:root{
--brand:#8b2e3f;
--brand-2:#c96a4a;
--brand-3:#e8c9a0;
--ink:#2a2320;
--ink-2:#5a4f49;
--bg:#fbf7f2;
--bg-2:#f3ece2;
--line:#e4d9cb;
--ok:#3f7d5c;
--warn:#b07a24;
--radius:14px;
--shadow:0 6px 24px rgba(80,50,40,.08);
}
html[data-theme="dark"]{
--brand:#e08a7a;
--brand-2:#c96a4a;
--brand-3:#7a5a4a;
--ink:#f2eae2;
--ink-2:#c9bdb2;
--bg:#1a1512;
--bg-2:#241d19;
--line:#3a2f28;
--shadow:0 6px 24px rgba(0,0,0,.4);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
background:var(--bg);color:var(--ink);line-height:1.8;font-size:16px;
-webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none;transition:color .2s}
a:hover{color:var(--brand-2)}
img,svg{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;z-index:9999;border-radius:0 0 8px 0}
.skip:focus{left:0}
/* 顶部条 */
.topbar{background:var(--brand);color:#fff;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;padding:8px 20px;flex-wrap:wrap;gap:8px}
.topbar a{color:#fff;opacity:.9}
.topbar a:hover{opacity:1;color:#fff}
.topbar-links{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
/* 导航 */
.nav{position:sticky;top:0;z-index:1000;background:rgba(251,247,242,.92);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .25s}
html[data-theme="dark"] .nav{background:rgba(26,21,18,.92)}
.nav.scrolled{box-shadow:var(--shadow)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink)}
.logo svg{width:38px;height:38px}
.logo small{display:block;font-size:11px;font-weight:400;color:var(--ink-2);letter-spacing:1px}
.menu{display:flex;gap:22px;align-items:center;list-style:none}
.menu a{color:var(--ink-2);font-size:15px;font-weight:500;padding:6px 2px;position:relative}
.menu a:hover{color:var(--brand)}
.menu a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--brand);transition:width .25s}
.menu a:hover::after{width:100%}
.nav-tools{display:flex;align-items:center;gap:10px}
.icon-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--bg-2);display:grid;place-items:center;cursor:pointer;color:var(--ink);transition:all .2s}
.icon-btn:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.search-box{display:flex;align-items:center;border:1px solid var(--line);border-radius:999px;background:var(--bg-2);padding:4px 4px 4px 14px;transition:border-color .2s}
.search-box:focus-within{border-color:var(--brand)}
.search-box input{border:none;background:transparent;color:var(--ink);outline:none;font-size:14px;width:150px;padding:6px 0}
.search-box button{border:none;background:var(--brand);color:#fff;border-radius:999px;width:32px;height:32px;display:grid;place-items:center;cursor:pointer}
.hamburger{display:none}
/* 移动菜单 */
.mobile-menu{position:fixed;inset:0;background:var(--bg);z-index:2000;transform:translateX(100%);transition:transform .3s;padding:20px;overflow-y:auto}
.mobile-menu.open{transform:translateX(0)}
.mobile-menu .mm-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.mobile-menu ul{list-style:none}
.mobile-menu li{border-bottom:1px solid var(--line)}
.mobile-menu li a{display:block;padding:14px 4px;font-size:17px;color:var(--ink)}
/* Banner */
.banner{position:relative;overflow:hidden;background:linear-gradient(135deg,#2a1620,#5a2430 50%,#8b2e3f);color:#fff}
.slides{position:relative;height:520px}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .8s;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:30px;padding:40px 20px;max-width:1180px;margin:0 auto}
.slide.active{opacity:1}
.slide h1{font-size:44px;line-height:1.25;margin-bottom:18px;letter-spacing:.5px}
.slide h2{font-size:40px;line-height:1.25;margin-bottom:18px}
.slide p{font-size:17px;opacity:.92;margin-bottom:26px;max-width:520px}
.slide .btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border-radius:999px;font-weight:600;font-size:15px;transition:all .25s;cursor:pointer;border:none}
.btn-primary{background:var(--brand-3);color:#3a1f14}
.btn-primary:hover{background:#fff;color:var(--brand);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6)}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.slide-art{display:grid;place-items:center}
.slide-art svg{width:100%;max-width:420px;filter:drop-shadow(0 20px 40px rgba(0,0,0,.35))}
.dots{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:5}
.dots button{width:34px;height:5px;border-radius:3px;border:none;background:rgba(255,255,255,.35);cursor:pointer;transition:background .25s}
.dots button.active{background:var(--brand-3)}
/* 数字条 */
.stats{background:var(--bg-2);border-bottom:1px solid var(--line)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:36px 20px;text-align:center}
.stat .num{font-size:38px;font-weight:800;color:var(--brand);line-height:1.1}
.stat .lbl{color:var(--ink-2);font-size:14px;margin-top:6px}
/* 通用 section */
section{padding:70px 0}
.sec-head{text-align:center;max-width:760px;margin:0 auto 44px}
.sec-head .tag{display:inline-block;font-size:13px;letter-spacing:2px;color:var(--brand);background:rgba(139,46,63,.08);padding:4px 14px;border-radius:999px;margin-bottom:14px;font-weight:600}
html[data-theme="dark"] .sec-head .tag{background:rgba(224,138,122,.14)}
.sec-head h2{font-size:32px;line-height:1.3;margin-bottom:14px}
.sec-head p{color:var(--ink-2);font-size:16px}
.breadcrumb{font-size:13px;color:var(--ink-2);padding:16px 0;border-bottom:1px solid var(--line)}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.breadcrumb li+li::before{content:"›";margin-right:6px;opacity:.6}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand)}
/* 品牌介绍 */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.about-text h2{font-size:30px;margin-bottom:18px}
.about-text p{color:var(--ink-2);margin-bottom:16px}
.about-list{list-style:none;display:grid;gap:14px;margin-top:22px}
.about-list li{display:flex;gap:12px;align-items:flex-start;color:var(--ink-2)}
.about-list .dot{flex:0 0 26px;height:26px;border-radius:50%;background:rgba(139,46,63,.1);color:var(--brand);display:grid;place-items:center;font-weight:700;font-size:13px;margin-top:2px}
.about-art{background:linear-gradient(135deg,var(--bg-2),#f7e9d8);border-radius:22px;padding:30px;box-shadow:var(--shadow)}
html[data-theme="dark"] .about-art{background:linear-gradient(135deg,var(--bg-2),#2e241e)}
/* 企业文化 */
.culture-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card .ico{width:54px;height:54px;border-radius:14px;background:rgba(139,46,63,.1);display:grid;place-items:center;margin-bottom:18px;color:var(--brand)}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--ink-2);font-size:15px}
/* 历史时间线 */
.timeline{position:relative;margin-top:20px;padding-left:28px;border-left:2px solid var(--line)}
.tl-item{position:relative;padding:0 0 34px 26px}
.tl-item::before{content:"";position:absolute;left:-37px;top:6px;width:16px;height:16px;border-radius:50%;background:var(--brand);border:3px solid var(--bg);box-shadow:0 0 0 2px var(--brand)}
.tl-item .year{font-weight:800;color:var(--brand);font-size:18px}
.tl-item h4{font-size:17px;margin:6px 0 8px}
.tl-item p{color:var(--ink-2);font-size:15px}
/* 产品 */
.products{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.product{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .25s,box-shadow .25s}
.product:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.product .cover{height:170px;display:grid;place-items:center;background:linear-gradient(135deg,#8b2e3f,#c96a4a)}
.product:nth-child(2) .cover{background:linear-gradient(135deg,#3f5c7d,#6a8fb5)}
.product:nth-child(3) .cover{background:linear-gradient(135deg,#5c7d3f,#8fb56a)}
.product:nth-child(4) .cover{background:linear-gradient(135deg,#7d3f5c,#b56a8f)}
.product:nth-child(5) .cover{background:linear-gradient(135deg,#7d6a3f,#b59a6a)}
.product:nth-child(6) .cover{background:linear-gradient(135deg,#3f7d7d,#6ab5b5)}
.product .body{padding:22px}
.product h3{font-size:18px;margin-bottom:8px}
.product p{color:var(--ink-2);font-size:14px;margin-bottom:14px}
.product .meta{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--ink-2)}
.badge{display:inline-block;font-size:12px;padding:3px 10px;border-radius:999px;background:rgba(139,46,63,.1);color:var(--brand);font-weight:600}
/* 优势 */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.adv{text-align:center;padding:26px 18px;border-radius:var(--radius);background:var(--bg-2);border:1px solid var(--line)}
.adv .num{font-size:30px;font-weight:800;color:var(--brand);margin-bottom:6px}
.adv h4{font-size:16px;margin-bottom:8px}
.adv p{font-size:14px;color:var(--ink-2)}
/* 方案 */
.solutions{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.solution{display:flex;gap:20px;padding:26px;border-radius:var(--radius);border:1px solid var(--line);background:var(--bg);transition:box-shadow .25s}
.solution:hover{box-shadow:var(--shadow)}
.solution .s-ico{flex:0 0 60px;height:60px;border-radius:16px;background:rgba(139,46,63,.1);display:grid;place-items:center;color:var(--brand)}
.solution h3{font-size:18px;margin-bottom:8px}
.solution p{font-size:14px;color:var(--ink-2);margin-bottom:10px}
.solution ul{list-style:none;font-size:13px;color:var(--ink-2);display:grid;gap:4px}
.solution li::before{content:"· ";color:var(--brand);font-weight:700}
/* 应用场景 */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--bg)}
.scene .s-head{height:120px;display:grid;place-items:center;color:#fff;font-weight:700;font-size:18px;letter-spacing:1px}
.scene:nth-child(1) .s-head{background:linear-gradient(135deg,#8b2e3f,#c96a4a)}
.scene:nth-child(2) .s-head{background:linear-gradient(135deg,#3f5c7d,#6a8fb5)}
.scene:nth-child(3) .s-head{background:linear-gradient(135deg,#5c7d3f,#8fb56a)}
.scene:nth-child(4) .s-head{background:linear-gradient(135deg,#7d3f5c,#b56a8f)}
.scene:nth-child(5) .s-head{background:linear-gradient(135deg,#7d6a3f,#b59a6a)}
.scene:nth-child(6) .s-head{background:linear-gradient(135deg,#3f7d7d,#6ab5b5)}
.scene .s-body{padding:20px}
.scene .s-body p{font-size:14px;color:var(--ink-2)}
/* 案例 */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .25s,box-shadow .25s}
.case:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.case .c-tag{font-size:12px;color:var(--brand);font-weight:600;margin-bottom:10px}
.case h3{font-size:17px;margin-bottom:10px;line-height:1.5}
.case p{font-size:14px;color:var(--ink-2);margin-bottom:14px}
.case .c-foot{display:flex;justify-content:space-between;font-size:13px;color:var(--ink-2);padding-top:12px;border-top:1px dashed var(--line)}
/* 评价 */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review{background:var(--bg-2);border-radius:var(--radius);padding:26px;border:1px solid var(--line)}
.review .stars{color:#e0a020;font-size:15px;margin-bottom:12px;letter-spacing:2px}
.review p{font-size:15px;color:var(--ink-2);margin-bottom:18px;min-height:80px}
.review .who{display:flex;align-items:center;gap:12px}
.review .avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;color:#fff;font-weight:700}
.review .who strong{display:block;font-size:15px}
.review .who span{font-size:12px;color:var(--ink-2)}
/* 新闻 */
.news-list{display:grid;gap:0;border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:120px 1fr auto;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);transition:background .2s}
.news-item:hover{background:var(--bg-2)}
.news-item .date{font-size:13px;color:var(--ink-2);text-align:center}
.news-item .date strong{display:block;font-size:22px;color:var(--brand)}
.news-item h3{font-size:17px;margin-bottom:6px}
.news-item p{font-size:14px;color:var(--ink-2)}
.news-item .more{font-size:14px;color:var(--brand);white-space:nowrap}
/* 文章 */
.articles{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.article{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column}
.article:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.article .a-cat{font-size:12px;color:var(--brand);font-weight:600;margin-bottom:10px}
.article h3{font-size:17px;line-height:1.5;margin-bottom:10px}
.article p{font-size:14px;color:var(--ink-2);margin-bottom:16px;flex:1}
.article .a-foot{display:flex;justify-content:space-between;font-size:13px;color:var(--ink-2);padding-top:14px;border-top:1px dashed var(--line)}
.article .a-foot a{font-weight:600}
/* FAQ */
.faq{max-width:900px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;background:var(--bg)}
.faq-q{width:100%;text-align:left;padding:20px 24px;background:transparent;border:none;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:inherit}
.faq-q:hover{color:var(--brand)}
.faq-q .plus{flex:0 0 24px;height:24px;border-radius:50%;background:rgba(139,46,63,.1);color:var(--brand);display:grid;place-items:center;font-size:18px;transition:transform .3s}
.faq-item.open .faq-q .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-inner{padding:0 24px 22px;color:var(--ink-2);font-size:15px}
/* HowTo */
.howto{background:var(--bg-2);border-radius:22px;padding:44px;border:1px solid var(--line)}
.howto-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.howto h3{font-size:19px;margin-bottom:14px;color:var(--brand)}
.howto ol,.howto ul{padding-left:20px;color:var(--ink-2);font-size:15px}
.howto li{margin-bottom:10px}
.howto .step{padding:18px;background:var(--bg);border-radius:var(--radius);border:1px solid var(--line);margin-bottom:14px}
.howto .step strong{color:var(--brand);display:block;margin-bottom:6px}
/* 作者/团队 */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.member{text-align:center;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:26px 18px;transition:transform .25s,box-shadow .25s}
.member:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.member .m-avatar{width:80px;height:80px;border-radius:50%;margin:0 auto 16px;display:grid;place-items:center;color:#fff;font-size:26px;font-weight:800}
.member:nth-child(1) .m-avatar{background:linear-gradient(135deg,#8b2e3f,#c96a4a)}
.member:nth-child(2) .m-avatar{background:linear-gradient(135deg,#3f5c7d,#6a8fb5)}
.member:nth-child(3) .m-avatar{background:linear-gradient(135deg,#5c7d3f,#8fb56a)}
.member:nth-child(4) .m-avatar{background:linear-gradient(135deg,#7d3f5c,#b56a8f)}
.member h3{font-size:17px;margin-bottom:4px}
.member .role{font-size:13px;color:var(--brand);margin-bottom:10px}
.member p{font-size:13px;color:var(--ink-2)}
/* 联系 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-info{display:grid;gap:18px}
.contact-item{display:flex;gap:16px;align-items:flex-start;padding:18px;border-radius:var(--radius);background:var(--bg-2);border:1px solid var(--line)}
.contact-item .c-ico{flex:0 0 44px;height:44px;border-radius:12px;background:rgba(139,46,63,.1);color:var(--brand);display:grid;place-items:center}
.contact-item h4{font-size:15px;margin-bottom:4px}
.contact-item p,.contact-item a{font-size:14px;color:var(--ink-2)}
.contact-form{background:var(--bg-2);border-radius:22px;padding:32px;border:1px solid var(--line)}
.contact-form h3{font-size:20px;margin-bottom:18px}
.contact-form label{display:block;font-size:14px;margin-bottom:6px;color:var(--ink-2)}
.contact-form input,.contact-form textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);font-family:inherit;font-size:14px;margin-bottom:16px;outline:none;transition:border-color .2s}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--brand)}
.contact-form textarea{min-height:100px;resize:vertical}
/* 页脚 */
footer{background:#241a16;color:#c9bdb2;padding:60px 0 0;margin-top:20px}
footer .foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
footer h4{color:#fff;font-size:16px;margin-bottom:18px}
footer p,footer a{font-size:14px;color:#c9bdb2;line-height:1.9}
footer a:hover{color:#e8c9a0}
footer ul{list-style:none;display:grid;gap:8px}
.foot-bottom{padding:24px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;font-size:13px;color:#9a8d84}
.foot-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
/* 返回顶部 */
.to-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;background:var(--brand);color:#fff;border:none;display:grid;place-items:center;cursor:pointer;opacity:0;pointer-events:none;transition:all .3s;z-index:900;box-shadow:0 8px 20px rgba(139,46,63,.4)}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{transform:translateY(-4px)}
/* 滚动动画 */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s,transform .7s}
.reveal.visible{opacity:1;transform:translateY(0)}
/* 响应式 */
@media(max-width:1024px){
.slide h1{font-size:34px}
.slide h2{font-size:32px}
.about-grid{grid-template-columns:1fr;gap:30px}
.products,.culture-grid,.scene-grid,.cases,.reviews,.articles{grid-template-columns:repeat(2,1fr)}
.adv-grid{grid-template-columns:repeat(2,1fr)}
.team-grid{grid-template-columns:repeat(2,1fr)}
footer .foot-grid{grid-template-columns:1fr 1fr}
.menu{display:none}
.hamburger{display:grid}
.slide{grid-template-columns:1fr;text-align:center;padding:30px 20px}
.slide p{margin-left:auto;margin-right:auto}
.slide .btns{justify-content:center}
.slide-art{display:none}
}
@media(max-width:640px){
.stats .wrap{grid-template-columns:repeat(2,1fr);gap:24px}
.slide h1,.slide h2{font-size:26px}
.slide p{font-size:15px}
.products,.culture-grid,.scene-grid,.cases,.reviews,.articles,.adv-grid,.solutions,.team-grid{grid-template-columns:1fr}
.news-item{grid-template-columns:1fr;gap:8px}
.news-item .date{text-align:left;display:flex;gap:8px;align-items:baseline}
.news-item .date strong{font-size:16px}
.howto{padding:24px}
.howto-grid{grid-template-columns:1fr}
.contact-grid{grid-template-columns:1fr}
footer .foot-grid{grid-template-columns:1fr}
.search-box{display:none}
.sec-head h2{font-size:24px}
section{padding:50px 0}
}
@media(prefers-reduced-motion:reduce){
*{animation:none!important;transition:none!important}
.reveal{opacity:1;transform:none}
}