.landing{--bg:#fff;--text:#0a0a0a;--muted:#6b6b6b;--button-bg:#0a0a0a;--button-text:#fff;--border-soft:#00000014;--green:#17c964;background:var(--bg);min-height:100svh;color:var(--text);font-family:var(--font-inter), system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;position:relative;overflow-x:hidden}.lnd-nav{z-index:100;position:fixed;top:0;left:0;right:0}.lnd-nav-inner{justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:19px 36px;display:flex}.lnd-logo{font-family:var(--font-source-serif), var(--font-noto-serif-sc), "Songti SC", "SimSun", serif;letter-spacing:-.08em;font-size:30px;font-weight:600}.lnd-logo sup{font-family:var(--font-inter), sans-serif;vertical-align:super;margin-left:1px;font-size:14px;font-style:normal;font-weight:600}.lnd-menu-btn{background:var(--button-bg);color:var(--button-text);font-family:var(--font-inter), sans-serif;cursor:pointer;border:none;border-radius:9999px;align-items:center;gap:8px;padding:10px 22px;font-size:14px;font-weight:500;transition:transform .2s,box-shadow .2s;display:inline-flex}.lnd-menu-btn:hover{transform:translateY(-1px);box-shadow:0 4px 20px #0000001f}.lnd-hero{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:850px;padding:120px 36px;display:flex;position:relative;overflow:hidden}.lnd-hero:before{content:"";z-index:0;background-image:url(https://images.higgs.ai/?default=1&output=webp&url=https%3A%2F%2Fd8j0ntlcm91z4.cloudfront.net%2Fuser_38xzZboKViGWJOttwIXH07lWA1P%2Fhf_20260626_041422_4a459e05-abce-4150-9fb7-4ededc423cd1.png&w=1280&q=85);background-position:50%;background-size:cover;position:absolute;inset:0}.lnd-veil{z-index:0;background:#ffffff9e;position:absolute;inset:0}.lnd-lines{z-index:1;pointer-events:none;position:absolute;top:0;bottom:0}.lnd-lines-l{left:0}.lnd-lines-r{right:0}.lnd-line{opacity:0;border:2.5px solid #fcfaf8;height:112%;animation:5s ease-in-out infinite line-pulse;position:absolute;top:-6%}.lnd-line.l{border-left:none;border-radius:0 80% 80% 0;left:0}.lnd-line.r{border-right:none;border-radius:80% 0 0 80%;right:0}.lnd-lines-top{z-index:1;pointer-events:none;display:none;position:absolute;top:0;left:0;right:0}.lnd-line-top{opacity:0;border:2.5px solid #fcfaf8;border-top:none;border-radius:0 0 80% 80%;width:112%;animation:5s ease-in-out infinite line-pulse;position:absolute;top:0;left:0}.lnd-ticker{z-index:2;max-width:500px;height:36px;position:relative;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,#0000 0%,#000 12% 88%,#0000 100%);mask-image:linear-gradient(90deg,#0000 0%,#000 12% 88%,#0000 100%)}.lnd-ticker-track{width:max-content;animation:30s linear infinite marquee-left;display:flex}.lnd-ticker-group{display:flex}.lnd-ticker-group span{color:var(--muted);white-space:nowrap;background:#fbfbfb;border-radius:9999px;margin-right:8px;padding:6px 14px;font-size:13px;font-weight:500}.lnd-title{z-index:2;letter-spacing:-.07em;text-align:center;max-width:550px;margin:36px 0 0;font-size:82px;font-weight:600;line-height:1.03;position:relative}.lnd-title .serif{font-family:var(--font-noto-serif-sc), var(--font-source-serif), "Songti SC", "SimSun", serif;letter-spacing:-.08em;font-style:italic;font-weight:600}.lnd-title sup{font-family:var(--font-inter), sans-serif;vertical-align:super;letter-spacing:0;font-size:24px;font-style:normal;font-weight:600}.lnd-subtitle{z-index:2;max-width:476px;color:var(--muted);text-align:center;margin:24px 0 0;font-size:17px;font-weight:400;line-height:1.45;position:relative}.lnd-fade{z-index:3;pointer-events:none;background:linear-gradient(#0000 0%,#fff6 40%,#fff 100%);height:178px;position:absolute;bottom:0;left:0;right:0}.lnd-overlay{z-index:200;-webkit-backdrop-filter:blur(14px);background:#ffffff59;justify-content:center;align-items:center;padding:16px;animation:.3s lnd-fade-in;display:flex;position:fixed;inset:0}.lnd-modal{background:#fff;border:1px solid #0000000f;border-radius:20px;width:100%;max-width:400px;max-height:90vh;padding:28px;animation:.35s cubic-bezier(.16,1,.3,1) lnd-pop-in;position:relative;overflow-y:auto;box-shadow:0 24px 64px #0000001f}.lnd-modal-close{color:#6b6b6b;cursor:pointer;background:#f5f5f5;border:none;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;transition:background .2s;display:flex;position:absolute;top:14px;right:14px}.lnd-modal-close:hover{background:#ebebeb}.lnd-tabs{background:#f5f5f5;border-radius:9999px;margin-bottom:24px;padding:4px;display:flex}.lnd-tab{text-align:center;color:var(--muted);cursor:pointer;background:0 0;border:none;border-radius:9999px;flex:1;padding:8px 0;font-size:14px;font-weight:500;transition:all .25s}.lnd-tab.active{color:#fff;background:#0a0a0a}@keyframes marquee-left{0%{transform:translate(0)}to{transform:translate(-50%)}}@keyframes line-pulse{0%{opacity:0;transform:scale(1)}15%{opacity:.9}70%{opacity:.4}to{opacity:0;transform:scale(.85)}}@keyframes lnd-fade-in{0%{opacity:0}to{opacity:1}}@keyframes lnd-pop-in{0%{opacity:0;transform:scale(.96)translateY(8px)}to{opacity:1;transform:none}}@media (max-width:1200px){.lnd-hero{padding:120px 32px}.lnd-title{font-size:clamp(60px,8vw,72px)}.lnd-nav-inner{padding:19px 32px}}@media (max-width:810px){.lnd-hero{min-height:760px;padding:96px 24px 80px}.lnd-hero:before{background-size:cover;transform:rotate(90deg)scale(1.6)}.lnd-lines{display:none}.lnd-lines-top{display:block}.lnd-title{font-size:clamp(44px,13vw,52px)}.lnd-nav-inner{padding:20px}}