:root{--bg: #181A20;--panel: #1E2329;--panel-hover: #2B3139;--gold: #F0B90B;--gold-btn: #FCD535;--up: #0ECB81;--text: #EAECEF;--text-muted: #B7BDC6;--text-faint: #848E9C;--border: #2B3139;--shadow: 0 8px 32px rgba(0, 0, 0, .45);--shadow-lg: 0 24px 70px rgba(0, 0, 0, .55);--ok: #0ECB81;--radius: 12px;--radius-sm: 8px;--radius-pill: 999px;--max-width: 720px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, Roboto, Helvetica, Arial, sans-serif}body{--brand: #1e5cff;--brand-soft: color-mix(in srgb, var(--brand) 16%, transparent);--brand-soft-2: color-mix(in srgb, var(--brand) 28%, transparent);--brand-line: color-mix(in srgb, var(--brand) 45%, transparent);--brand-bright: color-mix(in srgb, var(--brand) 80%, white 20%);--brand-text: color-mix(in srgb, var(--brand) 55%, white 45%)}*{box-sizing:border-box}html{color-scheme:dark}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.55;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.wrap{max-width:var(--max-width);margin:0 auto;padding:0 16px}.nav{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.nav__row{max-width:var(--max-width);margin:0 auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px}.nav__brand{font-size:1.25rem;font-weight:800;letter-spacing:.01em;color:var(--gold);white-space:nowrap}.nav__links{flex-wrap:wrap;gap:4px;font-size:.92rem}.nav__links a{display:inline-flex;align-items:center;padding:12px;border-radius:var(--radius-sm);color:var(--text-muted);transition:background .15s ease,color .15s ease}.nav__links a:hover{background:var(--brand-soft);color:var(--text)}.breadcrumb{max-width:var(--max-width);margin:0 auto;padding:14px 20px 0}.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:0;padding:0;list-style:none;font-size:.84rem;color:var(--text-faint)}.breadcrumb li{display:inline-flex;align-items:center;gap:6px}.breadcrumb a{color:var(--text-muted);transition:color .15s ease}.breadcrumb a:hover{color:var(--gold)}.breadcrumb__sep{color:var(--text-faint)}.breadcrumb [aria-current=page]{color:var(--text);font-weight:600}.hero{position:relative;overflow:hidden;padding:40px 16px 36px;background:radial-gradient(1100px 480px at 12% -10%,var(--brand-soft-2),transparent 60%),radial-gradient(900px 420px at 100% 0%,var(--brand-soft),transparent 55%),linear-gradient(180deg,var(--panel),var(--bg) 70%);border-bottom:1px solid var(--border)}.hero:after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(120deg,transparent 0%,var(--brand-soft) 50%,transparent 100%);opacity:.35;animation:sat-sheen 9s ease-in-out infinite}@keyframes sat-sheen{0%,to{transform:translate(-8%);opacity:.15}50%{transform:translate(8%);opacity:.4}}@media(prefers-reduced-motion:reduce){.hero:after{animation:none}}.hero__inner{position:relative;max-width:var(--max-width);margin:0 auto;display:flex;flex-direction:column;gap:22px}.hero__badge{display:inline-flex;align-self:flex-start;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--radius-pill);background:color-mix(in srgb,var(--gold) 12%,transparent);border:1px solid color-mix(in srgb,var(--gold) 45%,transparent);color:var(--gold);font-weight:700;font-size:.85rem;letter-spacing:.02em}.hero__title{margin:0;font-size:clamp(2.1rem,5vw,3.4rem);font-weight:800;letter-spacing:-.01em;max-width:22ch;background:linear-gradient(135deg,var(--text) 35%,var(--gold) 120%);-webkit-background-clip:text;background-clip:text;color:transparent}.hero__lede{margin:0;max-width:62ch;font-size:1.08rem;color:var(--text-muted)}.lede-toggle{position:absolute;opacity:0;pointer-events:none}.hero__lede--fold{display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}.lede-more{display:inline-flex;align-items:center;gap:6px;min-height:44px;color:var(--gold);font-weight:700;font-size:.92rem;cursor:pointer}.lede-toggle:checked~.hero__lede--fold{display:block;-webkit-line-clamp:unset;overflow:visible}.lede-toggle:checked~.lede-more{display:none}.hero__actions{display:flex;flex-direction:column;align-items:stretch;flex-wrap:wrap;gap:16px;margin-top:4px}.btn{display:inline-flex;align-items:center;gap:8px;border-radius:var(--radius-pill);font-weight:700;border:1px solid transparent;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,filter .15s ease}.btn:hover{transform:translateY(-2px)}.btn:active{transform:translateY(0)}.btn-cta{padding:14px 24px;font-size:1.05rem;color:#181a20;background:var(--gold-btn);box-shadow:none;width:100%;justify-content:center;min-height:48px;border-radius:var(--radius-sm)}.btn-cta:hover{filter:brightness(1.08);box-shadow:0 14px 40px color-mix(in srgb,var(--gold) 55%,transparent)}.btn-ghost{padding:14px 26px;font-size:.98rem;color:var(--text);background:var(--panel);border-color:var(--border);width:100%;justify-content:center;min-height:48px;border-radius:var(--radius-sm)}.btn-ghost:hover{border-color:color-mix(in srgb,var(--gold) 45%,transparent);background:color-mix(in srgb,var(--gold) 16%,transparent)}.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}.chip{padding:7px 14px;border-radius:var(--radius-pill);background:var(--panel);border:1px solid var(--border);font-size:.82rem;color:var(--text-muted)}.chip strong{color:var(--text);font-weight:700}.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.trust{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--radius-sm);background:color-mix(in srgb,var(--bg) 60%,black 10%);border:1px solid var(--border);font-size:.78rem;color:var(--text-faint)}.trust--warn{color:var(--gold);border-color:color-mix(in srgb,var(--gold) 40%,transparent)}.section{padding:32px 16px}.section--alt{background:var(--panel)}.section__inner{max-width:var(--max-width);margin:0 auto}.section__title{margin:0 0 10px;font-size:clamp(1.5rem,3vw,2.1rem);font-weight:800}.section__lede{margin:0 0 32px;max-width:70ch;color:var(--text-muted);font-size:1.02rem}.card-grid{display:grid;grid-template-columns:1fr;gap:16px}.card{padding:22px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--border);box-shadow:var(--shadow);transition:transform .18s ease,border-color .18s ease,background .18s ease}.card:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--gold) 40%,transparent);background:var(--panel-hover)}.card__icon{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius-sm);background:var(--brand-soft-2);color:var(--brand-text);font-weight:800;margin-bottom:12px}.card__title{margin:0 0 6px;font-size:1.05rem;font-weight:700}.card__text{margin:0;color:var(--text-muted);font-size:.92rem}.banner{border-radius:var(--radius);padding:28px 26px;background:color-mix(in srgb,var(--gold) 10%,var(--panel));border:1px solid color-mix(in srgb,var(--gold) 40%,transparent);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px}.banner__title{margin:0 0 4px;font-size:1.2rem;font-weight:800}.banner__text{margin:0;color:var(--text-muted);max-width:56ch}.footer{border-top:1px solid var(--border);background:var(--panel);padding:36px 20px 28px}.footer__inner{max-width:var(--max-width);margin:0 auto;display:flex;flex-direction:column;gap:14px}.footer__top{display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;align-items:center}.footer__brand{font-weight:800;color:var(--gold)}.footer__links{display:flex;flex-wrap:wrap;gap:6px;font-size:.86rem;color:var(--text-muted)}.footer__links a{display:inline-flex;align-items:center;padding:12px 8px}.footer__links a:hover{color:var(--text)}.footer__legal{font-size:.8rem;color:var(--text-faint);border-top:1px solid var(--border);padding-top:14px}body[data-variant=b] .hero__inner{align-items:center;text-align:center}body[data-variant=b] .hero__badge{align-self:center}body[data-variant=b] .hero__title,body[data-variant=b] .hero__lede{max-width:44ch}body[data-variant=b] .hero__actions,body[data-variant=b] .chip-row,body[data-variant=b] .trust-row{justify-content:center}body[data-variant=b] .card:nth-child(2n){transform:none}.faq{display:grid;gap:12px;max-width:78ch}.faq__item{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--panel);overflow:hidden}.faq__q{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px;padding:14px 18px;cursor:pointer;font-weight:600;color:var(--text);list-style:none}.faq__q::-webkit-details-marker{display:none}.faq__q:after{content:"+";flex:none;font-size:1.25rem;line-height:1;color:var(--gold);transition:transform .18s ease}.faq__item[open] .faq__q:after{content:"−"}.faq__q:hover{background:var(--panel-hover)}.faq__a{margin:0;padding:0 18px 16px;color:var(--text-muted);line-height:1.7}@media(prefers-reduced-motion:reduce){.faq__q:after{transition:none}}.guide-list{list-style:none;margin:0;padding:0;display:grid;gap:2px}.guide-item{padding:16px 18px;border-radius:var(--radius-sm);background:var(--panel);border:1px solid var(--border);transition:border-color .18s ease,background .18s ease}.guide-item:hover{border-color:color-mix(in srgb,var(--gold) 40%,transparent);background:var(--panel-hover)}.guide-item__link{font-weight:700;color:var(--gold);text-decoration:none}.guide-item__link:hover,.guide-item__link:focus-visible{text-decoration:underline}.guide-item__desc{margin:6px 0 0;color:var(--text-muted);line-height:1.65;font-size:.94rem}.guide-item__thumb{display:block;width:100%;max-width:320px;height:auto;border-radius:var(--radius-sm);border:1px solid var(--border);margin:0 0 10px}@media(prefers-reduced-motion:reduce){.guide-item{transition:none}}.start-guide__list{list-style:none;margin:0;padding:0;display:grid;gap:10px;counter-reset:start-step}.start-guide__item{counter-increment:start-step;position:relative;padding:16px 16px 16px 56px;border-radius:var(--radius-sm);background:var(--panel);border:1px solid var(--border)}.start-guide__item:before{content:counter(start-step);position:absolute;left:14px;top:18px;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:color-mix(in srgb,var(--gold) 15%,transparent);color:var(--gold);font-weight:800;font-size:.9rem}.start-guide__link{display:inline-flex;min-height:44px;align-items:center;font-weight:700;color:var(--gold)}.start-guide__desc{margin:2px 0 0;color:var(--text-muted);font-size:.92rem;line-height:1.6}.start-guide__all{display:inline-flex;align-items:center;min-height:44px;margin-top:12px;color:var(--gold);font-weight:700}.tutorial-step{padding:20px 22px;border-radius:var(--radius-sm);background:var(--panel);border:1px solid var(--border)}.tutorial-step+.tutorial-step{margin-top:16px}.tutorial-step__title{margin:0 0 8px;font-size:1.05rem;font-weight:700}.tutorial-step__body{margin:0;color:var(--text-muted);line-height:1.7;font-size:.96rem}.tutorial-step__shot{margin:14px 0 0}.tutorial-step__shot img{display:block;width:100%;border-radius:var(--radius-sm);border:1px solid var(--border)}.tutorial-step__shot figcaption{margin-top:6px;color:var(--text-faint);font-size:.82rem;line-height:1.5}.status-grid{margin:0;display:grid;gap:10px}.status-row{display:grid;grid-template-columns:1fr;gap:4px;padding:12px 14px;border-radius:var(--radius-sm);background:var(--panel);border:1px solid var(--border)}.status-row dt{color:var(--text-muted);font-size:.92rem}.status-row dd{margin:0;font-size:.94rem;word-break:break-word}.status-row code{font-size:.9em;word-break:break-all}.status-warn{color:var(--gold);font-weight:600}.status-note{margin:10px 0 0;color:var(--text-muted);font-size:.88rem;line-height:1.65}.byline{display:flex;flex-wrap:wrap;gap:.4rem 1rem;align-items:baseline;margin:0 0 1.25rem;padding-bottom:.9rem;border-bottom:1px solid rgba(255,255,255,.12);font-size:.85rem;line-height:1.5}.byline__author{font-weight:600}.byline__role{opacity:.75}.byline__date{margin-left:0;opacity:.75;white-space:nowrap}.nav__links{display:none}.sat-nav-toggle{display:flex;width:44px;height:44px;align-items:center;justify-content:center;background:transparent;border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;padding:0}.sat-nav-toggle-icon,.sat-nav-toggle-icon:before,.sat-nav-toggle-icon:after{display:block;width:20px;height:2px;background:var(--text);border-radius:2px}.sat-nav-toggle-icon{position:relative}.sat-nav-toggle-icon:before,.sat-nav-toggle-icon:after{content:"";position:absolute;left:0}.sat-nav-toggle-icon:before{top:-6px}.sat-nav-toggle-icon:after{top:6px}.sat-nav-panel{position:fixed;inset:0;z-index:900;visibility:hidden;pointer-events:none}.sat-nav-panel-backdrop{position:absolute;inset:0;background:#0009;opacity:0;transition:opacity .25s ease}.sat-nav-panel-sheet{position:absolute;top:0;right:0;bottom:0;width:min(320px,85vw);background:var(--panel);border-left:1px solid var(--border);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;transform:translate(100%);transition:transform .25s ease}.sat-nav-panel-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border)}.sat-nav-panel-close{width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:transparent;color:var(--text-muted);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:1rem;cursor:pointer}.sat-nav-panel-links{display:flex;flex-direction:column;padding:8px 12px;overflow-y:auto}.sat-nav-panel-links a{display:flex;align-items:center;min-height:48px;padding:0 8px;font-size:.98rem;color:var(--text-muted);border-radius:var(--radius-sm)}.sat-nav-panel-links a:hover{background:var(--panel-hover);color:var(--text)}.sat-nav-panel-cta{margin:12px 16px 16px}html.sat-nav-open .sat-nav-panel{visibility:visible;pointer-events:auto}html.sat-nav-open .sat-nav-panel-backdrop{opacity:1}html.sat-nav-open .sat-nav-panel-sheet{transform:translate(0)}html.sat-nav-open,html.sat-nav-open body{overflow:hidden}@media(prefers-reduced-motion:reduce){.sat-nav-panel-backdrop,.sat-nav-panel-sheet{transition:none}}@media(min-width:768px){.wrap,.nav__row,.breadcrumb,.hero__inner,.section__inner,.footer__inner{max-width:var(--max-width)}.hero{padding:64px 24px 56px}.section{padding:48px 24px}.hero__actions{flex-direction:row;align-items:center}.btn-cta,.btn-ghost{width:auto}.card-grid{grid-template-columns:repeat(2,1fr)}.status-row{grid-template-columns:minmax(120px,30%) 1fr;gap:12px}.nav__links{display:flex;flex-wrap:wrap;gap:4px}.sat-nav-toggle{display:none}.byline__date{margin-left:auto}body[data-variant=b] .card:nth-child(2n){transform:translateY(10px)}body[data-variant=b] .card:nth-child(2n):hover{transform:translateY(6px)}}#sc-widget-btn,#sc-panel,#sc-bubble{--brand: var(--gold)}