:root{--ink:#0c0f12;--ink2:#141a21;--ink3:#1c242d;--brass:#c8a163;--brassd:#a37c40;--cream:#f6f2e9;--paper:#fffdf9;--txt:#20242a;--muted:#7f858c;--line:rgba(160,124,64,.26);--line2:rgba(255,255,255,.12)}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--cream);color:var(--txt);font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-family:"Songti SC","STSong","Source Han Serif SC","Noto Serif SC","SimSun",serif;font-weight:600;letter-spacing:.5px;line-height:1.35}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
.dk7-wrap{width:100%;max-width:1220px;margin:0 auto;padding:0 22px}
.dk7-top{background:var(--ink);color:#b9b2a4;font-size:13px;letter-spacing:.4px}
.dk7-topin{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:9px 0;flex-wrap:wrap}
.dk7-topin span{color:#8f8877}
.dk7-topin a{color:var(--brass);font-weight:600;letter-spacing:1px}
.dk7-hd{position:sticky;top:0;z-index:50;background:rgba(12,15,18,.96);backdrop-filter:blur(8px);border-bottom:1px solid rgba(200,161,99,.22)}
.dk7-hdin{display:flex;align-items:center;gap:26px;height:78px}
.dk7-logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.dk7-logo img{width:44px;height:44px}
.dk7-logoname{color:#f1ece1;font-family:"Songti SC","STSong","SimSun",serif;font-size:18px;letter-spacing:1.6px;line-height:1.25}
.dk7-logoname b{display:block;font-weight:600}
.dk7-logoname i{display:block;font-style:normal;font-size:11px;letter-spacing:2.4px;color:#9a927f;margin-top:3px}
.dk7-nav{display:flex;gap:2px;margin-left:auto}
.dk7-nav a{position:relative;padding:10px 13px;color:#cfc9bd;font-size:15px;letter-spacing:.8px;transition:color .2s}
.dk7-nav a:hover{color:var(--brass)}
.dk7-nav a.on{color:var(--brass)}
.dk7-nav a.on::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:1px;background:var(--brass)}
.dk7-call{display:flex;align-items:center;gap:10px;border:1px solid rgba(200,161,99,.55);padding:9px 16px;color:var(--brass);flex:0 0 auto}
.dk7-call em{font-style:normal;font-size:11px;color:#9a927f;letter-spacing:1px;display:block;line-height:1.2}
.dk7-call b{font-family:"Songti SC","STSong",serif;font-size:19px;letter-spacing:.6px;font-weight:600;line-height:1.2}
.dk7-burger{display:none;width:44px;height:44px;border:1px solid rgba(200,161,99,.45);background:none;color:var(--brass);font-size:20px;line-height:1;cursor:pointer;align-items:center;justify-content:center}
.dk7-drawer{display:none}
.dk7-mask{display:none}
.dk7-hero{position:relative;min-height:600px;display:flex;align-items:center;background:var(--ink);overflow:hidden}
.dk7-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:62% 50%;filter:saturate(.86) contrast(1.04)}
.dk7-hero::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(7,9,12,.97) 0%,rgba(8,11,15,.94) 40%,rgba(10,13,17,.66) 70%,rgba(10,13,17,.82) 100%)}
.dk7-heroin{position:relative;z-index:2;padding-top:92px;padding-bottom:84px;max-width:760px}
.dk7-kicker{display:inline-flex;align-items:center;gap:10px;color:var(--brass);font-size:13px;letter-spacing:3px;margin-bottom:22px}
.dk7-kicker::before{content:"";width:34px;height:1px;background:var(--brass)}
.dk7-hero h1{color:#f7f3ea;font-size:clamp(27px,3.6vw,46px);line-height:1.3;margin-bottom:20px;letter-spacing:2px;text-shadow:0 2px 18px rgba(0,0,0,.55)}
.dk7-hero h1 span{color:var(--brass)}
.dk7-hero p{color:#ded7c7;font-size:clamp(14px,1.15vw,16px);line-height:1.95;max-width:600px;margin-bottom:30px;text-shadow:0 1px 10px rgba(0,0,0,.55)}
.dk7-btns{display:flex;gap:14px;flex-wrap:wrap}
.dk7-btn{display:inline-flex;align-items:center;gap:9px;padding:14px 30px;font-size:15px;letter-spacing:1.5px;border:1px solid var(--brass);color:var(--ink);background:var(--brass);transition:all .22s}
.dk7-btn:hover{background:var(--brassd);border-color:var(--brassd)}
.dk7-btn.ghost{background:rgba(8,10,13,.62);color:#e6cf9f}
.dk7-btn.ghost:hover{background:rgba(200,161,99,.18);color:#e9d3ab}.dk7-btn.line{background:none;border-color:var(--brass);color:#8a6a32}.dk7-btn.line:hover{background:rgba(200,161,99,.14);color:#6f5326}
.dk7-stats{position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid rgba(200,161,99,.28);background:rgba(10,13,17,.55)}
.dk7-stats div{padding:20px 22px;border-right:1px solid rgba(255,255,255,.08)}
.dk7-stats div:last-child{border-right:0}
.dk7-stats b{display:block;font-family:"Songti SC","STSong",serif;font-size:27px;color:var(--brass);letter-spacing:1px;line-height:1.3}
.dk7-stats span{display:block;color:#9d9789;font-size:13px;letter-spacing:1.2px;margin-top:4px}
.dk7-sec{padding:82px 0}
.dk7-sec.tight{padding:60px 0}
.dk7-sec.dark{background:var(--ink);color:#e6e0d4}
.dk7-sec.dark2{background:var(--ink2);color:#e6e0d4}
.dk7-sec.paper{background:var(--paper)}
.dk7-shead{margin-bottom:44px;max-width:820px}
.dk7-shead .dk7-kicker{margin-bottom:14px}
.dk7-shead h2{font-size:clamp(24px,2.5vw,34px);color:#1a1e23}
.dk7-sec.dark .dk7-shead h2,.dk7-sec.dark2 .dk7-shead h2{color:#f4efe4}
.dk7-shead p{color:var(--muted);margin-top:16px;font-size:15.5px;max-width:760px}
.dk7-sec.dark .dk7-shead p,.dk7-sec.dark2 .dk7-shead p{color:#a49d8e}
.dk7-svc{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.dk7-svc article{background:var(--paper);border:1px solid var(--line);display:flex;flex-direction:column;transition:transform .25s,border-color .25s}
.dk7-svc article:hover{transform:translateY(-4px);border-color:rgba(160,124,64,.55)}
.dk7-svcpic{position:relative;overflow:hidden;aspect-ratio:4/3}
.dk7-svcpic img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.dk7-svc article:hover .dk7-svcpic img{transform:scale(1.05)}
.dk7-svcpic span{position:absolute;left:0;bottom:0;background:rgba(12,15,18,.82);color:var(--brass);font-family:"Songti SC","STSong",serif;font-size:15px;letter-spacing:2px;padding:5px 12px}
.dk7-svcb{padding:22px 20px 24px;display:flex;flex-direction:column;flex:1}
.dk7-svcb h3{font-size:20px;margin-bottom:10px}
.dk7-svcb p{font-size:14px;color:#666c74;line-height:1.85;flex:1}
.dk7-more{display:inline-flex;align-items:center;gap:7px;color:var(--brassd);font-size:13px;letter-spacing:1.5px;padding-top:14px;border-top:1px solid var(--line);margin-top:16px}
.dk7-more:hover{color:var(--ink)}
.dk7-mosaic{display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(2,220px);gap:14px}
.dk7-mosaic a{position:relative;overflow:hidden;display:block}
.dk7-mosaic a:first-child{grid-column:span 2;grid-row:span 2}
.dk7-mosaic img{width:100%;height:100%;object-fit:cover;transition:transform .6s,filter .4s}
.dk7-mosaic a:hover img{transform:scale(1.04);filter:brightness(1.06)}
.dk7-mosaic a span{position:absolute;left:14px;bottom:12px;z-index:2;color:#fff;font-size:13px;letter-spacing:2px;text-shadow:0 1px 6px rgba(0,0,0,.85)}
.dk7-mosaic a::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(6,8,11,.72))}
.dk7-warr{display:grid;grid-template-columns:280px 1fr;gap:44px;align-items:center}
.dk7-warrnum{border-right:1px solid rgba(200,161,99,.3);padding-right:30px}
.dk7-warrnum b{display:block;font-family:"Songti SC","STSong",serif;font-size:56px;color:var(--brass);line-height:1.1}
.dk7-warrnum span{display:block;font-size:14px;letter-spacing:2px;color:#a49d8e;margin-top:8px}
.dk7-warrlist{display:grid;grid-template-columns:repeat(3,1fr);gap:18px 26px}
.dk7-warrlist li{padding-left:16px;border-left:1px solid rgba(200,161,99,.45)}
.dk7-warrlist b{display:block;font-size:16px;color:#eee7d8;margin-bottom:4px;letter-spacing:.6px}
.dk7-warrlist span{font-size:13.5px;color:#9c9587;line-height:1.8}
.dk7-tbl{width:100%;border-collapse:collapse;table-layout:fixed;background:var(--paper);border:1px solid var(--line);font-size:14.5px}
.dk7-tbl th,.dk7-tbl td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.75;word-break:break-word}
.dk7-tbl th{background:#efe8da;font-family:"Songti SC","STSong",serif;font-weight:600;font-size:15px;letter-spacing:.6px;color:#2d3138}
.dk7-tbl tr:last-child td{border-bottom:0}
.dk7-team{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.dk7-team article{background:var(--paper);border:1px solid var(--line)}
.dk7-team img{width:100%;aspect-ratio:1/1.12;object-fit:cover}
.dk7-teamb{padding:20px 22px 24px}
.dk7-teamb h3{font-size:20px;margin-bottom:6px}
.dk7-teamb i{display:block;font-style:normal;color:var(--brassd);font-size:12.5px;letter-spacing:1.6px;margin-bottom:12px}
.dk7-teamb p{font-size:14px;color:#666c74;margin:0}
.dk7-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;list-style:none;padding-left:0;margin:0}
.dk7-flow li{border-top:2px solid rgba(200,161,99,.55);padding-top:18px}
.dk7-flow b{display:block;font-family:"Songti SC","STSong",serif;color:var(--brass);font-size:15px;letter-spacing:2px;margin-bottom:8px}
.dk7-flow h4{font-size:17px;margin-bottom:8px;color:#f0ebdf;font-weight:600}
.dk7-flow p{font-size:13.5px;color:#9c9587;margin:0;line-height:1.85}
.dk7-price{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px}
.dk7-price dl{display:flex;justify-content:space-between;gap:16px;padding:15px 0;border-bottom:1px dashed rgba(160,124,64,.35);margin:0}
.dk7-price dt{color:#2c3137;font-size:15px}
.dk7-price dt small{display:block;color:var(--muted);font-size:12.5px;letter-spacing:.4px}
.dk7-price dd{margin:0;color:var(--brassd);font-family:"Songti SC","STSong",serif;font-size:17px;white-space:nowrap}
.dk7-quote{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.dk7-quote article{background:var(--paper);border:1px solid var(--line);padding:26px 24px 22px;position:relative}
.dk7-quote article::before{content:"”";position:absolute;right:18px;top:6px;font-family:"Songti SC","STSong",serif;font-size:52px;color:rgba(200,161,99,.4);line-height:1}
.dk7-quote p{font-size:14.5px;color:#4b5158;line-height:1.95;margin-bottom:16px}
.dk7-quote span{font-size:12.5px;color:var(--muted);letter-spacing:.8px}
.dk7-quote b{display:block;color:#22272d;font-size:14px;margin-bottom:2px;font-weight:600}
.dk7-faq{max-width:900px;margin:0 auto}
.dk7-faq li{border-bottom:1px solid var(--line)}
.dk7-faq button{width:100%;background:none;border:0;display:flex;align-items:flex-start;gap:14px;padding:20px 0;text-align:left;cursor:pointer;font-family:inherit;font-size:16.5px;color:#1e2329;line-height:1.7}
.dk7-faq button i{font-style:normal;color:var(--brassd);font-family:"Songti SC","STSong",serif;flex:0 0 auto}
.dk7-faq button em{font-style:normal;margin-left:auto;color:var(--brassd);font-size:20px;line-height:1;transition:transform .25s}
.dk7-faq .dk7-ans{display:none;padding:0 0 22px 34px;color:#5c626a;font-size:14.5px;line-height:1.9}
.dk7-faq .dk7-ans p:last-child{margin-bottom:0}
.dk7-faq li.open .dk7-ans{display:block}
.dk7-faq li.open button em{transform:rotate(45deg)}
.dk7-news{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.dk7-news article{background:var(--paper);border:1px solid var(--line);display:flex;flex-direction:column}
.dk7-news img{width:100%;aspect-ratio:16/10;object-fit:cover}
.dk7-newsb{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1}
.dk7-date{color:var(--brassd);font-size:12px;letter-spacing:1.4px;margin-bottom:8px}
.dk7-newsb h3{font-size:16.5px;line-height:1.6;margin-bottom:8px}
.dk7-newsb p{font-size:13px;color:#6b7178;line-height:1.8;flex:1;margin:0}
.dk7-ft{background:#080a0d;color:#8f8877;padding:56px 0 0;font-size:14px}
.dk7-ftin{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.08)}
.dk7-ft h4{color:#ded7c8;font-size:16px;letter-spacing:1.4px;margin-bottom:16px}
.dk7-ft p{line-height:1.95;margin:0 0 8px;color:#8a8375}
.dk7-ft li{margin-bottom:9px}
.dk7-ft a:hover{color:var(--brass)}
.dk7-ft .dk7-callm{font-family:"Songti SC","STSong",serif;font-size:26px;color:var(--brass);letter-spacing:1px;display:block;margin-bottom:6px}
.dk7-copy{padding:20px 0 26px;font-size:12.5px;color:#6d675c;line-height:1.9}
.dk7-copy span{display:block;color:#575248;margin-top:6px}
.dk7-pagehero{background:var(--ink2);color:#efe9dc;padding:56px 0 52px;position:relative;overflow:hidden}
.dk7-pagehero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.22;filter:grayscale(.3)}
.dk7-pagehero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(9,12,15,.72),rgba(9,12,15,.92))}
.dk7-pageheroin{position:relative;z-index:2}
.dk7-crumb{font-size:12.5px;color:#8f8877;letter-spacing:1px;margin-bottom:14px}
.dk7-crumb a:hover{color:var(--brass)}
.dk7-pagehero h1{font-size:36px;color:#f6f1e5;letter-spacing:1.6px}
.dk7-pagehero p{color:#a8a192;font-size:14.5px;margin-top:14px;max-width:720px}
.dk7-sidenav{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.dk7-sidenav a{padding:8px 16px;border:1px solid rgba(200,161,99,.35);color:#bdb5a5;font-size:13.5px;letter-spacing:.8px}
.dk7-sidenav a.on,.dk7-sidenav a:hover{border-color:var(--brass);color:var(--brass)}
.dk7-art{max-width:860px;margin:0 auto}
.dk7-art h2{font-size:24px;margin:34px 0 14px;padding-left:14px;border-left:3px solid var(--brass)}
.dk7-art p{font-size:15.5px;line-height:2.05;color:#3d434a;margin-bottom:16px}
.dk7-art li{font-size:15.5px;line-height:2.05;color:#3d434a;padding-left:18px;position:relative;margin-bottom:10px}
.dk7-art li::before{content:"";position:absolute;left:0;top:.85em;width:5px;height:5px;background:var(--brass);transform:rotate(45deg)}
.dk7-art figure{margin:30px 0}
.dk7-art figure img{display:block;width:100%;max-height:520px;object-fit:cover;border:1px solid var(--line)}
.dk7-art figure figcaption{font-size:12.5px;color:var(--muted);padding-top:10px;letter-spacing:.6px}
.dk7-note{border:1px solid var(--line);background:#efe8da;padding:22px 24px;margin:28px 0}
.dk7-note b{display:block;color:#8a6a32;letter-spacing:1.4px;font-size:13px;margin-bottom:8px}
.dk7-note p{margin:0;font-size:14.5px;color:#4a5057;line-height:1.9}
.dk7-next{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:24px;margin-top:44px;flex-wrap:wrap}
.dk7-next a{font-size:14px;color:#4c5259;max-width:46%}
.dk7-next a:hover{color:var(--brassd)}
.dk7-next a small{display:block;color:var(--muted);font-size:12px;letter-spacing:1px;margin-bottom:4px}
.dk7-mobbar{display:none}
@media(max-width:1080px){
.dk7-svc{grid-template-columns:repeat(2,1fr)}
.dk7-news{grid-template-columns:repeat(2,1fr)}
.dk7-team{grid-template-columns:repeat(2,1fr)}
.dk7-ftin{grid-template-columns:1fr 1fr}
}
@media(max-width:820px){
.dk7-nav,.dk7-call{display:none}
.dk7-burger{display:flex}
.dk7-hdin{height:66px;justify-content:space-between}
.dk7-hero{min-height:0}
.dk7-heroin{padding-top:64px;padding-bottom:56px}
.dk7-hero h1{font-size:31px;letter-spacing:1px}
.dk7-hero p{font-size:15px}
.dk7-stats{grid-template-columns:1fr}
.dk7-stats div{border-right:0;border-bottom:1px solid rgba(255,255,255,.08)}
.dk7-sec{padding:56px 0}
.dk7-shead h2{font-size:26px}
.dk7-warr{grid-template-columns:1fr;gap:26px}
.dk7-warrnum{border-right:0;border-bottom:1px solid rgba(200,161,99,.3);padding:0 0 18px}
.dk7-warrnum b{font-size:44px}
.dk7-warrlist{grid-template-columns:1fr}
.dk7-flow{grid-template-columns:1fr 1fr}
.dk7-price{grid-template-columns:1fr}
.dk7-quote{grid-template-columns:1fr}
.dk7-mosaic{grid-template-columns:1fr 1fr;grid-template-rows:repeat(3,190px)}
.dk7-mosaic a:first-child{grid-column:span 2;grid-row:span 1}
.dk7-pagehero h1{font-size:26px}
.dk7-pagehero{padding:40px 0}
.dk7-art p,.dk7-art li{font-size:15px}
.dk7-tbl{font-size:13.5px}
.dk7-tbl th,.dk7-tbl td{padding:10px 10px}
.dk7-next a{max-width:100%}
.dk7-mobbar{display:grid;grid-template-columns:1fr 1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:60;background:rgba(10,13,16,.97);border-top:1px solid rgba(200,161,99,.35)}
.dk7-mobbar a{text-align:center;padding:12px 4px;font-size:13.5px;color:var(--brass);letter-spacing:1px;border-right:1px solid rgba(255,255,255,.08)}
.dk7-mobbar a:last-child{border-right:0}
.dk7-ft{padding-bottom:64px}
.dk7-drawer{display:flex;flex-direction:column;position:fixed;left:0;top:0;bottom:0;width:76%;max-width:320px;background:#0d1014;z-index:70;padding:22px;transform:translateX(-102%);transition:transform .3s}
.dk7-drawer.on{transform:none}
.dk7-drawer a{color:#cfc9bd;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.07);font-size:15px;letter-spacing:1px}
.dk7-drawer a.on{color:var(--brass)}
.dk7-drawer b{color:var(--brass);font-size:22px;font-family:"Songti SC","STSong",serif;margin:16px 0 10px}
.dk7-mask{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:65;display:none}
.dk7-mask.on{display:block}
}
@media(max-width:520px){
.dk7-svc,.dk7-news,.dk7-team,.dk7-flow{grid-template-columns:1fr}
.dk7-ftin{grid-template-columns:1fr}
.dk7-mosaic{grid-template-columns:1fr;grid-template-rows:repeat(6,180px)}
.dk7-mosaic a:first-child{grid-column:span 1}
}