*,*::before,*::after{box-sizing:border-box}
:root{--nv:#0d2743;--nv2:#19456f;--ac:#c9631b;--ac2:#a9500f;--bg:#f3f5f7;--ln:#dbe1e7;--tx:#2b333b;--mut:#66727e;--wh:#ffffff}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Source Han Sans SC",sans-serif;color:var(--tx);font-size:15px;line-height:1.75;background:var(--wh)}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--nv)}
p{margin:0 0 14px}
ul{margin:0;padding:0;list-style:none}
.d7k-wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
.d7k-top{background:var(--nv);color:#c9d6e2;font-size:12px}
.d7k-top-in{display:flex;flex-wrap:wrap;gap:4px 18px;align-items:center;justify-content:space-between;min-height:36px;padding:6px 0}
.d7k-top-in span{display:inline-block}
.d7k-top-em{color:#ffffff}
.d7k-hd{background:var(--wh);border-bottom:1px solid var(--ln);position:sticky;top:0;z-index:60;box-shadow:0 1px 8px rgba(13,39,67,.06)}
.d7k-hd-in{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 0}
.d7k-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.d7k-logo img{height:44px;width:auto}
.d7k-logo-tx b{display:block;font-size:17px;color:var(--nv);letter-spacing:.5px;line-height:1.25}
.d7k-logo-tx i{display:block;font-style:normal;font-size:10px;color:#8794a2;letter-spacing:1.4px;text-transform:uppercase}
.d7k-nav{display:none}
.d7k-nav a{display:block;padding:10px 14px;font-size:15px;color:#243447;border-bottom:1px solid var(--ln)}
.d7k-nav a:hover,.d7k-nav a.on{color:var(--ac)}
.d7k-burger{width:42px;height:38px;border:1px solid var(--ln);background:#fff;padding:9px 8px;border-radius:3px;cursor:pointer}
.d7k-burger span{display:block;height:2px;background:var(--nv);margin:0 0 5px}
.d7k-burger span:last-child{margin-bottom:0}
.d7k-nav.open{display:block;position:absolute;left:0;right:0;top:100%;background:#fff;padding:4px 16px 12px;border-bottom:2px solid var(--ac);box-shadow:0 6px 14px rgba(0,0,0,.12)}
.d7k-hero{position:relative;overflow:hidden;background:var(--nv)}
.d7k-slide{position:relative;height:340px}
.d7k-slide img{width:100%;height:100%;object-fit:cover;object-position:center}
.d7k-slide::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,20,36,.86) 0,rgba(6,20,36,.55) 46%,rgba(6,20,36,.12) 100%)}
.d7k-slide-n{position:absolute;inset:0;z-index:2;display:flex;align-items:flex-end}
.d7k-slide-n .d7k-wrap{padding-bottom:34px}
.d7k-hero-k{display:inline-block;font-size:12px;letter-spacing:2px;color:#f2c391;border-left:3px solid var(--ac);padding-left:8px;margin-bottom:10px}
.d7k-hero-h{color:#fff;font-size:22px;line-height:1.45;margin:0 0 8px;max-width:640px;font-weight:700}
.d7k-hero-s{color:#d5e0ea;font-size:13px;max-width:600px;margin:0 0 16px}
.d7k-btns{display:flex;flex-wrap:wrap;gap:12px}
.d7k-btn{display:inline-block;padding:11px 22px;background:var(--ac);color:#fff;font-size:14px;border-radius:2px;letter-spacing:.5px}
.d7k-btn:hover{background:var(--ac2)}
.d7k-btn2{background:transparent;border:1px solid rgba(255,255,255,.65);color:#fff}
.d7k-btn2:hover{background:rgba(255,255,255,.14);border-color:#fff}
.d7k-hero-dots{position:absolute;right:16px;bottom:16px;z-index:3;display:flex;gap:8px}
.d7k-hero-dots button{width:26px;height:6px;border:0;background:rgba(255,255,255,.4);cursor:pointer;padding:0}
.d7k-hero-dots button.on{background:var(--ac)}
.d7k-sec{padding:40px 0}
.d7k-sec.alt{background:var(--bg)}
.d7k-sec-hd{margin-bottom:24px}
.d7k-sec-hd h2{font-size:22px;position:relative;padding-left:12px}
.d7k-sec-hd h2::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;background:var(--ac)}
.d7k-sec-hd p{margin:8px 0 0;color:var(--mut);font-size:13px}
.d7k-sec-hd.ctr{text-align:center}
.d7k-sec-hd.ctr h2{padding-left:0}
.d7k-sec-hd.ctr h2::before{display:none}
.d7k-sec-hd.ctr p{margin-top:6px}
.d7k-more{display:inline-block;font-size:13px;color:var(--ac);border-bottom:1px solid var(--ac);padding-bottom:1px}
.d7k-hd-row{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;flex-wrap:wrap}
.d7k-pgrid{display:grid;grid-template-columns:1fr;gap:16px}
.d7k-pc{border:1px solid var(--ln);background:#fff;display:flex;flex-direction:column;transition:box-shadow .2s,border-color .2s}
.d7k-pc:hover{border-color:#b9c7d4;box-shadow:0 8px 20px rgba(13,39,67,.1)}
.d7k-pc-img{height:190px;background:#f7f9fa;display:flex;align-items:center;justify-content:center;padding:12px;border-bottom:1px solid #eef1f4}
.d7k-pc-img img{max-height:166px;width:auto;object-fit:contain}
.d7k-pc-b{padding:14px 16px 18px}
.d7k-pc-b h3{font-size:16px;margin:0 0 8px}
.d7k-pc-b h3 a:hover{color:var(--ac)}
.d7k-pc-b ul{margin:0 0 12px}
.d7k-pc-b li{font-size:12.5px;color:var(--mut);line-height:1.9;padding-left:12px;position:relative}
.d7k-pc-b li::before{content:"";position:absolute;left:0;top:9px;width:4px;height:4px;background:var(--ac)}
.d7k-pc-l{font-size:13px;color:var(--ac)}
.d7k-why{display:grid;grid-template-columns:1fr;gap:14px}
.d7k-why-i{background:#fff;border:1px solid var(--ln);padding:18px 16px}
.d7k-why-i b{display:block;font-size:15px;color:var(--nv);margin-bottom:6px}
.d7k-why-i span{font-size:13px;color:var(--mut);line-height:1.8}
.d7k-why-i i{display:block;font-style:normal;font-size:12px;color:var(--ac);letter-spacing:1px;margin-bottom:8px}
.d7k-ind{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.d7k-ind-i{position:relative;overflow:hidden;height:150px;background:var(--nv)}
.d7k-ind-i img{width:100%;height:100%;object-fit:cover;opacity:.82}
.d7k-ind-i span{position:absolute;left:0;right:0;bottom:0;padding:22px 12px 10px;color:#fff;font-size:14px;background:linear-gradient(180deg,rgba(8,24,42,0) 0,rgba(8,24,42,.88) 70%)}
.d7k-ind-i span em{display:block;font-style:normal;font-size:11px;color:#b9cadb;letter-spacing:.5px;margin-top:2px}
.d7k-cap{display:grid;grid-template-columns:1fr;gap:22px;align-items:center}
.d7k-cap-img img{width:100%;height:auto}
.d7k-cap-txt p{font-size:13.5px;color:#404b57}
.d7k-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:16px 0 0}
.d7k-stat{border-left:3px solid var(--ac);background:#fff;padding:10px 12px}
.d7k-stat b{display:block;font-size:20px;color:var(--nv);line-height:1.2}
.d7k-stat span{font-size:12px;color:var(--mut)}
.d7k-nlist{border-top:1px solid var(--ln)}
.d7k-ni{display:block;padding:14px 0;border-bottom:1px solid var(--ln)}
.d7k-ni .d{font-size:12px;color:#9aa6b2;letter-spacing:.5px}
.d7k-ni h3{font-size:15px;margin:4px 0 4px;font-weight:600}
.d7k-ni p{font-size:12.5px;color:var(--mut);margin:0}
.d7k-ni:hover h3{color:var(--ac)}
.d7k-cta{background:var(--nv);color:#fff;padding:34px 0}
.d7k-cta-in{display:flex;flex-direction:column;gap:16px}
.d7k-cta h2{color:#fff;font-size:20px;margin:0 0 6px}
.d7k-cta p{color:#b9cadb;font-size:13px;margin:0}
.d7k-ft{background:#081c30;color:#93a6b8;font-size:13px;padding:34px 0 0}
.d7k-ft-g{display:grid;grid-template-columns:1fr;gap:22px}
.d7k-ft h4{color:#fff;font-size:15px;margin:0 0 10px;padding-bottom:8px;border-bottom:1px solid #1d3550}
.d7k-ft a:hover{color:#fff}
.d7k-ft li{line-height:2}
.d7k-ft-b{border-top:1px solid #16304a;margin-top:26px;padding:14px 0 18px;font-size:12px;color:#6f8497;display:flex;flex-wrap:wrap;gap:6px 16px;justify-content:space-between}
.d7k-crumb{background:var(--bg);border-bottom:1px solid var(--ln);font-size:12.5px;color:var(--mut);padding:10px 0}
.d7k-crumb a:hover{color:var(--ac)}
.d7k-crumb span{margin:0 6px;color:#b6c0ca}
.d7k-ph{background:var(--nv);color:#fff;padding:28px 0}
.d7k-ph h1{color:#fff;font-size:22px}
.d7k-ph p{color:#b9cadb;font-size:13px;margin:8px 0 0}
.d7k-pd-top{display:grid;grid-template-columns:1fr;gap:22px;padding:32px 0}
.d7k-pd-gal{border:1px solid var(--ln);background:#fff;padding:12px}
.d7k-pd-main{background:#f7f9fa;display:flex;align-items:center;justify-content:center;height:300px}
.d7k-pd-main img{max-height:276px;width:auto}
.d7k-pd-ths{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin-top:8px}
.d7k-pd-ths img{height:78px;width:100%;object-fit:cover;border:1px solid var(--ln);background:#f7f9fa;cursor:pointer}
.d7k-pd-ths img:hover{border-color:var(--ac)}
.d7k-pd-info h2{font-size:20px;margin:0 0 6px}
.d7k-pd-sub{font-size:12.5px;color:var(--ac);letter-spacing:1px;margin-bottom:12px}
.d7k-pd-info p{font-size:13.5px}
.d7k-keyp{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--ln);border:1px solid var(--ln);margin:14px 0 16px}
.d7k-keyp div{background:#fff;padding:8px 10px;font-size:12.5px}
.d7k-keyp b{display:block;color:var(--mut);font-size:11px;font-weight:400}
.d7k-tbl-w{overflow-x:auto;margin:0 0 8px;border:1px solid var(--ln)}
table.d7k-tbl{border-collapse:collapse;width:100%;min-width:600px;font-size:12.5px}
table.d7k-tbl th,table.d7k-tbl td{border-bottom:1px solid var(--ln);border-right:1px solid var(--ln);padding:9px 10px;text-align:left}
table.d7k-tbl th{background:#eef2f6;color:var(--nv);font-weight:700;white-space:nowrap}
table.d7k-tbl tr:nth-child(even) td{background:#fafbfc}
.d7k-note{font-size:12px;color:var(--mut);margin:0 0 20px}
.d7k-ul2 li{font-size:13.5px;line-height:2;padding-left:16px;position:relative}
.d7k-ul2 li::before{content:"";position:absolute;left:0;top:11px;width:5px;height:5px;background:var(--ac);transform:rotate(45deg)}
.d7k-blk{margin-bottom:30px}
.d7k-blk h3{font-size:17px;margin:0 0 10px;padding-bottom:8px;border-bottom:1px solid var(--ln)}
.d7k-faq-i{border:1px solid var(--ln);background:#fff;margin-bottom:8px}
.d7k-faq-i b{display:block;padding:11px 14px;font-size:14px;color:var(--nv);cursor:pointer;position:relative}
.d7k-faq-i b::after{content:"+";position:absolute;right:14px;top:8px;color:var(--ac);font-size:18px}
.d7k-faq-i.open b::after{content:"\2212"}
.d7k-faq-i .a{display:none;padding:0 14px 12px;font-size:13px;color:#48535e}
.d7k-faq-i.open .a{display:block}
.d7k-rel{display:grid;grid-template-columns:1fr;gap:14px}
.d7k-rel-i{border:1px solid var(--ln);background:#fff}
.d7k-rel-i img{width:100%;height:150px;object-fit:contain;background:#f7f9fa;padding:8px}
.d7k-rel-i span{display:block;padding:10px 12px;font-size:13.5px;color:var(--nv)}
.d7k-rel-i:hover span{color:var(--ac)}
.d7k-ncards{display:grid;grid-template-columns:1fr;gap:16px}
.d7k-nc{border:1px solid var(--ln);background:#fff;display:flex;flex-direction:column}
.d7k-nc img{width:100%;height:170px;object-fit:cover}
.d7k-nc-b{padding:12px 14px 14px}
.d7k-nc-b .d{font-size:11.5px;color:#9aa6b2}
.d7k-nc-b h3{font-size:14.5px;font-weight:600;margin:5px 0 6px;line-height:1.6}
.d7k-nc-b p{font-size:12px;color:var(--mut);margin:0}
.d7k-nc:hover h3{color:var(--ac)}
.d7k-pager{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;border-top:1px solid var(--ln);margin-top:26px;padding-top:16px;font-size:13px}
.d7k-pager a{color:var(--nv)}
.d7k-pager a:hover{color:var(--ac)}
.d7k-art{font-size:15px;line-height:1.95;color:#33404d}
.d7k-art h1{font-size:23px;line-height:1.5;margin:0 0 10px}
.d7k-art-meta{font-size:12.5px;color:#93a1ae;border-bottom:1px solid var(--ln);padding-bottom:12px;margin-bottom:18px}
.d7k-art h2{font-size:17px;margin:24px 0 10px}
.d7k-art img{width:100%;margin:6px 0 18px}
.d7k-art p{margin:0 0 14px}
.d7k-tag{display:inline-block;font-size:12px;color:var(--ac);border:1px solid #ecc7a4;background:#fdf6ef;padding:2px 8px;margin:0 6px 6px 0}
.d7k-form{background:#fff;border:1px solid var(--ln);padding:18px 16px}
.d7k-form label{display:block;font-size:12.5px;color:var(--mut);margin-bottom:5px}
.d7k-form input,.d7k-form textarea{width:100%;border:1px solid #cfd8e0;padding:10px;font-size:16px;font-family:inherit;margin-bottom:12px;background:#fbfcfd}
.d7k-form textarea{min-height:100px;resize:vertical}
.d7k-form button{width:100%;border:0;background:var(--ac);color:#fff;font-size:15px;padding:12px;cursor:pointer;font-family:inherit}
.d7k-form button:hover{background:var(--ac2)}
.d7k-form .tip{font-size:11.5px;color:#93a1ae;margin:8px 0 0}
.d7k-info{display:grid;grid-template-columns:1fr;gap:16px}
.d7k-info-i{border-left:3px solid var(--ac);background:var(--bg);padding:14px 16px}
.d7k-info-i b{display:block;font-size:13px;color:var(--nv);margin-bottom:4px}
.d7k-info-i span{font-size:13px;color:#4c5865;word-break:break-all}
.d7k-404{padding:70px 0;text-align:center}
.d7k-404 b{display:block;font-size:76px;line-height:1;color:var(--nv);letter-spacing:2px}
.d7k-404 h1{font-size:20px;margin:14px 0 10px}
.d7k-404 p{color:var(--mut);font-size:13.5px;margin:0 0 20px}
.d7k-404-l{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;font-size:13px}
.d7k-404-l a{border:1px solid var(--ln);padding:8px 14px;background:#fff}
.d7k-404-l a:hover{border-color:var(--ac);color:var(--ac)}
.d7k-timeline li{position:relative;padding:0 0 20px 26px;border-left:2px solid #e2e8ee}
.d7k-timeline li:last-child{border-left-color:transparent;padding-bottom:0}
.d7k-timeline li::before{content:"";position:absolute;left:-7px;top:6px;width:12px;height:12px;background:var(--ac);border-radius:50%}
.d7k-timeline b{display:block;color:var(--nv);font-size:15px;margin-bottom:2px}
.d7k-timeline span{font-size:13px;color:var(--mut)}
.d7k-grid2{display:grid;grid-template-columns:1fr;gap:20px}
.d7k-quote{border-left:3px solid var(--ac);background:var(--bg);padding:12px 16px;font-size:13.5px;color:#40505e;margin:0 0 18px}
@media(min-width:640px){
.d7k-pgrid{grid-template-columns:1fr 1fr}
.d7k-ncards{grid-template-columns:1fr 1fr}
.d7k-why{grid-template-columns:1fr 1fr}
.d7k-ind{grid-template-columns:1fr 1fr 1fr}
.d7k-rel{grid-template-columns:1fr 1fr 1fr}
.d7k-stats{grid-template-columns:1fr 1fr 1fr 1fr}
.d7k-ft-g{grid-template-columns:1fr 1fr}
}
@media(min-width:640px) and (max-width:899px){.d7k-pgrid>li:nth-child(5){grid-column:1/-1}}
@media(min-width:900px){
.d7k-top{font-size:12.5px}
.d7k-burger{display:none}
.d7k-nav{display:flex;position:static;padding:0;background:none;border:0;box-shadow:none}
.d7k-nav a{padding:12px 15px;border-bottom:0;position:relative;font-size:15px}
.d7k-nav a.on::after,.d7k-nav a:hover::after{content:"";position:absolute;left:15px;right:15px;bottom:4px;height:2px;background:var(--ac)}
.d7k-hd-in{padding:14px 0}
.d7k-logo img{height:52px}
.d7k-logo-tx b{font-size:19px}
.d7k-slide{height:460px}
.d7k-hero-h{font-size:30px}
.d7k-hero-s{font-size:14.5px}
.d7k-sec{padding:56px 0}
.d7k-sec-hd h2{font-size:26px}
.d7k-pgrid{grid-template-columns:1fr 1fr 1fr}
.d7k-why{grid-template-columns:1fr 1fr 1fr 1fr}
.d7k-ind{grid-template-columns:1fr 1fr 1fr}
.d7k-ind-i{height:200px}
.d7k-cap{grid-template-columns:1.05fr 1fr;gap:36px}
.d7k-cta-in{flex-direction:row;align-items:center;justify-content:space-between}
.d7k-ft-g{grid-template-columns:1.3fr 1fr 1fr 1.1fr}
.d7k-pd-top{grid-template-columns:560px 1fr;gap:34px;padding:44px 0}
.d7k-pd-main{height:400px}
.d7k-pd-main img{max-height:376px}
.d7k-pd-ths img{height:104px}
.d7k-ncards{grid-template-columns:1fr 1fr 1fr}
.d7k-rel{grid-template-columns:1fr 1fr 1fr}
.d7k-grid2{grid-template-columns:1fr 1fr;gap:30px}
.d7k-info{grid-template-columns:1fr 1fr}
.d7k-ni{display:grid;grid-template-columns:96px 1fr;gap:16px;align-items:start;padding:16px 0}
.d7k-ni .d{padding-top:2px}
.d7k-ft{padding:44px 0 0}
}
@media(min-width:1200px){
.d7k-pgrid{grid-template-columns:repeat(5,1fr)}
.d7k-pc-img{height:210px}
.d7k-pc-img img{max-height:186px}
}