@font-face{font-family:"Inter";font-style:normal;font-weight:100 900;font-display:swap;src:url(/assets/fonts/inter-var.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2000-2017,U+201E-206F,U+20AC,U+2122,U+2190-2199,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Vazirmatn";font-style:normal;font-weight:400;font-display:swap;src:url(/assets/fonts/vazirmatn-400.woff2) format("woff2");unicode-range:U+0600-06FF,U+0750-077F,U+08A0-08FF,U+FB50-FDFF,U+FE70-FEFF,U+2018-201D}
@font-face{font-family:"Vazirmatn";font-style:normal;font-weight:500 600;font-display:swap;src:url(/assets/fonts/vazirmatn-500.woff2) format("woff2");unicode-range:U+0600-06FF,U+0750-077F,U+08A0-08FF,U+FB50-FDFF,U+FE70-FEFF,U+2018-201D}
@font-face{font-family:"Vazirmatn";font-style:normal;font-weight:700 900;font-display:swap;src:url(/assets/fonts/vazirmatn-700.woff2) format("woff2");unicode-range:U+0600-06FF,U+0750-077F,U+08A0-08FF,U+FB50-FDFF,U+FE70-FEFF,U+2018-201D}

:root{
  --bg:#ffffff;--bg-soft:#f2f7f7;--bg-card:#ffffff;--bg-sunk:#f7fafa;
  --text:#0d1c20;--text-2:#34494f;--muted:#5a6e74;--line:#dfe8ea;--line-2:#cfdcdf;
  --brand:#0f6e69;--brand-600:#0b5854;--brand-400:#27a199;--brand-soft:#e1f2f0;--brand-ink:#ffffff;
  --ok:#137a4d;--ok-soft:#e4f4ec;--danger:#b3261e;--danger-soft:#fdecea;--warn:#8f5500;--warn-soft:#fff3df;
  --ring:0 0 0 3px rgba(39,161,153,.35);
  --sh-sm:0 1px 2px rgba(13,28,32,.06),0 1px 1px rgba(13,28,32,.03);
  --sh:0 18px 40px -22px rgba(13,28,32,.30),0 2px 6px -2px rgba(13,28,32,.06);
  --r:18px;--r-sm:12px;--wrap:1160px;--gut:20px;--hdr:64px;
  --font:"Inter","Vazirmatn",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Noto Sans CJK SC","WenQuanYi Zen Hei",sans-serif;
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0b1518;--bg-soft:#0f1d21;--bg-card:#111f23;--bg-sunk:#0d1a1e;
  --text:#e6eff0;--text-2:#bfd0d3;--muted:#93a9ae;--line:#203238;--line-2:#2a3f45;
  --brand:#3fb8b0;--brand-600:#5cc9c1;--brand-400:#3fb8b0;--brand-soft:#123331;--brand-ink:#04211f;
  --ok:#5fd29a;--ok-soft:#0f2c20;--danger:#ff8a80;--danger-soft:#3a1714;--warn:#f5c26b;--warn-soft:#33260f;
  --sh-sm:0 1px 2px rgba(0,0,0,.4);--sh:0 18px 40px -22px rgba(0,0,0,.7);
}}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--hdr) + 16px)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16.5px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
:lang(ar) body,body:lang(ar){line-height:1.85;font-size:17px}
:lang(zh) body,body:lang(zh){line-height:1.8}
h1,h2,h3{line-height:1.22;margin:0 0 .5em;color:var(--text);letter-spacing:-.015em;font-weight:750}
:lang(ar) h1,:lang(ar) h2,:lang(ar) h3,:lang(zh) h1,:lang(zh) h2,:lang(zh) h3{letter-spacing:0;line-height:1.4}
p{margin:0 0 1em}
h1,h2,.sec-head p,.cta-box p{text-wrap:balance}
a{color:var(--brand);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--brand-600)}
img,svg{max-width:100%}
.ic{width:1.25em;height:1.25em;flex:none}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gut)}
.narrow{max-width:860px}
.muted{color:var(--muted)}
[dir=rtl] .flip{transform:scaleX(-1)}
bdi{unicode-bidi:isolate}
.nw{white-space:nowrap}

.skip{position:absolute;inset-inline-start:12px;top:-60px;z-index:100;background:var(--brand);color:var(--brand-ink);padding:10px 16px;border-radius:10px;font-weight:650;text-decoration:none}
.skip:focus{top:10px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;min-height:44px;max-width:100%;padding:.62em 1.15em;border-radius:12px;border:1.5px solid transparent;font:inherit;font-weight:650;line-height:1.25;text-align:center;text-decoration:none;cursor:pointer;transition:background .15s,border-color .15s,color .15s,box-shadow .15s,transform .15s;white-space:normal}
.hdr .btn{white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-sm{min-height:38px;padding:.45em .9em;font-size:.92rem;border-radius:10px}
.btn-lg{min-height:52px;padding:.8em 1.45em;font-size:1.03rem;border-radius:14px}
.btn-block{width:100%}
.btn-primary{background:var(--brand);color:var(--brand-ink);box-shadow:0 8px 18px -10px rgba(15,110,105,.75)}
.btn-primary:hover{background:var(--brand-600);color:var(--brand-ink)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-light{background:#fff;color:#0b4f4b}
.btn-light:hover{background:#eaf7f6;color:#0b4f4b}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost-light:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08)}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{filter:brightness(.92);color:#fff}
@media (prefers-color-scheme:dark){.btn-danger{color:#2a0503}.btn-danger:hover{color:#2a0503}}
.btn[aria-busy=true]{opacity:.7;pointer-events:none}

/* header */
.hdr{position:sticky;top:0;z-index:50;background:var(--bg);border-bottom:1px solid var(--line)}
.hdr-row{display:flex;align-items:center;gap:16px;height:var(--hdr)}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:800;font-size:1.18rem;letter-spacing:-.01em}
.brand:hover{color:var(--text)}
.brand .logo{width:23px;height:31px;color:var(--brand)}
.nav{display:flex;align-items:center;gap:4px;margin-inline-start:16px}
.nav a{color:var(--text-2);text-decoration:none;font-weight:560;padding:8px 12px;border-radius:10px;font-size:.96rem}
.nav a:hover,.nav a[aria-current]{color:var(--brand);background:var(--brand-soft)}
.hdr-end{display:flex;align-items:center;gap:8px;margin-inline-start:auto}
.dd{position:relative}
.dd>summary{list-style:none;display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:6px 10px;border:1.5px solid var(--line-2);border-radius:10px;cursor:pointer;color:var(--text-2);font-weight:600;font-size:.9rem;user-select:none}
.dd>summary::-webkit-details-marker{display:none}
.dd>summary:hover{border-color:var(--brand);color:var(--brand)}
.dd .chev{width:1em;height:1em;transition:transform .15s}
.dd[open] .chev{transform:rotate(180deg)}
.dd-panel{position:absolute;inset-inline-end:0;top:calc(100% + 8px);min-width:190px;margin:0;padding:6px;list-style:none;background:var(--bg-card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--sh);z-index:60}
.dd-panel a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;color:var(--text);text-decoration:none;font-weight:560}
.dd-panel a:hover{background:var(--brand-soft);color:var(--brand)}
.dd-panel a[aria-current]{color:var(--brand);font-weight:700}
.dd-panel a[aria-current]::after{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand);margin-inline-start:auto}
.mnav{display:none}
.mnav>summary{padding:6px 9px}
.mnav .i-close{display:none}
.mnav[open] .i-open{display:none}
.mnav[open] .i-close{display:block}
.mnav-panel{min-width:240px}
.mnav-panel a{padding:12px 14px}
.mnav-acct{border-top:1px solid var(--line);margin-top:4px;padding-top:14px!important}
@media (max-width:899.98px){.nav{display:none}.mnav{display:block}}
@media (max-width:599.98px){.hdr-cta{display:none}:root{--gut:16px}}

/* hero */
.hero{position:relative;padding:56px 0 64px;background:radial-gradient(60% 70% at 88% 0%,rgba(39,161,153,.16),transparent 62%),var(--bg);overflow:hidden}
[dir=rtl] .hero{background:radial-gradient(60% 70% at 12% 0%,rgba(39,161,153,.16),transparent 62%),var(--bg)}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:40px;align-items:center}
.kicker{display:inline-flex;align-items:center;gap:8px;margin:0 0 14px;padding:6px 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-weight:700;font-size:.88rem}
.hero h1{font-size:clamp(2.05rem,1.25rem + 3.1vw,3.45rem);font-weight:820;margin-bottom:.45em}
.lead{font-size:clamp(1.03rem,.98rem + .3vw,1.16rem);color:var(--text-2);max-width:40em}
.hero-act{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 22px}
.chips{display:flex;flex-wrap:wrap;gap:10px 18px;margin:0;padding:0;list-style:none;color:var(--text-2);font-weight:560;font-size:.95rem}
.chips li{display:inline-flex;align-items:center;gap:7px}
.chips .ic{color:var(--brand);width:1.15em;height:1.15em}
.hero-vis{display:flex;justify-content:center}
.hero-art{width:100%;max-width:440px;height:auto}
.ha-orbit{stroke:#9fd2cd}.ha-dots{fill:var(--brand-400)}.ha-links{stroke:var(--brand-400)}
.ha-phone{fill:#14262b}.ha-screen{fill:#ffffff}.ha-notch{fill:#d8e5e7}.ha-ring{fill:none;stroke:var(--brand-400);stroke-opacity:.28;stroke-width:9}
.ha-pill{fill:#e3f4ec}.ha-ok{fill:#16a061}.ha-ok2{fill:#16a061;fill-opacity:.65}.ha-row{fill:#f0f6f7}.ha-acc{fill:#27a199}.ha-txt{fill:#a9bcc1}
@media (prefers-color-scheme:dark){.ha-orbit{stroke:#244a48}.ha-phone{fill:#050c0e}.ha-screen{fill:#13252a}.ha-notch{fill:#26393e}.ha-pill{fill:#103425}.ha-row{fill:#1a2f34}.ha-txt{fill:#3e5a61}}
@media (max-width:899.98px){.hero{padding:36px 0 44px}.hero-grid{grid-template-columns:1fr;gap:20px}.hero-vis{order:2}.hero-art{max-width:300px}}
@media (max-width:420px){.hero-act .btn{flex:1 1 100%}}

/* sections */
.sec{padding:76px 0}
.sec-soft{background:var(--bg-soft)}
.sec-head{text-align:center;max-width:720px;margin:0 auto 38px}
.sec-head h2{font-size:clamp(1.6rem,1.1rem + 1.7vw,2.3rem)}
.sec-head p{color:var(--muted);font-size:1.06rem;margin:0}
@media (max-width:599.98px){.sec{padding:52px 0}.sec-head{margin-bottom:26px}}
.feat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.feat{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;box-shadow:var(--sh-sm);transition:transform .2s,box-shadow .2s,border-color .2s}
.feat:hover{transform:translateY(-2px);box-shadow:var(--sh);border-color:var(--line-2)}
.feat-ic{display:inline-grid;place-items:center;width:48px;height:48px;border-radius:14px;background:var(--brand-soft);color:var(--brand);margin-bottom:16px}
.feat-ic .ic{width:24px;height:24px}
.feat h3{font-size:1.14rem;margin-bottom:.4em}
.feat p{color:var(--muted);margin:0}
@media (max-width:979.98px){.feat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:639.98px){.feat-grid{grid-template-columns:1fr;gap:14px}.feat{padding:20px 18px;display:grid;grid-template-columns:auto 1fr;column-gap:14px}.feat-ic{margin:0;grid-row:span 2;width:44px;height:44px}.feat h3{margin-bottom:.2em}}

.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:0;padding:0;list-style:none;counter-reset:s}
.step{display:flex;gap:16px;align-items:flex-start;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.step-n{flex:none;display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--brand);color:var(--brand-ink);font-weight:800;font-size:1.05rem}
.step h3{font-size:1.08rem;margin-bottom:.3em}
.step p{margin:0;color:var(--muted)}
.steps-note{text-align:center;margin:26px 0 0;color:var(--text-2);font-weight:560}
@media (max-width:859.98px){.steps{grid-template-columns:1fr;gap:12px}.step{padding:18px}}

.apps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:18px}
.app{display:flex;flex-direction:column;align-items:flex-start;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r);padding:24px 22px;box-shadow:var(--sh-sm)}
.app-ic{display:inline-grid;place-items:center;width:52px;height:52px;border-radius:15px;background:linear-gradient(135deg,var(--brand-400),var(--brand));color:#fff;margin-bottom:16px}
.app-ic .ic{width:26px;height:26px}
.app h3{font-size:1.15rem;margin-bottom:.3em}
.app p{color:var(--muted);flex:1;margin-bottom:18px}
.app .btn{white-space:normal;text-align:center}
.soon{display:inline-flex;align-items:center;gap:7px;padding:9px 14px;border-radius:12px;background:var(--bg-sunk);border:1.5px dashed var(--line-2);color:var(--muted);font-weight:650;font-size:.95rem;width:100%;justify-content:center}
.app-soon .app-ic{background:var(--bg-sunk);color:var(--muted);border:1px solid var(--line)}
@media (max-width:639.98px){.apps-grid{grid-template-columns:1fr;gap:12px}.app{display:grid;grid-template-columns:auto 1fr;column-gap:14px;align-items:center;padding:18px}.app-ic{margin:0;grid-row:span 2;width:46px;height:46px}.app h3{margin:0}.app p{margin:0;font-size:.95rem}.app .btn,.app .soon{grid-column:1 / -1;margin-top:14px}}

.faq{display:grid;gap:10px}
.faq-item{background:var(--bg-card);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq-item>summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:17px 20px;cursor:pointer;font-weight:650;font-size:1.04rem}
.faq-item>summary::-webkit-details-marker{display:none}
.faq-item>summary:hover{color:var(--brand)}
.faq-item .chev{color:var(--muted);transition:transform .2s}
.faq-item[open]>summary .chev{transform:rotate(180deg);color:var(--brand)}
.faq-a{padding:0 20px 6px;color:var(--text-2)}
.faq-item[open]{border-color:var(--line-2);box-shadow:var(--sh-sm)}

.cta{padding:20px 0 84px}
.sec-soft+.cta{background:linear-gradient(var(--bg-soft) 0 50%,var(--bg) 50% 100%);padding-top:0}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:24px 40px;flex-wrap:wrap;background:linear-gradient(120deg,#0f6e69 0%,#0b4f4b 55%,#0a3f3c 100%);color:#fff;border-radius:24px;padding:40px 44px;box-shadow:var(--sh)}
.cta-box h2{color:#fff;font-size:clamp(1.45rem,1.05rem + 1.4vw,2rem);margin-bottom:.25em}
.cta-box p{margin:0;color:#cfe9e6;font-size:1.06rem}
.cta-act{display:flex;flex-wrap:wrap;gap:12px}
@media (max-width:599.98px){.cta{padding-bottom:56px}.cta-box{padding:28px 22px;border-radius:20px}.cta-act{width:100%}.cta-act .btn{flex:1 1 100%}}

/* page head, legal */
.pg-head{background:var(--bg-soft);border-bottom:1px solid var(--line);padding:34px 0 30px}
.pg-head h1{font-size:clamp(1.75rem,1.2rem + 2vw,2.6rem);margin:.2em 0 .3em}
.pg-lead{color:var(--text-2);font-size:1.08rem;max-width:46em;margin:0}
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:6px;font-size:.9rem;color:var(--muted)}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--brand)}
.crumb-sep{width:.95em;height:.95em;transform:rotate(-90deg)}
[dir=rtl] .crumb-sep{transform:rotate(90deg)}
.updated{display:inline-flex;align-items:center;gap:7px;margin:0;padding:5px 12px;border-radius:999px;background:var(--bg-card);border:1px solid var(--line);color:var(--muted);font-size:.9rem;font-weight:560}
.legal{display:grid;grid-template-columns:270px minmax(0,1fr);gap:48px;padding-top:36px;padding-bottom:72px;align-items:start}
.legal-single{grid-template-columns:minmax(0,1fr);justify-items:center}
.legal-single .prose{width:100%;max-width:800px}
.toc{position:sticky;top:calc(var(--hdr) + 20px);max-height:calc(100vh - var(--hdr) - 40px);overflow:auto}
.toc-box>summary{list-style:none;display:flex;align-items:center;justify-content:space-between;font-weight:700;font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding:6px 0 10px;cursor:pointer}
:lang(ar) .toc-box>summary,:lang(zh) .toc-box>summary,:lang(ru) .toc-box>summary{text-transform:none;letter-spacing:0;font-size:.92rem}
.toc-box>summary::-webkit-details-marker{display:none}
.toc-box .chev{display:none;width:1.1em;height:1.1em}
.toc ol{margin:0;padding:0;list-style:none;border-inline-start:2px solid var(--line)}
.toc a{display:flex;gap:10px;padding:7px 12px;margin-inline-start:-2px;border-inline-start:2px solid transparent;color:var(--text-2);text-decoration:none;font-size:.93rem;line-height:1.45}
.toc a:hover{color:var(--brand);border-color:var(--brand)}
.toc-n{color:var(--muted);min-width:1.3em;font-variant-numeric:tabular-nums}
.prose{max-width:780px}
.prose .intro{font-size:1.07rem;color:var(--text-2)}
.lsec{padding-top:10px;margin-top:22px;border-top:1px solid var(--line)}
.lsec h2{display:flex;align-items:center;gap:12px;font-size:clamp(1.25rem,1.05rem + .7vw,1.5rem);margin:14px 0 .6em}
.sec-n{flex:none;display:inline-grid;place-items:center;width:32px;height:32px;border-radius:10px;background:var(--brand-soft);color:var(--brand);font-size:.95rem;font-weight:800}
.prose h3{font-size:1.08rem;margin:1.4em 0 .4em}
.prose p,.prose li{color:var(--text-2)}
.prose ul{margin:0 0 1em;padding-inline-start:1.3em}
.prose li{margin:.45em 0;padding-inline-start:.2em}
.prose li::marker{color:var(--brand)}
.prose strong{color:var(--text);font-weight:700}
.to-top{margin-top:36px;font-size:.95rem}
@media (max-width:999.98px){.legal{grid-template-columns:1fr;gap:18px;padding-top:22px}.toc{position:static;max-height:none;overflow:visible}.toc-box{background:var(--bg-card);border:1px solid var(--line);border-radius:14px;padding:6px 16px}.toc-box>summary{padding:10px 0}.toc-box .chev{display:block;transition:transform .15s}.toc-box[open] .chev{transform:rotate(180deg)}.toc-box ol{margin-bottom:12px}}

/* cards, forms */
.two-col{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:28px;padding-top:32px;padding-bottom:72px;align-items:start}
.two-col-del{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);padding-top:8px}
@media (max-width:959.98px){.two-col,.two-col-del{grid-template-columns:1fr;gap:18px;padding-top:22px;padding-bottom:56px}}
.card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--sh-sm)}
.card h2{display:flex;align-items:center;gap:10px;font-size:1.22rem;margin-bottom:.8em}
.card h2 .ic{color:var(--brand)}
.card-warn{border-color:#f1d6a6;background:linear-gradient(var(--warn-soft),var(--bg-card) 70%)}
.card-warn h2 .ic{color:var(--warn)}
@media (prefers-color-scheme:dark){.card-warn{border-color:#5a4318}}
.del-info{display:grid;gap:18px}
.del-steps{padding:28px 0 6px}
.del-steps h2{font-size:1.3rem}
.steps-sm .step{padding:16px}
.steps-sm .step p{color:var(--text-2)}
.side-card{position:sticky;top:calc(var(--hdr) + 20px)}
@media (max-width:959.98px){.side-card{position:static}.card{padding:20px 18px}}
.link-list{margin:0;padding:0;list-style:none;display:grid;gap:4px}
.link-list a{display:flex;align-items:center;gap:12px;padding:11px 12px;margin-inline:-12px;border-radius:12px;color:var(--text);text-decoration:none;font-weight:560}
.link-list a:hover{background:var(--brand-soft);color:var(--brand)}
.link-list .ic{color:var(--brand)}
.dots{margin:0;padding-inline-start:1.2em}
.dots li{margin:.45em 0;color:var(--text-2)}
.dots li::marker{color:var(--brand)}
.form{display:grid;gap:18px}
.fld{display:grid;gap:6px;margin:0;border:0;padding:0;min-width:0;align-content:start}
.fld-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:639.98px){.fld-row{grid-template-columns:1fr}}
.fld label,.fld legend{font-weight:650;font-size:.95rem;color:var(--text)}
.fld legend{margin-bottom:6px;padding:0}
.opt{display:inline-block;margin-inline-start:6px;padding:0 7px;border-radius:999px;background:var(--bg-sunk);border:1px solid var(--line);font-weight:500;color:var(--muted);font-size:.78em;line-height:1.6;vertical-align:1px}
.ll-2{display:grid;gap:1px}.ll-2 bdi{font-size:.9em;color:var(--muted);font-weight:500}
.fld input[type=text],.fld input[type=email],.fld select,.fld textarea{width:100%;font:inherit;font-size:16px;line-height:1.45;color:var(--text);background:var(--bg-sunk);border:1.5px solid var(--line-2);border-radius:12px;padding:11px 14px;transition:border-color .15s,box-shadow .15s,background .15s}
.fld textarea{resize:vertical;min-height:120px}
.fld select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235a6e74' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6.5 9.5 5.5 5.5 5.5-5.5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-size:18px;background-position:right 12px center;padding-inline-end:40px}
[dir=rtl] .fld select{background-position:left 12px center}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:none;border-color:var(--brand-400);box-shadow:var(--ring);background:var(--bg-card)}
.fld-err input,.fld-err select,.fld-err textarea{border-color:var(--danger)}
.fhint{margin:0;color:var(--muted);font-size:.88rem}
.ferr{display:flex;align-items:center;gap:6px;margin:0;color:var(--danger);font-size:.9rem;font-weight:600}
.radio,.check{display:flex;align-items:flex-start;gap:10px;padding:10px 12px;border:1.5px solid var(--line-2);border-radius:12px;cursor:pointer;font-weight:560;color:var(--text-2)}
.radio+.radio{margin-top:8px}
.radio input,.check input{flex:none;width:19px;height:19px;margin:.18em 0 0;accent-color:var(--brand)}
.radio:has(input:checked){border-color:var(--brand-400);background:var(--brand-soft);color:var(--text)}
.check:has(input:checked){border-color:var(--brand-400)}
.fld-err .check{border-color:var(--danger)}
.fnote{margin:0;color:var(--muted);font-size:.9rem}
.form .btn-lg{justify-self:start}
@media (max-width:479.98px){.form .btn-lg{width:100%;justify-self:stretch}}
.hp{position:absolute!important;inset-inline-start:-9999px;width:1px;height:1px;overflow:hidden}
.reply-time{display:flex;align-items:center;gap:8px;margin:18px 0 0;color:var(--muted);font-size:.92rem}
.other-ways{margin:18px 0 0;font-size:.92rem}
.alert{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:14px;margin-bottom:18px;border:1px solid}
.alert .ic{margin-top:.15em;width:1.35em;height:1.35em}
.alert p{margin:0}
.alert ul{margin:.3em 0 0;padding-inline-start:1.1em}
.alert-t{font-weight:700}
.alert-ok{background:var(--ok-soft);border-color:rgba(19,122,77,.3);color:var(--text)}
.alert-ok .ic{color:var(--ok)}
.alert-err{background:var(--danger-soft);border-color:rgba(179,38,30,.3);color:var(--text)}
.alert-err .ic{color:var(--danger)}
.alert-err a{color:var(--danger)}

/* 404 */
.nf{padding:80px 0 96px}
.nf-box{text-align:center}
.nf-code{display:block;font-size:clamp(4rem,3rem + 6vw,7rem);font-weight:850;line-height:1;background:linear-gradient(135deg,var(--brand-400),var(--brand));-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}
.nf-act{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:24px}

/* footer */
.ftr{background:var(--bg-soft);border-top:1px solid var(--line);padding:52px 0 24px;color:var(--text-2)}
.ftr-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.ftr-brand p{margin:.8em 0 0;color:var(--muted);max-width:30em}
.ftr-co{font-size:.92rem}
.ftr-col h2{font-size:.82rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin:6px 0 12px}
:lang(ar) .ftr-col h2,:lang(zh) .ftr-col h2,:lang(ru) .ftr-col h2{text-transform:none;letter-spacing:0;font-size:.95rem}
.ftr-col ul{margin:0;padding:0;list-style:none;display:grid;gap:8px}
.ftr-col a{color:var(--text-2);text-decoration:none}
.ftr-col a:hover{color:var(--brand);text-decoration:underline}
.ftr-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 24px;margin-top:40px;padding-top:20px;border-top:1px solid var(--line);font-size:.9rem;color:var(--muted)}
.ftr-bottom p{margin:0}
.ftr-langs{display:flex;flex-wrap:wrap;gap:6px 16px;margin:0;padding:0;list-style:none}
.ftr-langs a{color:var(--muted);text-decoration:none}
.ftr-langs a:hover,.ftr-langs a[aria-current]{color:var(--brand)}
.ftr-langs a[aria-current]{font-weight:700}
@media (max-width:859.98px){.ftr-grid{grid-template-columns:1fr 1fr 1fr}.ftr-brand{grid-column:1 / -1}}
@media (max-width:519.98px){.ftr{padding-top:40px}.ftr-grid{grid-template-columns:1fr 1fr;gap:24px 18px}.ftr-col:last-child{grid-column:1 / -1}.ftr-bottom{flex-direction:column;align-items:flex-start}}

@media print{.hdr,.ftr,.toc,.skip,.cta{display:none!important}.legal{display:block;padding:0}body{background:#fff;color:#000}}