:root{
  --bg:#0b0e16;--panel:#121725;--panel2:#171d2d;--line:rgba(255,255,255,.085);
  --text:#f4f6ff;--muted:#9099b4;--purple:#8b5cf6;--cyan:#5eead4;
  --radius:20px;--shadow:0 18px 55px rgba(0,0,0,.28)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:
  radial-gradient(ellipse at 78% -10%,rgba(116,82,255,.19),transparent 34%),
  radial-gradient(ellipse at 0% 45%,rgba(41,199,214,.08),transparent 30%),var(--bg);
  color:var(--text);font:15px/1.5 Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
button,input{font:inherit}button{cursor:pointer}
a{color:inherit;text-decoration:none}
.app{display:grid;grid-template-columns:250px minmax(0,1fr);min-height:100vh;max-width:1800px;margin:auto}
.sidebar{padding:28px 18px 20px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:30px;background:rgba(9,12,20,.54)}
.brand{display:flex;align-items:center;gap:12px;padding:0 10px;font-size:19px;font-weight:800;letter-spacing:.12em}
.brand-mark{width:38px;height:38px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,#9b6bff,#4ce1cf);box-shadow:0 7px 24px #7756f455}
.brand-mark svg{width:23px;height:23px}
.brand small{display:block;color:var(--muted);font-size:9px;letter-spacing:.25em;font-weight:600;margin-top:-2px}
.nav-label{padding:0 12px;color:#6e7894;font-size:10px;letter-spacing:.18em;font-weight:800}
.nav{display:grid;gap:6px;margin-top:-20px}
.nav button{width:100%;border:0;background:transparent;color:#aab2c9;display:flex;align-items:center;gap:13px;padding:12px;border-radius:13px;text-align:left;transition:.2s}
.nav button:hover,.nav button.active{background:linear-gradient(100deg,rgba(139,92,246,.2),rgba(94,234,212,.055));color:#fff}
.nav button.active{box-shadow:inset 2px 0 #a78bfa}
.nav svg{width:19px;height:19px;flex-shrink:0}
.nav .count{margin-left:auto;background:#262d42;color:#cbd2e8;border-radius:7px;padding:2px 7px;font-size:11px}
.side-bottom{margin-top:auto}
.storage-card{padding:16px;border:1px solid var(--line);background:linear-gradient(145deg,#1c2035,#131a27);border-radius:18px}
.storage-head{display:flex;align-items:center;justify-content:space-between;font-size:12px;margin-bottom:13px}
.storage-head span:last-child{color:#a6afc9}
.progress{height:6px;border-radius:9px;background:#30374b;overflow:hidden}
.progress span{display:block;height:100%;width:64%;background:linear-gradient(90deg,#8b5cf6,#5eead4);border-radius:9px}
.storage-foot{font-size:11px;color:var(--muted);display:flex;justify-content:space-between;margin-top:9px}
.user{display:flex;align-items:center;gap:10px;margin:22px 8px 0}
.avatar{width:37px;height:37px;border-radius:13px;background:linear-gradient(135deg,#ffbd8c,#b98cff);display:grid;place-items:center;font-weight:800;color:#171525}
.user strong{display:block;font-size:12px}.user small{color:var(--muted);font-size:11px}
.main{min-width:0;padding:30px clamp(18px,4vw,54px) 48px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:30px}
.search{display:flex;align-items:center;gap:10px;max-width:480px;width:100%;height:46px;padding:0 14px;border:1px solid var(--line);background:rgba(22,28,43,.78);border-radius:14px;color:var(--muted)}
.search svg{width:18px;height:18px;flex-shrink:0}.search input{width:100%;min-width:0;background:transparent;border:0;outline:0;color:var(--text)}
.search input::placeholder{color:#6f7892}.shortcut{font-size:10px;padding:3px 6px;border:1px solid var(--line);border-radius:6px;white-space:nowrap}
.top-actions{display:flex;align-items:center;gap:10px}.icon-btn{width:43px;height:43px;display:grid;place-items:center;border:1px solid var(--line);background:#171d2b;color:#dfe4f6;border-radius:13px;position:relative}
.icon-btn svg{width:19px;height:19px}.notify-dot{position:absolute;right:10px;top:9px;width:6px;height:6px;background:#5eead4;border-radius:50%;box-shadow:0 0 10px #5eead4}
.primary{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;padding:12px 17px;border-radius:13px;color:#fff;font-weight:700;background:linear-gradient(110deg,#8b5cf6,#6b75f7);box-shadow:0 8px 25px #7955e433;transition:transform .2s,filter .2s}
.primary:hover{transform:translateY(-2px);filter:brightness(1.08)}.primary svg{width:18px;height:18px}
.welcome{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:27px}
.eyebrow{color:#a99aff;font-size:11px;letter-spacing:.2em;font-weight:800;text-transform:uppercase;margin-bottom:8px}
h1{font-size:clamp(27px,3.2vw,40px);letter-spacing:-.045em;line-height:1.15;margin:0;font-weight:800}
.welcome p{color:var(--muted);margin:10px 0 0;font-size:13px}
.date-chip{border:1px solid var(--line);background:#151b29;color:#b9c2da;padding:9px 12px;border-radius:12px;font-size:12px;white-space:nowrap}
.hero{position:relative;overflow:hidden;display:grid;grid-template-columns:1.15fr .85fr;min-height:205px;border:1px solid #8f7aff30;border-radius:24px;padding:27px 30px;background:linear-gradient(112deg,#252145 0%,#1b2140 48%,#132c38 100%);box-shadow:var(--shadow);margin-bottom:29px}
.hero:before{content:"";position:absolute;width:310px;height:310px;border-radius:50%;right:10%;top:-180px;background:#8b5cf6;filter:blur(80px);opacity:.25}
.hero:after{content:"";position:absolute;width:210px;height:210px;border-radius:50%;right:-40px;bottom:-150px;background:#5eead4;filter:blur(60px);opacity:.22}
.hero-copy{position:relative;z-index:1;align-self:center}
.hero-badge{display:inline-flex;align-items:center;gap:7px;border:1px solid #ffffff22;background:#ffffff0b;padding:5px 9px;border-radius:8px;color:#d8d0ff;font-size:10px;letter-spacing:.08em}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:#5eead4;box-shadow:0 0 10px #5eead4}
.hero h2{font-size:clamp(22px,2.3vw,30px);line-height:1.2;margin:13px 0 8px;letter-spacing:-.035em}
.hero p{color:#b3bdd6;font-size:12px;margin:0 0 18px;max-width:350px}
.hero .primary{padding:10px 14px;font-size:12px}
.hero-art{position:relative;z-index:1;min-height:145px;display:flex;align-items:center;justify-content:center}
.orbit{position:absolute;width:180px;height:180px;border:1px solid #b7adff30;border-radius:50%;transform:rotate(-22deg) scaleY(.48)}
.orbit.two{width:230px;height:230px;transform:rotate(35deg) scaleY(.48)}
.cloud-visual{position:relative;width:132px;height:100px;filter:drop-shadow(0 18px 28px #0004);transform:rotate(-7deg)}
.cloud-visual .cloud{position:absolute;inset:12px 3px 10px;background:linear-gradient(145deg,#e4e3ff,#8d8cff 55%,#58dccc);clip-path:path("M 28 76 C 9 76 2 64 4 51 C 5 39 16 32 28 33 C 33 12 52 4 70 14 C 80 19 84 28 85 38 C 103 32 120 43 120 59 C 120 71 111 78 98 78 Z");border-radius:30px}
.cloud-visual .shine{position:absolute;width:55px;height:20px;left:40px;top:28px;border-radius:50%;background:#fff9;filter:blur(9px);transform:rotate(-25deg)}
.cloud-visual .spark{position:absolute;color:#c9fff6;font-size:18px;text-shadow:0 0 15px #5eead4}.spark.s1{top:0;right:0}.spark.s2{bottom:0;left:3px;font-size:13px}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin:0 0 16px}
.section-head h3{font-size:17px;margin:0;letter-spacing:-.02em}.section-head p{font-size:11px;color:var(--muted);margin:4px 0 0}
.text-btn{background:none;border:0;color:#b7a7ff;font-size:12px;padding:7px}.text-btn:hover{color:#fff}
.quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px;margin-bottom:30px}
.quick-card{min-width:0;border:1px solid var(--line);background:linear-gradient(145deg,#171d2c,#121725);padding:16px;border-radius:17px;transition:.2s;cursor:pointer}
.quick-card:hover,.file-card:hover{transform:translateY(-3px);border-color:#8b5cf655;background:#1a2032}
.quick-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:17px}
.file-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:13px}
.file-icon svg{width:22px;height:22px}.purple{color:#b5a1ff;background:#8b5cf626}.blue{color:#78b8ff;background:#4095ff20}.green{color:#67e8c6;background:#26cda420}.orange{color:#ffbe83;background:#ff9c4d20}.pink{color:#ff9dc9;background:#ff62a020}
.more{color:#7e88a4;font-size:20px;line-height:1;padding:0 3px}.quick-card h4{margin:0 0 5px;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.quick-card p{margin:0;color:var(--muted);font-size:11px}
.files-head{margin-bottom:12px}.file-controls{display:flex;align-items:center;gap:7px}
.filter-select,.view-toggle{height:35px;border:1px solid var(--line);background:#151b29;color:#b8c1d8;border-radius:10px;padding:0 10px;font-size:11px;outline:none}
.view-toggle{display:flex;gap:2px;padding:3px}.view-toggle button{border:0;background:transparent;color:#78829d;border-radius:7px;width:29px;display:grid;place-items:center}.view-toggle button.active{background:#30344b;color:#fff}.view-toggle svg{width:15px;height:15px}
.file-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.file-card{min-width:0;border:1px solid var(--line);background:rgba(19,24,37,.88);border-radius:17px;padding:12px;transition:.2s;overflow:hidden}
.thumb{height:124px;border-radius:11px;overflow:hidden;position:relative;background:#202840;margin-bottom:12px}
.thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .45s}
.file-card:hover .thumb img{transform:scale(1.05)}
.thumb:after{content:"";position:absolute;inset:45% 0 0;background:linear-gradient(transparent,#080a12a8)}
.thumb-label{position:absolute;bottom:9px;left:10px;z-index:1;font-size:10px;color:#fff;background:#080a126b;border:1px solid #ffffff2a;padding:4px 7px;border-radius:7px;backdrop-filter:blur(8px)}
.file-info{display:flex;align-items:center;gap:10px;min-width:0}.file-info .file-icon{width:36px;height:36px;border-radius:11px;flex-shrink:0}.file-info .file-icon svg{width:19px;height:19px}
.file-name{min-width:0;flex:1}.file-name strong{display:block;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-name small{display:block;color:var(--muted);font-size:10px;margin-top:3px}
.file-menu{color:#8992ab;background:none;border:0;font-size:20px;padding:3px}
.file-grid.list{grid-template-columns:1fr}
.file-grid.list .file-card{display:flex;align-items:center;gap:14px;padding:10px}
.file-grid.list .thumb{width:94px;height:66px;margin:0;flex-shrink:0}
.file-grid.list .file-info{flex:1}
.file-grid.list .file-name strong{font-size:13px}
.file-grid.list .file-menu{margin-left:auto}
.empty{grid-column:1/-1;text-align:center;padding:45px 15px;color:var(--muted);border:1px dashed var(--line);border-radius:15px}
.footer{display:flex;justify-content:space-between;gap:15px;color:#68728c;font-size:10px;margin-top:28px;padding-top:17px;border-top:1px solid var(--line)}
.footer span:last-child{color:#7d87a1}
.mobile-menu{display:none}
.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#222b3e;border:1px solid #ffffff1b;color:#f3f5ff;padding:11px 16px;border-radius:12px;box-shadow:var(--shadow);z-index:50;font-size:12px;transition:.25s;max-width:calc(100vw - 30px);text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}
.modal-backdrop{position:fixed;inset:0;background:#050710b8;backdrop-filter:blur(8px);display:none;align-items:center;justify-content:center;padding:18px;z-index:40}
.modal-backdrop.show{display:flex}
.modal{width:min(420px,100%);padding:23px;border:1px solid var(--line);border-radius:20px;background:#171d2b;box-shadow:var(--shadow)}
.modal h3{margin:0 0 6px;font-size:19px}.modal p{color:var(--muted);font-size:12px;margin:0 0 20px}
.modal input{width:100%;border:1px solid var(--line);background:#0f1420;color:#fff;border-radius:11px;padding:12px;outline:none;margin-bottom:14px}
.modal-actions{display:flex;justify-content:flex-end;gap:9px}.secondary{border:1px solid var(--line);background:#22293a;color:#d7dcef;padding:10px 14px;border-radius:11px}
.mobile-nav{display:none}
@media(max-width:1100px){.app{grid-template-columns:220px minmax(0,1fr)}.quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.file-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero{padding:23px}.thumb{height:110px}}
@media(max-width:760px){
 .app{display:block;padding-bottom:76px}.sidebar{display:none}.main{padding:17px 15px 30px}
 .topbar{gap:9px;margin-bottom:24px}.search{height:43px;padding:0 11px}.shortcut{display:none}.top-actions{gap:7px}.top-actions .icon-btn{width:40px;height:40px}.top-actions .primary{width:42px;height:42px;padding:0;font-size:0;gap:0}.top-actions .primary svg{width:19px;height:19px}
 .welcome{align-items:flex-start;margin-bottom:21px}.date-chip{display:none}h1{font-size:29px}.welcome p{font-size:12px;line-height:1.6}
 .hero{grid-template-columns:1fr;min-height:0;padding:22px 20px;margin-bottom:25px}.hero-copy{max-width:100%}.hero h2{font-size:25px}.hero p{max-width:300px}.hero-art{position:absolute;right:-27px;bottom:-19px;opacity:.36;transform:scale(.78);pointer-events:none}.hero-copy{z-index:2}
 .quick-grid{gap:10px;margin-bottom:25px}.quick-card{padding:13px;border-radius:15px}.quick-top{margin-bottom:13px}.file-icon{width:38px;height:38px}.quick-card h4{font-size:12px}.quick-card p{font-size:10px}
 .section-head h3{font-size:16px}.files-head{align-items:flex-start;flex-wrap:wrap}.file-controls{margin-left:auto}.filter-select{max-width:105px;padding:0 7px}
 .file-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.file-card{padding:9px;border-radius:14px}.thumb{height:94px;margin-bottom:10px}.file-info{gap:7px}.file-info .file-icon{width:30px;height:30px;border-radius:9px}.file-info .file-icon svg{width:16px;height:16px}.file-name strong{font-size:11px}.file-name small{font-size:9px}.file-menu{font-size:17px}
 .file-grid.list .thumb{width:74px;height:57px}.footer{font-size:9px;flex-wrap:wrap}
 .mobile-nav{position:fixed;z-index:30;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(5,1fr);padding:9px 8px calc(9px + env(safe-area-inset-bottom));background:#111624f2;border-top:1px solid var(--line);backdrop-filter:blur(20px)}
 .mobile-nav button{display:flex;flex-direction:column;align-items:center;gap:4px;background:none;border:0;color:#77819c;font-size:9px;padding:4px 0}.mobile-nav button.active{color:#c1b2ff}.mobile-nav svg{width:19px;height:19px}
 .toast{bottom:88px}
}
@media(max-width:380px){.main{padding-left:11px;padding-right:11px}.quick-card{padding:10px}.thumb{height:82px}.file-card{padding:7px}.file-name strong{font-size:10px}.hero{padding:19px 16px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}