:root{color-scheme:light;--bg:#f6f7f3;--bg-tint:#eef2eb;--panel:#fff;--panel-soft:#fafbf8;--border:#e6eae2;--text:#26342d;--muted:#8b958d;--soft-text:#68766b;--accent:#4d765d;--accent-dark:#365944;--accent-pale:#e9f0e8;--shadow:0 22px 70px rgba(49,69,50,.075);--shadow-soft:0 12px 36px rgba(49,69,50,.07);--danger:#b54c48;--danger-bg:#fff1ef}
*{box-sizing:border-box}
html{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;scroll-behavior:smooth}
body{margin:0;min-height:100vh;color:var(--text);background:var(--bg);background-image:radial-gradient(circle at 12% 20%,rgba(206,222,203,.4),transparent 31%),radial-gradient(circle at 90% 80%,rgba(226,232,214,.42),transparent 36%);transition:background-color .25s,color .25s}
button,input{font:inherit}
button{cursor:pointer}
button:focus-visible,input:focus-visible,a:focus-visible{outline:3px solid rgba(96,144,111,.36);outline-offset:3px}
a{text-decoration:none;color:inherit}
svg{flex-shrink:0}
.page-wrap{max-width:1540px;min-height:100vh;padding:0 clamp(24px,4.7vw,80px);margin:auto;display:flex;flex-direction:column}
.site-header{height:104px;display:flex;align-items:center;justify-content:space-between;flex-shrink:0}
.brand{display:inline-flex;align-items:center;gap:11px}
.brand-symbol{width:44px;height:44px;display:grid;place-items:center;background:var(--accent);color:#fff;border-radius:14px;box-shadow:0 8px 20px rgba(77,118,93,.17)}
.brand-text{display:flex;flex-direction:column;gap:1px}
.brand-text strong{font-size:20px;font-weight:750;letter-spacing:.04em;line-height:1.2}
.brand-text small{font-size:9px;letter-spacing:.22em;color:var(--muted);font-weight:750}
.header-right{display:flex;align-items:center;gap:18px}
.private-tag{font-size:12px;color:var(--soft-text);display:inline-flex;align-items:center;gap:8px}
.tag-dot{width:7px;height:7px;background:#79a884;border-radius:50%;box-shadow:0 0 0 4px rgba(121,168,132,.13)}
.theme-toggle{border:1px solid var(--border);width:39px;height:39px;border-radius:13px;display:grid;place-items:center;background:var(--panel);color:var(--soft-text)}
.theme-toggle:hover{color:var(--accent);border-color:#bfd2bf}
.moon-icon{display:none}
.main-content{flex:1;display:grid;grid-template-columns:minmax(0,1.14fr) minmax(355px,.79fr);gap:clamp(45px,5.5vw,90px);align-items:center;min-height:660px;padding:25px 0 50px}
.presentation{min-width:0;padding-top:2px}
.eyebrow{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--accent);font-weight:750;letter-spacing:.16em;margin-bottom:20px}
.eyebrow-line{height:2px;width:26px;background:var(--accent);border-radius:2px}
h1{font-size:clamp(36px,3.8vw,57px);line-height:1.35;letter-spacing:-.045em;font-weight:800;margin:0}
h1 em{font-style:normal;color:var(--accent)}
.intro{margin:20px 0 34px;color:var(--soft-text);font-size:14px;line-height:2;letter-spacing:.012em}
.drive-preview{display:flex;overflow:hidden;background:var(--panel);height:356px;border:1px solid var(--border);border-radius:17px;box-shadow:var(--shadow);transform:rotate(-1.1deg);transform-origin:center;transition:transform .25s}
.drive-preview:hover{transform:rotate(0)}
.preview-sidebar{background:#f4f7f2;width:57px;flex:0 0 57px;border-right:1px solid var(--border);display:flex;flex-direction:column;gap:12px;align-items:center;padding:16px 0}
.sidebar-mini-logo{width:28px;height:28px;color:var(--accent);display:grid;place-items:center;margin-bottom:12px}
.side-icon{width:33px;height:33px;display:grid;place-items:center;color:#98a59b;border-radius:9px}
.side-icon.selected{background:#e1ece0;color:var(--accent)}
.side-spacer{flex:1}
.side-avatar{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:11px;font-weight:700;background:#91ac99}
.preview-main{padding:17px 22px 13px;flex:1;min-width:0;display:flex;flex-direction:column}
.preview-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px}
.crumb{font-size:10px;color:#9aa49b;white-space:nowrap}.crumb strong{font-weight:700;color:var(--text)}.crumb-chevron{padding:0 10px;color:#bdc8be}
.search-pill{display:flex;align-items:center;gap:7px;color:#b1bbb1;font-size:9px;padding:7px 12px;border:1px solid var(--border);border-radius:8px;min-width:120px}
.preview-heading{display:flex;align-items:end;justify-content:space-between;gap:10px;margin:20px 0 17px}
.tiny-cap{font-size:8px;letter-spacing:.2em;font-weight:800;color:#a4b2a6}
.preview-heading h2{margin:5px 0 0;font-size:17px;letter-spacing:-.025em}.wave{color:#b5cda8;font-size:16px}
.add-file{border-radius:8px;background:var(--accent);color:#fff;padding:9px 10px;font-size:9px;font-weight:750;white-space:nowrap}
.mini-label{font-size:10px;font-weight:800;display:flex;justify-content:space-between;margin-bottom:10px;align-items:center}
.mini-label>span{font-weight:500;color:#9aa99c;font-size:9px}
.folder-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.folder-tile{border:1px solid var(--border);border-radius:9px;padding:10px 8px 8px;min-width:0;background:var(--panel-soft)}
.folder-emoji{width:25px;height:25px;border-radius:7px;display:grid;place-items:center;font-size:15px;font-weight:700;margin-bottom:9px}
.peach{color:#c68263;background:#fae8df}.sage{color:#70987a;background:#e9f3e6}.lilac{color:#9688bc;background:#eee9fa}
.folder-tile strong,.folder-tile small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.folder-tile strong{font-size:9px;font-weight:700}.folder-tile small{font-size:8px;color:#a0ada1;margin-top:4px}
.recent-label{margin-top:19px;margin-bottom:7px}
.file-row{display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--border);padding:7px 0;min-width:0}
.file-icon{display:grid;place-items:center;width:28px;height:28px;border-radius:7px;font-size:12px;font-weight:800;flex:0 0 28px}.video{background:#e9edf7;color:#8291c6}.zip{background:#f7efdc;color:#c2a361}.doc{background:#e4f0e8;color:#689979}
.file-name{flex:1;min-width:0}.file-name strong,.file-name small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-name strong{font-size:9px;font-weight:700}.file-name small{color:#9ba99c;font-size:8px;margin-top:3px}.file-date{font-size:8px;color:#9aa99c;white-space:nowrap}.file-more{font-size:16px;letter-spacing:1px;color:#a6b2a7}
.storage-area{margin-top:auto;padding-top:10px}.storage-heading{display:flex;align-items:center;justify-content:space-between;font-size:9px;color:#96a596}.storage-heading span:first-child{display:flex;align-items:center;gap:5px;font-weight:700;color:var(--soft-text)}
.storage-track{height:5px;background:var(--accent-pale);border-radius:10px;overflow:hidden;margin-top:8px}.storage-track span{width:57%;height:100%;display:block;border-radius:10px;background:#8eaf98}
.feature-row{display:flex;gap:24px;flex-wrap:wrap;padding:27px 0 0 6px}.feature-row span{display:flex;align-items:center;gap:7px;color:var(--soft-text);font-size:12px}.feature-row svg{color:var(--accent)}
.login-panel{min-width:0;max-width:465px;width:100%;margin-left:auto}
.login-card{background:var(--panel);border:1px solid var(--border);border-radius:25px;box-shadow:var(--shadow);padding:clamp(26px,3.2vw,46px);position:relative}
.login-accent{display:flex;justify-content:center;margin:1px 0 21px}.accent-orb{width:57px;height:57px;border-radius:19px;background:var(--accent-pale);color:var(--accent);display:grid;place-items:center}
.login-kicker{display:flex;align-items:center;justify-content:center;gap:10px;color:#94ab97;letter-spacing:.21em;font-size:9px;font-weight:750}.login-kicker span{height:1px;width:26px;background:#c7d7c7}
.login-card h2{text-align:center;font-size:29px;letter-spacing:-.03em;font-weight:800;margin:10px 0 9px}.login-subtitle{text-align:center;font-size:12px;color:var(--muted);line-height:1.8;margin:0 0 33px}
.field{margin-bottom:20px}.field label{font-size:12px;font-weight:750;display:block;margin-bottom:10px}.input-wrap{height:51px;border:1px solid #dfe6df;background:var(--panel-soft);display:flex;align-items:center;gap:12px;border-radius:12px;padding:0 14px;color:#9aaa9d;transition:border-color .2s,box-shadow .2s}.input-wrap:focus-within{border-color:#a0bda5;box-shadow:0 0 0 3px rgba(85,125,94,.11)}.input-wrap input{border:0;background:none;outline:0;color:var(--text);font-size:13px;width:100%;min-width:0;height:100%}.input-wrap input::placeholder{color:#a9b4aa}.password-eye{border:0;background:none;padding:6px;margin-right:-6px;display:grid;place-items:center;color:#a0aa9e}.password-eye:hover{color:var(--accent)}
.form-error{background:var(--danger-bg);border:1px solid #f0d6d2;color:var(--danger);border-radius:11px;padding:11px 13px;font-size:12px;align-items:center;gap:8px;margin:-4px 0 17px;line-height:1.45}.form-error:not([hidden]){display:flex}.form-error[hidden]{display:none}
.login-submit{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;height:53px;border:0;background:var(--accent);color:#fff;border-radius:12px;font-size:14px;font-weight:750;box-shadow:0 10px 18px rgba(77,118,93,.16);transition:background .2s,transform .2s}.login-submit:hover{background:var(--accent-dark);transform:translateY(-1px)}.login-submit:active{transform:translateY(0)}
.help-row{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:24px;font-size:11px}.help-lock{color:#9aa89c;display:flex;gap:5px;align-items:center}.help-row button{background:transparent;border:0;color:var(--accent);font-size:11px;padding:3px 0}.help-row button:hover{text-decoration:underline}.help-message{margin:10px 0 0;font-size:11px;color:var(--soft-text);text-align:right}
.welcome-foot{font-size:11px;text-align:center;color:#9ba99b;margin:25px 0 0}.welcome-foot-mark{color:#a9c4a7;padding-right:5px}
.site-footer{height:64px;display:flex;align-items:center;justify-content:space-between;gap:15px;border-top:1px solid rgba(132,155,134,.15);color:#a1ada1;font-size:10px}.site-footer i{font-style:normal;padding:0 6px}
html[data-theme="dark"]{color-scheme:dark;--bg:#171e1a;--bg-tint:#222b25;--panel:#222b25;--panel-soft:#273129;--border:#344037;--text:#edf2eb;--muted:#a0afa1;--soft-text:#b9c5b9;--accent:#9bc6a7;--accent-dark:#80b190;--accent-pale:#304537;--shadow:0 22px 70px rgba(0,0,0,.14);--shadow-soft:0 12px 36px rgba(0,0,0,.2);--danger:#efaea7;--danger-bg:#3d2827;background:#171e1a}
html[data-theme="dark"] body{background-image:radial-gradient(circle at 10% 20%,rgba(63,103,69,.2),transparent 30%),radial-gradient(circle at 90% 90%,rgba(64,79,61,.22),transparent 34%)}
html[data-theme="dark"] .brand-symbol,html[data-theme="dark"] .login-submit,html[data-theme="dark"] .add-file{background:#608b6e;color:#fff}
html[data-theme="dark"] .preview-sidebar{background:#1b251e}
html[data-theme="dark"] .side-icon.selected{background:#344b39}
html[data-theme="dark"] .input-wrap{border-color:var(--border)}
html[data-theme="dark"] .folder-emoji.peach{background:#4d3b34;color:#edb69e}
html[data-theme="dark"] .folder-emoji.sage{background:#2e4935;color:#abcaab}
html[data-theme="dark"] .folder-emoji.lilac{background:#3a344d;color:#baa8e3}
html[data-theme="dark"] .file-icon.video{background:#313952}
html[data-theme="dark"] .file-icon.zip{background:#494033}
html[data-theme="dark"] .file-icon.doc{background:#304638}
html[data-theme="dark"] .moon-icon{display:block}
html[data-theme="dark"] .sun-icon{display:none}
html[data-theme="dark"] .form-error{border-color:#623b3c}
@media(max-width:1090px){.main-content{gap:38px;grid-template-columns:minmax(0,1fr) minmax(310px,.8fr)}.preview-main{padding:14px}.drive-preview{height:341px}.folder-grid{gap:5px}.folder-tile{padding:8px 5px}.feature-row{gap:10px}.feature-row span{font-size:10px}}
@media(max-width:820px){.page-wrap{padding:0 28px}.site-header{height:85px}.main-content{display:flex;flex-direction:column;align-items:center;gap:38px;padding:21px 0 38px}.presentation{width:100%;max-width:670px;text-align:center;order:2}.eyebrow{justify-content:center}.presentation h1{font-size:clamp(34px,5.4vw,47px)}.intro{margin:12px 0 28px}.drive-preview{text-align:left;max-width:610px;margin:auto;transform:none}.feature-row{justify-content:center}.login-panel{order:1;max-width:460px;margin:0}.site-footer{height:auto;min-height:70px;flex-wrap:wrap;justify-content:center;text-align:center;padding:17px 0}}
@media(max-width:520px){.page-wrap{padding:0 18px}.site-header{height:78px}.brand-symbol{width:39px;height:39px;border-radius:12px}.brand-symbol svg{width:22px}.brand-text strong{font-size:18px}.private-tag{display:none}.main-content{gap:35px;padding:12px 0 30px}.login-card{border-radius:22px;padding:29px 23px}.login-card h2{font-size:26px}.login-subtitle{margin-bottom:27px}.drive-preview{height:330px}.preview-sidebar{width:41px;flex-basis:41px;padding-top:13px}.side-icon{width:30px}.preview-main{padding:12px 10px}.preview-heading{margin:17px 0 13px}.preview-heading h2{font-size:13px}.folder-tile small{font-size:7px}.folder-tile strong{font-size:8px}.folder-emoji{width:22px;height:22px}.add-file{font-size:8px;padding:8px}.search-pill{min-width:0;padding:6px 7px;font-size:0}.search-pill svg{width:15px}.file-date{display:none}.preview-toolbar .crumb{font-size:9px}.presentation h1{font-size:34px}.eyebrow{font-size:10px}.intro{font-size:12px}.desktop-break{display:none}.feature-row{gap:9px;padding-top:18px}.feature-row span{font-size:9px}.feature-row svg{width:13px}.welcome-foot{margin-top:15px}.site-footer{font-size:9px;gap:5px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}