/* SEPRAVIA 赛珀维 — site stylesheet (no external dependencies) */
:root{--red:#c8102e;--red-d:#a30b24;--ink:#1c1e22;--txt:#33373d;--gray:#666d78;--line:#e6e8ec;--bg:#f4f5f7;--dark:#15171b;--hh:78px;--side:120px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Noto Sans CJK SC","Source Han Sans SC",Arial,Helvetica,sans-serif;color:var(--txt);font-size:16px;line-height:1.7;background:#fff;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--red);text-decoration:none}
h1,h2,h3,h4{color:var(--ink);line-height:1.3;margin:0 0 .5em}
p{margin:0 0 1em}
.wrap{width:min(1200px,calc(100% - 40px));margin:0 auto}
@media (min-width:900px){.wrap{width:min(1200px,calc(100% - 2*var(--side) - 40px))}}
@media (min-width:1500px){.wrap{width:1200px}}
.skip{position:absolute;left:-999px}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 28px;border-radius:4px;font-weight:700;font-size:16px;border:2px solid transparent;cursor:pointer;transition:.2s;white-space:nowrap;font-family:inherit}
.btn-red{background:var(--red);color:#fff;border-color:var(--red)}
.btn-red:hover{background:var(--red-d);border-color:var(--red-d)}
.btn-line{border-color:#fff;color:#fff;background:rgba(255,255,255,.06)}
.btn-line:hover{background:#fff;color:var(--ink)}
.btn-out{border-color:var(--red);color:var(--red);background:#fff}
.btn-out:hover{background:var(--red);color:#fff}
.btn-sm{min-height:44px;padding:0 18px;font-size:15px}
.btn svg{width:20px;height:20px;flex:none}
/* header */
.hdr{position:sticky;top:0;z-index:80;background:#fff;box-shadow:0 1px 0 var(--line),0 4px 16px rgba(0,0,0,.05)}
.hdr .wrap{display:flex;align-items:center;height:var(--hh);gap:20px}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);flex:none}
.logo img{width:50px;height:50px}
.logo .wm{display:flex;flex-direction:column;line-height:1.05}
.logo .wm b{font-size:25px;letter-spacing:1.5px;color:var(--red);font-weight:800;font-family:Arial,Helvetica,"Microsoft YaHei",sans-serif}
.logo .wm small{font-size:13px;color:var(--gray);letter-spacing:6px;margin-top:3px}
.nav{margin-left:auto}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px}
.nav a{display:flex;align-items:center;height:var(--hh);padding:0 14px;color:var(--ink);font-size:16px;font-weight:600;position:relative;white-space:nowrap}
.nav a:hover,.nav a.on{color:var(--red)}
.nav a.on::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;background:var(--red)}
.hdr-r{display:flex;align-items:center;gap:16px;flex:none}
.lang{display:flex;border:1px solid var(--line);border-radius:4px;overflow:hidden}
.lang a{display:flex;align-items:center;justify-content:center;min-width:40px;height:34px;font-size:13px;font-weight:700;color:var(--gray)}
.lang a.on{background:var(--red);color:#fff}
.hot{display:flex;align-items:center;gap:8px;color:var(--ink)}
.hot svg{width:30px;height:30px;stroke:var(--red);fill:none;stroke-width:1.8}
.hot small{display:block;font-size:12px;color:var(--gray);line-height:1.2}
.hot b{display:block;font-size:18px;color:var(--red);line-height:1.2;font-family:Arial,sans-serif}
.burger{display:none;margin-left:auto;width:48px;height:48px;border:1px solid var(--line);background:#fff;border-radius:6px;cursor:pointer;padding:0;align-items:center;justify-content:center}
.burger span,.burger span::before,.burger span::after{display:block;width:22px;height:2px;background:var(--ink);position:relative;transition:.2s}
.burger span::before,.burger span::after{content:"";position:absolute;left:0}
.burger span::before{top:-7px}.burger span::after{top:7px}
.menu-open .burger span{background:transparent}
.menu-open .burger span::before{top:0;transform:rotate(45deg)}
.menu-open .burger span::after{top:0;transform:rotate(-45deg)}
.nav .m-only{display:none}
@media (max-width:1180px){.hot{display:none}.nav a{padding:0 10px}.nav a.on::after{left:10px;right:10px}}
@media (max-width:899px){
 :root{--hh:64px}
 .logo img{width:42px;height:42px}.logo .wm b{font-size:21px}.logo .wm small{font-size:12px;letter-spacing:5px}
 .burger{display:flex}
 .hdr-r{gap:8px}.hdr-r .lang{display:none}
 .nav{position:fixed;left:0;right:0;top:var(--hh);bottom:0;background:#fff;transform:translateX(100%);transition:transform .25s;overflow-y:auto;margin:0;padding:8px 20px 100px}
 .menu-open .nav{transform:none}
 .menu-open{overflow:hidden}
 .nav ul{flex-direction:column;gap:0}
 .nav a{height:56px;border-bottom:1px solid var(--line);font-size:17px;padding:0 4px}
 .nav a.on::after{display:none}
 .nav .m-only{display:block}
 .nav .m-lang{display:flex;gap:10px;padding:18px 0}
 .nav .m-lang a{height:44px;min-width:64px;justify-content:center;border:1px solid var(--line);border-radius:4px;font-size:15px}
 .nav .m-lang a.on{background:var(--red);color:#fff;border-color:var(--red)}
}
/* hero carousel */
.hero{position:relative;height:calc(100vh - var(--hh));min-height:580px;max-height:920px;overflow:hidden;background:#111;color:#fff}
.slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;visibility:hidden;transition:opacity .9s,visibility .9s;display:flex;align-items:center}
.slide.on{opacity:1;visibility:visible;z-index:1}
.slide::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,10,14,.82) 0%,rgba(8,10,14,.6) 45%,rgba(8,10,14,.25) 100%)}
.slide .wrap{position:relative}
.s-txt{max-width:760px;transform:translateY(16px);transition:transform 1s}
.slide.on .s-txt{transform:none}
.s-eye{display:inline-flex;align-items:center;gap:12px;font-size:15px;letter-spacing:3px;font-weight:700;color:#fff;opacity:.9;margin-bottom:14px;text-transform:uppercase}
.s-eye::before{content:"";width:40px;height:3px;background:var(--red)}
.s-txt h1,.s-txt h2{color:#fff;font-size:clamp(44px,6.4vw,88px);font-weight:800;letter-spacing:2px;margin:0 0 18px;text-shadow:0 2px 24px rgba(0,0,0,.35)}
.s-line{font-size:clamp(16px,1.6vw,21px);line-height:1.75;margin:0 0 34px;color:rgba(255,255,255,.92);max-width:700px}
.s-line b{color:#fff;font-weight:700}
.s-act{display:flex;gap:14px;flex-wrap:wrap}
.h-ctl{position:absolute;z-index:5;left:0;right:0;bottom:34px;display:flex;align-items:center;justify-content:center;gap:18px}
.h-arr{width:48px;height:48px;border-radius:50%;border:1.5px solid rgba(255,255,255,.7);background:rgba(0,0,0,.25);color:#fff;font-size:26px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0 0 3px}
.h-arr:hover{background:var(--red);border-color:var(--red)}
.dots{display:flex;gap:10px}
.dots button{width:44px;height:44px;border:0;background:none;cursor:pointer;padding:0;display:flex;align-items:center;justify-content:center}
.dots button::before{content:"";width:34px;height:4px;border-radius:2px;background:rgba(255,255,255,.45);transition:.3s}
.dots button.on::before{background:var(--red);width:44px}
.s-num{position:absolute;right:0;top:-70px;font-size:14px;letter-spacing:2px;opacity:.6}
@media (max-width:899px){
 .hero{height:calc(100svh - var(--hh) - 64px);min-height:560px}
 .slide{align-items:flex-end;padding-bottom:120px}
 .slide::before{background:linear-gradient(0deg,rgba(8,10,14,.88) 0%,rgba(8,10,14,.6) 55%,rgba(8,10,14,.35) 100%)}
 .s-act .btn{flex:1;padding:0 12px}
 .h-ctl{bottom:22px;gap:6px}.dots{gap:0}.dots button::before{width:24px}.dots button.on::before{width:32px}
 .h-arr{width:44px;height:44px}
}
/* sections */
.sec{padding:84px 0}
.sec.alt{background:var(--bg)}
.sec-head{text-align:center;max-width:780px;margin:0 auto 46px}
.sec-head .eye{color:var(--red);font-weight:700;font-size:14px;letter-spacing:3px;text-transform:uppercase;margin-bottom:8px}
.sec-head h2{font-size:clamp(28px,3vw,38px);font-weight:800;margin-bottom:14px}
.sec-head h2::after{content:"";display:block;width:56px;height:4px;background:var(--red);margin:16px auto 0}
.sec-head p{color:var(--gray);font-size:17px;margin:0}
.sec-head.l{text-align:left;margin-left:0}.sec-head.l h2::after{margin-left:0}
@media (max-width:899px){.sec{padding:56px 0}.sec-head{margin-bottom:30px}.sec-head p{font-size:15.5px}}
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:1100px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}
.center{text-align:center}
.mt{margin-top:36px}
/* core gravity cards */
.core{display:block;background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 6px 24px rgba(20,24,32,.08);color:inherit;transition:.25s;border-bottom:3px solid transparent}
.core:hover{transform:translateY(-4px);border-bottom-color:var(--red)}
.core .ci{aspect-ratio:4/3;background:#2b2e34}
.core .ci img{width:100%;height:100%;object-fit:cover}
.core .cb{padding:20px 22px 22px}
.core h3{font-size:20px;margin-bottom:6px}
.core p{color:var(--gray);font-size:14.5px;margin-bottom:12px}
.kv{list-style:none;margin:0 0 14px;padding:0;font-size:14px}
.kv li{display:flex;justify-content:space-between;gap:10px;border-top:1px dashed var(--line);padding:7px 0}
.kv li span{color:var(--gray)}.kv li b{color:var(--ink);text-align:right}
.more{color:var(--red);font-weight:700;font-size:15px}
/* category tiles */
.cat{position:relative;display:flex;flex-direction:column;background:#22252b;border-radius:10px;overflow:hidden;color:#fff;min-height:250px}
.cat img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.cat:hover img{transform:scale(1.05)}
.cat::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.82) 0%,rgba(0,0,0,.1) 60%)}
.cat .ct{position:relative;z-index:1;margin-top:auto;padding:20px 22px}
.cat h3{color:#fff;font-size:21px;margin:0 0 4px}
.cat .ct p{margin:0;font-size:14px;opacity:.85}
.cat .ct p::after{content:" →";color:#fff}
.cat:hover .ct h3{color:#fff}
.cat.big{grid-column:span 2}
@media (max-width:640px){.cat.big{grid-column:auto}.cat{min-height:210px}}
/* process tiles */
.proc{position:relative;display:block;border-radius:10px;overflow:hidden;min-height:380px;color:#fff;background:#222 center/cover}
.proc::before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.86) 10%,rgba(0,0,0,.25) 70%);transition:.3s}
.proc:hover::before{background:linear-gradient(0deg,rgba(160,11,36,.9) 10%,rgba(0,0,0,.25) 75%)}
.proc .pt{position:absolute;left:0;right:0;bottom:0;padding:26px}
.proc .n{font-size:14px;letter-spacing:2px;opacity:.75;font-weight:700}
.proc h3{color:#fff;font-size:28px;margin:4px 0 8px}
.proc p{font-size:14.5px;margin:0 0 12px;opacity:.92}
.proc .more{color:#fff}
@media (max-width:640px){.proc{min-height:300px}}
/* plain cards */
.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:28px 26px}
.alt .card{border-color:transparent;box-shadow:0 4px 18px rgba(20,24,32,.05)}
.card .ic{width:56px;height:56px;border-radius:50%;background:rgba(200,16,46,.08);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.card .ic svg{width:28px;height:28px;stroke:var(--red);fill:none;stroke-width:1.8}
.card h3{font-size:19px}
.card p{color:var(--gray);font-size:15px;margin:0}
/* steps */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(7,1fr);gap:12px;counter-reset:s}
.steps li{position:relative;text-align:center;padding:0 4px}
.steps li::before{counter-increment:s;content:counter(s);display:flex;align-items:center;justify-content:center;width:64px;height:64px;margin:0 auto 14px;border-radius:50%;background:#fff;border:2px solid var(--red);color:var(--red);font-weight:800;font-size:24px;font-family:Arial,sans-serif;position:relative;z-index:1}
.steps li::after{content:"";position:absolute;top:32px;left:calc(50% + 34px);right:calc(-50% + 28px);height:2px;background:repeating-linear-gradient(90deg,var(--red) 0 6px,transparent 6px 12px)}
.steps li:last-child::after{display:none}
.steps li:last-child::before{background:var(--red);color:#fff}
.steps b{display:block;color:var(--ink);font-size:17px;margin-bottom:4px}
.steps span{display:block;color:var(--gray);font-size:13.5px;line-height:1.55}
@media (max-width:1000px){
 .steps{grid-template-columns:1fr;gap:0}
 .steps li{display:grid;grid-template-columns:56px 1fr;column-gap:16px;text-align:left;padding:0 0 22px}
 .steps li::before{grid-row:span 2;width:52px;height:52px;font-size:20px;margin:0}
 .steps li::after{top:54px;bottom:0;left:26px;right:auto;width:2px;height:auto;background:repeating-linear-gradient(180deg,var(--red) 0 6px,transparent 6px 12px)}
}
/* FAQ */
.faq{max-width:900px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:8px;margin-bottom:12px}
.faq summary{cursor:pointer;list-style:none;padding:18px 54px 18px 22px;font-weight:700;color:var(--ink);font-size:17px;position:relative;min-height:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:26px;color:var(--red);font-weight:400}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 22px 18px;margin:0;color:var(--gray)}
/* CTA band */
.cta{position:relative;background:#222 center/cover;color:#fff;padding:90px 0;text-align:center}
.cta::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(120,6,22,.92),rgba(20,20,24,.82))}
.cta .wrap{position:relative}
.cta h2{color:#fff;font-size:clamp(26px,3vw,38px)}
.cta p{opacity:.9;font-size:17px;max-width:720px;margin:0 auto 28px}
.cta .s-act{justify-content:center}
.credit{position:absolute;right:10px;bottom:6px;font-size:11px;color:rgba(255,255,255,.6);z-index:2;line-height:1.3;max-width:70%;text-align:right}
.credit a{color:rgba(255,255,255,.75);text-decoration:underline}
@media (max-width:899px){.cta{padding:64px 0}.cta .btn{flex:1}}
/* page header */
.phead{position:relative;background:#222 center/cover;color:#fff;min-height:400px;display:flex;align-items:center;padding:50px 0}
.phead::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,10,14,.84) 0%,rgba(8,10,14,.6) 55%,rgba(8,10,14,.35) 100%)}
.phead .wrap{position:relative}
.crumb{font-size:14px;opacity:.85;margin-bottom:14px}
.crumb a{color:#fff}.crumb i{font-style:normal;margin:0 8px;opacity:.6}
.phead h1{color:#fff;font-size:clamp(32px,4.2vw,54px);font-weight:800;margin:0 0 12px}
.phead h1::after{content:"";display:block;width:60px;height:4px;background:var(--red);margin-top:16px}
.phead p{font-size:clamp(15.5px,1.4vw,19px);max-width:720px;opacity:.92;margin:0}
@media (max-width:899px){.phead{min-height:280px;padding:40px 0}}
/* products */
.tabs{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:36px}
.tabs button{min-height:44px;padding:0 20px;border:1px solid var(--line);background:#fff;border-radius:22px;font-size:15px;font-weight:600;color:var(--ink);cursor:pointer;font-family:inherit}
.tabs button:hover{border-color:var(--red);color:var(--red)}
.tabs button.on{background:var(--red);border-color:var(--red);color:#fff}
.tabs button i{font-style:normal;opacity:.6;font-size:12.5px;margin-left:4px}
@media (max-width:899px){.tabs{flex-wrap:nowrap;overflow-x:auto;justify-content:flex-start;margin:0 -20px 26px;padding:0 20px 6px;scrollbar-width:none}.tabs::-webkit-scrollbar{display:none}.tabs button{flex:none}}
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
@media (max-width:1200px){.pgrid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:899px){.pgrid{grid-template-columns:repeat(2,1fr);gap:14px}}
.pgroup{grid-column:1/-1;display:flex;align-items:center;gap:14px;margin:18px 0 -4px}
.pgroup h2{font-size:22px;margin:0;white-space:nowrap}
.pgroup::after{content:"";flex:1;height:1px;background:var(--line)}
.pgroup:first-child{margin-top:0}
.filtered .pgroup{display:none}
.pcard{display:flex;flex-direction:column;background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 4px 18px rgba(20,24,32,.07);transition:.25s}
.pcard:hover{box-shadow:0 10px 30px rgba(20,24,32,.14);transform:translateY(-3px)}
.pcard .pi{display:block;aspect-ratio:4/3;background:#2b2e34;overflow:hidden}
.pcard .pi img{width:100%;height:100%;object-fit:cover}
.pcard .pb{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.pcard h3{font-size:17.5px;margin:0 0 6px}
.pcard h3 a{color:var(--ink)}
.pcard p{font-size:14px;color:var(--gray);line-height:1.6;margin:0 0 10px}
.chip{display:inline-block;align-self:flex-start;font-size:12.5px;background:var(--bg);color:var(--txt);padding:3px 10px;border-radius:12px;margin-bottom:14px}
.chip b{color:var(--red);font-weight:700}
.pact{margin-top:auto;display:flex;gap:8px}
.pact .btn{flex:1;padding:0 10px}
.pcard[hidden]{display:none}
@media (max-width:899px){.pcard .pb{padding:12px 12px 14px}.pcard h3{font-size:15.5px}.pcard p{font-size:13px}.chip{font-size:11.5px;padding:2px 8px}.pact{flex-direction:column}.pact .btn{min-height:44px;font-size:14px}}
.note{color:var(--gray);font-size:14px;text-align:center;margin-top:30px}
/* detail */
.dtop{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:start}
.dimg{border-radius:10px;overflow:hidden;background:#2b2e34;box-shadow:0 8px 30px rgba(20,24,32,.12)}
.dtop h2{font-size:30px}
.dtop .lead{font-size:17px}
.ticks{list-style:none;padding:0;margin:0 0 22px}
.ticks li{position:relative;padding-left:28px;margin-bottom:8px}
.ticks li::before{content:"";position:absolute;left:2px;top:.55em;width:14px;height:8px;border-left:3px solid var(--red);border-bottom:3px solid var(--red);transform:rotate(-45deg)}
.minerals{background:var(--bg);border-left:4px solid var(--red);padding:14px 18px;border-radius:0 6px 6px 0;margin-bottom:24px;font-size:15px}
@media (max-width:899px){.dtop{grid-template-columns:1fr;gap:26px}.dtop h2{font-size:24px}.dtop .s-act .btn{flex:1}}
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:8px;background:#fff}
table.specs{border-collapse:collapse;width:100%;font-size:14.5px;min-width:720px}
.specs th,.specs td{border-bottom:1px solid var(--line);padding:11px 14px;text-align:center;white-space:nowrap}
.specs thead th{background:var(--red);color:#fff;font-weight:700}
.specs tbody th{text-align:left;background:#fafbfc;color:var(--ink);font-weight:600;position:sticky;left:0}
.specs tbody tr:nth-child(even) td{background:#fbfbfc}
.tnote{font-size:13.5px;color:var(--gray);margin-top:10px}
.princ{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center}
.princ figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px}
@media (max-width:899px){.princ{grid-template-columns:1fr;gap:22px}}
/* solutions */
.jump{display:grid;grid-template-columns:repeat(5,1fr);gap:0;background:#fff;box-shadow:0 8px 30px rgba(20,24,32,.1);border-radius:10px;overflow:hidden;margin-top:-46px;position:relative;z-index:2}
.jump a{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:18px 10px;min-height:92px;color:var(--ink);font-weight:700;font-size:18px;border-right:1px solid var(--line);text-align:center;line-height:1.35}
.jump a small{font-size:12.5px;color:var(--gray);font-weight:400;margin-top:3px}
.jump a:last-child{border-right:0}
.jump a:hover{background:var(--red);color:#fff}.jump a:hover small{color:#fff}
@media (max-width:899px){.jump{grid-template-columns:repeat(2,1fr);margin-top:-30px}.jump a{border-bottom:1px solid var(--line);font-size:16px;min-height:72px}.jump a:nth-child(2n){border-right:0}.jump a:last-child{grid-column:1/-1;border-bottom:0}}
.psec{scroll-margin-top:calc(var(--hh) + 10px)}
.prow{display:grid;grid-template-columns:1fr 1.15fr;gap:48px;align-items:start}
.pimg{position:relative;border-radius:10px;overflow:hidden;aspect-ratio:4/3;background:#222 center/cover;box-shadow:0 8px 30px rgba(20,24,32,.12)}
.pimg span{position:absolute;left:18px;top:16px;background:var(--red);color:#fff;font-weight:800;font-size:14px;letter-spacing:2px;padding:4px 12px;border-radius:3px}
.prow h2{font-size:32px;font-weight:800}
.prow h4{font-size:16px;color:var(--red);margin:22px 0 10px;letter-spacing:1px}
.ores{display:flex;flex-wrap:wrap;gap:8px}
.ores span{display:inline-flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--line);border-radius:20px;padding:4px 14px 4px 4px;font-size:14.5px}
.ores span img{width:30px;height:30px;border-radius:50%;object-fit:cover}
.ores span.t{padding-left:14px}
.flow{display:flex;flex-wrap:wrap;align-items:stretch;gap:8px 0;margin:0;padding:0;list-style:none}
.flow li{display:flex;align-items:center}
.flow li .fs{background:#fff;border:1.5px solid var(--ink);border-radius:6px;padding:8px 14px;font-size:14.5px;font-weight:600;color:var(--ink);line-height:1.4}
.flow li:last-child .fs{background:var(--red);border-color:var(--red);color:#fff}
.flow li:not(:last-child)::after{content:"";width:22px;height:2px;background:var(--red);margin:0 2px;position:relative}
.flow li:not(:last-child) .fs+i{display:none}
.eqs{display:flex;flex-wrap:wrap;gap:8px}
.eqs a{display:inline-flex;align-items:center;min-height:40px;border:1px solid var(--red);color:var(--red);border-radius:4px;padding:4px 14px;font-size:14.5px;font-weight:600;background:#fff}
.eqs a:hover{background:var(--red);color:#fff}
.alt .flow li:not(:last-child) .fs{background:#fff}
.prow.rev .pimg{order:2}
@media (max-width:899px){.prow{grid-template-columns:1fr;gap:24px}.prow.rev .pimg{order:0}.prow h2{font-size:26px}
 .flow{flex-direction:column;align-items:flex-start}
 .flow li{flex-direction:column;align-items:flex-start}
 .flow li:not(:last-child)::after{width:2px;height:16px;margin:2px 0 2px 22px}}
.cfg{background:#fff;border-radius:10px;box-shadow:0 6px 24px rgba(20,24,32,.08);overflow:hidden}
.cfg .ch{background:var(--dark);color:#fff;padding:22px 26px;position:relative;overflow:hidden}
.cfg .ch h3{color:#fff;font-size:22px;margin:0 0 4px}
.cfg .ch p{margin:0;opacity:.8;font-size:14.5px}
.cfg .ch::after{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--red)}
.cfg ol{list-style:none;margin:0;padding:8px 26px 12px}
.cfg ol li{display:grid;grid-template-columns:118px 1fr;gap:14px;padding:13px 0;border-bottom:1px dashed var(--line);font-size:15px}
.cfg ol li:last-child{border-bottom:0}
.cfg ol li b{color:var(--ink)}
.cfg ol li a{font-weight:600}
.cfg .cn{padding:0 26px 22px;font-size:13.5px;color:var(--gray)}
@media (max-width:640px){.cfg ol li{grid-template-columns:1fr;gap:2px}.cfg ol{padding:4px 18px 8px}.cfg .ch{padding:20px}.cfg .cn{padding:0 18px 18px}}
/* about */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split .simg{border-radius:10px;overflow:hidden;aspect-ratio:4/3;background:#222 center/cover;box-shadow:0 8px 30px rgba(20,24,32,.12)}
.split h2{font-size:32px;font-weight:800}
.split h2::after{content:"";display:block;width:56px;height:4px;background:var(--red);margin-top:14px}
.split p{font-size:16.5px}
@media (max-width:899px){.split{grid-template-columns:1fr;gap:26px}.split h2{font-size:26px}}
/* contact */
.cgrid{display:grid;grid-template-columns:400px 1fr;gap:40px;align-items:start}
@media (max-width:1100px){.cgrid{grid-template-columns:1fr}}
.clist{display:grid;gap:14px}
.citem{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px 20px}
.citem .ic{width:48px;height:48px;flex:none;border-radius:50%;background:rgba(200,16,46,.08);display:flex;align-items:center;justify-content:center}
.citem .ic svg{width:24px;height:24px;stroke:var(--red);fill:none;stroke-width:1.8}
.citem .ic.wa svg,.citem .ic.wx svg{fill:var(--red);stroke:none}
.citem small{display:block;color:var(--gray);font-size:13.5px}
.citem b{display:block;color:var(--ink);font-size:18px;font-family:Arial,"Microsoft YaHei",sans-serif;word-break:break-word}
.citem a{color:var(--ink)}
.citem .qr{width:96px;height:96px;margin-left:auto;flex:none;border:1px solid var(--line);border-radius:6px;padding:4px;background:#fff}
@media (max-width:420px){.citem .qr{width:80px;height:80px}}
.fbox{background:#fff;border-radius:12px;box-shadow:0 10px 36px rgba(20,24,32,.1);padding:34px 36px;scroll-margin-top:calc(var(--hh) + 16px);border-top:4px solid var(--red)}
.fbox h2{font-size:28px;margin-bottom:6px}
.fbox .sub{color:var(--gray);margin-bottom:24px}
.form{display:grid;grid-template-columns:1fr 1fr;gap:18px 20px}
.form .full{grid-column:1/-1}
.fld label{display:block;font-weight:700;color:var(--ink);font-size:15px;margin-bottom:6px}
.fld label em{color:var(--red);font-style:normal;margin-left:2px}
.fld input,.fld select,.fld textarea{width:100%;min-height:50px;border:1px solid #cfd3da;border-radius:6px;padding:10px 14px;font-size:16px;font-family:inherit;color:var(--ink);background:#fff;transition:border-color .2s,box-shadow .2s}
.fld select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,#666 50%),linear-gradient(135deg,#666 50%,transparent 50%);background-position:calc(100% - 20px) 22px,calc(100% - 14px) 22px;background-size:6px 6px;background-repeat:no-repeat;padding-right:40px}
.fld textarea{min-height:120px;resize:vertical}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:0;border-color:var(--red);box-shadow:0 0 0 3px rgba(200,16,46,.12)}
.fld.bad input,.fld.bad select,.fld.bad textarea{border-color:var(--red);background:#fff7f8}
.fld .err{display:none;color:var(--red);font-size:13.5px;margin-top:5px}
.fld.bad .err{display:block}
.fld .hint{font-size:13px;color:var(--gray);margin-top:4px}
.fld[hidden]{display:none}
.fsub{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.fsub .btn{min-width:220px;min-height:54px;font-size:17px}
.fsub small{color:var(--gray);font-size:13.5px}
.ferr{display:none;grid-column:1/-1;background:#fff3f4;border:1px solid #f3c2c9;color:var(--red-d);padding:12px 16px;border-radius:6px;font-size:14.5px}
.ferr.show{display:block}
.okp{display:none;text-align:center;padding:20px 0 6px}
.okp.show{display:block}
.okp .ok{width:76px;height:76px;margin:0 auto 18px;border-radius:50%;background:#e9f7ee;display:flex;align-items:center;justify-content:center}
.okp .ok svg{width:40px;height:40px;stroke:#1f9d55;fill:none;stroke-width:3}
.okp h3{font-size:26px}
.okp p{color:var(--gray);max-width:520px;margin:0 auto 10px}
.okp .ref{font-family:Consolas,monospace;color:var(--ink);font-weight:700}
.okp .s-act{justify-content:center;margin:22px 0 10px}
.okp .wxpop{display:none;margin:12px auto 0;max-width:260px;border:1px solid var(--line);border-radius:10px;padding:14px}
.okp .wxpop.show{display:block}
.okp .wxpop img{width:200px;margin:0 auto 8px}
.btn-wa{background:#1fa855;border-color:#1fa855;color:#fff}.btn-wa:hover{background:#178a45}
.btn-wx{background:#fff;border-color:#1aad19;color:#128a11}.btn-wx:hover{background:#1aad19;color:#fff}
.btn-wa svg,.btn-wx svg{fill:currentColor}
.cf-turnstile:empty{display:none}
@media (max-width:640px){.fbox{padding:24px 18px}.form{grid-template-columns:1fr}.fsub .btn{width:100%}.fbox h2{font-size:23px}}
/* footer */
.ftr{background:var(--dark);color:rgba(255,255,255,.72);font-size:14.5px;padding:64px 0 0}
.ftr .fg{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px}
.ftr h4{color:#fff;font-size:17px;margin:0 0 16px}
.ftr ul{list-style:none;margin:0;padding:0}
.ftr li{margin-bottom:8px}
.ftr a{color:rgba(255,255,255,.72)}
.ftr a:hover{color:#fff}
.flogo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.flogo img{width:52px;height:52px}
.flogo b{color:#fff;font-size:24px;letter-spacing:1.5px;font-family:Arial,sans-serif;display:block;line-height:1.1}
.flogo small{display:block;letter-spacing:6px;font-size:13px}
.fc li{display:flex;gap:8px}
.fc li span{color:rgba(255,255,255,.5);flex:none}
.fqr{display:flex;gap:14px;margin-top:14px}
.fqr figure{margin:0;text-align:center;font-size:12px}
.fqr img{width:84px;height:84px;background:#fff;border-radius:4px;padding:3px;margin-bottom:4px}
.fbot{border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding:18px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13.5px}
@media (max-width:1100px){.ftr .fg{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.ftr{padding-top:44px}.ftr .fg{grid-template-columns:1fr 1fr;gap:28px 20px}.ftr .fb,.ftr .fc{grid-column:1/-1}}
/* floating sidebar (desktop) */
.side{position:fixed;right:0;top:50%;transform:translateY(-50%);width:var(--side);z-index:70;background:#fff;border-radius:10px 0 0 10px;box-shadow:0 4px 22px rgba(0,0,0,.16);overflow:hidden;text-align:center}
.side a{display:block;padding:16px 6px;border-bottom:1px solid #eee;color:#222;font-weight:700;font-size:15px;line-height:1.35}
.side a:hover{background:#fafafa;color:var(--red)}
.side svg{display:block;margin:0 auto 7px;width:28px;height:28px;stroke:var(--red);fill:none;stroke-width:2}
.side .tel small{display:block;font-weight:400;color:#555;font-size:12.5px;margin-bottom:3px}
.side .tel b{display:block;color:var(--red);font-size:14.5px;font-family:Arial,sans-serif;line-height:1.3}
.side .tel.wa svg{fill:var(--red);stroke:none}
.side .q{background:var(--red);color:#fff;padding:22px 6px;font-size:18px;font-weight:800;letter-spacing:1px;border-bottom:0}
.side .q:hover{background:var(--red-d);color:#fff}
.side .q svg{stroke:#fff;width:32px;height:32px}
.mbar{display:none}
@media (max-width:899px){
 .side{display:none}
 body{padding-bottom:calc(64px + env(safe-area-inset-bottom))}
 .mbar{display:grid;grid-template-columns:1fr 1.5fr;position:fixed;left:0;right:0;bottom:0;z-index:90;height:calc(64px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;box-shadow:0 -4px 16px rgba(0,0,0,.12)}
 .mbar a{display:flex;align-items:center;justify-content:center;gap:8px;font-weight:800;font-size:16px;color:var(--ink)}
 .mbar a svg{width:24px;height:24px;stroke:var(--red);fill:none;stroke-width:2}
 .mbar a.wa svg{fill:#1fa855;stroke:none}
 .mbar a span{display:flex;flex-direction:column;line-height:1.2}
 .mbar a span small{font-size:11.5px;font-weight:400;color:var(--gray)}
 .mbar .q{background:var(--red);color:#fff;font-size:18px;letter-spacing:1px}
 .mbar .q svg{stroke:#fff}
}
/* credits */
.ctable{width:100%;border-collapse:collapse;font-size:14px;background:#fff}
.ctable th,.ctable td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.ctable th{background:var(--bg)}
.ctable img{width:90px;height:64px;object-fit:cover;border-radius:4px}
.ctable td a{word-break:break-all}
/* redirect page */
.redir{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:20px}

.cfg.mini ol li{grid-template-columns:28px 1fr}
[hidden]{display:none!important}

/* ===== 2026-10 additions: QR lightbox, knowledge section, article, comments ===== */
/* footer: 5 columns */
.ftr .fg{grid-template-columns:1.4fr 1fr 1fr 1fr 1.45fr;gap:34px}
@media (max-width:1100px){.ftr .fg{grid-template-columns:1fr 1fr 1fr}.ftr .fb,.ftr .fc{grid-column:1/-1}}
@media (max-width:640px){.ftr .fg{grid-template-columns:1fr 1fr}}
/* QR thumbnails */
.qr-btn{position:relative;display:block;padding:0;margin:0;border:0;background:none;cursor:zoom-in;font:inherit;line-height:0;border-radius:6px}
.qr-btn:focus-visible{outline:3px solid var(--red);outline-offset:2px}
.qr-zoom{position:absolute;right:-6px;bottom:-6px;width:26px;height:26px;border-radius:50%;background:var(--red);display:flex;align-items:center;justify-content:center;box-shadow:0 2px 6px rgba(0,0,0,.25);transition:transform .15s}
.qr-zoom svg{width:15px;height:15px;stroke:#fff;fill:none;stroke-width:2.4;stroke-linecap:round}
.qr-btn:hover .qr-zoom{transform:scale(1.12)}
.qr-btn:hover img{box-shadow:0 0 0 2px var(--red)}
.fqr figure{line-height:1.5}
.fqr .qr-btn{margin:0 auto 6px}
.fqr img{margin:0}
.fqr figcaption small{display:block;opacity:.6;font-size:11px}
.qrw{margin-left:auto;flex:none;text-align:center}
.qrw .qr{margin:0}
.qrw small{display:block;margin-top:6px;font-size:12px;color:var(--gray)}
.okp .wxpop .qr-btn{width:200px;margin:0 auto 8px}
.okp .wxpop .qr-btn img{width:200px}
/* QR modal */
.qrm{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(10,12,16,.72);opacity:0;visibility:hidden;transition:opacity .2s,visibility .2s}
.qrm.show{opacity:1;visibility:visible}
.qrm-box{position:relative;background:#fff;border-radius:14px;width:440px;max-width:100%;max-height:calc(100vh - 40px);overflow:auto;padding:30px 30px 26px;text-align:center;box-shadow:0 24px 60px rgba(0,0,0,.35);transform:translateY(12px) scale(.98);transition:transform .2s}
.qrm.show .qrm-box{transform:none}
.qrm-x{position:absolute;right:10px;top:10px;width:44px;height:44px;border:0;background:none;border-radius:50%;cursor:pointer;color:var(--gray);font-size:30px;line-height:44px}
.qrm-x:hover{background:var(--bg);color:var(--ink)}
.qrm-t{display:flex;align-items:center;justify-content:center;gap:10px;font-size:20px;font-weight:800;color:var(--ink);margin:0 0 16px;padding:0 30px}
.qrm-t span{text-align:left;line-height:1.25}.qrm-t small{display:block;font-size:15px;font-weight:700;color:var(--gray);white-space:nowrap;margin-top:2px}
.qrm-t svg{width:26px;height:26px;fill:#1fa855;flex:none}
.qrm-t.wx svg{fill:#1aad19}
.qrm-img{display:block;width:360px;max-width:100%;height:auto;margin:0 auto;border:1px solid var(--line);border-radius:10px;padding:10px;background:#fff}
.qrm-hint{color:var(--gray);font-size:14.5px;margin:14px 0 18px}
.qrm-act{display:flex;flex-direction:column;gap:10px}
.qrm-act .btn{width:100%}
.qrm-ok{min-height:22px;margin:10px 0 0;font-size:14px;color:#1f9d55;font-weight:600}
body.qrm-open{overflow:hidden}
@media (max-width:640px){.qrm{padding:14px}.qrm-box{padding:26px 18px 20px}.qrm-img{width:80vw}}
/* knowledge cards */
.kgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.kgrid.g4c{grid-template-columns:repeat(4,1fr);gap:22px}
.kcard{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s}
.kcard:hover{box-shadow:0 14px 34px rgba(16,24,40,.12);transform:translateY(-3px)}
.kcard .ki{position:relative;display:block;aspect-ratio:4/3;background:#f2f3f5;overflow:hidden}
.kcard .ki img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.kcard:hover .ki img{transform:scale(1.04)}
.kcat{display:inline-block;background:var(--red);color:#fff;font-size:12.5px;font-weight:700;padding:3px 10px;border-radius:3px;letter-spacing:.5px}
.kcard .kcat{position:absolute;left:14px;top:14px}
.kcard .kb{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.kmeta{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:13px;color:var(--gray);margin-bottom:8px}
.kmeta span{display:inline-flex;align-items:center;gap:5px}
.kmeta svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2}
.kcard h2,.kcard h3{font-size:18.5px;line-height:1.45;margin:0 0 8px}
.kcard h2 a,.kcard h3 a{color:var(--ink)}
.kcard h2 a:hover,.kcard h3 a:hover{color:var(--red)}
.kcard p{color:var(--gray);font-size:14.5px;line-height:1.65;margin:0 0 14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.kcard .more{margin-top:auto}
.g4c .kcard h3{font-size:17px}.g4c .kcard p{-webkit-line-clamp:2;font-size:14px}
@media (max-width:1100px){.kgrid,.kgrid.g4c{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.kgrid,.kgrid.g4c{grid-template-columns:1fr;gap:18px}.kcard .ki{aspect-ratio:16/9}}
.tabs button small{font-size:12px;opacity:.65;margin-left:6px;font-weight:600}
.kempty{text-align:center;border:1px dashed #d4d7dd;border-radius:12px;padding:46px 20px;background:#fafbfc;max-width:640px;margin:0 auto}
.kempty .ic{width:60px;height:60px;border-radius:50%;background:rgba(200,16,46,.08);display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.kempty .ic svg{width:30px;height:30px;stroke:var(--red);fill:none;stroke-width:1.8}
.kempty h3{font-size:20px}.kempty p{color:var(--gray)}
.phead.kh::before{background:linear-gradient(90deg,rgba(8,10,14,.88) 0%,rgba(8,10,14,.7) 55%,rgba(8,10,14,.5) 100%)}
.art-h{min-height:440px}
.art-h h1{font-size:clamp(28px,3.4vw,46px);max-width:900px}
.art-h .kcat{margin-bottom:14px}
.art-h p{max-width:820px}
.art-h .kmeta{color:rgba(255,255,255,.85);font-size:14px;margin:22px 0 0}
.crumb span{opacity:.8}
@media (max-width:899px){.art-h{min-height:0;padding:36px 0 34px}.art-h p{font-size:15px}.crumb span{display:none}.crumb i:last-of-type{display:none}}
/* article layout */
.art-sec{padding-top:56px}
.art-wrap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start}
.art{max-width:800px;font-size:17px;line-height:1.85;min-width:0}
.art>p{margin:0 0 1.15em}
.art h2{font-size:clamp(22px,2.2vw,27px);font-weight:800;margin:1.9em 0 .7em;padding-left:14px;border-left:4px solid var(--red);line-height:1.35;scroll-margin-top:calc(var(--hh) + 16px)}
.art :is(p,li,td,th) a:not(.btn){color:var(--red);text-decoration:underline;text-underline-offset:3px}
.art .btn,.art .kfig a,.art .kcard a,.art .cmts a{text-decoration:none}
.art ul,.art ol.kol{padding-left:0;list-style:none;margin:0 0 1.3em}
.art ul li{position:relative;padding-left:22px;margin-bottom:.6em}
.art ul li::before{content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;background:var(--red);border-radius:50%}
.art ol.kol{counter-reset:k}
.art ol.kol li{counter-increment:k;position:relative;padding-left:40px;margin-bottom:.75em}
.art ol.kol li::before{content:counter(k);position:absolute;left:0;top:.18em;width:27px;height:27px;border-radius:50%;background:var(--red);color:#fff;font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;line-height:1}
.art b{color:var(--ink)}
@media (max-width:1100px){.art-wrap{grid-template-columns:1fr}.art{max-width:none}.art-side{display:none}}
@media (max-width:640px){.art{font-size:16px;line-height:1.8}.art-sec{padding-top:34px}}
.art-side{position:sticky;top:calc(var(--hh) + 20px);display:flex;flex-direction:column;gap:18px}
.art-side>div{border:1px solid var(--line);border-radius:10px;padding:18px 18px 16px;background:#fff}
.art-side h4{font-size:15px;margin:0 0 10px;letter-spacing:.5px}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:t}
.toc li{counter-increment:t}
.toc a{display:block;padding:6px 0 6px 12px;border-left:2px solid var(--line);color:var(--txt);font-size:14px;line-height:1.45}
.toc a:hover,.toc a.on{color:var(--red);border-left-color:var(--red)}
.side-eq ul{list-style:none;margin:0;padding:0}
.side-eq li+li{border-top:1px solid var(--line)}
.side-eq a{display:flex;align-items:center;gap:10px;padding:8px 0;color:var(--ink);font-size:14px;font-weight:600;line-height:1.4}
.side-eq a:hover{color:var(--red)}
.side-eq img{width:58px;height:44px;object-fit:cover;border-radius:4px;background:#f2f3f5;flex:none}
.side-q{display:flex;flex-direction:column;gap:10px;background:var(--bg)!important;text-align:center}
.side-q b{color:var(--ink);font-size:15.5px}
/* flow diagram (HTML/CSS) */
.kflow{margin:1.6em 0 2em;padding:22px 22px 18px;background:linear-gradient(180deg,#fbfbfc,#f4f5f7);border:1px solid var(--line);border-radius:12px}
.kflow figcaption{font-weight:800;color:var(--ink);font-size:16px;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.kflow figcaption::before{content:"";width:4px;height:18px;background:var(--red);border-radius:2px}
.kflow ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(var(--c,4),minmax(0,1fr));gap:30px 34px}
.kf-n{position:relative;min-width:0;background:#fff;border:1.5px solid #d9dce2;border-top:4px solid var(--ink);border-radius:8px;padding:12px 12px 12px;line-height:1.45;margin:0!important}
.kf-n i{position:absolute;right:10px;top:8px;font-style:normal;font-size:12px;font-weight:700;color:#b5b9c2;font-family:Arial,sans-serif}
.kf-n b{display:block;font-size:15.5px;color:var(--ink);padding-right:22px}
.kf-n span{display:block;font-size:13px;color:var(--gray);margin-top:4px}
.kf-n .kf-out{display:block;font-style:normal;font-size:12.5px;color:var(--red);margin-top:6px;font-weight:600}
.kf-n.fin{border-top-color:var(--red);background:#fff6f7;border-color:#f0c4cb}
.kf-n:not(:last-child)::after{content:"";position:absolute;right:-27px;top:50%;width:20px;height:20px;transform:translateY(-50%);background:no-repeat center/20px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23c8102e' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 12h15M13 6l6 6-6 6'/%3E%3C/svg%3E")}
.kflow ol.c3 .kf-n:nth-child(3n)::after,.kflow ol.c4 .kf-n:nth-child(4n)::after{display:none}
.kf-loop{display:flex;align-items:center;gap:10px;margin-top:18px;padding:10px 14px;border:1.5px dashed #9aa1ad;border-radius:8px;font-size:13.5px;color:var(--txt);line-height:1.5;background:#fff}
.kf-loop svg{width:22px;height:22px;flex:none;stroke:var(--red);fill:none;stroke-width:2;stroke-linecap:round}
@media (max-width:899px){.kflow{padding:18px 14px 14px}.kflow ol{grid-template-columns:1fr;gap:26px}.kflow ol[class] .kf-n:not(:last-child)::after{display:block}
 .kf-n:not(:last-child)::after{right:auto;left:50%;top:auto;bottom:-24px;transform:translateX(-50%) rotate(90deg)}}
/* article tables */
.ktable{margin:1.5em 0 1.9em}
.ktable figcaption{font-weight:800;color:var(--ink);font-size:16px;margin-bottom:10px}
.ktw{overflow-x:auto;border:1px solid var(--line);border-radius:8px;-webkit-overflow-scrolling:touch}
.ktable table{border-collapse:collapse;width:100%;font-size:14.5px;line-height:1.55}
.ktable th,.ktable td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.ktable thead th{background:var(--red);color:#fff;font-weight:700;white-space:nowrap}
.ktable tbody th{color:var(--ink);font-weight:700;background:#fafbfc;min-width:110px}
.ktable tbody tr:last-child th,.ktable tbody tr:last-child td{border-bottom:0}
.ktable tbody tr:nth-child(even) td{background:#fcfcfd}
.tnote{font-size:13px;color:var(--gray);margin:8px 0 0;line-height:1.6}
@media (max-width:640px){.ktable table{font-size:13.5px;min-width:520px}.ktable th,.ktable td{padding:9px 10px}}
.ksvg{margin:1.4em 0 1.8em;border:1px solid var(--line);border-radius:10px;padding:14px;background:#fff;text-align:center}
.ksvg img{width:100%;height:auto}
.ksvg figcaption{font-size:13.5px;color:var(--gray);margin-top:8px}
.kfig{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:1.4em 0 1.8em}
.kfig.n1{grid-template-columns:minmax(0,320px)}
.kfig.n2{grid-template-columns:repeat(2,1fr)}
.kfig a{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;color:var(--ink);line-height:1.4;transition:box-shadow .2s}
.kfig a:hover{box-shadow:0 8px 22px rgba(16,24,40,.12)}
.kfig img{aspect-ratio:4/3;object-fit:cover;width:100%;background:#f2f3f5}
.kfig span{font-weight:700;font-size:14.5px;padding:10px 12px 2px}
.kfig small{color:var(--red);font-size:13px;font-weight:600;padding:0 12px 10px}
@media (max-width:640px){.kfig{grid-template-columns:repeat(2,1fr);gap:10px}.kfig.n3 a:last-child{display:none}.kfig span{font-size:13.5px}}
.ktip{display:flex;gap:12px;align-items:flex-start;background:#fff6f7;border:1px solid #f3d0d6;border-radius:8px;padding:14px 16px;margin:0 0 1.3em}
.ktip svg{width:22px;height:22px;flex:none;stroke:var(--red);fill:none;stroke-width:2.6;margin-top:3px}
.ktip p{margin:0;font-size:15.5px}
.kfaq{max-width:none;margin:0 0 1em}
/* CTA box */
.kcta{display:flex;gap:24px;align-items:center;justify-content:space-between;margin:2.4em 0 0;padding:26px 28px;border-radius:12px;background:linear-gradient(120deg,#1d2026,#2a2e36);color:#fff;border-left:5px solid var(--red)}
.kcta h3{color:#fff;font-size:20px;margin:0 0 6px}
.kcta p{margin:0;color:rgba(255,255,255,.78);font-size:15px;line-height:1.65}
.kcta-b{display:flex;flex-direction:column;gap:10px;flex:none}
.kcta .btn{min-width:200px}
@media (max-width:899px){.kcta{flex-direction:column;align-items:stretch;padding:22px 20px}.kcta .btn{min-width:0;width:100%}}
/* comments */
.cmts{margin-top:3em;padding-top:2em;border-top:1px solid var(--line);font-size:15.5px;line-height:1.7}
.cmt-head h2{border:0;padding:0;margin:0 0 4px;font-size:24px}
.cmt-head h2::after{display:none}
.cmt-count{font-size:15px;color:var(--gray);font-weight:600}
.cmt-head p{color:var(--gray);margin:0 0 18px}
.cmt-list{margin-bottom:22px}
.cmt-empty{text-align:center;color:var(--gray);padding:26px 16px;border:1px dashed #d4d7dd;border-radius:10px;background:#fafbfc;margin:0}
.cmt{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.cmt-av{width:42px;height:42px;border-radius:50%;background:var(--red);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;flex:none;font-size:17px}
.cmt-b{flex:1;min-width:0}
.cmt-b header{display:flex;flex-wrap:wrap;gap:4px 12px;align-items:baseline}
.cmt-b header b{color:var(--ink)}
.cmt-b time{font-size:13px;color:var(--gray)}
.cmt-b p{margin:4px 0 0;white-space:pre-wrap;word-break:break-word}
.cmt-rep{margin-top:10px;background:var(--bg);border-left:3px solid var(--red);border-radius:0 6px 6px 0;padding:10px 14px;font-size:14.5px}
.cmt-rep b{color:var(--red);font-size:13.5px}
.cmt-box{border:1px solid var(--line);border-radius:12px;padding:22px 22px 20px;background:#fff}
.cmt-login h3{font-size:18px;margin:0 0 2px}
.cmt-sub{color:var(--gray);font-size:14px;margin:0 0 14px}
.cmt-g{min-height:44px}
.g-slot:empty{display:none}
.btn-google{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:44px;padding:0 18px;border:1px solid #dadce0;border-radius:4px;background:#fff;color:#3c4043;font:600 15px/1 inherit;cursor:pointer;width:100%;max-width:320px}
.btn-google svg{width:20px;height:20px}
.btn-google:disabled{opacity:.6;cursor:not-allowed}
.cmt-or{display:flex;align-items:center;gap:12px;color:var(--gray);font-size:13.5px;margin:16px 0 12px}
.cmt-or::before,.cmt-or::after{content:"";flex:1;height:1px;background:var(--line)}
.cmt-row{display:flex;gap:10px;margin-bottom:10px}
.cmt-row input{flex:1;min-width:0}
.cmts input,.cmts textarea{width:100%;min-height:44px;border:1px solid #d4d7dd;border-radius:6px;padding:10px 12px;font:inherit;font-size:15.5px;color:var(--ink);background:#fff}
.cmts input:focus,.cmts textarea:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px rgba(200,16,46,.12)}
.cmts input:disabled,.cmts button:disabled{cursor:not-allowed}
.cmts textarea{min-height:120px;resize:vertical}
.cmt-form label{display:block;font-weight:600;color:var(--ink);font-size:14.5px;margin-bottom:12px}
.cmt-form label input,.cmt-form label textarea{margin-top:6px;font-weight:400}
.cmt-who{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:14px;color:var(--gray);margin-bottom:12px}
.cmt-who b{color:var(--ink)}
.cmt-out{border:0;background:none;color:var(--red);font:inherit;font-weight:600;cursor:pointer;min-height:44px;padding:0 4px}
.cmt-act{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cmt-msg{margin:0;font-size:14px;min-height:0;color:var(--gray)}
.cmt-msg.ok{color:#1f9d55;font-weight:600}.cmt-msg.bad{color:var(--red)}
.cmt-ts:empty{display:none}.cmt-ts{margin-bottom:12px}
.cmts.offline .cmt-box{opacity:.75}
@media (max-width:640px){.cmt-box{padding:18px 16px}.cmt-row{flex-direction:column}.cmt-row .btn{width:100%}.btn-google{max-width:none}.cmt-act .btn{width:100%}}
/* home teaser */
.kteaser .kgrid{margin-top:4px}
/* admin */
.adm{background:var(--bg)}
.adm-h{background:#fff;border-bottom:1px solid var(--line)}
.adm-h .wrap{display:flex;align-items:center;gap:10px;height:64px;width:min(1000px,calc(100% - 32px))}
.adm-h b{color:var(--red);font-size:18px}.adm-h span{color:var(--gray)}
.adm-m{width:min(1000px,calc(100% - 32px));padding:24px 0 60px}
.adm-tok{display:flex;flex-wrap:wrap;gap:10px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px;margin-bottom:18px}
.adm-tok label{font-weight:700;color:var(--ink)}
.adm-tok input{flex:1;min-width:220px;min-height:44px;border:1px solid #d4d7dd;border-radius:6px;padding:0 12px;font:inherit}
.adm-tabs{justify-content:flex-start;margin:0 0 12px;padding:0;flex-wrap:wrap;overflow:visible;max-width:100%}
.adm-msg{color:var(--gray);font-size:14px}
.adm-c{background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px 18px;margin-bottom:12px}
.adm-c header{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:13.5px;color:var(--gray);margin-bottom:6px}
.adm-c header b{color:var(--ink);font-size:15px}
.adm-c p{white-space:pre-wrap;word-break:break-word;margin:0 0 10px}
.adm-c textarea{width:100%;min-height:70px;border:1px solid #d4d7dd;border-radius:6px;padding:8px 10px;font:inherit;margin-bottom:8px}
.adm-c .acts{display:flex;flex-wrap:wrap;gap:8px}
.adm-c .rep{background:var(--bg);border-left:3px solid var(--red);padding:8px 12px;margin-bottom:10px;font-size:14px}
.ktw-hint{display:none}
@media (max-width:640px){.ktw-hint{display:block;font-size:12.5px;color:var(--gray);margin:-4px 0 8px}}

/* ---------- real photos: gallery, thumbnails, product strip, article figure, lightbox ---------- */
.jump.n6{grid-template-columns:repeat(6,1fr)}
.jump.n6 a{font-size:17px}
@media (max-width:899px){.jump.n6{grid-template-columns:repeat(2,1fr)}.jump.n6 a:last-child{grid-column:auto}.jump.n6 a:nth-last-child(-n+2){border-bottom:0}}
.rp{position:relative;display:block;overflow:hidden;border-radius:8px;background:#e9ebef;aspect-ratio:4/3;color:#fff;isolation:isolate}
.rp img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rp:hover img,.rp:focus-visible img{transform:scale(1.045)}
.rp:focus-visible{outline:3px solid var(--red);outline-offset:2px}
.rp-z{position:absolute;top:8px;right:8px;width:30px;height:30px;padding:7px;border-radius:50%;background:rgba(10,12,16,.55);fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;opacity:.9;transition:background .2s}
.rp:hover .rp-z{background:var(--red)}
.rp-c{position:absolute;left:0;right:0;bottom:0;padding:26px 12px 10px;font-size:14px;font-weight:600;line-height:1.35;background:linear-gradient(180deg,rgba(8,10,14,0) 0%,rgba(8,10,14,.78) 100%);text-shadow:0 1px 2px rgba(0,0,0,.4)}
.rgal{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.rgal.c3{grid-template-columns:repeat(3,1fr)}
@media (max-width:1100px){.rgal{grid-template-columns:repeat(3,1fr)}}
@media (max-width:640px){.rgal,.rgal.c3{grid-template-columns:repeat(2,1fr);gap:10px}.rp-c{font-size:12.5px;padding:22px 8px 7px}.rp-z{width:26px;height:26px;padding:6px;top:6px;right:6px}}
.rmini{margin-top:4px}
.rmini-g{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;max-width:480px}
.rmini-g.n2{grid-template-columns:repeat(2,1fr);max-width:320px}
.rp-m{border-radius:6px}
.rp-m .rp-z{width:24px;height:24px;padding:5px;top:5px;right:5px}
.dimg .rstrip{display:flex;align-items:center;gap:12px;padding:12px 14px;background:#22252b;color:#fff}
.rstrip b{font-size:14px;font-weight:700;white-space:nowrap}
.rstrip b::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--red);margin-right:7px;vertical-align:1px}
.rstrip>div{display:flex;gap:8px}
.rp-s{width:96px;border-radius:5px;flex:none}
.rp-s .rp-z{width:22px;height:22px;padding:5px;top:4px;right:4px}
.rstrip small{font-size:12.5px;color:#b9bec7;margin-left:auto}
@media (max-width:640px){.rstrip small{display:none}}
.kphoto{margin:1.4em 0 1.8em}
.kphoto>div{display:grid;gap:12px}
.kphoto.n2>div{grid-template-columns:repeat(2,1fr)}
.kphoto.n1 .rp{aspect-ratio:auto;max-height:560px}
.kphoto.n1 .rp img{height:auto;max-height:560px}
.kphoto figcaption{font-size:13.5px;color:var(--gray);margin-top:8px;text-align:center}
.art .kphoto a{text-decoration:none}
@media (max-width:640px){.kphoto.n2>div{grid-template-columns:1fr}}
/* lightbox (reuses .qrm overlay, .qrm-box and .qrm-x) */
.qrm.lbx{padding:16px}
.qrm-box.lbx-box{width:min(1180px,100%);padding:12px 12px 10px;background:#15171b;border-radius:12px;overflow:hidden;display:flex;flex-direction:column}
.lbx-box .qrm-x{color:#fff;background:rgba(0,0,0,.45);top:18px;right:18px;z-index:3}
.lbx-box .qrm-x:hover{background:var(--red);color:#fff}
.lbx-stage{position:relative;display:flex;align-items:center;justify-content:center;min-height:200px;background:#0d0e11;border-radius:8px;overflow:hidden;touch-action:pan-y}
.lbx-img{display:block;width:auto;height:auto;max-width:100%;max-height:calc(100vh - 130px);object-fit:contain}
.lbx-arr{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:48px;border:0;border-radius:50%;background:rgba(10,12,16,.55);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}
.lbx-arr svg{width:24px;height:24px;fill:none;stroke:#fff;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.lbx-arr:hover,.lbx-arr:focus-visible{background:var(--red)}
.lbx-arr.prev{left:10px}.lbx-arr.next{right:10px}
.qrm.one .lbx-arr{display:none}
.lbx-foot{display:flex;align-items:center;gap:14px;padding:10px 6px 2px;color:#fff}
.lbx-cap{margin:0;font-size:15px;font-weight:600;flex:1;text-align:left}
.lbx-n{font-size:13px;color:#aab0ba;white-space:nowrap}
@media (max-width:640px){.qrm.lbx{padding:8px}.qrm-box.lbx-box{padding:8px 8px 6px}.lbx-arr{width:40px;height:40px}.lbx-arr.prev{left:6px}.lbx-arr.next{right:6px}.lbx-box .qrm-x{top:12px;right:12px}.lbx-img{max-height:calc(100vh - 120px)}.lbx-cap{font-size:14px}}