:root{--paper:#f3f4f5;--white:#fff;--ink:#1d252c;--muted:#667078;--navy:#243b53;--blue:#356e9f;--orange:#e9763d;--line:#d9dde0;--shadow:0 18px 48px rgba(30,41,50,.1)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#f2f3f4;font-family:Inter,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input{font:inherit}.container{width:min(1200px,calc(100% - 40px));margin:auto}
.announcement{min-height:38px;display:flex;align-items:center;justify-content:center;padding:7px 20px;color:#edf1f3;background:#202a31;border-bottom:1px solid #0f1417;font-size:12px;letter-spacing:.04em}.announcement b{margin-right:12px;padding:2px 10px;color:#fff;background:var(--orange);border-radius:2px}.announcement a{margin-left:16px;color:#bfd5e6;border-bottom:1px solid #748b9d}
.header{position:sticky;top:0;z-index:30;height:74px;background:rgba(255,255,255,.94);border-bottom:1px solid #d4d9dd;backdrop-filter:blur(18px);box-shadow:0 6px 20px rgba(30,42,50,.06)}.nav{height:100%;display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:11px;font-size:19px;font-weight:900;letter-spacing:-.03em}.logo-mark{position:relative;width:32px;height:32px;border:1px solid #aab2b8;background:#f4f5f5;border-radius:3px;box-shadow:inset 0 0 0 5px #e4e7e9}.logo-mark:after{content:"";position:absolute;inset:10px;border-radius:50%;background:var(--orange)}.navlinks{height:100%;display:flex;align-items:center;gap:4px}.navlinks a{height:100%;display:flex;align-items:center;padding:0 14px;color:#536069;border-bottom:2px solid transparent;font-size:13px}.navlinks a:hover,.navlinks a.active{color:#1e2f3c;border-color:var(--navy);background:#f7f8f8}.actions{display:flex;gap:9px}.btn{min-height:48px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;color:#2b3943;background:#fff;border:1px solid #c8ced2;border-radius:4px;box-shadow:0 4px 12px rgba(31,44,52,.07);font-size:14px;font-weight:800;cursor:pointer;transition:.2s}.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(31,44,52,.13)}.btn-dark{color:#fff;background:var(--navy);border-color:#182d3d}.btn-orange{color:#fff;background:var(--orange);border-color:#c85c28}.btn-sm{min-height:40px;padding:0 16px}
.hero{position:relative;padding:88px 0 68px;overflow:hidden;background:linear-gradient(115deg,#fff 0 58%,#eceeef 58%);border-bottom:1px solid #d5dade}.hero:before{content:"";position:absolute;width:640px;height:640px;right:-210px;top:-300px;border-radius:50%;border:1px solid #c8ced2;box-shadow:0 0 0 70px rgba(92,109,120,.025),0 0 0 140px rgba(92,109,120,.018)}.hero:after{content:"REMOTE / BUSINESS / CONNECT";position:absolute;right:-25px;bottom:-35px;color:rgba(41,60,74,.05);font-size:68px;font-weight:900}.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:.93fr 1.07fr;gap:68px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:9px;color:#4e6678;font-size:10px;font-weight:900;letter-spacing:.18em;text-transform:uppercase}.eyebrow:before{content:"";width:30px;height:2px;background:var(--orange)}.hero h1{margin:21px 0 26px;font-size:clamp(52px,6.2vw,84px);line-height:1.02;letter-spacing:-.065em}.hero h1 span{color:#3b607b}.lead{max-width:610px;color:#5f6971;font-size:18px}.hero-actions{display:flex;gap:11px;margin:33px 0 16px}.micro{color:#7e878e;font-size:11px}.visual{position:relative;padding:16px}.visual-frame{position:relative;padding:38px 10px 10px;border:1px solid #adb5bb;border-radius:5px;background:#f8f9f9;box-shadow:var(--shadow)}.visual-frame:before{content:"向日葵 · 商务控制台 · AI 画质增强";position:absolute;top:10px;left:18px;color:#66737c;font-size:10px;font-weight:800}.visual-frame:after{content:"●  ●  ●";position:absolute;top:8px;right:18px;color:#89949b;font-size:9px;letter-spacing:4px}.visual-frame img{width:100%;aspect-ratio:3/2;object-fit:cover;border:1px solid #c1c7cb;border-radius:2px;filter:saturate(.68) contrast(1.03);box-shadow:0 14px 33px rgba(36,52,62,.15)}.metal-node{position:absolute;z-index:3;padding:10px 14px;color:#2e414e;background:#fff;border:1px solid #bfc6ca;border-radius:3px;box-shadow:var(--shadow);font-size:10px;font-weight:900}.node-a{left:-5px;top:17%;border-left:3px solid #36b57c}.node-b{right:-5px;bottom:9%;color:#315f81;border-right:3px solid var(--blue)}.node-dot{display:inline-block;width:8px;height:8px;margin-right:7px;border-radius:50%;background:#37b97d}.metrics{background:#fff;border-top:1px solid #d5dade;border-bottom:1px solid #d5dade}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr)}.metric{position:relative;padding:25px 34px;border-right:1px solid #dce0e3}.metric:first-child{border-left:1px solid #dce0e3}.metric:after{content:"";position:absolute;left:34px;bottom:0;width:45px;height:3px;background:var(--navy)}.metric strong{display:block;font-size:24px;letter-spacing:-.03em}.metric span{color:#758087;font-size:11px}
.section{position:relative;padding:100px 0;border-bottom:1px solid #d7dcdf}.section.white{background:#fff}.section.dark{color:#fff;background:#222c33;background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);background-size:48px 48px}.section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:47px}.section-head h2{max-width:760px;margin:12px 0 0;font-size:clamp(34px,4vw,52px);line-height:1.12;letter-spacing:-.05em}.section-head p{max-width:410px;margin:0 0 4px;color:#69737a}.dark .section-head p{color:#b0bac0}.dark .eyebrow{color:#c6d2d9}
.grid-6{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #cbd1d5;border-left:1px solid #cbd1d5;box-shadow:var(--shadow)}.feature{position:relative;min-height:275px;padding:32px;background:#fff;border-right:1px solid #cbd1d5;border-bottom:1px solid #cbd1d5;overflow:hidden}.feature:after{content:"";position:absolute;right:12px;top:12px;width:8px;height:8px;border:1px solid #aeb6bc}.ficon{width:50px;height:48px;margin-bottom:47px;display:grid;place-items:center;color:#315b79;background:#eef1f3;border:1px solid #b9c1c6;border-radius:3px;font-size:12px;font-weight:900}.feature h3{margin:0 0 8px;font-size:20px}.feature p{color:#677178;font-size:13px}.more{color:#325f7e;font-size:12px;font-weight:800}.more:hover{color:#172d3c}
.scenes{display:grid;gap:22px}.scene{display:grid;grid-template-columns:1.08fr .92fr;min-height:390px;background:#2b363e;border:1px solid #4a555c;box-shadow:var(--shadow);overflow:hidden}.scene:nth-child(even) .scene-media{order:2}.scene-media{position:relative;overflow:hidden}.scene-media:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 68%,#2b363e)}.scene:nth-child(even) .scene-media:after{background:linear-gradient(-90deg,transparent 68%,#2b363e)}.scene-media img{width:100%;height:100%;object-fit:cover;filter:saturate(.55) contrast(1.04)}.scene-copy{position:relative;padding:52px;display:flex;flex-direction:column;justify-content:center}.scene-copy:before{content:"";position:absolute;left:0;top:20%;bottom:20%;width:3px;background:var(--orange)}.scene-no{color:#d29a7f;font-size:10px;font-weight:900;letter-spacing:.2em}.scene h3{margin:21px 0 14px;font-size:36px;letter-spacing:-.04em}.scene p{color:#b9c2c7}.tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:13px}.tags span{padding:4px 10px;color:#e8edef;background:#20292f;border:1px solid #4a555c;border-radius:2px;font-size:10px}
.compare-wrap{overflow:auto;background:#fff;border:1px solid #c8cfd3;box-shadow:var(--shadow)}.compare{width:100%;min-width:870px;border-collapse:collapse}.compare th,.compare td{padding:17px 14px;border-right:1px solid #d9dee1;border-bottom:1px solid #d9dee1;text-align:center;font-size:13px}.compare th:first-child,.compare td:first-child{padding-left:27px;text-align:left}.compare thead th{background:#edf0f2;font-size:12px}.compare .ours{color:#294d67;background:#eaf0f4;font-weight:800}.yes{color:#238b60;font-weight:800}.no{color:#92999e}.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review{position:relative;padding:32px;background:#fff;border:1px solid #cfd5d8;box-shadow:var(--shadow)}.review:before{content:"VERIFIED CLIENT";position:absolute;right:16px;top:14px;color:#99a1a6;font-size:9px;font-weight:900}.review:after{content:"";position:absolute;left:0;right:50%;bottom:0;height:3px;background:var(--navy)}.review:nth-child(even):after{left:50%;right:0;background:var(--orange)}.stars{color:#dd794a;letter-spacing:.15em}.quote{min-height:145px;margin:23px 0 30px;color:#3d474e;font-size:16px}.person{display:flex;align-items:center;gap:12px;padding-top:17px;border-top:1px solid #dde1e4}.avatar{width:42px;height:42px;display:grid;place-items:center;color:#fff;background:var(--navy);border-radius:3px;font-weight:900}.person small{display:block;color:#778188}
.faq{display:grid;grid-template-columns:.65fr 1.35fr;gap:76px}.faq-list{background:#fff;border:1px solid #cbd2d6;box-shadow:var(--shadow);overflow:hidden}.faq-list details{border-bottom:1px solid #dce0e3}.faq-list details:last-child{border-bottom:0}details{padding:20px 22px}summary{display:flex;justify-content:space-between;list-style:none;font-weight:800;cursor:pointer}summary:after{content:"+";width:26px;height:26px;display:grid;place-items:center;color:#fff;background:var(--navy);border-radius:2px}details[open] summary:after{content:"−";background:var(--orange)}details p{margin:15px 35px 2px 0;color:#68737a;font-size:13px}.cta{position:relative;padding:88px 0;overflow:hidden;color:#fff;background:#263a48;border-top:1px solid #495a66;border-bottom:1px solid #152631}.cta:before{content:"";position:absolute;width:720px;height:220px;right:-60px;top:30px;border:1px solid rgba(255,255,255,.18);border-radius:50%;transform:rotate(-12deg)}.cta:after{content:"READY / 03:00";position:absolute;right:3%;bottom:-38px;color:rgba(255,255,255,.045);font-size:82px;font-weight:900}.cta-inner{position:relative;z-index:2}.cta .eyebrow{color:#d0dce3}.cta h2{margin:14px 0 13px;font-size:clamp(40px,5vw,62px);line-height:1.06;letter-spacing:-.06em}.cta p{color:#b7c4cc}.articles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.article{position:relative;padding:25px;background:#fff;border:1px solid #cfd5d8;box-shadow:var(--shadow);overflow:hidden}.article:before{content:"";position:absolute;left:0;right:50%;top:0;height:3px;background:var(--navy)}.article:nth-child(even):before{left:50%;right:0;background:var(--orange)}.article-cover img{width:calc(100% + 50px);height:145px;margin:-25px -25px 20px;object-fit:cover;border-bottom:1px solid #d6dbde;filter:saturate(.58)}.date{color:#7e888f;font-size:10px;font-weight:800;letter-spacing:.12em}.article h3{margin:18px 0 10px;font-size:20px;line-height:1.4}.article p{color:#68737a;font-size:13px}
.footer{position:relative;padding:64px 0 24px;color:#f2f5f6;background:#161d21;border-top:1px solid #414b51}.footer:before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:#68747b}.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:45px}.footer p,.footer a{color:#7e8b92;font-size:12px}.footer h4{margin:0 0 14px;color:#e9edef}.footer-col a{display:block;margin:8px 0}.copyright{display:flex;justify-content:space-between;margin-top:46px;padding-top:20px;border-top:1px solid #323a3f;color:#5c686e;font-size:10px}
.page-hero{position:relative;padding:85px 0 72px;overflow:hidden;background:linear-gradient(115deg,#fff 0 68%,#e9ecee 68%);border-bottom:1px solid #d4dade}.page-hero:before{content:"";position:absolute;width:520px;height:520px;right:-180px;top:-260px;border-radius:50%;border:1px solid #c5cbcf;box-shadow:0 0 0 60px rgba(75,92,103,.025)}.page-hero:after{content:"BUSINESS / DOWNLOAD / SUPPORT";position:absolute;right:-20px;bottom:-28px;color:rgba(39,58,71,.045);font-size:63px;font-weight:900}.page-hero .container{position:relative;z-index:2}.page-hero h1{margin:18px 0;font-size:clamp(45px,6vw,70px);line-height:1.05;letter-spacing:-.06em}.page-hero p{max-width:690px;color:#647078;font-size:17px}
.downloads{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.download-card{position:relative;min-height:355px;padding:29px;display:flex;flex-direction:column;background:#fff;border:1px solid #cdd4d8;box-shadow:var(--shadow);overflow:hidden}.download-card:after{content:"";position:absolute;right:12px;bottom:12px;width:8px;height:8px;border:1px solid #929ca2}.download-card.featured{border:2px solid var(--navy);box-shadow:7px 7px 0 #d9dee1}.download-card.featured:before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--orange)}.platform{display:flex;align-items:center;justify-content:space-between}.platform h3{font-size:24px}.badge{padding:3px 8px;color:#31536a;background:#edf2f5;border:1px solid #c9d5dc;border-radius:2px;font-size:9px;font-weight:900}.download-card ul{flex:1;padding-left:18px;color:#667178;font-size:13px}.version{margin-top:12px;color:#7e888f;font-size:10px}.download-banner{display:grid;grid-template-columns:1.1fr .9fr;background:#2b363e;border:1px solid #4a555c;box-shadow:var(--shadow);overflow:hidden}.download-banner img{width:100%;height:100%;object-fit:cover;filter:saturate(.55)}.download-banner>div{padding:52px}.download-banner h2{font-size:37px;line-height:1.15}.download-banner p{color:#b7c1c6}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.step{position:relative;padding:25px;background:#fff;border:1px solid #ced5d9;box-shadow:var(--shadow)}.step:after{content:"";position:absolute;left:25px;right:25px;bottom:0;height:3px;background:var(--navy)}.step b{color:#315b79;font-size:33px;font-weight:900}.step h3{margin:14px 0 6px}
.searchbox{display:flex;max-width:660px;margin-top:29px;padding:5px;background:#fff;border:1px solid #cbd2d6;box-shadow:var(--shadow)}.searchbox input{flex:1;padding:9px 13px;color:#334550;background:#f8f9f9;border:0;outline:none}.help-layout{display:grid;grid-template-columns:235px 1fr;gap:60px}.help-side{position:sticky;top:104px;align-self:start;padding:19px;background:#fff;border:1px solid #ced5d9;box-shadow:var(--shadow)}.help-side b{display:block;padding-bottom:11px;border-bottom:3px solid var(--navy)}.help-side a{display:block;padding:8px 3px;color:#626e76;border-bottom:1px solid #dce1e4;font-size:12px}.help-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.help-card{position:relative;padding:24px;background:#fff;border:1px solid #ced5d9;box-shadow:var(--shadow)}.help-card:after{content:"";position:absolute;left:24px;width:35px;bottom:0;height:3px;background:var(--navy)}.help-card:nth-child(even):after{background:var(--orange)}.help-card h3{margin:0 0 9px;font-size:18px}.help-card p{color:#68737a;font-size:13px}.help-group{margin-bottom:68px;scroll-margin-top:112px}.help-group h2{margin:11px 0 28px;font-size:33px;letter-spacing:-.04em}.hidden{display:none!important}
@media(max-width:920px){.navlinks{display:none}.hero-grid,.scene,.faq,.download-banner,.help-layout{grid-template-columns:1fr}.hero,.page-hero{background:#fff}.visual{margin-top:15px}.grid-6,.downloads,.reviews,.articles{grid-template-columns:repeat(2,1fr)}.scene:nth-child(even) .scene-media{order:0}.scene-media{min-height:300px}.scene-media:after,.scene:nth-child(even) .scene-media:after{background:linear-gradient(0deg,#2b363e,transparent 45%)}.help-side{position:static}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.container{width:min(100% - 28px,1200px)}.announcement{font-size:10px}.announcement a{display:none}.header{height:64px}.actions .btn:first-child{display:none}.hero{padding:58px 0}.hero h1{font-size:48px}.hero-actions{flex-direction:column}.metric-grid{grid-template-columns:repeat(2,1fr)}.metric{padding:18px 14px;border-bottom:1px solid #dce0e3}.section{padding:70px 0}.section-head{display:block}.section-head p{margin-top:17px}.grid-6,.downloads,.reviews,.articles,.help-grid,.steps{grid-template-columns:1fr}.scene-copy{padding:32px 25px}.scene h3{font-size:29px}.faq{gap:30px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.copyright{display:block}.page-hero{padding:60px 0}.searchbox{display:block}.searchbox .btn{width:100%;margin-top:5px}}
