:root{--kz7-ink:#191b1d;--kz7-graphite:#23272a;--kz7-copper:#b0693c;--kz7-copper-d:#8d5029;--kz7-paper:#f6f3ee;--kz7-sand:#ebe5da;--kz7-line:#d7d0c4;--kz7-muted:#6d7073;--kz7-white:#fff;--kz7-max:1240px;--kz7-serif:"Source Han Serif SC","Noto Serif SC","Songti SC","STSong","SimSun",serif;--kz7-sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--kz7-sans);font-size:15px;line-height:1.75;color:var(--kz7-ink);background:var(--kz7-white)}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit;border:0;background:none;cursor:pointer}
.kz7-wrap{width:100%;max-width:var(--kz7-max);margin:0 auto;padding:0 20px}
.kz7-top{display:none;background:var(--kz7-graphite);color:#c9c4ba;font-size:12.5px;letter-spacing:.02em}
.kz7-top .kz7-wrap{display:flex;justify-content:space-between;align-items:center;height:38px}
.kz7-top-l{display:flex;gap:22px}
.kz7-top-r{display:flex;align-items:center;gap:18px}
.kz7-top a:hover{color:#fff}
.kz7-head{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--kz7-line);transition:box-shadow .25s}
.kz7-head.is-stuck{box-shadow:0 10px 26px rgba(25,27,29,.09)}
.kz7-head .kz7-wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.kz7-brand{display:flex;align-items:center;gap:10px;min-width:0}
.kz7-brand img{height:42px;width:auto;object-fit:contain}
.kz7-brand-txt{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.kz7-brand-txt b{font-family:var(--kz7-serif);font-size:16px;font-weight:600;letter-spacing:.04em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.kz7-brand-txt span{font-size:10.5px;color:var(--kz7-muted);letter-spacing:.16em;margin-top:4px}
.kz7-burger{width:42px;height:42px;display:flex;flex-direction:column;justify-content:center;gap:5px;padding:0 9px}
.kz7-burger i{display:block;height:2px;background:var(--kz7-ink);transition:transform .2s,opacity .2s}
.kz7-burger.on i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.kz7-burger.on i:nth-child(2){opacity:0}
.kz7-burger.on i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.kz7-nav{position:fixed;left:0;right:0;top:64px;background:#fff;border-bottom:1px solid var(--kz7-line);padding:8px 20px 18px;display:none;max-height:calc(100vh - 64px);overflow:auto}
.kz7-nav.on{display:block}
.kz7-nav a{display:block;padding:13px 0;border-bottom:1px solid #eee7dc;font-size:15.5px}
.kz7-nav a.is-on{color:var(--kz7-copper);font-weight:600}
.kz7-nav-tel{margin-top:14px;color:var(--kz7-copper);font-size:16px;font-weight:600;border:0}
.kz7-hero{position:relative;height:74vh;min-height:470px;max-height:760px;background:#1a1c1e;overflow:hidden}
.kz7-slide{position:absolute;inset:0;opacity:0;transition:opacity .9s ease;background-size:cover;background-position:center}
.kz7-slide.on{opacity:1}
.kz7-slide::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,18,20,.86) 0%,rgba(16,18,20,.62) 46%,rgba(16,18,20,.18) 78%,rgba(16,18,20,.05) 100%)}
.kz7-hero-in{position:relative;z-index:2;height:100%;display:flex;align-items:center}
.kz7-hero-txt{max-width:610px;color:#fff;padding:0}
.kz7-hero-tag{display:inline-block;font-size:12px;letter-spacing:.22em;color:#e2c9b4;border-left:2px solid var(--kz7-copper);padding-left:10px;margin-bottom:18px}
.kz7-hero-txt h1{font-family:var(--kz7-serif);font-size:27px;line-height:1.35;font-weight:600;letter-spacing:.02em}
.kz7-hero-txt p{margin-top:16px;font-size:14.5px;line-height:1.9;color:#d8d3c9;max-width:520px}
.kz7-hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.kz7-btn{display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 26px;font-size:14px;letter-spacing:.06em;background:var(--kz7-copper);color:#fff;border:1px solid var(--kz7-copper);transition:background .2s,border-color .2s}
.kz7-btn:hover{background:var(--kz7-copper-d);border-color:var(--kz7-copper-d)}
.kz7-btn.ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.kz7-btn.ghost:hover{background:rgba(255,255,255,.14);border-color:#fff}
.kz7-dots{position:absolute;left:20px;bottom:26px;z-index:3;display:flex;gap:9px}
.kz7-dots button{width:26px;height:4px;background:rgba(255,255,255,.32);padding:0}
.kz7-dots button.on{background:var(--kz7-copper)}
.kz7-sec{padding:56px 0}
.kz7-sec.alt{background:var(--kz7-paper)}
.kz7-sec.dark{background:var(--kz7-graphite);color:#e8e3da}
.kz7-headline{max-width:760px;margin-bottom:32px}
.kz7-eyebrow{display:block;font-size:11.5px;letter-spacing:.26em;color:var(--kz7-copper);margin-bottom:10px}
.kz7-headline h2{font-family:var(--kz7-serif);font-size:26px;line-height:1.4;font-weight:600;letter-spacing:.02em}
.kz7-headline p{margin-top:12px;color:var(--kz7-muted);font-size:14px;line-height:1.85}
.kz7-sec.dark .kz7-headline p{color:#b6b0a5}
.kz7-headline.center{margin-left:auto;margin-right:auto;text-align:center}
.kz7-grid2{display:grid;grid-template-columns:1fr;gap:22px}
.kz7-grid3{display:grid;grid-template-columns:1fr;gap:22px}
.kz7-grid4{display:grid;grid-template-columns:1fr;gap:22px}
.kz7-card{background:#fff;border:1px solid var(--kz7-line);display:flex;flex-direction:column;transition:box-shadow .25s,transform .25s}
.kz7-card:hover{box-shadow:0 16px 36px rgba(25,27,29,.1);transform:translateY(-2px)}
.kz7-card-pic{position:relative;overflow:hidden;background:var(--kz7-sand)}
.kz7-card-pic img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .5s}
.kz7-card:hover .kz7-card-pic img{transform:scale(1.04)}
.kz7-card-body{padding:16px 16px 18px;flex:1;display:flex;flex-direction:column}
.kz7-card-body h3{font-family:var(--kz7-serif);font-size:18px;font-weight:600}
.kz7-card-body span{display:block;font-size:12px;color:var(--kz7-muted);letter-spacing:.1em;margin-top:5px}
.kz7-card-body p{margin-top:10px;font-size:13.5px;color:#55585b;line-height:1.8;flex:1}
.kz7-more{display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-size:12.5px;color:var(--kz7-copper);letter-spacing:.08em}
.kz7-more::after{content:"";width:18px;height:1px;background:var(--kz7-copper);transition:width .25s}
.kz7-card:hover .kz7-more::after{width:30px}
.kz7-split{display:grid;grid-template-columns:1fr;gap:26px;align-items:center}
.kz7-split-pic img{width:100%;aspect-ratio:3/2;object-fit:cover}
.kz7-split-txt p{font-size:14.5px;color:#4c4f52;line-height:1.95;margin-top:12px}
.kz7-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--kz7-line);border:1px solid var(--kz7-line);margin-top:30px}
.kz7-stats li{background:#fff;padding:18px 14px}
.kz7-stats b{display:block;font-family:var(--kz7-serif);font-size:26px;overflow-wrap:anywhere;line-height:1.1;color:var(--kz7-graphite)}
.kz7-stats b i{font-style:normal;font-size:15px;color:var(--kz7-copper);margin-left:3px}
.kz7-stats span{display:block;font-size:12.5px;color:var(--kz7-muted);margin-top:6px;letter-spacing:.06em}
.kz7-scene{position:relative;display:block;overflow:hidden;border:1px solid var(--kz7-line)}
.kz7-scene img{width:100%;aspect-ratio:5/4;object-fit:cover;transition:transform .6s}
.kz7-scene:hover img{transform:scale(1.05)}
.kz7-scene b{position:absolute;left:0;right:0;bottom:0;padding:44px 16px 16px;color:#fff;font-size:15px;font-weight:500;letter-spacing:.06em;background:linear-gradient(0deg,rgba(11,13,15,.92) 0%,rgba(11,13,15,.55) 42%,rgba(11,13,15,0) 100%)}
.kz7-scene em{display:block;font-style:normal;font-size:11px;color:#d9c4b1;letter-spacing:.16em;margin-top:3px}
.kz7-steps{display:grid;grid-template-columns:1fr;gap:20px;margin-top:8px}
.kz7-step{border-top:1px solid rgba(255,255,255,.18);padding-top:16px}
.kz7-step b{font-family:var(--kz7-serif);font-size:13px;color:var(--kz7-copper);letter-spacing:.1em}
.kz7-step h3{font-size:15.5px;font-weight:600;margin-top:8px;color:#fff}
.kz7-step p{font-size:13px;color:#b8b2a7;line-height:1.8;margin-top:7px}
.kz7-feat{list-style:none;padding-left:0;display:grid;grid-template-columns:1fr;gap:1px;background:var(--kz7-line);border:1px solid var(--kz7-line);margin-top:8px}
.kz7-feat li{list-style:none;background:#fff;padding:20px 18px}
.kz7-feat b{display:block;font-family:var(--kz7-serif);font-size:16px;font-weight:600}
.kz7-feat p{font-size:13.5px;color:#55585b;margin-top:8px;line-height:1.8}
.kz7-news{display:grid;grid-template-columns:1fr;gap:22px}
.kz7-news-card{display:flex;flex-direction:column;border:1px solid var(--kz7-line);background:#fff;transition:box-shadow .25s}
.kz7-news-card:hover{box-shadow:0 14px 32px rgba(25,27,29,.09)}
.kz7-news-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.kz7-news-txt{padding:14px 16px 18px;display:flex;flex-direction:column;flex:1}
.kz7-date{font-size:11.5px;color:var(--kz7-muted);letter-spacing:.12em}
.kz7-news-txt h3{font-family:var(--kz7-serif);font-size:16.5px;line-height:1.55;font-weight:600;margin-top:8px}
.kz7-news-txt p{font-size:13px;color:#5c5f62;line-height:1.75;margin-top:8px;flex:1}
.kz7-cta{background:var(--kz7-graphite);color:#fff;padding:44px 0}
.kz7-cta .kz7-wrap{display:grid;grid-template-columns:1fr;gap:22px;align-items:center}
.kz7-cta h2{font-family:var(--kz7-serif);font-size:23px;line-height:1.5;font-weight:600}
.kz7-cta p{font-size:13px;color:#b8b2a7;margin-top:10px}
.kz7-cta-btns{display:flex;flex-wrap:wrap;gap:12px}
.kz7-foot{background:#15181a;color:#9d9a93;padding:44px 0 0;font-size:13px}
.kz7-foot-cols{display:grid;grid-template-columns:1fr;gap:28px}
.kz7-foot h4{font-size:13px;color:#e9e5dd;letter-spacing:.14em;margin-bottom:14px;font-weight:500}
.kz7-foot li{margin-bottom:9px}
.kz7-foot a:hover{color:#fff}
.kz7-foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.kz7-foot-brand img{height:38px;width:auto}
.kz7-foot-brand b{font-family:var(--kz7-serif);color:#fff;font-size:16px;font-weight:600}
.kz7-foot p{line-height:1.9;color:#8d8a83}
.kz7-foot-bottom{margin-top:34px;border-top:1px solid #26292b;padding:16px 0 20px;display:flex;flex-direction:column;gap:8px;font-size:12px;color:#75726c}
.kz7-phero{background:var(--kz7-graphite);color:#fff;padding:38px 0 34px;position:relative;overflow:hidden}
.kz7-phero-bg{position:absolute;inset:0;object-fit:cover;width:100%;height:100%;opacity:.3}
.kz7-phero::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(18,20,22,.95) 0%,rgba(18,20,22,.8) 55%,rgba(18,20,22,.42) 100%)}
.kz7-phero .kz7-wrap{position:relative;z-index:2}
.kz7-crumb{font-size:12px;color:#a8a29a;letter-spacing:.06em}
.kz7-crumb a:hover{color:#fff}
.kz7-phero h1{font-family:var(--kz7-serif);font-size:26px;line-height:1.4;font-weight:600;margin-top:12px}
.kz7-phero p{font-size:13.5px;color:#bdb7ad;margin-top:10px;max-width:760px;line-height:1.85}
.kz7-body{padding:44px 0 56px}
.kz7-prose{font-size:14.8px;line-height:1.95;color:#3f4245}
.kz7-prose p{margin-bottom:18px}
.kz7-prose h2{font-family:var(--kz7-serif);font-size:20px;font-weight:600;margin:32px 0 14px;padding-left:12px;border-left:3px solid var(--kz7-copper)}
.kz7-prose ul{margin:0 0 20px}
.kz7-prose ul li{position:relative;padding-left:16px;margin-bottom:9px}
.kz7-prose ul li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:1px;background:var(--kz7-copper)}
.kz7-table{width:100%;border-collapse:collapse;table-layout:fixed;font-size:13.5px;margin:0 0 24px}
.kz7-table th,.kz7-table td{border:1px solid var(--kz7-line);padding:11px 12px;text-align:left;vertical-align:top;word-break:break-word}
.kz7-table th{width:32%;background:var(--kz7-paper);font-weight:600;color:var(--kz7-graphite)}
.kz7-table td{width:68%;color:#4b4e51}
.kz7-faq{border-top:1px solid var(--kz7-line);margin-top:8px}
.kz7-faq-item{border-bottom:1px solid var(--kz7-line)}
.kz7-faq-q{width:100%;display:flex;justify-content:space-between;align-items:flex-start;gap:16px;text-align:left;padding:15px 0;font-size:14.5px;font-weight:600;color:var(--kz7-graphite)}
.kz7-faq-q i{flex:none;width:14px;height:14px;position:relative;margin-top:5px}
.kz7-faq-q i::before,.kz7-faq-q i::after{content:"";position:absolute;background:var(--kz7-copper)}
.kz7-faq-q i::before{left:0;top:6px;width:14px;height:2px}
.kz7-faq-q i::after{left:6px;top:0;width:2px;height:14px;transition:transform .2s}
.kz7-faq-item.on .kz7-faq-q i::after{transform:scaleY(0)}
.kz7-faq-a{display:none;padding:0 0 16px;font-size:13.8px;line-height:1.9;color:#5a5d60}
.kz7-faq-item.on .kz7-faq-a{display:block}
.kz7-aside{border:1px solid var(--kz7-line);background:var(--kz7-paper);padding:20px 18px;margin-top:26px}
.kz7-aside h3{font-family:var(--kz7-serif);font-size:16px;margin-bottom:12px}
.kz7-aside li{padding:10px 0;border-bottom:1px dashed #d9d1c3;font-size:13.5px;display:flex;justify-content:space-between;gap:10px}
.kz7-aside li:last-child{border-bottom:0}
.kz7-aside li span{color:var(--kz7-muted)}
.kz7-tag{display:inline-block;font-size:11px;letter-spacing:.12em;color:var(--kz7-copper);border:1px solid #e0cbb8;padding:3px 9px;margin-right:6px;margin-bottom:6px}
.kz7-list{display:grid;grid-template-columns:1fr;gap:18px}
.kz7-list-item{display:grid;grid-template-columns:96px 1fr;gap:14px;padding:16px 0;border-bottom:1px solid var(--kz7-line)}
.kz7-list-item time{font-family:var(--kz7-serif);font-size:20px;color:var(--kz7-copper);line-height:1.2}
.kz7-list-item time i{display:block;font-style:normal;font-size:11px;color:var(--kz7-muted);letter-spacing:.08em;margin-top:4px}
.kz7-list-item h3{font-size:15px;line-height:1.6;font-weight:600}
.kz7-list-item p{font-size:12.8px;color:#65686b;margin-top:6px;line-height:1.7}
.kz7-404{min-height:64vh;display:flex;align-items:center;text-align:center;padding:60px 0}
.kz7-404 b{font-family:var(--kz7-serif);font-size:64px;line-height:1;color:var(--kz7-graphite);letter-spacing:.06em}
.kz7-404 h1{font-family:var(--kz7-serif);font-size:24px;margin-top:18px;font-weight:600}
.kz7-404 p{color:var(--kz7-muted);margin-top:12px;font-size:14px}
.kz7-404-links{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:26px}
.kz7-404-links a{font-size:13px;border:1px solid var(--kz7-line);padding:9px 16px;color:#44474a}
.kz7-404-links a:hover{border-color:var(--kz7-copper);color:var(--kz7-copper)}
.kz7-top-btn{position:fixed;right:16px;bottom:20px;z-index:50;width:44px;height:44px;background:var(--kz7-graphite);color:#fff;display:none;align-items:center;justify-content:center;font-size:12px;letter-spacing:.08em}
.kz7-top-btn.on{display:flex}
.kz7-strip{display:grid;grid-template-columns:1fr;gap:0;border:1px solid var(--kz7-line);margin-top:26px;background:#fff}
.kz7-strip div{padding:16px 18px;border-bottom:1px solid var(--kz7-line)}
.kz7-strip div:last-child{border-bottom:0}
.kz7-strip b{display:block;font-size:14.5px;font-weight:600}
.kz7-strip span{display:block;font-size:12.5px;color:var(--kz7-muted);margin-top:5px}
.kz7-artgrid{display:grid;grid-template-columns:minmax(0,1fr);gap:34px}
.kz7-aside{background:#faf8f3;border:1px solid var(--kz7-line);padding:18px 20px}
.kz7-aside h3{font-family:var(--kz7-serif);font-size:16px;font-weight:600;padding-bottom:12px;border-bottom:2px solid var(--kz7-copper)}
.kz7-aside ul li{display:flex;justify-content:space-between;align-items:baseline;gap:10px;padding:10px 0;border-bottom:1px dashed #e2dbcf;font-size:13.5px}
.kz7-aside ul li:last-child{border-bottom:0}
.kz7-aside ul li a{color:var(--kz7-ink)}
.kz7-aside ul li a:hover{color:var(--kz7-copper)}
.kz7-aside ul li span{color:var(--kz7-muted);font-size:11.5px;white-space:nowrap}
.kz7-article{max-width:780px;margin:0 auto}
.kz7-article p{font-size:15px;line-height:1.95;color:#3f4245;margin-bottom:17px}
@media(min-width:1024px){.kz7-artgrid{grid-template-columns:minmax(0,1fr) 302px;gap:56px}.kz7-aside{position:sticky;top:100px;align-self:start}}
@media(max-width:767px){.kz7-slide::after{background:linear-gradient(180deg,rgba(16,18,20,.76) 0%,rgba(16,18,20,.88) 100%)}}
@media(min-width:600px){.kz7-grid2,.kz7-grid3,.kz7-grid4,.kz7-news,.kz7-list{grid-template-columns:repeat(2,minmax(0,1fr))}.kz7-stats{grid-template-columns:repeat(4,minmax(0,1fr))}.kz7-steps{grid-template-columns:repeat(2,minmax(0,1fr))}.kz7-feat{grid-template-columns:repeat(2,minmax(0,1fr))}.kz7-foot-cols{grid-template-columns:repeat(2,minmax(0,1fr))}.kz7-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.kz7-strip div:nth-child(2){border-bottom:1px solid var(--kz7-line)}.kz7-cta .kz7-wrap{grid-template-columns:minmax(0,1fr) auto}}
@media(min-width:768px){.kz7-top{display:block}.kz7-head .kz7-wrap{height:78px}.kz7-brand img{height:50px}.kz7-brand-txt b{font-size:18px}.kz7-burger{display:none}.kz7-nav{position:static;display:flex;align-items:center;gap:26px;padding:0;border:0;max-height:none;overflow:visible;background:none}.kz7-nav a{padding:0;border:0;font-size:15px;position:relative}.kz7-nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-8px;height:2px;background:var(--kz7-copper);transition:right .25s}.kz7-nav a:hover::after,.kz7-nav a.is-on::after{right:0}.kz7-nav-tel{display:none}.kz7-sec{padding:84px 0}.kz7-hero{height:78vh;min-height:560px}.kz7-hero-txt h1{font-size:42px}.kz7-hero-txt p{font-size:15.5px}.kz7-headline{margin-bottom:44px}.kz7-headline h2{font-size:32px}.kz7-dots{left:calc((100vw - var(--kz7-max))/2 + 20px);bottom:34px}.kz7-split{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:44px}.kz7-feat{grid-template-columns:repeat(2,minmax(0,1fr))}.kz7-phero{padding:54px 0 46px}.kz7-phero h1{font-size:34px}.kz7-body{padding:64px 0 80px}.kz7-grid4{grid-template-columns:repeat(2,minmax(0,1fr))}.kz7-steps{grid-template-columns:repeat(3,minmax(0,1fr))}.kz7-foot-cols{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}.kz7-foot-bottom{flex-direction:row;justify-content:space-between}.kz7-strip{grid-template-columns:repeat(4,minmax(0,1fr))}.kz7-cta{padding:58px 0}.kz7-cta h2{font-size:28px}}
@media(min-width:1024px){.kz7-grid3,.kz7-news{grid-template-columns:repeat(3,minmax(0,1fr))}.kz7-grid4{grid-template-columns:repeat(4,minmax(0,1fr))}.kz7-hero-txt h1{font-size:46px;line-height:1.3;max-width:600px}.kz7-split{gap:60px}}
@media(min-width:1200px){.kz7-wrap{padding:0 24px}}