:root{--blue:#246cf2;--sky:#44b8ff;--green:#27b886;--violet:#765ce7;--orange:#f59a3c;--ink:#14213b;--muted:#68758b;--line:#e0e7f1;--soft:#f4f7fb;--navy:#0a1935;--shadow:0 18px 48px rgba(35,61,103,.13)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;line-height:1.68;background:#fff}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.container{width:min(1180px,calc(100% - 40px));margin:auto}
.header{position:sticky;top:0;z-index:100;height:70px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.95);backdrop-filter:blur(15px)}.nav{height:100%;display:flex;align-items:center;gap:32px}.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:900}.logo{width:39px;height:39px;display:grid;place-items:center;color:#fff;border-radius:10px;background:linear-gradient(145deg,var(--sky),var(--blue));box-shadow:0 8px 20px rgba(36,108,242,.25)}.navlinks{display:flex;gap:27px;margin-left:auto;color:#4c5a70;font-size:14px}.navlinks a:hover,.navlinks .active{color:var(--blue)}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;border:1px solid transparent;border-radius:10px;font-weight:800;transition:.2s}.primary{color:#fff;background:var(--blue);box-shadow:0 10px 22px rgba(36,108,242,.23)}.primary:hover{transform:translateY(-2px);background:#1559d3}.outline{color:var(--blue);border-color:#bed2f8;background:#fff}.white{color:var(--blue);background:#fff}.ghost{color:#fff;border-color:rgba(255,255,255,.38);background:rgba(255,255,255,.08)}
.hero{position:relative;overflow:hidden;padding:84px 0 72px;background:linear-gradient(135deg,#eef5ff,#fff 55%,#eefaf6)}.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(36,108,242,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(36,108,242,.04) 1px,transparent 1px);background-size:54px 54px}.hero-grid{position:relative;display:grid;grid-template-columns:.9fr 1.1fr;align-items:center;gap:52px}.tag{display:inline-flex;align-items:center;gap:8px;padding:7px 13px;color:#155ed5;border:1px solid #cfdef8;border-radius:999px;background:#f8fbff;font-size:12px;font-weight:900}.tag:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px rgba(39,184,134,.12)}h1{margin:18px 0 15px;font-size:clamp(42px,5.2vw,64px);line-height:1.12;letter-spacing:-2px}.hero h1 span{color:var(--blue)}.lead{margin:0 0 28px;color:var(--muted);font-size:18px}.actions{display:flex;flex-wrap:wrap;gap:12px}.requirements{display:flex;flex-wrap:wrap;gap:17px;margin:20px 0 0;padding:0;list-style:none;color:#637087;font-size:12px}.requirements li:before{content:"✓";margin-right:6px;color:var(--green);font-weight:900}
.matrix{position:relative;min-height:470px;padding:65px 18px 18px;border:1px solid #dbe4f0;border-radius:20px;background:#fff;box-shadow:var(--shadow)}.matrix:before{content:"团队日历　　2026 年 7 月　　‹　今天　›";position:absolute;left:0;right:0;top:0;height:52px;padding:15px 20px;color:#4f5e75;border-bottom:1px solid var(--line);background:#f6f8fb;border-radius:20px 20px 0 0;font-size:13px;font-weight:800}.matrix:after{content:"一　　　 二　　　 三　　　 四　　　 五";position:absolute;left:30px;right:30px;top:71px;height:28px;color:#8793a6;border-bottom:1px solid var(--line);font-size:11px;text-align:center;word-spacing:14px}.matrix-ring{position:absolute;inset:100px 25px 25px;border-radius:10px;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:20% 25%;background-color:#fcfdff}.matrix-core{position:absolute;z-index:3;left:50%;top:55%;width:148px;min-height:105px;padding:17px;display:grid;place-items:center;transform:translate(-50%,-50%);color:#fff;text-align:center;border-radius:13px;background:var(--blue);box-shadow:0 14px 32px rgba(36,108,242,.28);font-size:16px;font-weight:900}.device{position:absolute;z-index:2;width:150px;padding:12px 14px;border:1px solid #dce5ef;border-left:4px solid var(--blue);border-radius:9px;background:#fff;box-shadow:0 8px 20px rgba(42,62,95,.1)}.device b{display:block;color:#263753;font-size:14px}.device small{color:var(--muted);font-size:10px}.device i{display:none}.d1{left:45px;top:120px;border-left-color:var(--violet)}.d2{right:35px;top:150px;border-left-color:var(--orange)}.d3{left:70px;bottom:45px;border-left-color:var(--green)}.d4{right:55px;bottom:55px;border-left-color:var(--sky)}
.trust{padding:24px 0;border-bottom:1px solid var(--line)}.trust-in{display:flex;align-items:center;justify-content:space-between;gap:25px}.brands{display:flex;flex-wrap:wrap;gap:28px;color:#536177;font-weight:900}.section{padding:90px 0}.soft{background:var(--soft)}.dark{color:#fff;background:linear-gradient(135deg,#091a37,#10366c)}.head{max-width:740px;margin:0 auto 44px;text-align:center}.eyebrow{color:var(--blue);font-size:12px;font-weight:900;letter-spacing:1.4px}.dark .eyebrow{color:#5bd2ff}.head h2,.copy h2{margin:8px 0 11px;font-size:clamp(30px,4vw,43px);line-height:1.23;letter-spacing:-1px}.head p,.copy>p{margin:0;color:var(--muted)}.dark .head p{color:#b9c9df}
.download-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px}.card{position:relative;overflow:hidden;padding:25px;border:1px solid var(--line);border-radius:15px;background:#fff;transition:.22s}.card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--blue)}.card:nth-child(2):before{background:var(--violet)}.card:nth-child(3):before{background:var(--green)}.card:nth-child(4):before{background:var(--orange)}.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}.os{width:53px;height:53px;display:grid;place-items:center;margin-bottom:17px;color:#fff;border-radius:12px;background:var(--blue);font-size:21px;font-weight:900}.card h3{margin:0 0 2px;font-size:21px}.version{color:var(--blue);font-size:12px;font-weight:800}.meta{margin:16px 0;padding:13px 0;border-top:1px dashed var(--line);border-bottom:1px dashed var(--line)}.meta div{display:flex;justify-content:space-between;gap:10px;margin:5px 0;color:var(--muted);font-size:12px}.meta span:last-child{text-align:right;color:#34435c}.card .btn{width:100%}
.feature-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:15px}.feature{position:relative;padding:52px 19px 23px;border:1px solid var(--line);border-radius:14px;background:#fff;transition:.2s}.feature:before{content:"09:00";position:absolute;left:0;right:0;top:0;padding:8px 14px;color:#728096;border-bottom:1px solid var(--line);background:#f7f9fc;font-size:10px}.feature:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.icon{width:48px;height:48px;display:grid;place-items:center;margin-bottom:16px;color:#fff;border-radius:11px;background:var(--blue);font-weight:900}.feature:nth-child(2) .icon{background:var(--violet)}.feature:nth-child(2):before{content:"10:30"}.feature:nth-child(3) .icon{background:var(--green)}.feature:nth-child(3):before{content:"13:30"}.feature:nth-child(4) .icon{background:var(--orange)}.feature:nth-child(4):before{content:"15:00"}.feature:nth-child(5) .icon{background:#df5b7f}.feature:nth-child(5):before{content:"17:30"}.feature h3{margin:0 0 6px;font-size:17px}.feature p{margin:0;color:var(--muted);font-size:13px}
.split{display:grid;grid-template-columns:1fr 1.05fr;align-items:center;gap:65px}.points{display:grid;gap:13px;margin:27px 0}.point{display:flex;gap:11px}.check{flex:0 0 24px;height:24px;display:grid;place-items:center;color:#fff;border-radius:7px;background:var(--blue);font-size:12px}.visual{position:relative;padding:48px 12px 12px;border:1px solid var(--line);border-radius:17px;background:#fff;box-shadow:var(--shadow)}.visual:before{content:"团队日历　 日程　 会议　 文档　 待办　 + 新建";position:absolute;left:0;right:0;top:0;height:37px;padding:9px 14px;color:#65738a;border-bottom:1px solid var(--line);border-radius:17px 17px 0 0;background:#f5f7fa;font-size:11px}.visual>img{width:100%;border-radius:8px}.thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:10px 3px 0}.thumbs img{width:100%;height:82px;object-fit:cover;border-radius:8px;box-shadow:0 6px 16px rgba(24,45,82,.1)}
.case-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:22px}.case-main{position:relative;overflow:hidden;border-radius:18px}.case-main img{width:100%;height:100%;min-height:410px;object-fit:cover}.case-main div{position:absolute;inset:auto 0 0;padding:75px 27px 25px;background:linear-gradient(transparent,rgba(2,13,33,.95))}.case-main h3{margin:3px 0;font-size:24px}.case-main p{margin:0;color:#d3e3f7}.cases{display:grid;gap:12px}.cases article{display:grid;grid-template-columns:43px 1fr auto;align-items:center;gap:13px;padding:17px;border:1px solid rgba(75,178,255,.18);border-radius:13px;background:rgba(255,255,255,.055)}.cases b{width:43px;height:43px;display:grid;place-items:center;border-radius:10px;background:var(--blue)}.cases h3{margin:0;font-size:15px}.cases span{color:#58d3ff;font-size:11px}
.content-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px}.news-list{display:grid;gap:12px}.news{display:grid;grid-template-columns:112px 1fr;align-items:center;overflow:hidden;border:1px solid var(--line);border-radius:14px;background:#fff}.news img{width:100%;height:100px;object-fit:cover}.news div{padding:13px 16px}.news small{color:var(--blue);font-weight:800}.news h3{margin:2px 0;font-size:16px}.news p{margin:0;color:var(--muted);font-size:12px}.faq{display:grid;gap:10px}details{border:1px solid var(--line);border-radius:13px;background:#fff}summary{padding:16px 18px;cursor:pointer;list-style:none;font-size:14px;font-weight:800}summary:after{content:"+";float:right;color:var(--blue);font-size:18px}details[open] summary:after{content:"−"}details p{margin:0;padding:0 18px 17px;color:var(--muted);font-size:13px}
.cta{position:relative;overflow:hidden;padding:65px 25px;color:#fff;text-align:center;border-radius:20px;background:linear-gradient(135deg,#155fd8,#277df0)}.cta:before{content:"今天　09:00 沟通　10:30 会议　13:30 文档　15:00 审批　17:30 总结";position:absolute;left:25px;right:25px;top:14px;padding:6px;border-radius:8px;background:rgba(255,255,255,.1);color:rgba(255,255,255,.72);font-size:11px}.cta h2{margin:0 0 7px;font-size:clamp(30px,4vw,43px)}.cta p{margin:0 0 20px;color:#dfebff}.benefits{display:flex;flex-wrap:wrap;justify-content:center;gap:18px;margin-bottom:24px;font-size:13px}.benefits span:before{content:"✓";margin-right:6px}.cta .actions{justify-content:center}
.page-hero{padding:75px 0 64px;text-align:center;background:linear-gradient(180deg,#edf5ff,#fff)}.page-hero h1{margin:13px 0 9px}.page-hero p{max-width:700px;margin:auto;color:var(--muted)}.quick{justify-content:center;margin-top:24px}.tip{margin-top:23px;padding:17px 19px;border:1px solid var(--line);border-radius:13px;background:#f8faff;color:var(--muted);font-size:13px;scroll-margin-top:90px}.help-layout{display:grid;grid-template-columns:245px 1fr;gap:36px;align-items:start}.helpnav{position:sticky;top:93px;padding:15px;border:1px solid var(--line);border-radius:14px;background:#fff}.helpnav strong{display:block;padding:8px 10px 12px}.helpnav a{display:block;padding:9px 10px;color:var(--muted);border-radius:8px;font-size:13px}.helpnav a:hover{color:var(--blue);background:#edf4ff}.faq-section{margin-bottom:34px;scroll-margin-top:94px}.faq-section h2{font-size:25px}.search{display:flex;max-width:630px;margin:23px auto 0;padding:7px;border:1px solid var(--line);border-radius:13px;background:#fff;box-shadow:var(--shadow)}.search input{flex:1;min-width:0;padding:0 13px;border:0;outline:0;background:transparent;font:inherit}
.footer{padding:48px 0 23px;color:#a8bad3;background:#07162e}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:42px}.footer .brand{color:#fff}.footer p{max-width:330px;font-size:13px}.footcol strong{display:block;margin-bottom:11px;color:#fff}.footcol a{display:block;margin:7px 0;font-size:13px}.footcol a:hover{color:#fff}.copyright{margin-top:32px;padding-top:19px;border-top:1px solid rgba(255,255,255,.1);text-align:center;font-size:12px}
@media(max-width:950px){.navlinks{display:none}.nav>.btn{margin-left:auto}.hero-grid,.split,.case-grid,.content-grid{grid-template-columns:1fr}.download-grid{grid-template-columns:repeat(2,1fr)}.feature-grid{grid-template-columns:repeat(3,1fr)}.help-layout{grid-template-columns:1fr}.helpnav{position:static}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.container{width:min(100% - 28px,1180px)}.header{height:64px}.nav>.btn{min-height:38px;padding:0 12px;font-size:12px}.hero{padding:60px 0}h1{font-size:39px}.section{padding:64px 0}.download-grid,.feature-grid{grid-template-columns:1fr}.trust-in{align-items:flex-start;flex-direction:column}.brands{gap:15px}.matrix{min-height:430px}.matrix:before{font-size:10px;padding:16px 10px}.matrix:after{left:12px;right:12px;word-spacing:0}.matrix-ring{inset:100px 10px 16px}.device{width:112px;padding:8px}.d1{left:18px;top:122px}.d2{right:8px;top:145px}.d3{left:28px;bottom:34px}.d4{right:15px;bottom:22px}.matrix-core{width:105px;min-height:90px}.cases article{grid-template-columns:40px 1fr}.cases article>span{display:none}.news{grid-template-columns:88px 1fr}.footer-grid{grid-template-columns:1fr}.cta{padding:58px 17px 48px}.cta:before{left:10px;right:10px;font-size:9px}.visual:before{font-size:9px;padding:10px 7px}}

/* AI meeting-minutes theme */
:root{--blue:#5d55e8;--sky:#35b9ee;--violet:#8d59e8;--soft:#f6f4fb}.logo,.primary{background:linear-gradient(135deg,#6359ed,#425fe5)}.hero{background:linear-gradient(135deg,#f3f1ff,#fff 52%,#eef9ff)}.hero:before{background-image:radial-gradient(circle at 1px 1px,rgba(93,85,232,.08) 1px,transparent 0);background-size:24px 24px}.tag{color:#5a50db;border-color:#ddd8fb;background:#faf9ff}.matrix{padding-top:65px;border-color:#dddff0;border-radius:18px;background:#fffdf9;box-shadow:0 24px 60px rgba(53,55,102,.15)}.matrix:before{content:"AI 智能会议纪要　　项目周会 · 45:28　　生成完成 ✓";color:#4b4d66;border-color:#e2e2eb;background:#f5f4fa}.matrix:after{content:"实时转写　　　智能摘要　　　行动项　　　参会人";left:25px;right:25px;top:68px;color:#77778c;border-color:#e5e4ed;text-align:left;word-spacing:8px}.matrix-ring{inset:100px 24px 24px;border:0;border-radius:8px;background:repeating-linear-gradient(#fffdf9 0,#fffdf9 31px,#e9e7ee 32px)}.matrix-core{top:56%;width:160px;min-height:112px;border-radius:12px;background:linear-gradient(135deg,#695cef,#4d6bea);box-shadow:0 14px 34px rgba(93,85,232,.28)}.device{width:170px;border:1px solid #e0dfea;border-left:4px solid var(--violet);border-radius:8px;background:#fff;box-shadow:0 7px 18px rgba(46,46,78,.09)}.device b{color:#3b3d53}.d1{left:38px;top:120px}.d2{right:28px;top:138px;border-left-color:var(--sky)}.d3{left:58px;bottom:42px;border-left-color:#27b886}.d4{right:44px;bottom:48px;border-left-color:#f59a3c}.card:before{background:var(--violet)}.feature:before{content:"00:05"}.feature:nth-child(2):before{content:"08:42"}.feature:nth-child(3):before{content:"18:16"}.feature:nth-child(4):before{content:"31:08"}.feature:nth-child(5):before{content:"43:27"}.visual:before{content:"会议纪要　 实时转写　 智能摘要　 行动项　 参会人　 导出";background:#f4f3f8}.dark{background:linear-gradient(135deg,#171731,#282451)}.cta{background:linear-gradient(135deg,#5049d6,#6c59e9)}.cta:before{content:"AI 已生成：会议摘要 · 关键结论 · 6 项待办 · 负责人 · 截止时间"}.page-hero{background:linear-gradient(180deg,#f0efff,#fff)}.footer{background:#111127}
@media(max-width:620px){.matrix:after{content:"转写　摘要　行动项";left:12px;right:12px;word-spacing:0}.device{width:125px}.d1{left:12px;top:118px}.d2{right:7px;top:145px}.d3{left:20px;bottom:30px}.d4{right:10px;bottom:22px}.matrix-core{width:110px}.visual:before{content:"纪要　转写　摘要　行动项";font-size:9px}}

/* Transparent acrylic workspace theme */
:root{--blue:#2d7df4;--sky:#54d6ff;--violet:#8b65f0;--soft:#eef4fb;--line:rgba(255,255,255,.65);--shadow:0 26px 70px rgba(24,63,118,.2)}
body{background:linear-gradient(135deg,#d8e9fb,#eef5ff 44%,#e7e1fa);background-attachment:fixed}.header{border-color:rgba(255,255,255,.75);background:rgba(246,250,255,.62);box-shadow:0 8px 30px rgba(29,62,110,.08);backdrop-filter:blur(26px) saturate(140%)}.logo{border:1px solid rgba(255,255,255,.65);border-radius:11px;background:linear-gradient(145deg,rgba(84,214,255,.9),rgba(45,125,244,.93),rgba(139,101,240,.88));box-shadow:0 10px 24px rgba(45,125,244,.28)}.btn{border:1px solid rgba(255,255,255,.7);border-radius:11px;backdrop-filter:blur(16px)}.primary{background:linear-gradient(135deg,rgba(45,134,247,.92),rgba(82,91,231,.92))}.outline{border-color:rgba(65,118,214,.2);background:rgba(255,255,255,.48)}
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