:root{--bg:#050505;--bg2:#0a0907;--panel:#10100f;--panel2:#15130e;--gold:#d8b35a;--gold2:#f2d37e;--gold3:#a97b26;--text:#f5f1e7;--muted:#aaa190;--muted2:#7f786d;--line:rgba(216,179,90,.27);--line2:rgba(255,255,255,.08);--green:#52c878;--red:#e45c54;--shadow:0 24px 70px rgba(0,0,0,.46);--radius:24px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 13% -5%,rgba(216,179,90,.15),transparent 29%),radial-gradient(circle at 94% 5%,rgba(216,179,90,.075),transparent 24%),linear-gradient(180deg,#050505 0%,#0a0907 46%,#050505 100%);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}button,input{font:inherit}.shell{width:min(1160px,calc(100% - 44px));margin-inline:auto}.skip-link{position:absolute;left:-9999px;top:8px;background:#fff;color:#000;padding:10px 14px;z-index:100}.skip-link:focus{left:8px}.site-header{position:sticky;top:0;z-index:50;background:rgba(5,5,5,.78);backdrop-filter:blur(16px);border-bottom:1px solid rgba(216,179,90,.14)}.nav{height:72px;display:flex;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;letter-spacing:.08em;color:var(--gold2);white-space:nowrap}.brand img{width:38px;height:38px;border-radius:50%;box-shadow:0 0 24px rgba(216,179,90,.18)}.nav-links{margin-left:auto;display:flex;align-items:center;gap:24px;font-size:14px;color:#c2b9a8}.nav-links a{padding:7px 0;border-bottom:1px solid transparent}.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--gold2);border-color:rgba(216,179,90,.52)}.nav-cta{margin-left:4px}.mobile-toggle{display:none;margin-left:auto;border:1px solid var(--line);background:#0d0d0c;color:var(--gold2);border-radius:12px;padding:8px 11px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:11px 18px;border-radius:999px;font-weight:760;border:1px solid transparent;transition:.18s ease;cursor:pointer}.button:hover{transform:translateY(-1px)}.button-gold{background:linear-gradient(135deg,#f2d37e,#b98a2b);color:#130f06;box-shadow:0 12px 30px rgba(216,179,90,.18)}.button-ghost{border-color:var(--line);color:var(--gold2);background:rgba(255,255,255,.025)}.button-line{background:#06c755;color:#06140a}.button-small{min-height:40px;padding:8px 15px;font-size:13px}.button-disabled,.button[disabled]{background:#262625;color:#77736a;border-color:#3a3833;box-shadow:none;cursor:not-allowed;transform:none}.eyebrow,.kicker{margin:0 0 12px;color:var(--gold2);font-weight:800;letter-spacing:.16em;font-size:12px;text-transform:uppercase}.badge{display:inline-flex;align-items:center;border:1px solid var(--line);background:rgba(216,179,90,.08);color:var(--gold2);padding:7px 12px;border-radius:999px;font-size:13px;font-weight:700}.hero{padding:82px 0 62px}.hero-grid{display:grid;grid-template-columns:minmax(0,.91fr) minmax(0,1.09fr);gap:46px;align-items:center}.hero h1{font-size:clamp(40px,5.8vw,76px);line-height:1.08;letter-spacing:-.045em;margin:18px 0 18px;max-width:760px}.headline-line{display:block;white-space:nowrap}.hero h1 .gold{color:var(--gold2);text-shadow:0 0 30px rgba(216,179,90,.18)}.hero .lead{font-size:clamp(18px,2vw,22px);color:#e8dfcf;max-width:660px;margin:0 0 13px}.hero .sublead{color:var(--muted);max-width:650px;margin:0 0 28px}.actions{display:flex;flex-wrap:wrap;gap:12px}.hero-note{margin-top:14px;color:#928a7d;font-size:13px}.product-stage{position:relative;min-height:520px;border:1px solid var(--line);border-radius:30px;background:radial-gradient(circle at 12% 5%,rgba(216,179,90,.18),transparent 30%),linear-gradient(145deg,#080e17,#0c0a07 72%);box-shadow:var(--shadow);overflow:hidden;padding:30px}.product-stage:before,.product-stage:after{content:"";position:absolute;border:1px solid rgba(216,179,90,.16);transform:rotate(18deg)}.product-stage:before{width:260px;height:260px;right:-90px;top:-110px}.product-stage:after{width:220px;height:220px;left:-100px;bottom:-120px}.product-device{position:absolute;left:5%;bottom:5%;width:42%;max-height:86%;overflow:hidden;border:2px solid rgba(216,179,90,.46);border-radius:28px;background:#111;box-shadow:0 20px 55px rgba(0,0,0,.55);z-index:2}.product-device img{width:100%;height:100%;object-fit:cover;object-position:top}.product-card{position:absolute;right:4%;top:8%;width:59%;border:1px solid rgba(216,179,90,.38);border-radius:22px;overflow:hidden;background:#070b11;box-shadow:0 18px 45px rgba(0,0,0,.5);z-index:1}.product-card img{width:100%}.brand-medallion{position:absolute;z-index:3;left:42%;top:7%;width:62px;height:62px;border-radius:50%;background:#060606;border:1px solid var(--gold);display:grid;place-items:center;box-shadow:0 0 28px rgba(216,179,90,.35)}.brand-medallion img{width:50px;height:50px}.section{padding:76px 0;border-top:1px solid rgba(216,179,90,.08)}.section-heading{max-width:760px;margin-bottom:32px}.section-heading h2{font-size:clamp(30px,4vw,48px);line-height:1.18;letter-spacing:-.03em;margin:0 0 12px}.section-heading p{margin:0;color:var(--muted)}.value-grid,.feature-mini-grid,.channel-grid,.plan-grid,.card-grid{display:grid;gap:18px}.value-grid{grid-template-columns:repeat(3,1fr)}.feature-mini-grid{grid-template-columns:repeat(5,1fr)}.channel-grid,.plan-grid{grid-template-columns:repeat(2,1fr)}.card{border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(180deg,rgba(20,18,14,.82),rgba(9,9,8,.94));box-shadow:inset 0 0 0 1px rgba(255,255,255,.015);padding:24px}.card h3{margin:3px 0 8px;font-size:21px}.card p{margin:0;color:var(--muted)}.value-card{min-height:168px}.value-number{font-size:13px;color:var(--gold2);font-weight:800;letter-spacing:.14em}.feature-mini{padding:18px;min-height:154px}.feature-mini strong{display:block;font-size:17px;margin:8px 0 5px}.feature-mini p{font-size:13px}.feature-icon{width:36px;height:36px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;color:var(--gold2);background:#0a0b0a;font-weight:900}.section-actions{margin-top:24px}.channel-card{position:relative;min-height:260px;overflow:hidden}.channel-card.line{background:radial-gradient(circle at 90% 10%,rgba(6,199,85,.13),transparent 34%),linear-gradient(180deg,rgba(20,18,14,.82),rgba(9,9,8,.94))}.channel-card.pro{background:radial-gradient(circle at 90% 10%,rgba(216,179,90,.18),transparent 34%),linear-gradient(180deg,rgba(20,18,14,.82),rgba(9,9,8,.94))}.status{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:5px 10px;color:var(--gold2);font-size:12px;font-weight:800}.status.green{color:#8ee8a9;border-color:rgba(82,200,120,.35);background:rgba(82,200,120,.08)}.channel-list,.check-list{margin:16px 0 0;padding:0;list-style:none}.channel-list li,.check-list li{position:relative;padding-left:22px;margin:7px 0;color:#d8d0c2}.channel-list li:before,.check-list li:before{content:"•";position:absolute;left:5px;color:var(--gold2)}.plan-strip{display:grid;grid-template-columns:1fr auto;align-items:center;gap:22px;padding:26px 30px;border:1px solid var(--line);border-radius:26px;background:linear-gradient(115deg,rgba(216,179,90,.12),rgba(10,10,9,.92) 45%)}.plan-strip h2{margin:0 0 6px;font-size:30px}.plan-strip p{margin:0;color:var(--muted)}.plan-chips{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}.plan-chip{border:1px solid var(--line);padding:10px 14px;border-radius:14px;background:#090a09}.plan-chip strong{color:var(--gold2);font-size:20px}.footer{border-top:1px solid var(--line);padding:34px 0 46px;color:var(--muted);font-size:13px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:28px}.footer-links{display:grid;gap:7px}.footer a:hover{color:var(--gold2)}.page-hero{padding:62px 0 34px}.page-hero h1{font-size:clamp(36px,5vw,62px);margin:12px 0 12px;letter-spacing:-.04em;line-height:1.1}.page-hero p{max-width:760px;color:var(--muted);font-size:17px}.subnav{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.pill{border:1px solid var(--line);background:#0d0d0c;color:#c7bdab;border-radius:999px;padding:8px 12px;font-size:13px}.pill:hover,.pill.active{color:#171006;background:var(--gold2)}.feature-groups{display:grid;gap:48px}.feature-row{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:34px;align-items:center}.feature-row.reverse{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}.feature-row.reverse .media-frame{order:2}.feature-row.reverse .feature-copy{order:1}.feature-copy h2{font-size:32px;margin:0 0 10px}.feature-copy p{color:var(--muted)}.media-frame{border:1px solid var(--line);border-radius:24px;padding:12px;background:#090a09;box-shadow:var(--shadow);overflow:hidden}.media-frame img{border-radius:16px;width:100%;max-height:520px;object-fit:contain;background:#060606}.thumb-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.thumb-card{border:1px solid var(--line);border-radius:18px;background:#0b0c0b;overflow:hidden;min-width:0}.thumb-button{all:unset;display:block;width:100%;cursor:pointer}.thumb-card button,.thumb-card .thumb-button{appearance:none;border:0;background:none;color:inherit;padding:0;width:100%;text-align:left;cursor:pointer}.thumb-card img{aspect-ratio:4/3;object-fit:cover;object-position:top;width:100%;background:#070707}.thumb-caption{padding:13px 14px 15px}.thumb-caption strong{display:block}.thumb-caption span{font-size:12px;color:var(--muted)}.preview-box{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:28px;padding:28px;border:1px solid rgba(216,179,90,.42);border-radius:28px;background:radial-gradient(circle at 5% 0%,rgba(216,179,90,.12),transparent 35%),#0a0a09}.preview-box .media-frame{max-width:430px}.preview-box h2{margin:0 0 8px;font-size:34px}.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.video-card{border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#0a0b0a}.video-card button{all:unset;display:block;cursor:pointer;width:100%}.video-poster{position:relative}.video-poster img{width:100%;aspect-ratio:9/14;object-fit:cover;object-position:top}.play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:58px;height:58px;border-radius:50%;background:rgba(5,5,5,.78);border:1px solid var(--gold);display:grid;place-items:center;color:var(--gold2);font-size:20px;box-shadow:0 10px 30px rgba(0,0,0,.5)}.video-card .thumb-caption{min-height:75px}.guide-steps{display:grid;gap:18px}.guide-step{display:grid;grid-template-columns:70px minmax(0,1fr);gap:18px;border:1px solid var(--line);border-radius:24px;background:#0b0b0a;padding:22px}.step-no{width:52px;height:52px;border-radius:17px;background:linear-gradient(135deg,#2c210d,#d8b35a);color:#160f05;display:grid;place-items:center;font-weight:900}.guide-step h2{margin:0 0 8px;font-size:25px}.guide-step p{margin:0;color:var(--muted)}.guide-media{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:16px}.guide-media img{border:1px solid var(--line);border-radius:16px;background:#050505;max-height:520px;object-fit:contain;width:100%}.command-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:13px}.command{border:1px solid var(--line);border-radius:999px;padding:7px 11px;color:#e5dccb;background:#11110f;font-size:13px}.compare-table{border:1px solid var(--line);border-radius:24px;overflow:hidden}.compare-row{display:grid;grid-template-columns:1.2fr 1fr 1fr;border-top:1px solid var(--line2)}.compare-row:first-child{border-top:0;background:rgba(216,179,90,.08)}.compare-row>div{padding:15px 18px}.compare-row>div+div{border-left:1px solid var(--line2)}.telegram-feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.telegram-card{padding:0;overflow:hidden}.telegram-card img{aspect-ratio:5/3;object-fit:cover;width:100%;border-bottom:1px solid var(--line)}.telegram-card .inner{padding:18px}.manual-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;align-items:start}.manual-thumb{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#0b0b0a}.manual-preview{appearance:none;border:0;border-bottom:1px solid var(--line2);background:#060606;width:100%;height:430px;padding:10px;display:grid;place-items:center;cursor:zoom-in}.manual-preview img{width:100%;height:100%;object-fit:contain;object-position:center}.manual-thumb.landscape{grid-column:span 2}.manual-thumb.landscape .manual-preview{height:340px}.manual-thumb span{display:block;padding:10px 12px;font-size:12px;color:var(--muted)}.plan-grid{align-items:stretch}.plan-card{display:flex;flex-direction:column;padding:28px}.plan-card.featured{border-color:rgba(216,179,90,.55);box-shadow:0 0 0 1px rgba(216,179,90,.09),0 25px 70px rgba(0,0,0,.35)}.plan-price{font-size:42px;line-height:1.05;margin:16px 0;color:var(--gold2);font-weight:900}.plan-price small{font-size:14px;color:var(--muted);font-weight:600}.plan-card .button{margin-top:auto}.plan-card form{margin-top:auto}.plan-card form .button{width:100%}.beta-rules{display:grid;grid-template-columns:1fr 1fr;gap:18px}.flow{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;counter-reset:flow}.flow-item{border:1px solid var(--line);border-radius:16px;padding:16px 12px;background:#0c0c0b;text-align:center;min-height:112px}.flow-item span{display:grid;place-items:center;margin:0 auto 9px;width:30px;height:30px;border-radius:50%;background:rgba(216,179,90,.14);color:var(--gold2);font-weight:900}.payment-proof{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:24px;align-items:center}.payment-proof img{border:1px solid var(--line);border-radius:18px;background:#050505}.faq-list{display:grid;gap:10px}.faq-list details{border:1px solid var(--line);border-radius:16px;background:#0b0b0a;padding:0 17px}.faq-list summary{cursor:pointer;padding:16px 0;font-weight:800}.faq-list p{color:var(--muted);margin:0;padding:0 0 16px}.legal-nav{border-bottom:1px solid var(--line);padding:14px 0;background:#080807}.legal-nav a{color:var(--gold2)}.legal,.legal-page{padding:50px 0}.legal h1,.legal-page h1{font-size:40px}.legal section,.legal-page section{border-top:1px solid var(--line);padding:22px 0}.legal p,.legal li,.legal-page p,.legal-page li{color:#c8bfaf}.completion-main{min-height:calc(100vh - 68px);display:grid;place-items:center;padding:42px 22px}.completion-card{width:min(720px,100%);border:1px solid var(--line);border-radius:28px;background:linear-gradient(180deg,#12100c,#080808);padding:30px;box-shadow:var(--shadow)}.completion-card h1{font-size:38px;margin:12px 0}.completion-state{display:flex;align-items:center;gap:10px;color:var(--gold2)}.state-dot{width:10px;height:10px;border-radius:50%;background:var(--gold2);box-shadow:0 0 18px var(--gold)}.state-message{color:var(--muted)}.completion-summary{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:22px 0}.completion-summary>div{border:1px solid var(--line);border-radius:16px;padding:13px}.completion-summary dt{font-size:12px;color:var(--muted)}.completion-summary dd{margin:2px 0 0;font-weight:900}.completion-panel{border:1px solid var(--line);border-radius:20px;padding:20px;margin:18px 0;background:#0b0b0a}.completion-panel h2{margin-top:0}.activation-reveal code{display:block;border:1px dashed var(--gold);border-radius:14px;padding:15px;font-size:24px;letter-spacing:.08em;text-align:center;color:var(--gold2);background:#050505}.completion-copy-actions,.completion-line-cta{margin-top:13px}.completion-line-cta img{border-radius:50%}.copy-feedback{min-height:24px;color:var(--muted)}.completion-security{border-top:1px solid var(--line);margin-top:22px;padding-top:17px}.completion-security h2{font-size:18px}.completion-security li{color:var(--muted);margin:5px 0}.completion-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.image-lightbox,.video-lightbox{border:1px solid var(--line);border-radius:22px;background:#070707;color:var(--text);padding:16px;max-width:min(96vw,1180px);max-height:94vh;box-shadow:var(--shadow)}dialog::backdrop{background:rgba(0,0,0,.82)}.image-lightbox img{max-width:90vw;max-height:82vh;object-fit:contain}.video-lightbox video{max-height:82vh;max-width:90vw;background:#000;border-radius:12px}.lightbox-close{position:absolute;right:8px;top:8px;width:38px;height:38px;border-radius:50%;background:#151515;color:#fff;border:1px solid var(--line);cursor:pointer;z-index:3}.dialog-note{margin:8px 0 0;color:var(--muted);font-size:12px}.hidden{display:none!important}
@media(max-width:980px){.manual-preview{height:390px}.manual-thumb.landscape .manual-preview{height:300px}.hero-grid{grid-template-columns:1fr}.hero{padding-top:54px}.product-stage{min-height:470px}.feature-mini-grid{grid-template-columns:repeat(3,1fr)}.thumb-grid{grid-template-columns:repeat(3,1fr)}.video-grid{grid-template-columns:repeat(2,1fr)}.telegram-feature-grid{grid-template-columns:repeat(2,1fr)}.manual-grid{grid-template-columns:repeat(3,1fr)}.flow{grid-template-columns:repeat(3,1fr)}.feature-row,.feature-row.reverse,.preview-box,.payment-proof{grid-template-columns:1fr}.feature-row.reverse .media-frame,.feature-row.reverse .feature-copy{order:initial}.preview-box .media-frame{max-width:none}.footer-grid{grid-template-columns:1fr 1fr}.plan-strip{grid-template-columns:1fr}.plan-chips{justify-content:flex-start}}
@media(max-width:760px){.manual-preview{height:340px;padding:7px}.manual-thumb.landscape .manual-preview{height:220px}.headline-line{white-space:nowrap}.hero h1{font-size:44px}.shell{width:min(100% - 28px,1160px)}.nav{height:64px}.nav-links,.nav-cta{display:none}.mobile-toggle{display:block}.site-header.open .nav{height:auto;min-height:64px;flex-wrap:wrap;padding:12px 0}.site-header.open .nav-links{display:grid;width:100%;gap:4px;padding:8px 0 12px}.site-header.open .nav-links a{padding:9px 2px}.site-header.open .nav-cta{display:flex;margin:0 0 12px;width:100%}.hero{padding:44px 0 42px}.hero h1{font-size:clamp(38px,13vw,56px)}.product-stage{min-height:390px;padding:18px}.product-device{left:4%;bottom:4%;width:46%;border-radius:20px}.product-card{right:3%;top:9%;width:61%}.brand-medallion{width:48px;height:48px;left:40%;top:7%}.brand-medallion img{width:39px;height:39px}.section{padding:54px 0}.section-heading{margin-bottom:24px}.value-grid,.channel-grid,.plan-grid,.beta-rules{grid-template-columns:1fr}.feature-mini-grid{grid-template-columns:repeat(2,1fr)}.feature-mini{min-height:138px}.plan-strip{padding:22px}.thumb-grid{grid-template-columns:repeat(2,1fr)}.video-grid{grid-template-columns:repeat(2,1fr);gap:12px}.video-poster img{aspect-ratio:9/13}.guide-step{grid-template-columns:52px 1fr;padding:18px}.guide-media{grid-template-columns:1fr}.compare-row{grid-template-columns:1fr}.compare-row>div+div{border-left:0;border-top:1px solid var(--line2)}.telegram-feature-grid{grid-template-columns:1fr 1fr}.manual-grid{grid-template-columns:repeat(2,1fr)}.flow{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr}.completion-summary{grid-template-columns:1fr}.completion-card{padding:22px}.completion-card h1{font-size:32px}}
@media(max-width:430px){.hero h1{font-size:42px}.feature-mini-grid{grid-template-columns:1fr 1fr}.thumb-grid{grid-template-columns:1fr 1fr}.thumb-caption{padding:11px}.video-grid{grid-template-columns:1fr 1fr}.video-card .thumb-caption{min-height:80px}.telegram-feature-grid{grid-template-columns:1fr}.flow{grid-template-columns:1fr 1fr}.plan-price{font-size:38px}.product-stage{min-height:340px}.product-device{width:48%}.product-card{width:62%;top:12%}.page-hero{padding-top:44px}.page-hero h1{font-size:42px}}

/* FUNCTION MATURITY — brightness only on the visual area; text stays fully readable */
.telegram-card.feature-state-available > img{filter:brightness(1);transition:filter .18s ease}
.telegram-card.feature-state-developed > img{filter:brightness(.62);transition:filter .18s ease}
.telegram-card.feature-state-concept > img{filter:brightness(.40);transition:filter .18s ease}
.preview-box.feature-state-available .media-frame img{filter:brightness(1);transition:filter .18s ease}
.preview-box.feature-state-developed .media-frame img{filter:brightness(.62);transition:filter .18s ease}
.preview-box.feature-state-concept .media-frame img{filter:brightness(.40);transition:filter .18s ease}
.status.state-available{color:#8ee8a9;border-color:rgba(82,200,120,.35);background:rgba(82,200,120,.08)}
.status.state-developed{color:#e7c66f;border-color:rgba(216,179,90,.42);background:rgba(216,179,90,.08)}
.status.state-concept{color:#aaa397;border-color:rgba(160,152,140,.28);background:rgba(160,152,140,.055)}
.feature-state-legend{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px}
.feature-state-legend .status{font-size:11px}
@media (prefers-reduced-motion:reduce){.telegram-card > img,.preview-box .media-frame img{transition:none}}

/* R4: five-item product navigation */
@media (min-width:761px) and (max-width:1180px){.nav{gap:16px}.nav-links{gap:16px}.nav-links a{font-size:13px}.nav-cta{padding-inline:13px}}