:root{
  --bg:#0B0F19; --panel:#121826; --panel2:#171E2E; --line:#242C3C;
  --text:#EDF2F7; --body:#EDF2F7; --muted:#B7C0CC; --dim:#8891A0;
  --ice:#39CFF5; --cyan:#12B8D6; --ice-soft:rgba(57,207,245,.12);
  --grad-ice:linear-gradient(135deg,#39CFF5 0%,#12B8D6 100%);
  --grad-ti:linear-gradient(160deg,#EAEDF2 0%,#B9C0CC 45%,#DDE2E9 70%,#AEB6C4 100%);
  --ti:#C5CCD6; --ti100:#EDF2F7; --dblue:#3B82F6; --dcyan:#22D3EE;
  --green:#22C55E; --warn:#F59E0B; --red:#EF4444; --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;color-scheme:dark}
body{background:var(--bg);color:var(--text);font-family:'Inter','Noto Sans SC',sans-serif;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.mono{font-family:'IBM Plex Mono',monospace}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--ice)}
h1{font-family:'Michroma',sans-serif;font-weight:400;line-height:1.25}
h2{font-family:'Saira','Noto Sans SC',sans-serif;font-weight:600;font-size:32px;margin:10px 0 14px;line-height:1.25}
h3{font-family:'Saira','Noto Sans SC',sans-serif;font-weight:600}
h1,h2,h3{color:#FFFFFF}
.section{padding:80px 0}
.section-sub{color:var(--body);max-width:640px;font-size:15.5px}
:focus-visible{outline:2px solid var(--ice);outline-offset:3px;border-radius:4px}
#app{min-height:60vh;animation:pageIn .3s ease}
@keyframes pageIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* NAV */
nav.top{position:sticky;top:0;z-index:50;background:rgba(10,14,22,.88);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.logo{display:flex;align-items:center;gap:11px;font-family:'Michroma',sans-serif;font-size:15px;letter-spacing:.08em;white-space:nowrap}
.nav-links{display:flex;gap:22px;font-size:15px;color:var(--muted)}
.nav-links a{padding:4px 0;border-bottom:2px solid transparent}
.nav-links a:hover{color:var(--text)}
.nav-links a.on{color:var(--text);border-bottom-color:var(--cyan)}
.nav-right{display:flex;align-items:center;gap:12px}
.lang-btn{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.08em;color:var(--muted);border:1px solid var(--line);border-radius:99px;padding:6px 13px;background:none;cursor:pointer}
.lang-btn:hover{color:var(--text);border-color:#3a4356}
.btn{display:inline-block;padding:10px 16px;border-radius:8px;font-weight:500;font-size:14px;font-family:'Inter','Noto Sans SC',sans-serif;transition:transform .15s,box-shadow .15s,filter .15s;cursor:pointer;border:none}
.btn-primary{background:var(--grad-ice);color:#0B0F19}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.07);box-shadow:0 6px 24px rgba(57,207,245,.3)}
.btn-ti{background:var(--grad-ti);color:#0A0E16}
.btn-ghost{background:none;border:1px solid var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--ice)}
.btn-sm{padding:7px 13px;font-size:13px}
.btn:disabled{opacity:.4;pointer-events:none}
.acct-chip{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:99px;padding:6px 13px}
.acct-chip b{color:var(--green);font-weight:500}
.hamb{display:none;background:none;border:1px solid var(--line);border-radius:8px;color:var(--text);padding:8px 12px;cursor:pointer;font-size:16px}
.mobile-menu{display:none;border-top:1px solid var(--line);padding:14px 24px 20px;flex-direction:column;gap:12px;font-size:15px;color:var(--muted)}
.mobile-menu.open{display:flex}

/* HERO / STREAM */
.hero{padding:88px 0 72px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse at 78% 10%,rgba(57,207,245,.12),transparent 55%),url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='760' height='560' viewBox='0 0 760 560'%3E%3Cg stroke='%2339CFF5' stroke-width='1' fill='none' opacity='.16'%3E%3Cpath d='M740 20 L600 120 L640 250 M600 120 L470 90 M470 90 L360 190 L420 320 M640 250 L500 300 L360 190 M500 300 L560 430 M740 20 L470 90'/%3E%3C/g%3E%3Cg fill='%2339CFF5'%3E%3Ccircle cx='740' cy='20' r='2.5' opacity='.7'/%3E%3Ccircle cx='600' cy='120' r='2' opacity='.55'/%3E%3Ccircle cx='470' cy='90' r='2' opacity='.5'/%3E%3Ccircle cx='640' cy='250' r='2' opacity='.5'/%3E%3Ccircle cx='360' cy='190' r='1.8' opacity='.4'/%3E%3Ccircle cx='500' cy='300' r='1.8' opacity='.4'/%3E%3Ccircle cx='420' cy='320' r='1.5' opacity='.3'/%3E%3Ccircle cx='560' cy='430' r='1.5' opacity='.3'/%3E%3C/g%3E%3C/svg%3E") no-repeat right -40px top -60px;pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative}
.hero h1{font-family:'Saira','Noto Sans SC',sans-serif;font-weight:600;font-size:clamp(30px,4.6vw,46px);letter-spacing:0;text-transform:none;line-height:1.18}
.hero h1 em{font-style:normal;background:var(--grad-ice);-webkit-background-clip:text;background-clip:text;color:transparent}
.subhead{font-family:'Saira','Noto Sans SC',sans-serif;font-weight:400;font-size:17px;letter-spacing:.02em;color:var(--ti100);margin-top:16px}
.hero p.lead{color:var(--body);font-size:16.5px;margin:14px 0 30px;max-width:540px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.trust{margin-top:26px;font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--dim);letter-spacing:.04em}
.trust b{color:var(--muted);font-weight:500}
.stream{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.stream-head{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line);font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--muted)}
.dot{width:9px;height:9px;border-radius:50%}
.live{margin-left:auto;display:flex;align-items:center;gap:6px;color:var(--green)}
.live .dot{background:var(--green);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.stream-body{height:320px;overflow:hidden;padding:14px 16px;font-family:'IBM Plex Mono',monospace;font-size:12.5px;line-height:1.7;display:flex;flex-direction:column;justify-content:flex-end}
.rec{opacity:0;transform:translateY(8px);animation:recIn .5s ease forwards;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@keyframes recIn{to{opacity:1;transform:none}}
.rec .src{color:var(--dcyan)}.rec .k{color:var(--dim)}.rec .s{color:var(--ti)}.rec .h{color:var(--ice)}
@media(prefers-reduced-motion:reduce){.rec{animation:none;opacity:1;transform:none}.live .dot{animation:none}.btn-primary:hover{transform:none}#app{animation:none}}

/* SHARED */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--panel)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:26px 24px}
.stat b{font-family:'Saira',sans-serif;font-size:29px;font-weight:600;display:block}
.stat span{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--dim);letter-spacing:.08em;text-transform:uppercase}
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.card h3{font-size:19px;margin:14px 0 10px}
.card p{color:var(--body);font-size:14.5px}
.pill-tag{display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:11px;padding:4px 10px;border-radius:99px;background:var(--ice-soft);color:var(--ice);letter-spacing:.08em}
.tbl{overflow-x:auto;margin-top:40px;border:1px solid var(--line);border-radius:var(--radius)}
table{width:100%;border-collapse:collapse;min-width:680px;font-size:14px}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
thead th{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);background:var(--panel2)}
tbody tr:last-child td{border-bottom:none}
td.yes{color:var(--green)}td.part{color:var(--ice)}td.no{color:var(--dim)}
th.qcol,td.qcol{background:rgba(57,207,245,.06)}
td:first-child{color:var(--muted)}
.pnum{font-family:'IBM Plex Mono',monospace;color:var(--text)}
.page-head{padding:64px 0 4px}
.page-head p{color:var(--body);max-width:640px;margin-top:6px;font-size:15.5px}
.crumb{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--dim);letter-spacing:.06em;padding-top:28px}
.crumb a:hover{color:var(--ice)}
.cta-final{text-align:center;padding:90px 0}
.cta-final h2{font-size:32px}
.cta-final p{color:var(--body);margin:16px auto 32px;max-width:480px}

/* PRODUCTS */
.layer-block{display:grid;grid-template-columns:290px 1fr;gap:40px;padding:48px 0}
.lb-side .lnum{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--ice);letter-spacing:.14em}
.lb-side h3{font-size:24px;margin:10px 0 8px}
.lb-side .en{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--dim);letter-spacing:.06em;text-transform:uppercase}
.lb-side .lprice{margin-top:18px;font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--muted);line-height:2}
.lb-side .lprice b{color:var(--text);font-weight:500}
.lb-main p{color:var(--body);font-size:15px;max-width:640px}
.feat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:22px}
.feat{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px 18px}
.feat b{display:block;font-size:14px;font-weight:600;margin-bottom:4px}
.feat span{font-size:13px;color:var(--muted)}
.codebox{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);margin-top:26px;overflow:hidden}
.tabs{display:flex;border-bottom:1px solid var(--line)}
.tab{font-family:'IBM Plex Mono',monospace;font-size:13px;padding:13px 22px;color:var(--dim);cursor:pointer;border:none;background:none;border-bottom:2px solid transparent}
.tab.active{color:var(--text);border-bottom-color:var(--ice)}
pre{padding:22px;font-family:'IBM Plex Mono',monospace;font-size:12.8px;line-height:1.75;overflow-x:auto}
.codebox pre{display:none}
.codebox pre.active{display:block}
pre .c{color:var(--dim)}pre .s{color:var(--dcyan)}pre .kw{color:var(--dblue)}pre .fn{color:var(--dcyan)}
.jsonbox pre .fn{color:var(--ice)}pre .n{color:var(--ti)}
.prod-nav{display:flex;gap:8px;flex-wrap:wrap;margin-top:28px}

/* COVERAGE */
.dir-tools{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin:32px 0 8px}
.dir-search{flex:1;min-width:240px;background:var(--panel);border:1px solid var(--line);border-radius:9px;padding:11px 16px;color:var(--text);font-family:'IBM Plex Mono',monospace;font-size:13px}
.dir-search::placeholder{color:var(--dim)}
.fbtn{font-family:'IBM Plex Mono',monospace;font-size:12px;padding:9px 16px;border:1px solid var(--line);border-radius:99px;color:var(--muted);background:none;cursor:pointer;letter-spacing:.04em}
.fbtn.on{border-color:var(--cyan);color:var(--ice)}
.dir-legend{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--dim);margin-top:14px;letter-spacing:.04em}
.dir-legend .moat{color:var(--ice)}
.dir-group{margin-top:40px}
.dir-group>h3{font-size:14px;font-family:'IBM Plex Mono',monospace;font-weight:400;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding-bottom:12px;border-bottom:1px solid var(--line)}
.dir-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}
.site{display:block;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px 20px;transition:border-color .15s,transform .15s}
.site:hover{border-color:#3a4356;transform:translateY(-2px)}
.site.moat{border-color:rgba(57,207,245,.35)}
.site-top{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.site-top b{font-family:'Saira','Noto Sans SC',sans-serif;font-weight:600;font-size:16px}
.moat-mark{font-family:'IBM Plex Mono',monospace;font-size:10px;color:var(--ice);letter-spacing:.1em}
.site-caps{margin-top:10px;display:flex;flex-wrap:wrap;gap:6px}
.cap{font-family:'IBM Plex Mono',monospace;font-size:11px;padding:3px 9px;border-radius:99px;border:1px solid var(--line);color:var(--muted)}
.site-fresh{margin-top:12px;font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--dim);letter-spacing:.04em}
.site-fresh .g{color:var(--green)}
.dir-note{margin-top:36px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px 28px;font-size:14px;color:var(--body)}
.dir-note b{color:var(--text)}
.jsonbox{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:22px}
.jsonbox .jhead{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding:11px 18px;border-bottom:1px solid var(--line);font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--muted)}
.jsonbox .jhead .h{color:var(--ice)}
.jsonbox pre{display:block}
.plat-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}

/* PRICING / FORMS */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.plan{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;display:flex;flex-direction:column}
.plan.featured{border-color:var(--cyan);background:linear-gradient(180deg,rgba(57,207,245,.07),var(--panel) 60%)}
.plan h3{font-size:17px}
.price{font-family:'Saira',sans-serif;font-size:36px;font-weight:600;margin:14px 0 2px}
.price small{font-size:14px;font-weight:400;color:var(--muted);font-family:'Inter','Noto Sans SC',sans-serif}
.plan ul{list-style:none;margin:22px 0 28px;flex:1}
.plan li{font-size:14px;color:var(--body);padding:7px 0;border-bottom:1px dashed var(--line)}
.plan li::before{content:'→ ';color:var(--cyan)}
.per{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--ice)}
.pay-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.pay{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.pay .plab{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--ice);letter-spacing:.14em}
.pay h3{font-size:17px;margin:10px 0 8px}
.pay p{font-size:13.5px;color:var(--body)}
.comp-band{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:36px;display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;margin-top:48px}
.badges{display:flex;flex-wrap:wrap;gap:12px}
.badge{font-family:'IBM Plex Mono',monospace;font-size:12px;padding:9px 16px;border:1px solid var(--line);border-radius:8px;color:var(--muted)}
.badge b{color:var(--green);font-weight:500}
.redline{margin-top:40px;border:1px solid var(--line);border-radius:var(--radius);padding:26px 30px;background:var(--panel)}
.redline h3{font-size:16px;margin-bottom:10px}
.redline p{font-size:14px;color:var(--body)}
.faq{margin-top:48px;display:grid;gap:12px;max-width:760px}
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px 22px}
.faq summary{cursor:pointer;font-weight:600;font-size:15px;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:'→ ';color:var(--cyan)}
.faq details[open] summary::before{content:'↓ '}
.faq details p{margin-top:10px;font-size:14px;color:var(--body)}

.form-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:34px;max-width:520px}
.form-wide{max-width:720px}
.fld{margin-bottom:18px}
.fld label{display:block;font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.fld input,.fld select,.fld textarea{width:100%;background:var(--panel2);border:1px solid var(--line);border-radius:9px;padding:12px 14px;color:var(--text);font-family:'Inter','Noto Sans SC',sans-serif;font-size:14.5px}
.fld textarea{min-height:96px;resize:vertical}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:none;border-color:var(--cyan)}
.form-err{color:var(--red);font-size:13px;margin:-6px 0 14px;display:none}
.form-ok{color:var(--green);font-size:13.5px;margin-top:14px}
.form-switch{margin-top:18px;font-size:13.5px;color:var(--muted)}
.form-switch a{color:var(--ice)}
.auth-tabs{display:flex;gap:8px;margin-bottom:26px}
.calc{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:18px 20px;margin:6px 0 20px;font-family:'IBM Plex Mono',monospace;font-size:13px;line-height:2}
.calc .row{display:flex;justify-content:space-between;gap:12px}
.calc .row.total{border-top:1px solid var(--line);margin-top:8px;padding-top:8px;font-size:15px}
.calc .g{color:var(--ice)}
.calc .gr{color:var(--green)}

/* CONSOLE */
.con-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:36px}
.con-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.con-card h3{font-size:16px;margin-bottom:14px}
.keybox{display:flex;gap:10px;align-items:center;background:var(--panel2);border:1px solid var(--line);border-radius:9px;padding:12px 14px;font-family:'IBM Plex Mono',monospace;font-size:13px;overflow:auto}
.keybox code{flex:1;color:var(--ice)}
.status{font-family:'IBM Plex Mono',monospace;font-size:11px;padding:3px 10px;border-radius:99px;letter-spacing:.08em}
.st-ok{background:rgba(34,197,94,.12);color:var(--green)}
.st-wait{background:rgba(245,158,11,.12);color:var(--warn)}
.list-empty{color:var(--dim);font-size:13.5px;font-family:'IBM Plex Mono',monospace}
.con-list{display:grid;gap:10px}
.con-item{border:1px solid var(--line);border-radius:10px;padding:13px 16px;font-size:13.5px;display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.con-item .meta{color:var(--muted);font-family:'IBM Plex Mono',monospace;font-size:12px}
.demo-note{margin-top:28px;font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--dim);letter-spacing:.04em}

/* TOAST */
#toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--panel2);border:1px solid var(--cyan);color:var(--text);border-radius:10px;padding:13px 22px;font-size:14px;opacity:0;pointer-events:none;transition:.25s;z-index:99;max-width:90vw}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* FOOTER (TikHub-style sitemap) */
footer{border-top:1px solid var(--line);margin-top:40px;background:var(--panel)}
.foot-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:32px;padding:56px 0 40px}
.foot-col h4{font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);margin-bottom:16px;font-weight:500}
.foot-col a{display:block;font-size:14px;color:var(--muted);padding:6px 0}
.foot-col a:hover{color:var(--text)}
.foot-contact{border-top:1px solid var(--line);padding:26px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.foot-contact .mail{font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--muted)}
.foot-contact .mail a{color:var(--ice)}
.socials{display:flex;gap:12px}
.soc{display:flex;align-items:center;gap:8px;font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--muted);border:1px solid var(--line);border-radius:8px;padding:8px 14px}
.soc:hover{color:var(--text);border-color:#3a4356}
.soc svg{width:15px;height:15px;fill:currentColor}
.foot-legal{border-top:1px solid var(--line);padding:24px 0 36px;font-size:12.5px;color:var(--dim);line-height:1.8}
.foot-legal p{max-width:640px}
.foot-legal .copy{margin-top:12px;font-family:'IBM Plex Mono',monospace;letter-spacing:.04em}

@media(max-width:940px){
  .hero-grid,.comp-band,.con-grid{grid-template-columns:1fr}
  .hero h1{font-size:24px}h2{font-size:26px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .cards3,.plans,.pay-grid,.feat-grid,.plat-meta{grid-template-columns:1fr}
  .dir-grid{grid-template-columns:1fr 1fr}
  .layer-block{grid-template-columns:1fr;gap:18px}
  .nav-links{display:none}
  .hamb{display:block}
  .foot-grid{grid-template-columns:1fr 1fr;gap:24px}
}
@media(max-width:560px){.dir-grid,.foot-grid{grid-template-columns:1fr}}

/* ADMIN */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.kpi{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.kpi span{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);display:block}
.kpi b{font-family:'Saira',sans-serif;font-size:24px;font-weight:600;display:block;margin-top:6px}
.kpi i{font-style:normal;font-family:'IBM Plex Mono',monospace;font-size:10px;color:var(--dim);display:block;margin-top:2px}
canvas.chart{display:block;width:100%;height:220px}
.adm-act{white-space:nowrap}
.adm-act .btn{margin-right:6px;margin-bottom:4px}
@media(max-width:940px){.kpi-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.kpi-grid{grid-template-columns:1fr 1fr}}
.method{display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.08em;padding:3px 9px;border-radius:6px;background:var(--ice-soft);color:var(--ice);vertical-align:2px;margin-right:8px}
/* 文字层主强调 = 冰川蓝（V4.0：主强调/CTA/焦点，稀缺资源纪律内应用） */
main p a:not(.btn),main li a:not(.btn),.dir-note a,.faq a{color:var(--ice)}
main p a:not(.btn):hover,main li a:not(.btn):hover,.dir-note a:hover{color:var(--cyan)}
.plan.featured .price{background:var(--grad-ice);-webkit-background-clip:text;background-clip:text;color:transparent}
::selection{background:rgba(57,207,245,.3);color:#0B0F19}


/* ===== V7 · 主题切换钮 ===== */
.theme-btn{width:34px;height:34px;flex:0 0 auto;border-radius:8px;border:1px solid var(--line);background:transparent;color:var(--muted);font-size:15px;line-height:1;cursor:pointer;transition:color .15s,border-color .15s}
.theme-btn:hover{color:var(--text);border-color:var(--muted)}
@media(max-width:420px){.theme-btn{width:30px;height:30px;font-size:13px}}
body{transition:background-color .25s ease,color .25s ease}
@media (prefers-reduced-motion:reduce){body{transition:none}}

/* ===== V7 · 浅色模式（L1 · V4.1 规范）===== */
html[data-theme="light"]{
  --bg:#F7F9FC; --panel:#FFFFFF; --panel2:#F1F5F9; --line:#D9E2EC;
  --text:#111827; --body:#111827; --muted:#6B7280; --dim:#6B7280;
  --ice:#0E7490; --cyan:#155E75; --ice-soft:rgba(14,116,144,.08);
  --grad-ice:linear-gradient(135deg,#0E7490 0%,#155E75 100%);
  --ti:#6B7280; --ti100:#111827;
}
html[data-theme="light"] h1,html[data-theme="light"] h2,html[data-theme="light"] h3{color:#111827}
html[data-theme="light"] nav{background:rgba(247,249,252,.88);border-bottom:1px solid #D9E2EC}
html[data-theme="light"] .btn-primary{color:#F7F9FC}
html[data-theme="light"] .hero::before{background:radial-gradient(ellipse at 72% 18%,rgba(18,184,214,.12),transparent 55%)}
html[data-theme="light"] .stream{--panel:#0B0F19;--panel2:#171E2E;--line:#242C3C;--text:#EDF2F7;--body:#EDF2F7;--muted:#9AA3B2;--dim:#5E6878;--ti:#C5CCD6;--ti100:#EDF2F7;--ice:#39CFF5;--cyan:#12B8D6;background:#0B0F19;border-color:#242C3C;box-shadow:0 24px 60px rgba(11,15,25,.16)}
html[data-theme="light"] th.qcol,html[data-theme="light"] td.qcol{background:rgba(14,116,144,.06)}