*{box-sizing:border-box}
:root{--nav-bg:#fff;--nav-surface:#fff;--nav-soft:#f6f7f9;--nav-hover:#f1f3f5;--nav-text:#171717;--nav-muted:#6b7280;--nav-line:#e5e7eb;--nav-accent:#111827;--nav-free:#16835d;--nav-shadow:0 14px 36px rgba(0,0,0,.10)}
body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--nav-text)}
a{color:inherit;text-decoration:none}.wrap{width:min(1280px,100%);margin:auto;padding:0 20px}
.header{position:sticky;top:0;z-index:1000;background:var(--nav-bg);border-bottom:1px solid var(--nav-line)}
.nav{height:64px;display:flex;align-items:center;gap:28px}.logo{flex:none;margin-right:auto;font-size:26px;font-weight:850;letter-spacing:-.8px;color:var(--nav-text)}.logo span{color:#2563eb}
.t67-menu{height:64px;display:flex;align-items:center;gap:2px;margin-right:auto}.t67-dropdown{position:relative;height:64px;display:flex;align-items:center}.t67-nav-link,.nav-link{display:flex;align-items:center;gap:5px;padding:9px 11px;border-radius:0;color:#454b54;font-size:14px;font-weight:650;white-space:nowrap;transition:background .15s,color .15s}.t67-nav-link:hover,.nav-link:hover,.t67-dropdown.t67-open>.t67-nav-link{background:var(--nav-hover);color:var(--nav-text)}.t67-nav-link span{font-size:10px;color:var(--nav-muted)}
.nav-actions{display:flex;align-items:center;gap:7px}.icon-btn,.account-btn{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;padding:0;border:1px solid var(--nav-line);border-radius:0;background:var(--nav-surface);color:#4b5563;cursor:pointer;transition:background .15s,border-color .15s}.icon-btn:hover,.account-btn:hover{background:var(--nav-hover);border-color:#d1d5db;color:var(--nav-text)}.icon-btn svg,.account-btn svg{width:17px;height:17px;display:block;stroke:currentColor}.account-btn{background:var(--nav-accent);border-color:var(--nav-accent);color:#fff}.account-btn:hover{background:#000;color:#fff;border-color:#000}
.dropdown{position:relative}.dropdown-menu{position:absolute;top:25px;right:0;z-index:2200;display:none;min-width:170px;padding:6px;background:var(--nav-surface);border:1px solid var(--nav-line);border-radius:0;box-shadow:var(--nav-shadow)}.dropdown:hover>.dropdown-menu{display:block}.dropdown-menu a{display:block;padding:9px 10px;border-radius:0;color:#374151;font-size:14px}.dropdown-menu a:hover{background:var(--nav-hover);color:var(--nav-text)}
.t67-mega{position:absolute;top:60px;z-index:2100;display:none;opacity:0;transform:translateY(5px);transition:opacity .14s,transform .14s}.t67-dropdown.t67-open>.t67-mega{display:block;opacity:1;transform:none}.t67-mega:before{content:"";position:absolute;left:0;right:0;top:-10px;height:10px}.t67-mega-shell{position:relative;height:var(--t67-menu-height,auto);min-height:180px;overflow:hidden;background:var(--nav-surface);border:1px solid var(--nav-line);border-radius:0;box-shadow:var(--nav-shadow)}
.t67-tools-panel{left:-8px;width:min(880px,calc(100vw - 32px))}.t67-photo-panel{left:-120px;width:min(880px,calc(100vw - 32px))}.t67-business-panel{left:-230px;width:min(900px,calc(100vw - 32px))}.t67-prompts-panel{left:-345px;width:min(850px,calc(100vw - 32px))}
.t67-mega-sidebar{width:225px;height:100%;padding:0;background:var(--nav-soft);border-right:1px solid var(--nav-line)}.t67-mega-group{position:static}.t67-side-link{height:44px;display:flex;align-items:center;gap:10px;padding:0 14px;border:0;border-bottom:1px solid var(--nav-line);border-radius:0;background:rgba(15,23,42,.018);color:#374151;font-size:14px;font-weight:700}.t67-mega-group:nth-child(even)>.t67-side-link{background:rgba(15,23,42,.035)}.t67-side-link b{margin-left:auto;color:#9ca3af;font-size:17px}.t67-mega-group.t67-active>.t67-side-link,.t67-side-link:hover{background:var(--nav-surface);color:var(--nav-text)}.t67-emoji{width:25px;display:inline-flex;align-items:center;justify-content:center;font-size:18px}
.t67-panel{position:absolute;inset:0 0 0 225px;display:none;overflow:auto;padding:16px 20px}.t67-mega-group.t67-active>.t67-panel{display:block}.t67-panel-head{padding:0 0 10px;margin-bottom:4px;border-bottom:1px solid var(--nav-line)}.t67-panel-head strong{font-size:17px;letter-spacing:-.2px}.t67-panel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:20px;row-gap:0}.t67-panel-card{min-height:34px;display:flex;align-items:center;gap:8px;padding:6px 4px;border:0;border-bottom:1px dashed var(--nav-line);border-radius:0;color:#374151;transition:background .14s,color .14s}.t67-panel-card strong{font-size:13px;line-height:1.2;font-weight:650}.t67-panel-card:hover{background:var(--nav-hover);color:var(--nav-text)}.t67-free{margin-left:auto;flex:none;padding:1px 5px;border-radius:0;background:#edf8f3;color:var(--nav-free);font-size:9px;font-weight:800;text-transform:uppercase}.t67-card-blue,.t67-card-red{color:inherit}
.t67-mobile-trigger,.t67-mobile-mask,.t67-mobile-drawer{display:none}
body.dark{--nav-bg:#111214;--nav-surface:#17181b;--nav-soft:#1d1f23;--nav-hover:#24262b;--nav-text:#f4f4f5;--nav-muted:#9ca3af;--nav-line:#2c2f35;--nav-accent:#f4f4f5;--nav-free:#6ee7b7;--nav-shadow:0 18px 42px rgba(0,0,0,.38);background:#111214;color:var(--nav-text)}body.dark a,body.dark .t67-nav-link,body.dark .nav-link,body.dark .t67-side-link,body.dark .t67-panel-card,body.dark .dropdown-menu a{color:#fff}body.dark .account-btn{color:#111;background:#f4f4f5;border-color:#f4f4f5}body.dark .account-btn:hover{background:#fff;border-color:#fff}body.dark .t67-free{background:#123528}body.dark .t67-side-link{background:rgba(255,255,255,.018)}body.dark .t67-mega-group:nth-child(even)>.t67-side-link{background:rgba(255,255,255,.035)}
@media(max-width:980px){.t67-menu{display:none}.nav{gap:12px}.nav-actions{margin-left:auto}.nav-actions>.nav-link{display:none}.t67-mobile-trigger{display:inline-flex}.t67-mobile-mask{position:fixed;inset:0;z-index:3000;background:rgba(0,0,0,.38);opacity:0;visibility:hidden;transition:.2s}.t67-mobile-drawer{position:fixed;top:0;right:0;bottom:0;z-index:3100;display:block;width:min(390px,88vw);overflow:hidden;background:var(--nav-surface);border-left:1px solid var(--nav-line);transform:translateX(100%);transition:transform .22s ease}.t67-mobile-open{overflow:hidden}.t67-mobile-open .t67-mobile-mask{display:block;opacity:1;visibility:visible}.t67-mobile-open .t67-mobile-drawer{transform:none}.t67-mobile-stage{width:300%;height:100%;display:flex;transform:translateX(0);transition:transform .22s ease}.t67-mobile-drawer[data-level="2"] .t67-mobile-stage{transform:translateX(-33.3333%)}.t67-mobile-drawer[data-level="3"] .t67-mobile-stage{transform:translateX(-66.6666%)}.t67-mobile-screen{width:33.3333%;height:100%;flex:none;overflow-y:auto}.t67-mobile-top{position:sticky;top:0;z-index:2;min-height:58px;display:grid;grid-template-columns:72px 1fr 40px;align-items:center;padding:0 12px;background:var(--nav-surface);border-bottom:1px solid var(--nav-line)}.t67-mobile-top>strong{text-align:center;font-size:15px}.t67-mobile-screen:first-child .t67-mobile-top{grid-template-columns:1fr 40px}.t67-mobile-screen:first-child .t67-mobile-top>strong{text-align:left}.t67-mobile-close,.t67-mobile-back{border:0;background:none;color:var(--nav-text);cursor:pointer}.t67-mobile-close{font-size:27px;line-height:1}.t67-mobile-back{padding:0;text-align:left;font-size:13px}.t67-mobile-list{padding:8px}.t67-mobile-item{width:100%;min-height:48px;display:flex;align-items:center;gap:11px;padding:9px 11px;border:0;border-bottom:1px solid var(--nav-line);background:none;color:var(--nav-text);text-align:left;font:inherit;cursor:pointer}.t67-mobile-item:last-child{border-bottom:0}.t67-mobile-item:hover{background:var(--nav-hover)}.t67-mobile-item>span:nth-child(2){flex:1;font-size:14px;font-weight:650}.t67-mobile-item small{color:var(--nav-muted);font-size:18px}.t67-mobile-emoji{width:25px;text-align:center;font-size:18px}.t67-mobile-item .t67-free{margin-left:auto}}
@media(max-width:520px){.wrap{padding:0 14px}.nav{height:58px}.logo{font-size:23px}.nav-actions{gap:5px}.icon-btn,.account-btn{width:32px;height:32px}.nav-lang{display:none}.t67-panel-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}
/* Existing page components retained; navigation above is fully rewritten. */
.hero{text-align:center;padding:68px 0 34px}.hero h1{margin:0 0 14px;font-size:50px;line-height:1.1;letter-spacing:-1.4px}.hero p{max-width:780px;margin:auto;color:var(--nav-muted);font-size:18px;line-height:1.7}.hero-actions{margin-top:26px;display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.btn{height:46px;display:inline-flex;align-items:center;justify-content:center;padding:0 20px;border-radius:999px;font-size:15px;font-weight:750;transition:.18s}.btn-primary{background:#2563eb;color:#fff}.btn-primary:hover{background:#1d4ed8}.btn-light{background:var(--nav-surface);color:var(--nav-text);border:1px solid var(--nav-line)}.btn-light:hover{background:var(--nav-hover)}.section{padding:28px 0}.section-title{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:18px}.section-title h2{margin:0;font-size:28px;letter-spacing:-.5px}.section-title p{margin:0;color:var(--nav-muted)}.category-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:10px}.cat,.card,.mini-links,.faq-item,.topic-box,.geo-banner-inner{background:var(--nav-surface);border:1px solid var(--nav-line);box-shadow:0 8px 24px rgba(0,0,0,.04)}.cat{padding:18px;border-radius:18px;transition:.18s}.cat strong{display:block;margin-bottom:6px;font-size:17px}.cat span,.card p,.faq-item p{color:var(--nav-muted);font-size:14px;line-height:1.6}.cat:hover,.card:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,0,0,.08)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{padding:22px;border-radius:20px;transition:.18s}.card h3{margin:0 0 10px;font-size:20px}.card p{margin:0;font-size:15px}.badge{display:inline-block;margin-top:15px;padding:6px 11px;border-radius:30px;background:#eef4ff;color:#2563eb;font-size:13px;font-weight:650}.geo-banner{padding:30px 0}.geo-banner-inner{padding:30px;border-radius:24px;text-align:center}.geo-banner h2{margin:0 0 10px;font-size:28px}.geo-banner p{max-width:620px;margin:0 auto 18px;color:var(--nav-muted);line-height:1.7}.geo-links{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.geo-links a{padding:10px 14px;border-radius:999px;background:#2563eb;color:#fff;font-size:14px;font-weight:700}.mini-links,.topic-box{padding:20px;border-radius:20px}.mini-links h2{margin:0 0 14px;font-size:24px}.link-list{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.link-list a{padding:11px 12px;border-radius:10px;background:var(--nav-soft);color:var(--nav-text);font-size:15px}.link-list a:hover,.topics a:hover{background:var(--nav-hover)}.faq{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.faq-item{padding:20px;border-radius:18px}.faq-item h3{margin:0 0 8px;font-size:18px}.faq-item p{margin:0;font-size:15px}.topics{display:flex;flex-wrap:wrap;gap:10px}.topics a{padding:8px 12px;border-radius:999px;background:var(--nav-soft);font-size:14px}.footer{margin-top:48px;padding:34px 18px;background:#0f172a;color:#cbd5e1;text-align:center}.footer-links{display:flex;justify-content:center;flex-wrap:wrap;gap:12px 20px;margin-bottom:14px}.footer-links a{color:#e5e7eb;font-size:14px}.footer-desc{max-width:980px;margin:0 auto 14px;color:#94a3b8;font-size:14px;line-height:1.7}.footer p{margin:0 0 8px}
@media(max-width:900px){.hero{padding:48px 0 24px}.hero h1{font-size:42px}.hero p{font-size:16px}.section{padding:22px 0}.section-title{display:block;margin-bottom:14px}.section-title h2{font-size:24px}.section-title p{margin-top:6px;font-size:14px}.category-strip,.grid{grid-template-columns:repeat(2,1fr);gap:12px}.faq{grid-template-columns:1fr;gap:12px}.link-list{grid-template-columns:repeat(2,1fr)}.cat,.card,.geo-banner-inner,.mini-links,.topic-box{padding:16px;border-radius:16px}.card h3{font-size:17px}.card p{font-size:13px}.geo-banner h2,.mini-links h2{font-size:22px}}
@media(max-width:520px){.hero h1{font-size:38px}.hero-actions .btn{width:100%}.link-list{grid-template-columns:1fr}.cat span,.card p{display:none}.card{min-height:138px}}