:root{--blue:#21bde7;--blue2:#3a7fd5;--purple:#5446bb;--ink:#202638;--muted:#68738a;--line:#e7ebf2;--soft:#f7f9fc;--shadow:0 14px 40px rgba(31,59,104,.1)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.container{width:min(1160px,calc(100% - 40px));margin:auto}.narrow{max-width:820px}.header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.97);border-bottom:1px solid rgba(226,232,240,.65);box-shadow:0 3px 16px rgba(28,49,80,.045);backdrop-filter:blur(12px)}.header-inner{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:32px}.logo{display:flex;align-items:center;gap:10px;min-width:155px;color:#1d4c74}.logo-mark{width:43px;height:43px;display:grid;place-items:center;border-radius:50% 45% 50% 40%;background:linear-gradient(135deg,#5f4fd0,#24c8e8);color:#fff;font-size:25px;font-weight:950;font-style:italic;transform:skew(-8deg);box-shadow:0 7px 18px rgba(38,186,225,.22)}.logo b{display:block;font-size:15px;line-height:1.15}.logo small{display:block;color:#3a7594;font-size:9px;letter-spacing:.5px;line-height:1.2}.nav{display:flex;align-items:center;justify-content:flex-end;gap:2px}.nav a{padding:10px 13px;color:#20242b;font-size:14px;font-weight:650;white-space:nowrap;border-radius:999px;transition:.2s}.nav a:hover{color:#159ec8;background:#eefaff}.nav .nav-enter{margin-left:13px;padding:10px 24px;color:#fff;background:linear-gradient(135deg,#35cff0,#1cb7e7);box-shadow:0 8px 20px rgba(31,189,230,.24)}
.screenshot-hero{position:relative;min-height:570px;overflow:hidden;background:linear-gradient(108deg,#5744ba 0%,#3e73c7 52%,#13b5c4 100%);color:#fff}.screenshot-hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 18%,rgba(255,255,255,.08),transparent 34%)}.screenshot-hero-inner{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;text-align:center;padding:78px 35px 145px}.hero-kicker{display:none;font-size:10px;letter-spacing:2.5px;font-weight:850;opacity:.8}.screenshot-hero h1{margin:0;font-size:clamp(39px,4vw,55px);line-height:1.2;letter-spacing:.02em;text-shadow:0 3px 15px rgba(26,52,113,.16)}.screenshot-hero p{max-width:1120px;margin:29px auto 24px;font-size:clamp(16px,1.65vw,22px);font-weight:700;line-height:1.5;text-shadow:0 2px 7px rgba(32,51,104,.16)}.hero-button-grid{display:grid;grid-template-columns:repeat(2,176px);gap:22px 30px;margin-top:4px}.hero-button-grid a{display:flex;align-items:center;justify-content:center;min-height:52px;padding:10px 20px;border-radius:999px;background:linear-gradient(135deg,#37d2f3,#27c0eb);color:#fff;font-size:17px;font-weight:650;box-shadow:0 10px 25px rgba(12,104,171,.18),inset 0 1px 0 rgba(255,255,255,.22);transition:.22s}.hero-button-grid a:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(12,104,171,.27)}.hero-waves{position:absolute;z-index:1;left:0;right:0;bottom:-2px;height:132px}.hero-waves svg{width:100%;height:100%;display:block}.wave-back{fill:rgba(255,255,255,.55)}.wave-mid{fill:rgba(239,239,255,.78)}.wave-front{fill:#fff}.floating-help{position:absolute;z-index:5;right:22px;top:47%;display:flex;flex-direction:column;align-items:center;color:#fff;font-weight:900;transform:rotate(9deg)}.floating-help small{font-size:10px;margin-bottom:-2px}.floating-help span{width:48px;height:48px;display:grid;place-items:center;border:7px solid #fff;border-radius:50%;background:#2d61be;color:#fff;font-size:22px;box-shadow:0 8px 20px rgba(23,63,137,.25)}
.quick-section,.section{padding:82px 0}.section-soft{background:var(--soft);border-top:1px solid #eef1f6;border-bottom:1px solid #eef1f6}.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:34px}.section-head.centered{justify-content:center;text-align:center}.section-head h2{margin:0;font-size:clamp(30px,3.6vw,43px);line-height:1.2;color:#202a3e}.section-head p{margin:10px auto 0;color:var(--muted)}.eyebrow{display:block;color:#24b8df;font-size:11px;font-weight:900;letter-spacing:2.2px;margin-bottom:8px}.text-link,.card-link{color:#18a9d2;font-weight:750}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:19px}.card{position:relative;min-height:258px;padding:28px 24px;border:1px solid var(--line);border-radius:17px;background:#fff;box-shadow:0 8px 28px rgba(33,66,112,.055);transition:.22s}.card:hover{transform:translateY(-5px);border-color:#b9eaf5;box-shadow:var(--shadow)}.card .icon{width:47px;height:47px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(135deg,#eef0ff,#ddf8ff);color:#2c9ec2;font-size:12px;font-weight:900}.card h3{margin:20px 0 9px;font-size:18px}.card p{margin:0;color:var(--muted);font-size:13px}.card-link{position:absolute;left:24px;bottom:22px;font-size:12px}.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.news-card{display:flex;flex-direction:column;min-height:245px;padding:24px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 7px 24px rgba(33,66,112,.045);transition:.2s}.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.tag{display:inline-flex;align-self:flex-start;padding:4px 10px;border-radius:999px;background:#e9faff;color:#159fc6;font-size:10px;font-weight:850}.news-card h3{font-size:17px;line-height:1.45;margin:16px 0 8px}.news-card p{margin:0;color:var(--muted);font-size:12px}.news-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:20px;color:#8993a6;font-size:10px}.news-meta a{color:#18a9d2;font-weight:750}.faq{display:grid;gap:12px}.faq details{padding:0 19px;border:1px solid var(--line);border-radius:13px;background:#fff;box-shadow:0 5px 18px rgba(33,66,112,.035)}.faq summary{cursor:pointer;padding:17px 0;font-weight:800;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";float:right;color:#20b7dc}.faq details[open] summary:after{content:"−"}.faq details p{color:var(--muted);font-size:13px;margin:0 0 17px}
.page-hero,.article-hero{padding:88px 0 70px;color:#fff;background:linear-gradient(110deg,#5744ba,#3678cc 55%,#17b5c5);position:relative;overflow:hidden}.page-hero:after,.article-hero:after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;right:-170px;top:-260px;background:rgba(255,255,255,.08)}.page-hero h1,.article-hero h1{position:relative;z-index:1;margin:0;font-size:clamp(38px,5vw,58px)}.page-hero p,.article-hero .lead{position:relative;z-index:1;color:rgba(255,255,255,.88);font-size:17px}.article-hero .tag{background:rgba(255,255,255,.18);color:#fff}.article-hero time{display:block;margin-top:16px;color:rgba(255,255,255,.72);font-size:12px}.article{padding:68px 0}.prose{color:#4b576d}.prose h2{color:#243047;font-size:25px;margin:37px 0 10px}.prose h2:first-child{margin-top:0}.prose a{color:#16a7cf}.prose ol,.prose ul{padding-left:23px}.notice{padding:17px 19px;margin:24px 0;border:1px solid #c6edf6;border-left:3px solid #22bade;border-radius:10px;background:#f0fbfe;color:#42677a}.list{display:grid;gap:14px}.list-item{padding:22px;border:1px solid var(--line);border-radius:15px;background:#fff;box-shadow:0 6px 20px rgba(33,66,112,.04)}.list-item h2{margin:9px 0 5px;font-size:20px}.list-item p{margin:0;color:var(--muted)}.actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:25px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:47px;padding:10px 23px;border:0;border-radius:999px;color:#fff;background:linear-gradient(135deg,#34cdf0,#22b8e4);font-weight:800;box-shadow:0 9px 24px rgba(26,175,218,.22)}.btn-ghost{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);box-shadow:none}.footer{padding:60px 0 20px;background:#172038;color:#aeb8cc}.footer-grid{display:grid;grid-template-columns:1.6fr .7fr .7fr;gap:55px}.footer .logo{color:#fff}.footer .logo-mark{background:linear-gradient(135deg,#6656cd,#28c6e7)}.footer-grid h3{color:#fff;font-size:14px}.footer-grid p{font-size:12px}.footer-grid a:hover{color:#fff}.copyright{display:flex;justify-content:space-between;gap:20px;margin-top:38px;padding-top:19px;border-top:1px solid rgba(255,255,255,.1);font-size:10px;color:#7f8ba3}
@media(max-width:1020px){.header-inner{min-height:76px}.nav a{padding:9px 8px;font-size:12px}.nav .nav-enter{padding:9px 16px;margin-left:5px}.feature-grid{grid-template-columns:repeat(2,1fr)}.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.header{position:relative}.header-inner{padding:11px 0;align-items:flex-start;flex-direction:column;gap:8px}.nav{width:100%;overflow-x:auto;justify-content:flex-start;padding-bottom:3px}.nav a{white-space:nowrap}.nav .nav-enter{margin-left:0}.screenshot-hero{min-height:590px}.screenshot-hero-inner{padding:57px 10px 145px}.hero-kicker{display:block;margin-bottom:13px}.screenshot-hero h1{font-size:38px}.screenshot-hero p{margin-top:22px;font-size:15px;line-height:1.65}.hero-button-grid{grid-template-columns:repeat(2,minmax(0,150px));gap:15px}.hero-button-grid a{font-size:14px;min-height:47px}.floating-help{right:9px;top:58%}.floating-help span{width:42px;height:42px;border-width:6px}.section,.quick-section{padding:64px 0}.section-head{align-items:flex-start;flex-direction:column}.feature-grid,.news-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:24px}.copyright{flex-direction:column}.page-hero,.article-hero{padding:65px 0 53px}}
@media(max-width:390px){.container{width:min(100% - 26px,1160px)}.screenshot-hero h1{font-size:33px}.hero-button-grid{grid-template-columns:repeat(2,minmax(0,1fr));width:100%;gap:12px}.hero-button-grid a{padding:9px 7px}.floating-help{display:none}}


/* Image-rich homepage additions */
.screenshot-hero-inner{position:relative;z-index:2}
.hero-photo{position:absolute;z-index:1;right:4%;bottom:78px;width:min(31vw,390px);opacity:.23;filter:saturate(1.2) drop-shadow(0 22px 40px rgba(10,27,74,.22));pointer-events:none}
.hero-photo img{display:block;width:100%;height:auto;border-radius:28px;mix-blend-mode:screen}
.media-card{padding:0;overflow:hidden;display:flex;flex-direction:column}
.media-card .card-media{display:block;width:100%;height:205px;object-fit:cover;background:#eef4fb;transition:transform .45s ease}
.media-card:hover .card-media{transform:scale(1.045)}
.media-card .card-body{padding:22px 24px 25px;display:flex;flex:1;flex-direction:column}
.media-card .card-body p{flex:1}
@media(max-width:980px){.hero-photo{right:-5%;width:330px;opacity:.16}.media-card .card-media{height:190px}}
@media(max-width:760px){.hero-photo{display:none}.media-card .card-media{height:220px}}
