)}

/* 横向紧凑页脚（无多栏网格） */
.footer2{background:#0B2626;color:#B9D4D4;padding:34px 0 26px;margin-top:78px}
.footer2-inner{display:flex;flex-direction:column;gap:16px;align-items:center;text-align:center}
.footer2 .logo{color:#fff;margin-bottom:0}
.footer2-links{display:flex;gap:6px;flex-wrap:wrap;justify-content:center}
.footer2-links a{font-size:13.5px;color:#B9D4D4;padding:5px 12px;border-radius:999px;transition:all .15s}
.footer2-links a:hover{background:rgba(255,255,255,.1);color:#fff}
.footer2-bottom{font-size:12.5px;color:#7FA0A0;border-top:1px solid rgba(255,255,255,.12);padding-top:16px;width:100%;text-align:center}
.footer2 .brand-blurb{font-size:13px;color:#9FBEBE;max-width:560px;line-height:1.7;margin:0}