:root{--bg:#0c0c14;--bg2:#101018;--bg3:#161620;--card:#1a1a26;--elev:#22222e;--t1:#dcddde;--t2:#999;--t3:#5c5c6e;--ac:#7c3aed;--acl:#a88bfa;--acg:rgba(124,58,237,.18);--bd:rgba(255,255,255,.06);--bds:rgba(255,255,255,.1);--grn:#34d399;--r:8px;--rl:14px;--shd:0 20px 80px rgba(0,0,0,.65);--fd:'Noto Serif SC',serif;--f:'Noto Sans SC',-apple-system,BlinkMacSystemFont,sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--f);background:var(--bg);color:var(--t1);margin:0;overflow-x:hidden;line-height:1.7}
::selection{background:var(--ac);color:#fff}
a{color:var(--acl);text-decoration:none;transition:color .2s}a:hover{color:#c4b5fd}
h1,h2,h3,h4,h5,h6{font-family:var(--f);font-weight:700;line-height:1.3}

/* Nav */
.ob-nav{background:rgba(12,12,20,.78);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-bottom:1px solid var(--bd);height:60px;position:fixed;top:0;left:0;right:0;z-index:1050;transition:background .3s,box-shadow .3s}
.ob-nav.scrolled{background:rgba(12,12,20,.96);box-shadow:0 2px 24px rgba(0,0,0,.5)}
.ob-nav-inner{height:100%;display:flex;align-items:center;justify-content:space-between}
.ob-nav-brand{display:flex;align-items:center;color:var(--t1)!important}
.ob-nav-brand .icon{width:26px;height:26px;margin-right:8px}
.ob-nav-brand .wordmark{height:17px}
.ob-nav-links{display:flex;align-items:center;list-style:none;margin:0;padding:0}
.ob-nav-links a{color:var(--t2);font-size:.875rem;padding:6px 14px;border-radius:6px;transition:all .2s}
.ob-nav-links a:hover{color:var(--t1);background:rgba(255,255,255,.04)}
.ob-nav-r{display:flex;align-items:center;gap:6px}
.btn-lang{color:var(--t2);background:0 0;border:1px solid var(--bds);border-radius:6px;padding:4px 10px;font-size:.8rem;cursor:pointer;display:flex;align-items:center;gap:4px;transition:all .2s;font-family:var(--f)}
.btn-lang:hover{border-color:rgba(255,255,255,.2);color:var(--t1)}
.ob-nav-tl{color:var(--t2)!important;font-size:.875rem;padding:6px 12px;border-radius:6px;transition:all .2s}
.ob-nav-tl:hover{color:var(--t1)!important;background:rgba(255,255,255,.04)}
.ob-hamburger{display:none;background:0 0;border:none;color:var(--t1);font-size:1.5rem;cursor:pointer}

/* Hero */
.ob-hero{padding:156px 0 56px;position:relative;overflow:hidden}
.ob-hero::before{content:'';position:absolute;top:-300px;right:-200px;width:700px;height:700px;background:radial-gradient(circle,rgba(124,58,237,.07),transparent 65%);pointer-events:none}
.ob-hero-title{font-family:var(--fd);font-weight:900;font-size:clamp(2.5rem,5.5vw,4.2rem);line-height:1.25;margin-bottom:20px;color:#fff;letter-spacing:-.02em}
.ob-hero-sub{font-size:clamp(1.05rem,2.2vw,1.35rem);color:var(--t2);font-weight:300;margin-bottom:42px;max-width:560px}
.ob-hero-act{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.btn-p{background:var(--ac);color:#fff!important;border:1px solid rgba(168,139,250,.25);padding:12px 28px;border-radius:var(--r);font-size:.95rem;font-weight:500;font-family:var(--f);cursor:pointer;transition:all .25s;display:inline-flex;align-items:center;gap:8px;box-shadow:0 2px 16px var(--acg)}
.btn-p:hover{background:#6d28d9;transform:translateY(-1px);box-shadow:0 6px 24px rgba(124,58,237,.3);color:#fff!important}
.btn-g{color:var(--acl)!important;font-size:.95rem;padding:12px 6px;transition:color .2s}
.btn-g:hover{color:#c4b5fd!important}

/* Showcase */
.ob-showcase{padding:28px 0 100px;position:relative}
.ob-app-win{background:var(--card);border-radius:var(--rl);border:1px solid var(--bds);overflow:hidden;box-shadow:var(--shd)}
.ob-app-tb{display:flex;align-items:center;padding:10px 16px;background:rgba(0,0,0,.3);border-bottom:1px solid var(--bd)}
.ob-app-tb .tb-icons{display:flex;gap:14px;color:var(--t3);font-size:.88rem}
.ob-app-body{display:flex;min-height:500px}
.ob-sb{width:220px;min-width:220px;background:rgba(0,0,0,.18);border-right:1px solid var(--bd);display:flex;flex-direction:column;font-size:.84rem}
.ob-sb-list{flex:1;overflow-y:auto;padding:10px 0}
.ob-sb-i{padding:3.5px 18px;color:var(--t2);display:flex;align-items:center;gap:5px;cursor:default;line-height:1.65}
.ob-sb-i:hover{background:rgba(255,255,255,.02)}
.ob-sb-i.act{background:rgba(168,139,250,.1);color:var(--acl)}
.ob-sb-i.ind{padding-left:36px}
.ob-sb-i .arr{font-size:.5rem;opacity:.5;width:10px;text-align:center}
.ob-sb-ft{border-top:1px solid var(--bd);padding:7px 18px;display:flex;align-items:center;gap:6px;color:var(--t3);font-size:.78rem}
.ob-sb-ft .ft-r{margin-left:auto;display:flex;gap:10px}
.ob-ed{flex:1;display:flex;flex-direction:column;min-width:0}
.ob-ed-tabs{display:flex;border-bottom:1px solid var(--bd);background:rgba(0,0,0,.15)}
.ob-ed-tab{padding:8px 16px;font-size:.8rem;color:var(--t3);border-right:1px solid var(--bd);display:flex;align-items:center;gap:8px;white-space:nowrap}
.ob-ed-tab.act{color:var(--t1);background:rgba(255,255,255,.03)}
.ob-ed-tab .x{font-size:.6rem;opacity:.4}
.ob-ed-body{flex:1;padding:26px 34px;overflow-y:auto}
.ob-ed-body h1{font-size:1.45rem;margin-bottom:10px;color:#fff}
.ob-ed-body .tag{display:inline-block;background:rgba(168,139,250,.14);color:var(--acl);padding:2px 10px;border-radius:4px;font-size:.73rem;margin-bottom:14px}
.ob-ed-body .meta{color:var(--t3);font-size:.84rem;margin-bottom:22px}
.ob-ed-body .meta a{color:var(--acl)}
.ob-ed-body h2{font-size:1.12rem;margin:22px 0 10px;color:#fff}
.ob-ed-body p{font-size:.86rem;color:var(--t2);line-height:1.75;margin-bottom:12px}
.ob-ed-body ul{padding-left:20px;margin-bottom:16px}
.ob-ed-body li{font-size:.86rem;color:var(--t2);margin-bottom:10px;line-height:1.7}
.ob-ed-body li strong{color:var(--t1)}
.ob-ed-ft{border-top:1px solid var(--bd);padding:6px 34px;font-size:.73rem;color:var(--t3);display:flex;justify-content:flex-end;gap:16px}
.ob-gr{width:340px;min-width:340px;border-left:1px solid var(--bd);background:rgba(0,0,0,.22);overflow:hidden;display:flex;flex-direction:column}
.ob-gr-tabs{display:flex;border-bottom:1px solid var(--bd);background:rgba(0,0,0,.15)}
.ob-gr-tab{padding:8px 14px;font-size:.73rem;color:var(--t3);display:flex;align-items:center;gap:6px;white-space:nowrap}
.ob-gr-tab.act{color:var(--t1)}
.ob-gr-tab .x{font-size:.5rem;opacity:.4}
.ob-gr-tab .plus{font-size:.7rem;opacity:.35}
.ob-gr-cv{flex:1;position:relative}

/* Mobile Preview - iPhone */
.ob-mob{position:absolute;right:-10px;bottom:-20px;width:230px;background:#000;border-radius:32px;border:2.5px solid rgba(255,255,255,.12);box-shadow:0 28px 90px rgba(0,0,0,.8);overflow:hidden;z-index:10}
.ob-mob-st{display:flex;justify-content:space-between;align-items:center;padding:10px 22px 2px;font-size:.72rem;font-weight:600;color:#fff}
.ob-mob-st .st-icons{display:flex;gap:4px;align-items:center}
.ob-mob-hd{display:flex;justify-content:space-between;align-items:center;padding:6px 22px 10px}
.ob-mob-hd .hd-icon{font-size:.85rem;color:rgba(255,255,255,.45)}
.ob-mob-hd .hd-r{display:flex;gap:2px;align-items:center;background:rgba(255,255,255,.1);border-radius:8px;padding:4px 8px}
.ob-mob-hd .hd-r i{font-size:.78rem;color:rgba(255,255,255,.5)}
.ob-mob-ct{padding:4px 22px 0}
.ob-mob-ct h3{font-size:1rem;font-weight:700;margin-bottom:10px;color:#fff}
.ob-mob-tags{display:flex;gap:6px;margin-bottom:16px}
.ob-mob-tags span{font-size:.65rem;background:rgba(168,139,250,.18);color:var(--acl);padding:3px 10px;border-radius:4px;font-weight:500}
.ob-mob-ct h4{font-size:.82rem;font-weight:600;color:#fff;margin-bottom:10px}
.ob-mob-cl{list-style:none;padding:0;margin:0 0 10px}
.ob-mob-cl li{font-size:.76rem;color:rgba(255,255,255,.75);padding:4px 0;display:flex;align-items:center;gap:9px}
.ob-mob-cl li a{color:var(--acl);font-size:.76rem}
.ob-mob-cl .ck{width:15px;height:15px;border:1.5px solid rgba(255,255,255,.3);border-radius:3px;flex-shrink:0;display:flex;align-items:center;justify-content:center}
.ob-mob-cl .ck.on{background:var(--ac);border-color:var(--ac)}
.ob-mob-cl .ck.on::after{content:'✓';color:#fff;font-size:.5rem;font-weight:700}
.ob-mob-bb{border-top:1px solid rgba(255,255,255,.08);padding:12px 22px;display:flex;justify-content:space-between;align-items:center;margin-top:8px}
.ob-mob-bb i{font-size:1.05rem;color:rgba(255,255,255,.35)}
.ob-mob-bb i.hi{color:var(--acl)}

/* === Section Shared === */
.s-title{font-family:var(--fd);font-size:clamp(1.8rem,4vw,2.8rem);font-weight:900;color:#fff;line-height:1.25;margin-bottom:16px}
.s-sub{font-size:1.05rem;color:var(--t2);line-height:1.7;max-width:560px}
.s-label{font-size:.73rem;font-weight:600;color:var(--acl);text-transform:uppercase;letter-spacing:2px;margin-bottom:14px}

/* === Values Section (你的想法属于你) === */
.ob-values{padding:100px 0 80px;border-top:1px solid var(--bd)}
.ob-values .val-block{margin-bottom:36px}
.ob-values .val-block h3{font-size:1.15rem;color:#fff;margin-bottom:8px;font-weight:700}
.ob-values .val-block p{font-size:.9rem;color:var(--t2);line-height:1.7;margin:0}
.ob-crystal-area{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:20px}
.ob-crystal-area .crystal-label{font-size:1.3rem;font-weight:700;color:#fff;letter-spacing:.02em}
.ob-crystal-area .crystal-sub{font-size:.9rem;color:var(--t2)}
.ob-crystal-area .crystal-link{color:var(--acl);font-size:.9rem;font-weight:500}

/* === Inspire Section === */
.ob-inspire{padding:80px 0 100px}
.ob-inspire-card{background:var(--card);border:1px solid var(--bd);border-radius:var(--rl);overflow:hidden;height:100%;display:flex;flex-direction:column}
.ob-inspire-card .card-info{padding:24px 28px}
.ob-inspire-card .card-info h3{font-size:1.1rem;color:#fff;margin-bottom:8px}
.ob-inspire-card .card-info p{font-size:.86rem;color:var(--t2);line-height:1.65;margin:0}
.ob-inspire-card .card-mock{flex:1;padding:16px;background:rgba(0,0,0,.15);border-top:1px solid var(--bd);min-height:220px;overflow:hidden;position:relative}

/* Mock UI inside inspire cards */
.mock-editor{background:rgba(0,0,0,.2);border-radius:8px;padding:14px 16px;font-size:.75rem;color:var(--t2);line-height:1.7}
.mock-editor .mk-h{color:#fff;font-weight:700;font-size:.82rem;margin-bottom:6px}
.mock-editor .mk-link{color:var(--acl)}
.mock-editor .mk-bullet{color:var(--t3);margin-right:4px}

.mock-canvas{display:grid;grid-template-columns:1fr 1fr;gap:10px;font-size:.7rem}
.mock-canvas .cv-card{background:rgba(255,255,255,.04);border:1px solid var(--bd);border-radius:8px;padding:10px 12px}
.mock-canvas .cv-card h5{font-size:.72rem;color:#fff;margin-bottom:4px;font-weight:600}
.mock-canvas .cv-card p{font-size:.65rem;color:var(--t3);margin:0;line-height:1.5}
.mock-canvas .cv-card ul{padding-left:12px;margin:4px 0 0;font-size:.63rem;color:var(--t3);line-height:1.6}

.mock-plugins{display:flex;flex-direction:column;gap:8px;font-size:.73rem}
.mock-plugins .s-head{font-size:.7rem;color:var(--t3);font-weight:600;margin-bottom:2px;text-transform:uppercase;letter-spacing:1px}
.mock-plugins .plg-item{display:flex;align-items:center;gap:10px;padding:6px 10px;background:rgba(255,255,255,.03);border-radius:6px}
.mock-plugins .plg-item .plg-icon{width:28px;height:28px;border-radius:6px;background:rgba(168,139,250,.12);display:flex;align-items:center;justify-content:center;font-size:.75rem;color:var(--acl);flex-shrink:0}
.mock-plugins .plg-item .plg-name{color:var(--t1);font-weight:500;font-size:.72rem}
.mock-plugins .plg-item .plg-desc{color:var(--t3);font-size:.62rem}

/* === Sync Section === */
.ob-sync{padding:100px 0}
.ob-sync .sync-feat{display:flex;align-items:flex-start;gap:14px;margin-bottom:24px}
.ob-sync .sync-feat .sf-icon{width:36px;height:36px;border-radius:50%;background:rgba(168,139,250,.1);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--acl);font-size:.9rem}
.ob-sync .sync-feat h4{font-size:.95rem;color:#fff;margin-bottom:4px;font-weight:600}
.ob-sync .sync-feat p{font-size:.85rem;color:var(--t2);margin:0;line-height:1.6}

.mock-vault{background:var(--card);border:1px solid var(--bd);border-radius:var(--rl);padding:28px;max-width:380px}
.mock-vault h4{font-size:1rem;color:#fff;margin-bottom:16px;font-weight:700}
.mock-vault .vault-invite{font-size:.78rem;color:var(--t3);margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--bd)}
.mock-vault .vault-user{display:flex;align-items:center;gap:10px;padding:8px 0}
.mock-vault .vault-user .vu-av{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:700;color:#fff;flex-shrink:0}
.mock-vault .vault-user .vu-name{font-size:.82rem;color:var(--t1);font-weight:500}
.mock-vault .vault-user .vu-role{font-size:.72rem;color:var(--t3);margin-left:auto}

/* === Publish Section === */
.ob-publish{padding:100px 0;border-top:1px solid var(--bd)}
.ob-pub-card{text-align:center;padding:24px}
.ob-pub-card .pub-icon{width:48px;height:48px;border-radius:12px;background:rgba(168,139,250,.1);display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:var(--acl);margin:0 auto 16px}
.ob-pub-card h4{font-size:1rem;color:#fff;margin-bottom:8px;font-weight:600}
.ob-pub-card p{font-size:.86rem;color:var(--t2);line-height:1.65;margin:0}

.mock-themes{background:var(--card);border:1px solid var(--bd);border-radius:var(--rl);overflow:hidden;max-width:600px;margin:48px auto 0}
.mock-themes .th-bar{padding:10px 16px;background:rgba(0,0,0,.25);border-bottom:1px solid var(--bd);display:flex;align-items:center;gap:10px}
.mock-themes .th-bar .th-tab{font-size:.75rem;color:var(--t3);padding:4px 12px;border-radius:4px}
.mock-themes .th-bar .th-tab.act{color:var(--t1);background:rgba(255,255,255,.06)}
.mock-themes .th-body{padding:20px;display:flex;gap:16px;flex-wrap:wrap;justify-content:center}
.mock-themes .th-item{width:120px;background:rgba(0,0,0,.2);border-radius:8px;overflow:hidden;border:1px solid var(--bd)}
.mock-themes .th-item .th-prev{height:68px;background:linear-gradient(135deg,#1a1a2e,#2d1b69)}
.mock-themes .th-item:nth-child(2) .th-prev{background:linear-gradient(135deg,#0d1117,#161b22)}
.mock-themes .th-item:nth-child(3) .th-prev{background:linear-gradient(135deg,#faf4ed,#f2e9de)}
.mock-themes .th-item .th-name{font-size:.65rem;color:var(--t2);padding:6px 8px;text-align:center}

.pub-note{font-size:.85rem;color:var(--t3);text-align:center;margin-top:24px}
.pub-note a{color:var(--acl)}

/* === CTA Section === */
.ob-cta{padding:110px 0 60px;text-align:center;position:relative;overflow:hidden}
.ob-cta::before{content:'';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:700px;height:700px;background:radial-gradient(circle,rgba(124,58,237,.08),transparent 55%);pointer-events:none}
.ob-cta h2{font-family:var(--fd);font-size:clamp(1.8rem,4.5vw,3rem);font-weight:900;color:#fff;margin-bottom:24px;position:relative}
.cta-features{display:flex;justify-content:center;gap:40px;margin-top:48px;flex-wrap:wrap;position:relative}
.cta-feat{text-align:center;max-width:200px}
.cta-feat .cf-icon{width:44px;height:44px;border-radius:10px;background:rgba(168,139,250,.1);display:flex;align-items:center;justify-content:center;font-size:1.1rem;color:var(--acl);margin:0 auto 12px}
.cta-feat h4{font-size:.9rem;color:#fff;margin-bottom:6px;font-weight:600}
.cta-feat p{font-size:.78rem;color:var(--t3);margin:0;line-height:1.5}

/* === Footer === */
.ob-ft{background:rgba(0,0,0,.3);border-top:1px solid var(--bd);padding:52px 0 26px}
.ob-ft h5{font-size:.82rem;font-weight:600;color:var(--t1);margin-bottom:14px}
.ob-ft-links{list-style:none;padding:0;margin:0}
.ob-ft-links li{margin-bottom:6px}
.ob-ft-links a{font-size:.82rem;color:var(--t3);transition:color .2s}
.ob-ft-links a:hover{color:var(--acl)}
.ob-ft-crystal{display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px}
.ob-ft-crystal .ft-brand{font-size:1.1rem;font-weight:700;color:var(--t1);display:flex;align-items:center;gap:6px}
.ob-ft-crystal .ft-tag{font-size:.8rem;color:var(--t2)}
.ob-ft-crystal .ft-link{font-size:.82rem;color:var(--acl);font-weight:500}
.ob-ft-bot{margin-top:38px;padding-top:18px;border-top:1px solid var(--bd);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.ob-ft-bot p{font-size:.78rem;color:var(--t3);margin:0}
.ob-ft-soc{display:flex;gap:10px}
.ob-ft-soc a{width:34px;height:34px;border-radius:8px;background:rgba(255,255,255,.04);display:flex;align-items:center;justify-content:center;color:var(--t3);font-size:.95rem;transition:all .2s}
.ob-ft-soc a:hover{background:var(--ac);color:#fff}

/* Animations */
.fade-up{opacity:0;transform:translateY(28px);transition:all .6s cubic-bezier(.16,1,.3,1)}
.fade-up.vis{opacity:1;transform:translateY(0)}

/* Responsive */
@media(max-width:991px){.ob-gr{display:none}.ob-mob{display:none}.ob-sb{width:180px;min-width:180px}.mock-canvas{grid-template-columns:1fr}}
@media(max-width:767px){
    .ob-nav-links{display:none!important}
    .ob-hamburger{display:block}
    .ob-nav-links.show{display:flex!important;flex-direction:column;position:fixed;top:60px;left:0;right:0;background:rgba(12,12,20,.98);backdrop-filter:blur(24px);padding:12px 16px;border-bottom:1px solid var(--bd);z-index:1049}
    .ob-sb{display:none}.ob-app-body{min-height:320px}.ob-hero{padding:130px 0 50px}
    .ob-ft-bot{flex-direction:column;text-align:center}
    .cta-features{gap:24px}
}
::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:rgba(255,255,255,.07);border-radius:3px}