.nav-public{font-family:Arial,PingFang SC,sans-serif;max-width:1200px;margin:auto;color:#282832;padding:0 30px;min-height:100vh;background:white}.nav-public a{text-decoration:none;color:inherit}.nav-public header{justify-content:space-between;border-bottom:1px solid #eee;padding:24px 0}.nav-logo,.nav-public header{display:flex;align-items:center}.nav-logo{gap:12px;font-size:18px;font-weight:650}.nav-logo span{display:grid;place-items:center;background:#292934;color:white;border-radius:10px;width:36px;height:36px}.nav-public nav{display:flex;gap:30px;color:#7e7e88;font-size:13px}.nav-hero{text-align:center;padding:74px 0 60px}.nav-hero small{letter-spacing:3px;font-size:10px;color:#aaa}.nav-hero h1{font-size:42px;letter-spacing:-1px;font-weight:650;margin:20px 0 14px}.nav-hero p{font-size:14px;color:#8a8a95}.nav-hero form{margin:30px auto 0;max-width:500px;display:flex;border:1px solid #dedee5;border-radius:10px;padding:6px;box-shadow:0 8px 25px #20203006}.nav-hero input{flex:1;min-width:0;padding:10px 14px;outline:0;font-size:13px}.nav-hero button{background:#292934;color:white;border-radius:7px;padding:10px 23px;cursor:pointer;font-size:13px}.nav-section{padding:25px 0}.nav-section>div:first-child{display:flex;justify-content:space-between;align-items:center;margin-bottom:23px}.nav-section h2{font-size:19px;font-weight:600}.nav-section>div:first-child>span{font-size:11px;color:#999}.nav-adgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.nav-ad{position:relative;border:1px solid #ececf1;border-radius:12px;overflow:hidden;background:#fff;transition:transform .2s}.nav-ad:hover{transform:translateY(-3px);box-shadow:0 8px 20px #2020300a}.nav-ad img{width:100%;height:auto;aspect-ratio:320/180;object-fit:cover;background:#f2f2f5}.nav-ad>div:not(.nav-placeholder){padding:18px}.nav-ad b{font-size:14px;font-weight:600}.nav-ad span{display:block;font-size:10px;color:#aaa;margin-top:7px}.nav-ad i{position:absolute;bottom:24px;right:20px;font-style:normal}.nav-ad.banner{grid-column:1/-1}.nav-ad.banner img{aspect-ratio:5}.nav-ad.icon{display:flex;align-items:center;padding:16px}.nav-ad.icon img{width:64px;height:64px;aspect-ratio:1;border-radius:9px}.nav-placeholder{height:140px;display:grid;place-items:center;background:#f3f3f6;font-size:36px;color:#b4b4c0}.nav-ad.icon .nav-placeholder{height:64px;width:64px;font-size:24px;border-radius:9px}.nav-empty{border:1px dashed #e3e3e9;padding:65px 20px;text-align:center;border-radius:12px;color:#a0a0aa;font-size:13px}.nav-guides{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.nav-guides>a{display:block;border:1px solid #e8e8ee;padding:25px;border-radius:10px}.nav-guides small{font-size:10px;color:#aaa}.nav-guides h2,.nav-guides h3{font-size:17px;margin:12px 0;font-weight:600}.nav-guides p{font-size:12px;color:#999;line-height:1.9}.nav-guides span{font-size:11px;display:block;margin-top:20px;color:#555}.nav-public footer{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid #eee;margin-top:50px;padding:30px 0;font-size:10px;color:#aaa}.nav-article{max-width:800px;margin:60px auto;font-size:15px;line-height:2;color:#626271}.nav-article h1{font-size:34px;line-height:1.5;color:#292936;margin:20px 0}.nav-article small,.nav-article time{font-size:11px;color:#999}.nav-article section{margin:38px 0}.nav-article h2{font-size:21px;font-weight:600;color:#3b3b47}.nav-article a{color:#5b678f}.nav-article p{white-space:pre-line}.nav-article li{font-size:12px}@media (max-width:720px){.nav-public{padding:0 20px}.nav-public nav{gap:14px;font-size:11px}.nav-logo{font-size:15px}.nav-hero{padding:55px 0 35px}.nav-hero h1{font-size:29px}.nav-adgrid,.nav-guides{grid-template-columns:repeat(2,1fr);gap:12px}.nav-guides>a{padding:17px}.nav-guides h2,.nav-guides h3{font-size:15px}.nav-ad b{font-size:12px}.nav-ad>div:not(.nav-placeholder){padding:13px}.nav-ad i{right:12px}.nav-public footer{flex-wrap:wrap}.nav-ad.icon{padding:10px;display:block}.nav-article h1{font-size:27px}}.nav-ad.card .nav-placeholder{height:auto;aspect-ratio:320/180}.nav-ad.banner .nav-placeholder{height:auto;aspect-ratio:1200/240}.nav-home{max-width:none;padding:0;background:#f7f9fe;color:#182541;font-family:Arial,PingFang SC,sans-serif}.nav-wrap{width:min(1200px,calc(100% - 72px));margin:auto}.nav-blue{position:relative;overflow:hidden;background:linear-gradient(118deg,var(--nav-blue-start,#0924f8) 0,var(--nav-blue-mid,#075eff) 53%,var(--nav-blue-end,#12cde0) 100%);color:white}.nav-blue:after{content:"";width:900px;height:900px;right:-360px;top:-610px;border:1px solid #ffffff22;border-radius:50%;box-shadow:0 0 0 60px #ffffff06,0 0 0 120px #ffffff05,0 0 0 180px #ffffff04}.nav-blue:after,.nav-orbit{position:absolute;pointer-events:none}.nav-orbit{width:700px;height:700px;border:1px solid #ffffff18;border-radius:50%;left:-410px;top:0;box-shadow:0 0 0 50px #ffffff04,0 0 0 100px #ffffff04}.nav-home header{border:0;padding:30px 0;position:relative;z-index:1}.nav-home .nav-logo{font-size:22px;letter-spacing:-.7px}.nav-blue .nav-logo span{width:49px;height:49px;background:#ffffff20;box-shadow:inset 0 0 0 1px #ffffff30;border-radius:14px}.nav-logo small{display:block;font-weight:400;font-size:10px;letter-spacing:1px;margin-top:7px;opacity:.72}.nav-home nav{gap:32px;color:#fff}.nav-home nav a{display:flex;align-items:center;gap:8px;font-size:12px}.nav-home .nav-hero{text-align:left;display:grid;grid-template-columns:1.1fr 1fr;gap:70px;padding:44px 0 93px;align-items:center;position:relative;z-index:1}.nav-hero-copy>small{color:#d7e5ff;letter-spacing:2px;display:flex;align-items:center;gap:8px;font-size:10px}.nav-hero-copy>small>span{height:5px;width:5px;background:#87e7ff;border-radius:50%}.nav-home .nav-hero h1{font-size:48px;font-weight:750;line-height:1.4;margin:21px 0 18px;letter-spacing:-1.5px}.nav-home .nav-hero h1 em{font-style:normal;color:#a9edff}.nav-home .nav-hero p{font-size:13px;color:#d0e6ff;line-height:1.9;max-width:440px}.nav-home .nav-hero form{background:white;color:#6c7d98;border:0;box-shadow:0 12px 30px #071c9440;max-width:540px;margin:28px 0 0;padding:6px 6px 6px 16px;border-radius:12px;align-items:center}.nav-home .nav-hero input{color:#263453;font-size:13px;background:transparent}.nav-home .nav-hero button{background:#1762f7;display:flex;align-items:center;gap:7px;padding:13px 18px;white-space:nowrap}.nav-hints{display:flex;gap:12px;font-size:11px;color:#dcecff;align-items:center;margin-top:18px;flex-wrap:wrap}.nav-hints>span{opacity:.55}.nav-hints a{border:1px solid #ffffff25;padding:5px 10px;border-radius:5px}.nav-hero-art{height:310px;position:relative}.nav-artcard{position:absolute;border:1px solid #ffffff50;border-radius:24px;box-shadow:0 25px 70px #08209030;backdrop-filter:blur(10px)}.nav-art-back{width:205px;height:248px;background:linear-gradient(140deg,#8fe9ff,#d5f4ff);color:#1882ca;right:2px;top:0;transform:rotate(12deg);padding:27px}.nav-art-back span{display:block;font-size:12px;margin:14px 0}.nav-art-back b{font-size:42px;line-height:1}.nav-art-front{width:290px;padding:25px;background:linear-gradient(130deg,#ffffffee,#e9f9fff0);color:#1c3d75;left:5px;top:20px;transform:rotate(-7deg)}.nav-art-top{display:flex;justify-content:space-between;align-items:center}.nav-art-top>span{background:#227ffd;color:white;padding:10px;border-radius:13px}.nav-art-front>small{font-size:8px!important;letter-spacing:1.7px!important;color:#7f9fc5!important;display:block;margin-top:18px}.nav-art-front h2{font-size:22px;font-weight:700;line-height:1.5;margin:8px 0 16px}.nav-art-icons{display:flex;gap:10px}.nav-art-icons svg{background:#d9ecff;border-radius:10px;padding:10px;box-sizing:content-box;width:19px;height:19px;color:#2685e2}.nav-art-front>a{margin-top:19px;border-top:1px solid #c5dcf1;padding-top:14px;justify-content:space-between}.nav-art-badge,.nav-art-front>a{display:flex;align-items:center;font-size:12px}.nav-art-badge{position:absolute;bottom:-34px;right:12px;gap:9px;background:#fff;color:#2270cb;padding:15px 20px;box-shadow:0 10px 30px #062d7630;border-radius:12px;transform:rotate(3deg)}.nav-art-spark{font-size:40px;position:absolute;left:-28px;top:-24px;color:#b7f6ff;transform:rotate(15deg)}.nav-body,.nav-shortcuts{position:relative}.nav-shortcuts{display:grid;grid-template-columns:repeat(6,1fr);background:white;border-radius:16px;box-shadow:0 10px 25px #31458208;border:1px solid #eaf0fa;margin-top:-27px;z-index:2;padding:25px 10px}.nav-shortcuts a{display:flex;flex-direction:column;align-items:center;gap:11px;border-right:1px solid #eef2f8}.nav-shortcuts a:last-child{border:0}.nav-shortcuts a>span{width:52px;height:52px;display:grid;place-items:center;background:#eaf2ff;color:#307aef;border-radius:16px}.nav-shortcuts a:nth-child(2)>span{color:#4e67e9;background:#eeefff}.nav-shortcuts a:nth-child(3)>span{color:#10a7bb;background:#e7f8fb}.nav-shortcuts a:nth-child(4)>span{color:#b779e3;background:#f5eefe}.nav-shortcuts a:nth-child(5)>span{color:#e59934;background:#fff4df}.nav-shortcuts a:nth-child(6)>span{color:#35a17c;background:#e7f7ef}.nav-shortcuts b{font-size:13px;font-weight:600}.nav-shortcuts small{font-size:10px;color:#a1acbd}.nav-shortcuts .active b{color:#227ffd}.nav-home .nav-section{padding:38px 0 0;scroll-margin-top:20px}.nav-home .nav-section>.nav-sectionhead{display:flex;justify-content:space-between;align-items:end;margin-bottom:20px}.nav-sectionhead small{font-size:9px;letter-spacing:2px;color:#8397b5}.nav-home .nav-section h2{font-size:23px;margin-top:6px;font-weight:650}.nav-sectionhead>a{color:#7085a3;gap:5px}.nav-filter,.nav-sectionhead>a{font-size:12px;display:flex;align-items:center}.nav-filter{gap:8px;margin-bottom:22px;flex-wrap:wrap}.nav-filter>a{padding:8px 17px;border-radius:7px;color:#7587a4}.nav-filter>a.active{background:#227ffd;color:white;box-shadow:0 4px 12px #227ffd26}.nav-filter>span{margin-left:auto;color:#97a4b7;font-size:11px}.nav-home .nav-empty{background:#fff;border:1px dashed #dbe5f4;padding:42px 20px;color:#9cacc4;display:grid;justify-items:center;gap:10px}.nav-empty h3{font-size:16px;color:#617592;font-weight:500}.nav-empty p,.nav-empty>a{font-size:12px}.nav-empty>a{color:#227ffd}.nav-home .nav-ad{border-color:#e6ecf6}.nav-home .nav-placeholder{background:linear-gradient(130deg,#edf4ff,#e8f7ff);color:#8abbf2}.nav-home .nav-guides>a{background:white;border-color:#e6ecf6}.nav-home .nav-guides>a>span{display:flex;align-items:center;gap:7px;color:#227ffd}.nav-guide-empty{display:flex;align-items:center;gap:18px;background:#eef3fb;border-radius:12px;padding:25px 30px;color:#8aa3c9}.nav-guide-empty h3{font-size:14px;color:#697f9f;margin-bottom:7px}.nav-guide-empty p{font-size:12px}.nav-bottom-banner{margin-top:38px;background:linear-gradient(105deg,#e6efff,#e8f9ff);padding:28px 34px;border-radius:14px;display:flex;align-items:center;justify-content:space-between}.nav-bottom-banner small{font-size:9px;letter-spacing:2px;color:#7f9bbe}.nav-bottom-banner h2{font-size:21px;font-weight:600;margin:8px 0}.nav-bottom-banner p{font-size:12px;color:#8395b0}.nav-bottom-banner>a{font-size:12px;color:#337cda;background:white;padding:12px 20px;border-radius:8px}.nav-home footer{margin-top:30px;border-color:#e3eaf5;padding:28px 0 35px;color:#8595ae}.nav-home footer .nav-logo{font-size:16px;color:#657c9e}.nav-home footer .nav-logo span{background:#e6eeff;color:#5084d4}.nav-home footer>div{text-align:right}.nav-home footer p{margin-bottom:7px}@media(max-width:1000px){.nav-home .nav-hero{gap:20px;grid-template-columns:1.2fr 1fr}.nav-home .nav-hero h1{font-size:39px}.nav-art-front{width:250px}.nav-art-back{width:175px}.nav-art-badge{right:-10px}.nav-hero-art{transform:scale(.9)}}@media(max-width:720px){.nav-wrap{width:calc(100% - 32px)}.nav-home header{padding:20px 0}.nav-home .nav-logo{font-size:18px}.nav-blue .nav-logo span{width:42px;height:42px;border-radius:12px}.nav-logo small{font-size:8px}.nav-home nav{gap:15px}.nav-home nav a{flex-direction:column;gap:5px;font-size:9px}.nav-home nav a:last-child{display:none}.nav-home .nav-hero{display:block;padding:34px 0 57px}.nav-home .nav-hero h1{font-size:36px;margin:16px 0;letter-spacing:-1px}.nav-home .nav-hero p{font-size:12px}.nav-hero-art{display:none}.nav-home .nav-hero form{margin-top:24px}.nav-shortcuts{grid-template-columns:repeat(3,1fr);row-gap:24px;padding:22px 5px}.nav-shortcuts a:nth-child(3){border:0}.nav-shortcuts a>span{width:43px;height:43px;border-radius:13px}.nav-shortcuts b{font-size:12px}.nav-shortcuts small{display:none}.nav-home .nav-section h2{font-size:20px}.nav-home .nav-section{padding-top:30px}.nav-filter{gap:3px}.nav-filter>a{padding:7px 10px;font-size:11px}.nav-filter>span{display:none}.nav-bottom-banner{padding:23px;gap:12px}.nav-bottom-banner h2{font-size:16px;line-height:1.7}.nav-bottom-banner>a{white-space:nowrap;padding:10px}.nav-home footer{align-items:start}.nav-home footer>div{text-align:left}.nav-guide-empty{padding:23px}.nav-home .nav-empty{padding:36px 18px}}