:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--paper:#0a0b0d;--surface:#121317;--surface-2:#191b20;--surface-3:#202228;--ink:#ededef;--ink-body:#c8c8ce;--ink-soft:#9a9aa3;--line:#222429;--line-strong:#30333a;--marker:#f5d547;--accent:#f5d547;--accent-deep:#e8c632;--on-accent:#0a0b0d;--accent-soft:#f5d5471a;--accent-line:#f5d54752;--radius:14px;--radius-sm:10px;--shadow-hover:0 8px 30px #00000059;--font-body:var(--font-geist-sans), -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;--serif:var(--font-body);--w:min(1160px, calc(100vw - 40px))}body{background:var(--paper);color:var(--ink-body);line-height:1.75;font-family:var(--font-body);font-feature-settings:"ss01", "cv11"}.uc-now,.buy-price-row .price,.sticky-buy .price,.svc-price,.course-meta,.hero-cta-meta{font-variant-numeric:tabular-nums}body:before{display:none}::selection{background:var(--accent);color:var(--on-accent)}h1,h2,h3,h4{color:var(--ink);letter-spacing:-.01em;font-weight:650}mark{color:var(--accent);background:0 0;padding:0}:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.btn-ink,.btn-accent,.btn-paper{border-radius:var(--radius-sm);padding:13px 22px;font-size:15px;font-weight:600;line-height:1.4;transition:background .15s,border-color .15s,color .15s,transform .15s}.btn-ink{background:var(--ink);border:1px solid var(--ink);color:var(--paper)}.btn-ink:hover{box-shadow:none;background:#fff;border-color:#fff;transform:translateY(-1px)}.btn-accent{background:var(--accent);border:1px solid var(--accent);color:var(--on-accent)}.btn-accent:hover{background:var(--accent-deep);border-color:var(--accent-deep)}.btn-paper{background:var(--surface);border:1px solid var(--line-strong);color:var(--ink)}.btn-paper:hover{background:var(--surface-2);box-shadow:none;border-color:#464a53;transform:none}.link-quiet:hover{border-color:var(--ink-soft)}.site-header{z-index:50;-webkit-backdrop-filter:saturate(160%)blur(14px);border-bottom:1px solid var(--line);background:#0a0b0db8;width:100%;padding:0;position:sticky;top:0}.site-header-inner{width:var(--w);justify-content:space-between;align-items:center;gap:24px;height:64px;margin:0 auto;display:flex}.wordmark{font-family:var(--font-body);letter-spacing:0;color:var(--ink);white-space:nowrap;align-items:center;gap:10px;font-size:16px;font-weight:700;display:inline-flex}.wordmark-logo{background:var(--accent);width:26px;height:26px;color:var(--on-accent);border-radius:7px;place-items:center;font-size:13px;font-weight:800;display:inline-grid}.wordmark span:not(.wordmark-logo){color:var(--ink-soft);margin-left:0;font-size:14px;font-weight:500}.site-nav{align-items:center;gap:4px;margin-left:auto;font-size:14px}.site-nav a,.site-actions a{color:var(--ink-soft);white-space:nowrap;border-radius:8px;padding:6px 12px;font-size:14px;transition:color .15s,background .15s,border-color .15s}.site-nav a:hover,.site-actions a:hover{color:var(--ink);background:var(--surface-2)}.site-actions{border-left:1px solid var(--line-strong);align-items:center;gap:8px;padding-left:16px;display:flex}.site-actions .nav-redeem{color:var(--ink);border:1px solid var(--line-strong)}.site-actions .nav-account{color:var(--paper);background:var(--ink);font-weight:600}.site-actions .nav-account:hover{color:var(--paper);background:#fff}.lang-switch{border:1px solid var(--line);cursor:pointer;background:0 0;border-radius:8px;padding:2px;font-family:inherit;display:inline-flex}.lang-switch span{color:#6c6c75;text-align:center;border-radius:6px;min-width:30px;padding:3px 6px;font-size:12px;font-weight:600;line-height:1.4;transition:background .15s,color .15s}.lang-switch span.is-on{background:var(--surface-3);color:var(--ink)}.lang-switch:hover span:not(.is-on){color:var(--ink-body)}.lang-switch:disabled{cursor:wait;opacity:.7}.nav-pass-chip{background:var(--accent);color:var(--on-accent);font-weight:700}.site-footer{border-top:1px solid var(--line);margin-top:40px}.footer-inner{align-items:center;padding:36px 0 44px}.hero-wrap{isolation:isolate;border-bottom:1px solid var(--line);position:relative;overflow:hidden}.hero-wrap:before,.hero-wrap:after{content:"";z-index:-1;pointer-events:none;position:absolute;inset:0}.hero-wrap:before{background:radial-gradient(60% 55% at 70% 0,#f5d5471c 0%,#f5d54700 70%)}.hero-wrap:after{background-image:linear-gradient(#ffffff09 1px,#0000 1px),linear-gradient(90deg,#ffffff09 1px,#0000 1px);background-size:48px 48px;-webkit-mask-image:linear-gradient(#000 0%,#0000 85%);mask-image:linear-gradient(#000 0%,#0000 85%)}.hero{background-image:none;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:56px;margin:0 auto;padding:96px 0 104px}.hero .eyebrow{border:1px solid var(--line-strong);background:var(--surface);color:var(--ink-body);letter-spacing:0;border-radius:999px;align-items:center;gap:8px;margin-bottom:28px;padding:5px 12px 5px 10px;font-size:13px;font-weight:500;display:inline-flex}.eyebrow-dot{background:var(--accent);width:7px;height:7px;box-shadow:0 0 0 4px var(--accent-soft);border-radius:50%}.hero h1{letter-spacing:-.025em;font-size:clamp(40px,6vw,72px);font-weight:700;line-height:1.12}.hero-sub{max-width:32em;color:var(--ink-soft);margin-top:28px;font-size:18px;line-height:1.75}.hero-cta{flex-wrap:wrap;gap:12px;margin-top:40px}.hero-cta .btn-ink,.hero-cta .btn-paper{align-items:center;min-height:50px;padding:14px 24px;display:inline-flex}.hero-cta-meta{opacity:.6;margin-left:6px;font-weight:500}.cred-row{border-top:1px solid var(--line);gap:10px 22px;margin-top:44px;padding-top:24px}.cred-row span{color:var(--ink-soft);white-space:normal;background:0 0;border:0;border-radius:0;align-items:baseline;gap:8px;padding:0;font-size:13px;font-weight:500;display:inline-flex}.cred-row span:before{content:"";background:var(--accent);border-radius:50%;flex-shrink:0;width:4px;height:4px;transform:translateY(-2px)}.hero-side{flex-direction:column;align-items:stretch;gap:12px;min-width:0;display:flex}.hconsole{border:1px solid var(--line-strong);background:var(--surface);border-radius:18px;position:relative;overflow:hidden;box-shadow:0 40px 100px -30px #000000bf,inset 0 0 0 1px #ffffff05}.hconsole:before{content:"";pointer-events:none;z-index:2;background:linear-gradient(90deg,#0000,#f5d54773,#0000);height:1px;position:absolute;inset:0 0 auto}.hconsole-bar{border-bottom:1px solid var(--line);height:40px;color:var(--ink-soft);align-items:center;gap:12px;padding:0 14px;font-size:12px;display:flex}.hconsole-dots{gap:6px;display:inline-flex}.hconsole-dots i{background:var(--line-strong);border-radius:50%;width:10px;height:10px}.hconsole-title{text-align:center;flex:1;font-weight:500}.hconsole-count{font-family:var(--mono);color:#6c6c75;font-size:11px}.hconsole-tabs{border-bottom:1px solid var(--line);grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.hconsole-tab{border:0;border-right:1px solid var(--line);min-width:0;color:var(--ink-soft);text-align:left;cursor:pointer;background:0 0;flex-direction:column;gap:2px;padding:10px 12px 11px;font-family:inherit;transition:background .15s,color .15s;display:flex;position:relative}.hconsole-tab:last-child{border-right:0}.hconsole-tab:hover{background:var(--surface-2);color:var(--ink-body)}.hconsole-tab.is-active{background:var(--surface-2);color:var(--ink)}.hconsole-tab:focus-visible{outline-offset:-2px}.hconsole-tab-week{font-family:var(--mono);font-size:11px;line-height:1.4}.hconsole-tab.is-active .hconsole-tab-week{color:var(--accent)}.hconsole-tab-name{text-overflow:ellipsis;white-space:nowrap;font-size:12.5px;font-weight:500;line-height:1.4;overflow:hidden}.hconsole-progress{background:var(--accent);transform-origin:0;height:2px;position:absolute;bottom:-1px;left:0;right:0}.hconsole-progress.is-running{animation-name:hc-progress;animation-timing-function:linear;animation-fill-mode:both}@keyframes hc-progress{0%{transform:scaleX(0)}to{transform:scaleX(1)}}.hconsole-screen{aspect-ratio:16/11;background:#0e0f12;position:relative;overflow:hidden}.hconsole-shot{object-fit:cover;opacity:0;width:100%;height:100%;transition:opacity .55s,transform 1.4s cubic-bezier(.2,.7,.2,1);position:absolute;inset:0;transform:scale(1.03)}.hconsole-shot.is-active{opacity:1;transform:none}.hconsole-foot{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;min-height:52px;padding:10px 16px;display:flex}.hconsole-caption{flex-wrap:wrap;align-items:baseline;gap:2px 10px;min-width:0;line-height:1.4;display:flex}.hconsole-caption strong{color:var(--ink);font-size:14px;font-weight:600}.hconsole-caption span{color:var(--ink-soft);font-size:12px}.hconsole-demo{color:var(--accent);white-space:nowrap;flex-shrink:0;font-size:13px;font-weight:600}.hconsole-demo:hover{color:var(--accent-deep)}@media (prefers-reduced-motion:reduce){.hconsole-shot{transition:none}}.hero-id{grid-template-columns:auto minmax(0,2fr);gap:10px;display:grid}.hero-photo{border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--surface);align-items:center;gap:10px;min-width:0;max-width:none;margin:0;padding:10px 12px;display:flex}.hero-portrait{aspect-ratio:1;object-position:50% 20%;width:40px;height:40px;box-shadow:0 0 0 2px var(--surface), 0 0 0 3px var(--accent-line);border:0;border-radius:50%;flex-shrink:0}.hero-photo figcaption{flex-direction:column;min-width:0;margin:0;line-height:1.35;display:flex}.hero-photo figcaption strong{color:var(--ink);font-size:14px;font-weight:600}.hero-photo figcaption span{white-space:nowrap;color:var(--ink-soft);font-size:12px}.hero-socials{grid-column:auto;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;max-width:none;display:grid}.social-card{border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--surface)}.social-card:hover{border-color:#464a53;transform:translateY(-1px)}.hero-socials .social-card{gap:10px;min-width:0;padding:10px 12px}.hero-socials .social-avatar{width:32px;height:32px}.hero-socials .social-badge{font-size:11px}.hero-socials .social-line,.hero-socials .social-name{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.hero-socials .social-name{font-size:13px}.hero-socials .social-line{font-size:11.5px}.social-youtube .social-badge{color:#ff5a5a}.social-douyin .social-badge{color:#ff5c7c}.shelf,.posts,.about,.services{width:var(--w);max-width:none;margin:128px auto 0;padding:0}.section-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px;display:flex}.section-kicker{font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:14px;font-size:12px;font-weight:500;display:block}.shelf h2,.posts h2,.about h2,.services h2{letter-spacing:-.02em;font-size:clamp(28px,3.4vw,40px);font-weight:700;line-height:1.2}.shelf-sub{max-width:36em;color:var(--ink-soft);margin-top:14px;font-size:16px}.section-link{color:var(--ink-soft);white-space:nowrap;font-size:14px;font-weight:500;transition:color .15s}.section-link:hover{color:var(--ink)}.uc-grid{flex-wrap:wrap;align-items:stretch;gap:16px;margin-top:44px;display:flex}.uc-card{border:1px solid var(--line);background:var(--surface);border-radius:18px;flex:280px;min-width:0;transition:border-color .18s,transform .18s}.uc-card:hover,.uc-card.is-open{border-color:var(--line-strong);box-shadow:none;transform:none}.course-cover{border-radius:var(--radius);object-fit:cover;background:var(--surface-2);border:0}.uc-cover{object-fit:cover;background:var(--surface-2);border:0;max-height:240px}.uc-body{border-top:1px solid var(--line);gap:6px;padding:22px 24px 0}.uc-body h3{font-size:19px;font-weight:650;line-height:1.35}.uc-body h3 a:hover{color:var(--accent)}.uc-teacher{display:none}.uc-facts{font-family:var(--mono);color:var(--ink-body);font-size:13px;font-weight:500}.uc-sched{font-family:var(--font-body);color:var(--ink-soft);font-size:14px}.uc-badge{border:1px solid var(--line-strong);background:var(--surface-2);color:var(--ink-body);order:-1;margin:0 0 8px;padding:3px 10px;font-weight:500}.uc-price{margin-top:auto;padding-top:18px}.uc-now{letter-spacing:-.02em;font-size:26px;font-weight:650}.uc-now small{color:var(--ink-soft);font-size:14px;font-weight:500}.uc-access-label{color:var(--accent)}.uc-access-label:before{background:var(--accent);color:var(--on-accent);border:0;border-radius:50%}.uc-card-primary{margin-top:10px}.uc-toggle{border-top:1px solid var(--line);color:var(--ink-soft);margin-top:20px;padding:14px 24px;font-weight:500;transition:color .15s,background .15s}.uc-face:hover .uc-toggle{background:var(--surface-2);color:var(--ink)}.uc-panel{background:var(--paper)}.uc-panel-body{padding:20px 24px 24px}.uc-tl{gap:0}.uc-tl li{border-color:var(--line)}.uc-tl-w{color:var(--ink-soft)}.uc-tl-tag{background:var(--surface-3);color:var(--ink-body)}.uc-tl-live .uc-tl-tag{background:var(--accent);color:var(--on-accent)}.uc-tl-planned .uc-tl-tag{border-color:var(--line-strong)}.uc-next-mark{background:var(--accent-soft);color:var(--accent)}@media (min-width:861px){.uc-card:first-child{border-color:var(--accent-line);background:radial-gradient(80% 120% at 100% 0%, #f5d5470f, transparent 60%), var(--surface);flex-basis:100%}.uc-card:first-child .uc-face{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);display:grid}.uc-card:first-child .uc-cover{aspect-ratio:auto;grid-row:1/span 2;height:100%;min-height:340px;max-height:none}.uc-card:first-child .uc-body{border-top:0;border-left:1px solid var(--line);padding:36px 40px 0}.uc-card:first-child .uc-body h3{letter-spacing:-.02em;font-size:28px}.uc-card:first-child .uc-badge{border-color:var(--accent-line);background:var(--accent-soft);color:var(--accent)}.uc-card:first-child .uc-now{font-size:34px}.uc-card:first-child .uc-card-primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}.uc-card:first-child .uc-toggle{margin-top:28px;padding:16px 40px}.uc-card:first-child .uc-panel-body{padding:24px 40px 32px}.uc-card:first-child .uc-tl{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:32px;display:grid}}.uc-sec-head h4{font-family:var(--font-body);font-weight:600}.res-grid-home{margin-top:40px}.tool-band{border:1px solid var(--line);border-left:1px solid var(--line);background:var(--surface);border-radius:18px;margin-top:56px;padding:24px 28px}.tool-band:hover{box-shadow:none;border-color:var(--line-strong);transform:none}.tool-band-name{font-family:var(--font-body);font-size:20px;font-weight:650}.tool-band-ext{border-color:var(--line-strong);border-radius:6px}.tool-band:hover .tool-band-btn{background:var(--ink);border-color:var(--ink);color:var(--paper)}.post-list{border-top:1px solid var(--line);margin-top:36px}.post-row{border-bottom:1px solid var(--line);border-radius:12px;margin:0 -16px;padding:24px 16px}.post-row:hover{background:var(--surface)}.post-row h3{font-size:18px;font-weight:600}.post-row:hover h3{color:var(--accent);background:0 0}.svc-grid{gap:16px}.svc-card{border:1px solid var(--line);background:var(--surface);border-radius:18px}.svc-card h3{font-family:var(--font-body);font-weight:650}.svc-price{font-family:var(--mono);color:var(--ink)}.svc-price small,.svc-desc{color:var(--ink-soft)}.svc-card .consult-btn,.svc-card .btn-ink{border-radius:var(--radius-sm)}.svc-card-camp{border-color:var(--accent-line);background:radial-gradient(90% 90% at 100% 0%, #f5d54714, transparent 70%), var(--surface);color:var(--ink-body)}.svc-card-camp h3,.svc-card-camp .svc-price{color:var(--ink)}.svc-card-camp .svc-desc{color:var(--ink-soft)}.svc-card-camp .btn-ink{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}.about{border:1px solid var(--line);background:var(--surface);border-radius:24px;margin-bottom:120px;padding:48px}.about-copy{color:var(--ink-soft)}.about-copy strong,.wechat-slot{color:var(--ink)}.about-creds li{color:var(--ink-body)}.about-creds li:before{color:var(--accent)}.wechat-qr img{background:#fff;border-radius:12px;padding:8px}input,select,textarea{border-radius:var(--radius-sm);color:var(--ink);background-color:var(--surface);border-color:var(--line-strong)}input::placeholder,textarea::placeholder{color:#6c6c75}@media (max-width:860px){.site-nav .nav-hide-md{display:none}.hero{grid-template-columns:1fr;gap:40px;padding:56px 0 64px}.shelf,.posts,.services{margin-top:88px}.about{margin-top:88px;padding:32px 24px}.uc-card .uc-face{grid-template-columns:1fr;display:grid}}@media (max-width:640px){.site-header{flex-direction:row;padding:0}.site-header-inner{flex-wrap:wrap;gap:0;height:auto;padding:12px 0 0}.wordmark{flex:1;min-width:0}.site-header .wordmark span:not(.wordmark-logo){display:none}.site-actions{border-left:0;gap:6px;padding-left:0}.site-actions a{padding:4px 10px}.site-nav{scrollbar-width:none;flex-wrap:nowrap;order:3;gap:2px;width:calc(100% + 40px);margin:8px -20px 0;padding:0 16px 10px;font-size:14px;overflow-x:auto}.site-nav::-webkit-scrollbar{display:none}.site-nav a{padding:6px 10px}.hero{padding:40px 0 52px}.hero h1{font-size:40px}.hero-sub{font-size:16px}.hero-cta{flex-direction:column;align-items:stretch}.hero-cta .btn-ink,.hero-cta .btn-paper{justify-content:center}.cred-row{gap:8px 16px;margin-top:32px}.hconsole-tab{align-items:center;padding:9px 8px 10px}.hconsole-tab-name{display:none}.hconsole-screen{aspect-ratio:4/3}.hconsole-foot{padding:10px 12px}.hero-id{grid-template-columns:1fr}.hero-socials{grid-column:auto}.shelf,.posts,.services{margin-top:72px}.uc-card .uc-face{grid-template-columns:96px minmax(0,1fr)}.uc-card .uc-cover{aspect-ratio:1;border-radius:12px;grid-area:1/1;width:78px;height:78px;margin:18px 0 0 18px}.uc-card .uc-body{grid-area:1/2;padding:18px 18px 0 4px}.uc-card .uc-price,.uc-card .uc-card-primary{width:calc(100% + 82px);margin-left:-82px}.uc-card .uc-toggle{grid-column:1/-1;margin-top:16px;padding:12px 18px}.uc-panel-body{padding:16px 18px 20px}.tool-band{padding:20px}.about{border-radius:18px;margin-top:72px;padding:28px 20px}}.eyebrow{letter-spacing:0;color:var(--ink-soft);align-items:center;gap:8px;margin-bottom:16px;font-size:13px;font-weight:500;display:inline-flex}.eyebrow:before{content:"";background:var(--accent);border-radius:2px;width:14px;height:2px}.lesson-eyebrow{flex-wrap:wrap;display:flex}.hero .eyebrow:before{display:none}.res-page h2,.posts-page h2,.account-page h1,.auth-page h1,.post-page h1,.course-head h1,.radar-head h1,.radar-empty h1{letter-spacing:-.02em;font-weight:700;line-height:1.2}.res-intro{font-size:16px;line-height:1.75}.how-to a,.auth-alt a,.lesson-extras a,.wechat-join-flow ol li a,.pkg-cta .pkg-login,.prose a{color:var(--ink);text-decoration:underline;-webkit-text-decoration-color:var(--accent-line);text-decoration-color:var(--accent-line);text-underline-offset:4px;text-decoration-thickness:1px;transition:text-decoration-color .15s}.how-to a:hover,.auth-alt a:hover,.lesson-extras a:hover,.wechat-join-flow ol li a:hover,.pkg-cta .pkg-login:hover,.prose a:hover{-webkit-text-decoration-color:var(--accent);text-decoration-color:var(--accent)}.how-to a.btn-ink,.how-to a.btn-accent,.how-to a.btn-paper{text-decoration:none}.form-error,.paycard .form-error{color:#ff8a80}.shelf-note{color:var(--ink-soft);font-size:14px}.course{width:var(--w);grid-template-columns:minmax(0,1fr) 360px;gap:64px;margin:48px auto 140px}.course-main{max-width:740px}.course-cover{aspect-ratio:21/9;box-shadow:none;margin-bottom:36px}.course-head h1{font-size:clamp(32px,4.2vw,48px)}.course-tagline{margin-top:16px;font-size:18px;line-height:1.7}.course-meta{margin-top:20px}.course-meta span{border:1px solid var(--line-strong);background:var(--surface);color:var(--ink-body);border-radius:999px;padding:6px 12px;display:inline-flex}.course-block{margin-top:88px}.course-block h2{letter-spacing:-.015em;margin-bottom:24px;font-size:clamp(22px,2.6vw,28px);font-weight:700}.toc-section{margin-bottom:28px}.toc-section h3{font-family:var(--font-body);color:var(--ink-soft);margin-bottom:10px;font-size:15px;font-weight:600}.toc-list{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden}.toc-list li{border-bottom:1px solid var(--line)}.toc-list li:last-child{border-bottom:0}.toc-list a,.toc-list .toc-locked{padding:14px 18px;transition:background .12s}.toc-list a:hover{background:var(--surface-2)}.toc-list a:hover .toc-title{color:var(--ink);background:0 0}.toc-title{color:var(--ink-body)}.toc-title:before{color:#6c6c75}.toc-meta em{border-radius:999px;font-weight:600}.toc-list li.toc-package,.lesson-toc-pkg .lesson-toc-row{background:0 0}.toc-package .content-kind,.lesson-toc-pkg .content-kind{color:var(--accent)}.toc-week{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);margin-bottom:8px;transition:border-color .15s;overflow:hidden}.toc-week[open]{border-color:var(--line-strong)}.toc-week summary{align-items:center;padding:16px 20px;transition:background .12s}.toc-week summary:hover{background:var(--surface-2)}.toc-week summary h3,.toc-week-upcoming h3{font-family:var(--font-body);font-size:16px;font-weight:600}.toc-week summary:after{content:"";border-right:1.5px solid var(--ink-soft);border-bottom:1.5px solid var(--ink-soft);flex-shrink:0;width:8px;height:8px;margin-left:4px;transition:transform .2s;transform:rotate(45deg)translateY(-3px)}.toc-week[open] summary:after{content:"";transform:rotate(-135deg)translateY(-1px)}.toc-week .toc-list{border:0;border-top:1px solid var(--line);background:var(--paper);border-radius:0;margin:0}.toc-week-upcoming{background:0 0;border-style:dashed}.toc-week-upcoming .toc-week-upcoming-row{padding:16px 20px}.proof-grid{gap:16px;margin-top:36px}.proof-card{border:1px solid var(--line);border-radius:18px;overflow:hidden}.proof-card:hover{border-color:var(--line-strong);box-shadow:none;transform:none}.proof-media{border-bottom:1px solid var(--line);background:var(--surface-2)}.proof-tag{color:var(--accent);font-size:12px}.proof-text h3{font-size:18px;font-weight:650}.proof-note a{-webkit-text-decoration-color:var(--accent-line);text-decoration-color:var(--accent-line)}.includes-list{gap:8px}.includes-list li{border:1px solid var(--line);border-left:1px solid var(--line);color:var(--ink-body);border-radius:12px;padding:14px 18px 14px 46px;position:relative}.includes-list li:before{content:"";border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);width:12px;height:7px;position:absolute;top:21px;left:18px;transform:rotate(-45deg)}.fit-grid{gap:12px}.fit-col{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.fit-col h3{font-family:var(--font-body);font-weight:600}.fit-col li:before{color:var(--accent)}.fit-not{border-style:solid;border-color:var(--line);background:0 0}.fit-not li:before{color:#6c6c75}.bridge{border:1px solid var(--accent-line);background:radial-gradient(90% 120% at 100% 0%, #f5d54712, transparent 65%), var(--surface);border-radius:18px;padding:32px}.how-to .steps li:before{border:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);background:var(--surface);width:28px;height:28px;font-family:var(--mono);color:var(--accent);border-radius:50%;flex-shrink:0;place-items:center;font-size:13px;font-weight:600;line-height:1;display:inline-grid;transform:translateY(-2px)}.intl-pay{border:1px solid var(--line);border-radius:var(--radius)}.buy-side{top:88px}.buy-card{border:1px solid var(--line-strong);background:radial-gradient(100% 60% at 50% 0%, #f5d54712, transparent 70%), var(--surface);border-radius:20px;gap:18px;padding:28px;box-shadow:0 30px 60px -30px #000000b3}.buy-price-row{flex-direction:column;align-items:flex-start;gap:4px;padding:0 0 18px}.buy-price-row .price,.buy-free{font-family:var(--font-body);letter-spacing:-.02em;color:var(--ink);font-weight:700}.buy-price-row .price{font-size:36px;line-height:1.1}.buy-free{font-size:24px;line-height:1.3}.buy-includes{color:var(--ink-body);gap:10px}.buy-includes li{padding-left:24px;position:relative}.buy-includes li:before{content:"";border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);width:10px;height:6px;position:absolute;top:7px;left:2px;transform:rotate(-45deg)}.buy-card .btn-accent,.buy-card .btn-ink{justify-content:center;align-items:center;min-height:50px;display:flex}.buy-preview{color:var(--ink-body);-webkit-text-decoration-color:var(--line-strong);text-decoration-color:var(--line-strong)}.buy-preview:hover{color:var(--ink)}.buy-trust{color:#7c7c85}@media (max-width:980px){.course{grid-template-columns:minmax(0,1fr);gap:28px}.sticky-buy{-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--line-strong);background:#121317db}.sticky-buy .price{font-family:var(--font-body);color:var(--ink);font-weight:700}.sticky-buy .btn-accent{min-height:44px}}.lesson{width:var(--w);grid-template-columns:290px minmax(0,1fr);gap:40px;margin:32px auto 120px}.lesson-side{border:1px solid var(--line);background:var(--surface);scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent;border-radius:16px;max-height:calc(100vh - 112px);padding:8px;top:88px}.lesson-back{font-family:var(--font-body);margin:6px 8px 10px;font-size:13px;font-weight:500}.lesson-toc{border-top:0}.lesson-toc-group{border-bottom:0}.lesson-toc-summary{min-height:40px;color:var(--ink-soft);border-radius:8px;padding:8px 10px}.lesson-toc-summary:hover{background:var(--surface-2);color:var(--ink)}.lesson-toc-section-title{font-size:13px;font-weight:600}.lesson-toc-count{color:#6c6c75;font-family:var(--mono);font-size:12px}.lesson-toc-list{border-top:0;margin-bottom:6px}.lesson-toc-list li+li{border-top:0}.lesson-toc-row{min-height:38px;color:var(--ink-body);border-radius:8px;padding:8px 10px;font-size:14px}.lesson-toc-row:before{background:var(--line-strong);border:0;border-radius:50%;margin-top:7px}a.lesson-toc-row:hover{background:var(--surface-2)}.lesson-toc-list .current .lesson-toc-row{background:var(--accent-soft);color:var(--ink)}.lesson-toc-list .current .lesson-toc-row:before{background:var(--accent);border:0;box-shadow:0 0 0 3px #f5d54733}.lesson-toc-pkg a.lesson-toc-row:hover{background:var(--surface-2)}.lesson-main h1{letter-spacing:-.015em;margin-bottom:24px;font-size:clamp(24px,3vw,34px);font-weight:700}.lesson-video,.video-pending{border:1px solid var(--line);background:#000;border-radius:16px;overflow:hidden;box-shadow:0 30px 80px -30px #000c}.video-pending{border-style:dashed;border-color:var(--line-strong);background:var(--surface);box-shadow:none}.preview-banner{border:1px solid var(--accent-line);background:var(--accent-soft);color:var(--ink-body);border-radius:12px;padding:12px 16px}.preview-banner a{color:var(--accent)}.lesson-pkg-card{border:1px solid var(--line);border-left:1px solid var(--line);border-radius:14px;padding:14px 18px}.lesson-pkg-more:hover{color:var(--accent);background:0 0}.lesson-extras{border:1px solid var(--line);background:var(--surface);border-radius:16px;padding:24px}.lesson-extras h2{font-size:16px;font-weight:650}.lesson-nav{border-top:0;gap:12px;margin-top:56px;padding-top:0}.lesson-nav a{border:1px solid var(--line);background:var(--surface);min-width:0;color:var(--ink-body);border-radius:14px;flex:1 1 0;padding:16px 20px;transition:border-color .15s,color .15s}.lesson-nav a:hover{background:var(--surface);border-color:var(--line-strong);color:var(--ink)}.lesson-nav a:last-child:not(:first-child){text-align:right}.prose{font-size:16px;line-height:1.85}.prose h1,.prose h2,.prose h3{letter-spacing:-.01em;font-weight:650}.prose code{border:1px solid var(--line);color:var(--ink);border-radius:6px}.prose pre{border:1px solid var(--line);color:var(--ink-body);background:#0e0f12;border-radius:12px;font-size:13.5px;line-height:1.7}.prose pre code{border:0}.prose blockquote{border-left:2px solid var(--accent);color:var(--ink-soft)}.prose th{background:var(--surface);color:var(--ink);font-weight:600}.prose img{border:1px solid var(--line);border-radius:12px}.prose hr{border:0;border-top:1px solid var(--line);margin:2em 0}.auth-page{border:1px solid var(--line);background:radial-gradient(90% 50% at 50% 0%, #f5d5470f, transparent 70%), var(--surface);border-radius:22px;width:min(460px,100vw - 40px);margin:80px auto 140px;padding:40px;box-shadow:0 40px 100px -40px #000c}.auth-page h1{margin-bottom:28px;font-size:clamp(26px,3vw,32px)}.auth-form{gap:18px}.auth-form label{color:var(--ink-body);font-size:13px;font-weight:500}.auth-form input{border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--paper);height:48px;padding:0 14px;transition:border-color .15s,box-shadow .15s}.auth-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);outline:none}.auth-form .btn-ink{min-height:48px;margin-top:6px}.auth-alt{border-top:1px solid var(--line);margin-top:24px;padding-top:20px}.redeem-login-first .hero-cta{flex-direction:column;align-items:stretch;gap:14px;margin-top:0}.redeem-login-first .hero-cta .btn-ink{text-align:center;justify-content:center}.redeem-login-first .link-quiet{align-self:center}.account-page{width:min(760px,100vw - 40px);margin:64px auto 140px}.account-page h1{margin-bottom:32px;font-size:clamp(22px,2.8vw,30px)}.account-page h2{color:var(--ink-soft);font-size:15px;font-weight:600}.account-notice{border:1px solid var(--accent-line);background:var(--accent-soft);color:var(--ink);border-radius:12px}.account-courses{border-top:0;gap:10px;display:grid}.account-courses li{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:20px 22px;transition:border-color .15s}.account-courses li:hover{border-color:var(--line-strong)}.account-course-title{font-family:var(--font-body);font-size:17px;font-weight:650}.account-course-title:hover{color:var(--accent);background:0 0}.account-course-action{border-radius:var(--radius-sm);border-width:1px;padding:10px 16px}.logout-btn{color:var(--ink-soft);background:0 0}.logout-btn:hover{color:var(--ink)}.posts-page{margin-top:64px}.post-tag{border-color:var(--line-strong);border-radius:999px;padding:1px 10px}.post-page{width:min(740px,100vw - 40px);margin:64px auto 140px}.post-page h1{font-size:clamp(30px,4vw,44px)}.post-locked{border:1px solid var(--accent-line);box-shadow:none;border-radius:18px}.radar-head{border-bottom:1px solid var(--line-strong)}.radar-archive-list>a{border-radius:10px}.radar-share-sheet{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--paper:#fafaf7;--surface:#fff;--surface-2:#f4f3ee;--surface-3:#ecebe5;--ink:#1a1a17;--ink-body:#333330;--ink-soft:#45453f;--line:#e5e4de;--line-strong:#d4d3cc;--accent:#1e3a5f;--accent-deep:#16304f;--on-accent:#fff;--accent-soft:#1e3a5f0f;--accent-line:#1e3a5f4d;--marker:#ffe94b;background:var(--paper);color:var(--ink-body)}@media print{:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--paper:#fff;--surface:#fff;--surface-2:#f4f3ee;--ink:#1a1a17;--ink-body:#333330;--ink-soft:#45453f;--line:#e5e4de;--line-strong:#d4d3cc;--accent:#1e3a5f;--on-accent:#fff}body{color:#333330;background:#fff}.site-header{-webkit-backdrop-filter:none;backdrop-filter:none;position:static}}.res-page{margin:64px auto 140px}.res-search{border-radius:var(--radius-sm);height:42px;padding:0 14px;transition:border-color .15s,box-shadow .15s}.res-search:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.res-filter{gap:6px}.res-filter button{border:1px solid var(--line-strong);height:34px;font-family:var(--font-body);color:var(--ink-soft);background:0 0;border-radius:999px;padding:0 14px;font-size:13px;font-weight:500}.res-filter button:hover{background:var(--surface-2);border-color:var(--line-strong);color:var(--ink)}.res-filter button.active{background:var(--ink);border-color:var(--ink);color:var(--paper)}.res-grid{gap:14px}.res-card{border:1px solid var(--line);border-radius:16px;transition:border-color .15s,background .15s}a.res-card:hover{border-color:var(--line-strong);background:var(--surface-2);box-shadow:none;transform:none}.res-card-pending{border-style:solid;border-color:var(--line);background:0 0}.res-card-pending h3,.res-card-pending .res-type-icon{opacity:.75}.res-card h3{font-weight:650}.res-tags em{border-color:var(--line-strong);font-family:var(--font-body);border-radius:999px;padding:1px 9px;font-size:12px}.res-tags .res-free{background:var(--accent-soft);border-color:var(--accent-line);color:var(--accent)}.day-badge{border-radius:999px;padding:2px 9px}.res-note{border-left:2px solid var(--accent);color:var(--ink-body);background:0 0;align-self:stretch;padding:2px 0 2px 12px;font-size:14px}.res-cta{color:var(--ink)}a.res-card:hover .res-cta,a.demo-card:hover .res-cta{color:var(--accent)}.pkg-page{width:min(780px,100vw - 40px);padding:64px 0 120px}.pkg-head h1{letter-spacing:-.02em;flex-wrap:wrap;align-items:center;gap:8px 14px;font-size:clamp(26px,3.6vw,38px);font-weight:700;display:flex}.pkg-head h1 .res-type-icon{border:1px solid var(--accent-line);background:var(--accent-soft);letter-spacing:0;border-radius:999px;margin-right:0;padding:4px 10px;font-size:13px}.pkg-tree{border:1px solid var(--line);color:var(--ink-body);background:#0e0f12;border-radius:14px}.demo-grid{gap:14px}.demo-card{border:1px solid var(--line);border-radius:16px}.demo-card:hover{border-color:var(--line-strong);background:var(--surface-2);box-shadow:none;transform:none}.demo-card h3{font-size:18px;font-weight:650}.demo-run{border:1px solid var(--line);border-radius:18px}.demo-frame{border:1px solid var(--line);background:#fff;border-radius:14px}.demo-local pre{border:1px solid var(--line);color:var(--ink-body);background:#0e0f12;border-radius:12px}.continue-strip{border:1px solid var(--accent-line);background:var(--accent-soft);color:var(--ink-body);border-radius:16px;margin-top:32px;padding:16px 20px}.continue-strip strong{color:var(--ink)}.wechat-join{border:1px solid var(--line);border-radius:18px}.wechat-join-flow ol li:before{border:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);width:24px;height:24px;font-family:var(--mono);color:var(--accent);border-radius:50%;place-items:center;font-size:12px;font-weight:600;line-height:1;display:inline-grid}.wechat-qr img{border:0}.wechat-join-flow ol li{align-items:flex-start}.wechat-join-flow .copy-wechat{vertical-align:1px;margin-left:6px;padding:2px 10px;font-size:12px}.wordmark .wordmark-logo{color:var(--on-accent);margin-left:0;font-size:13px;font-weight:800}.consult-overlay{-webkit-backdrop-filter:blur(6px);background:#0009}.consult-modal{background:var(--surface);border-radius:20px;box-shadow:0 40px 100px -20px #000c}.consult-modal img{background:#fff;border-radius:12px;padding:8px}.consult-close:hover{color:var(--ink)}@media (max-width:860px){.lesson{grid-template-columns:minmax(0,1fr);gap:24px}.lesson-side{max-height:60vh;position:static}}@media (max-width:640px){.course{margin:24px auto 100px}.course-block{margin-top:64px}.course-cover{aspect-ratio:16/9;margin-bottom:24px}.toc-list a,.toc-list .toc-locked{padding:12px 14px}.toc-week summary{padding:14px 16px}.bridge{padding:24px 20px}.buy-card{padding:22px}.auth-page{border-radius:18px;margin:32px auto 80px;padding:28px 22px}.lesson-extras{padding:18px}.lesson-nav{flex-direction:column}.lesson-nav a:last-child:not(:first-child){text-align:left}.res-page,.account-page,.post-page{margin-top:32px}.res-search{max-width:none}.res-filter{scrollbar-width:none;flex-wrap:nowrap;width:calc(100% + 40px);margin:0 -20px;padding:0 20px 4px;overflow-x:auto}.res-filter::-webkit-scrollbar{display:none}.res-filter button{flex-shrink:0}.pkg-page{padding-top:32px}}.not-found-sub{color:var(--ink-soft);margin:-12px 0 28px}.not-found-actions{flex-wrap:wrap;gap:10px;display:flex}.not-found-actions a{flex:140px;justify-content:center;display:inline-flex}.motion-ready :is(.shelf,.posts,.services,.about,.tool-band,.course-block,.uc-card,.res-card,.demo-card,.proof-card,.svc-card,.toc-week,.account-courses li):not([data-in-view]){opacity:0;transform:translateY(18px)}.motion-ready :is(.shelf,.posts,.services,.about,.tool-band,.course-block,.uc-card,.res-card,.demo-card,.proof-card,.svc-card,.toc-week,.account-courses li)[data-in-view]{animation:.7s cubic-bezier(.2,.7,.2,1) both reveal-up;animation-delay:var(--reveal-delay,0s)}@keyframes reveal-up{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}:is(.uc-card,.res-card,.demo-card,.proof-card,.svc-card,.hconsole,.buy-card){isolation:isolate;position:relative}:is(.uc-card,.res-card,.demo-card,.proof-card,.svc-card,.hconsole,.buy-card):after{content:"";z-index:1;border-radius:inherit;pointer-events:none;opacity:0;background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%), #f5d54712, transparent 60%);transition:opacity .3s;position:absolute;inset:0}:is(.uc-card,.res-card,.demo-card,.proof-card,.svc-card,.hconsole,.buy-card):hover:after{opacity:1}@media (hover:none){:is(.uc-card,.res-card,.demo-card,.proof-card,.svc-card,.hconsole,.buy-card):after{display:none}}.player-stage{position:relative}.player-resume{z-index:2;border:1px solid var(--line-strong);-webkit-backdrop-filter:blur(10px);color:var(--ink-body);background:#121317e0;border-radius:12px;align-items:center;gap:10px;padding:8px 8px 8px 14px;font-size:13px;animation:.35s both reveal-up;display:flex;position:absolute;bottom:64px;left:16px}.player-resume button{cursor:pointer;border-radius:8px;height:30px;padding:0 12px;font-family:inherit;font-size:13px;font-weight:600}.player-resume-go{background:var(--accent);color:var(--on-accent);border:0}.player-resume-x{border:1px solid var(--line-strong);color:var(--ink-soft);background:0 0}.player-resume-x:hover{color:var(--ink)}.player-bar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 20px;margin-top:12px;display:flex}.player-rates{border:1px solid var(--line);background:var(--surface);border-radius:10px;align-items:center;gap:4px;padding:3px;display:flex}.player-label{color:var(--ink-soft);padding:0 8px 0 6px;font-size:12px}.player-rates button{min-width:44px;height:30px;color:var(--ink-soft);font-family:var(--mono);cursor:pointer;background:0 0;border:0;border-radius:7px;padding:0 8px;font-size:12px;transition:background .12s,color .12s}.player-rates button:hover{background:var(--surface-2);color:var(--ink)}.player-rates button.is-active{background:var(--ink);color:var(--paper);font-weight:600}.player-keys{color:#6c6c75;font-size:12px}.player-keys kbd{border:1px solid var(--line-strong);background:var(--surface);min-width:20px;color:var(--ink-body);font-family:var(--mono);text-align:center;border-bottom-width:2px;border-radius:5px;margin:0 2px;padding:0 5px;font-size:11px;line-height:18px;display:inline-block}@media (hover:none){.player-keys{display:none}}@media (max-width:640px){.player-resume{bottom:56px;left:10px;right:10px}.player-resume span{flex:1}.player-rates{justify-content:space-between;width:100%}.player-rates button{flex:1;min-width:0}}.hero{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr)}.hero-copy{min-width:0}.hero-cta .btn-ink,.hero-cta .btn-paper{white-space:normal;text-align:center;flex-wrap:wrap;justify-content:center}.hero h1{overflow-wrap:break-word}@media (max-width:860px){.hero{grid-template-columns:minmax(0,1fr)}}.how-to .steps li{min-height:28px;padding-left:44px;line-height:1.75;display:block;position:relative}.how-to .steps li:before{position:absolute;top:0;left:0;transform:none}.how-to .steps li .copy-wechat{vertical-align:1px;margin-left:8px}[id]{scroll-margin-top:88px}.btn-paper.copy-wechat{border-radius:7px;padding:3px 10px;font-size:12px;line-height:1.6}.ld-stage{aspect-ratio:16/11;background:radial-gradient(80% 60% at 100% 0,#f5d5470d,#0000 60%),#0d0e11;position:relative;overflow:hidden}.ld-scene{color:var(--ink-body);gap:14px;padding:18px;font-size:12.5px;display:grid;position:absolute;inset:0}.ld-scene :where(.ld-file,.ld-rows li,.ld-kpi,.ld-label,.ld-actions li,.ld-people li,.ld-draft,.ld-compliance,.ld-clips li,.ld-timeline,.ld-phone,.ld-product,.ld-prompt,.ld-tasks li,.ld-outline li,.ld-slide,.ld-toast){opacity:0;transition:opacity .45s,transform .45s cubic-bezier(.2,.7,.2,1);transform:translateY(6px)}.ld-scene .is-on{opacity:1;transform:none}.ld-label{font-family:var(--mono);letter-spacing:.04em;color:#7c7c85;margin:2px 0 -4px;font-size:10.5px}.ld-file{border:1px solid var(--line-strong);background:var(--surface);font-family:var(--mono);color:var(--ink-body);border-radius:8px;place-self:start;align-items:center;gap:8px;padding:6px 10px;font-size:11px;display:inline-flex}.ld-file-ico{color:#d8f5e4;background:#1f6f43;border-radius:4px;padding:1px 5px;font-size:9.5px;font-weight:700}.ld-chip{border:1px solid var(--accent-line);background:var(--accent-soft);color:var(--accent);white-space:nowrap;border-radius:999px;padding:1px 8px;font-size:10.5px}.ld-kpis{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid}.ld-kpis-2{grid-template-columns:repeat(2,minmax(0,1fr))}.ld-kpi{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:10px 12px}.ld-kpi span{color:#7c7c85;font-size:10.5px;display:block}.ld-kpi strong{color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:-.01em;margin-top:2px;font-size:19px;font-weight:650;display:block}.ld-meter{background:var(--surface-3);border-radius:4px;height:4px;margin-top:8px;display:block;overflow:hidden}.ld-meter b{background:#ff8a65;border-radius:4px;height:100%;transition:width 1s cubic-bezier(.2,.7,.2,1) .2s;display:block}.ld-toast{border:1px solid var(--accent-line);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);color:var(--ink);background:#181812eb;border-radius:10px;align-items:center;gap:8px;padding:9px 12px;font-size:12px;font-weight:500;display:flex;position:absolute;bottom:14px;left:18px;right:18px}.ld-dot{background:#4ade80;border-radius:50%;flex-shrink:0;width:7px;height:7px;box-shadow:0 0 0 3px #4ade802e}.ld-caret{vertical-align:-2px;background:var(--accent);width:6px;height:1em;margin-left:1px;animation:.8s step-end infinite ld-blink;display:inline-block}@keyframes ld-blink{50%{opacity:0}}.ld-live{font-family:var(--mono);letter-spacing:.08em;color:#6c6c75;font-size:10px}.ld-live.is-on{color:#4ade80}.ld-live.is-on:before{content:"";vertical-align:1px;background:#4ade80;border-radius:50%;width:6px;height:6px;margin-right:6px;animation:1.6s ease-in-out infinite ld-pulse;display:inline-block}@keyframes ld-pulse{50%{opacity:.3}}.ld-links{flex-shrink:0;align-items:center;gap:12px;display:inline-flex}.ld-demo-link{color:var(--ink-soft);text-decoration:underline;-webkit-text-decoration-color:var(--line-strong);text-decoration-color:var(--line-strong);text-underline-offset:3px;font-size:12px}.ld-demo-link:hover{color:var(--ink)}.ld-factory{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-content:start}.ld-factory-left,.ld-factory-right,.ld-report-left,.ld-report-right,.ld-edit-left{align-content:start;gap:10px;min-width:0;display:grid}.ld-product{border:1px solid var(--line);background:var(--surface);border-radius:10px;align-items:center;gap:10px;padding:10px;display:flex}.ld-product strong{color:var(--ink);font-size:13px;display:block}.ld-product small{color:#7c7c85;font-size:10.5px;line-height:1.4}.ld-product-img{background:radial-gradient(circle at 50% 42%,#cfe8ff 0 22%,#0000 23%),radial-gradient(circle at 50% 42%,#8ab4d8 0 34%,#0000 35%),linear-gradient(135deg,#2b4a63,#1a2a38);border-radius:8px;flex-shrink:0;width:42px;height:42px}.ld-prompt{border:1px solid var(--line);min-height:74px;font-family:var(--mono);color:#a7c7a0;background:#0a0b0d;border-radius:10px;padding:10px 12px;font-size:10.5px;line-height:1.6}.ld-tasks{gap:5px;list-style:none;display:grid}.ld-tasks li{border:1px solid var(--line);background:var(--surface);border-radius:8px;grid-template-columns:22px 38px minmax(0,1fr) 58px;align-items:center;gap:8px;padding:4px 8px;font-size:11px;display:grid}.ld-task-thumb{background:var(--surface-3);border-radius:5px;width:22px;height:22px;transition:background .4s}.ld-tasks li.is-done .ld-task-thumb{background:linear-gradient(135deg,#3f6f9a,#1f3245)}.ld-task-id{font-family:var(--mono);color:#7c7c85}.ld-task-bar{background:var(--surface-3);border-radius:4px;height:4px;overflow:hidden}.ld-task-bar b{background:var(--accent);width:0;height:100%;transition:width .7s;display:block}.ld-tasks li.is-queue .ld-task-bar b{width:8%}.ld-tasks li.is-run .ld-task-bar b{width:62%}.ld-tasks li.is-done .ld-task-bar b{background:#4ade80;width:100%}.ld-tasks em{color:#7c7c85;text-align:right;white-space:nowrap;font-size:10.5px;font-style:normal}.ld-tasks li.is-run em{color:var(--accent)}.ld-tasks li.is-done em{color:#4ade80}.ld-edit{grid-template-columns:minmax(0,1fr) 128px;align-content:start}.ld-clips{grid-template-columns:repeat(5,minmax(0,1fr));gap:6px;list-style:none;display:grid}.ld-clips li{gap:4px;min-width:0;display:grid}.ld-clip{aspect-ratio:3/4;border:1px solid var(--line);border-radius:7px;display:block}.ld-clips small{text-overflow:ellipsis;white-space:nowrap;color:#7c7c85;font-size:10px;overflow:hidden}.ld-clips em{background:var(--accent-soft);color:var(--accent);font-family:var(--mono);opacity:0;border-radius:999px;justify-self:start;padding:0 6px;font-size:9.5px;font-style:normal;transition:opacity .4s}.ld-clips em.is-on{opacity:1}.ld-timeline{border:1px solid var(--line);background:#0a0b0d;border-radius:8px;gap:3px;height:26px;padding:3px;display:flex;position:relative}.ld-timeline span{transform-origin:0;background:linear-gradient(#f5d54759,#f5d54726);border-radius:4px;transition:transform .45s;transform:scaleX(0)}.ld-timeline.is-on span{transform:scaleX(1)}.ld-playhead{opacity:0;background:#fff;border-radius:2px;width:2px;position:absolute;top:-3px;bottom:-3px;left:3px;box-shadow:0 0 8px #fff9}.ld-playhead.is-on{opacity:1;animation:4.8s linear forwards ld-play}@keyframes ld-play{to{left:calc(100% - 5px)}}.ld-phone{border:1px solid var(--line-strong);background:#050506;border-radius:18px;align-self:start;padding:5px}.ld-phone-screen{aspect-ratio:9/16;background:linear-gradient(160deg, hsl(var(--h,32) 40% 34%), hsl(var(--h,32) 30% 14%));border-radius:13px;transition:background .6s;position:relative;overflow:hidden}.ld-phone-tag{color:#fff;background:#00000073;border-radius:999px;padding:1px 6px;font-size:9.5px;position:absolute;top:8px;left:8px}.ld-caption{color:#fff;text-align:center;text-shadow:0 1px 3px #000000b3;font-size:12px;font-weight:700;line-height:1.35;animation:.35s both ld-cap;position:absolute;bottom:22%;left:8px;right:8px}.ld-caption mark{background:var(--accent);color:var(--on-accent);text-shadow:none;border-radius:3px;padding:0 2px}@keyframes ld-cap{0%{opacity:0;transform:translateY(6px)scale(.96)}to{opacity:1;transform:none}}.ld-report{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);align-content:start}.ld-outline{color:var(--ink-body);gap:5px;padding-left:18px;font-size:11.5px;display:grid}.ld-slides{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.ld-slide{aspect-ratio:16/10;color:#1a1a17;background:#f7f6f2;border-radius:8px;flex-direction:column;gap:4px;padding:10px;display:flex;overflow:hidden;box-shadow:0 10px 24px -12px #000c}.ld-slide small{color:#6b6b63;font-size:9.5px;font-weight:600}.ld-slide-kpi{aspect-ratio:16/7;grid-column:span 2}.ld-slide-kpi strong{color:#c2410c;letter-spacing:-.02em;font-size:30px;font-weight:750;line-height:1}.ld-slide-kpi span{color:#6b6b63;font-size:10px}.ld-slide-kpi .ld-meter{background:#e7e5dd}.ld-bars{flex:1;align-items:flex-end;gap:5px;display:flex}.ld-bars span{background:#1e3a5f;border-radius:3px 3px 0 0;flex:1;transition:height .6s cubic-bezier(.2,.7,.2,1)}.ld-slide-list i{background:#d9d6cc;border-radius:3px;height:6px;margin-top:6px;display:block}.ld-slide-list i:first-of-type{width:90%}.ld-slide-list i:nth-of-type(2){width:72%}.ld-slide-list i:nth-of-type(3){width:80%}.ld-mail{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);align-content:start}.ld-people{align-content:start;gap:6px;list-style:none;display:grid}.ld-people li{border:1px solid var(--line);background:var(--surface);border-radius:9px;grid-template-rows:auto auto;grid-template-columns:26px minmax(0,1fr) 16px;align-items:center;gap:2px 8px;padding:7px 8px;transition:opacity .45s,transform .45s,border-color .3s;display:grid}.ld-people li.is-active{border-color:var(--accent-line)}.ld-avatar{background:var(--surface-3);width:26px;height:26px;color:var(--ink);border-radius:50%;grid-row:span 2;place-items:center;font-size:11px;font-weight:700;display:grid}.ld-person{white-space:nowrap;align-items:baseline;gap:6px;min-width:0;display:flex;overflow:hidden}.ld-person strong{color:var(--ink);font-size:12px}.ld-person small{text-overflow:ellipsis;color:#7c7c85;font-size:10.5px;overflow:hidden}.ld-people em{background:var(--surface-3);color:var(--ink-body);opacity:0;border-radius:999px;grid-column:2;justify-self:start;padding:0 7px;font-size:10px;font-style:normal;transition:opacity .4s}.ld-people em.is-on{opacity:1}.ld-check{color:#4ade80;opacity:0;grid-area:1/3/span 2;font-weight:700;transition:opacity .4s}.ld-check.is-on{opacity:1}.ld-draft{border:1px solid var(--line-strong);background:var(--surface);border-radius:10px;align-content:start;gap:8px;padding:12px;display:grid}.ld-draft-head{border-bottom:1px solid var(--line);color:#7c7c85;justify-content:space-between;gap:8px;padding-bottom:8px;font-size:10.5px;display:flex}.ld-subject{color:var(--ink);font-size:12.5px;font-weight:600;line-height:1.45}.ld-body{min-height:92px;color:var(--ink-body);font-size:11.5px;line-height:1.65}.ld-compliance{flex-wrap:wrap;gap:6px;display:flex}.ld-compliance span{color:#86efac;background:#4ade801f;border-radius:999px;padding:1px 8px;font-size:10.5px}@media (prefers-reduced-motion:reduce){.ld-scene *,.ld-scene :before{transition:none!important;animation:none!important}}@media (max-width:640px){.ld-stage{aspect-ratio:4/5}.ld-scene{gap:10px;padding:12px}.ld-factory,.ld-report,.ld-mail{grid-template-columns:minmax(0,1fr)}.ld-edit{grid-template-columns:minmax(0,1fr) 96px}.ld-prompt,.ld-body{min-height:0}.ld-people{grid-template-columns:repeat(2,minmax(0,1fr))}.ld-kpi strong{font-size:16px}.ld-toast{font-size:11px;bottom:10px;left:12px;right:12px}.ld-links .ld-demo-link{display:none}}.hero-free{color:var(--ink-soft);margin-top:16px;font-size:14px}.hero-free a{color:var(--ink-body);text-decoration:underline;-webkit-text-decoration-color:var(--line-strong);text-decoration-color:var(--line-strong);text-underline-offset:4px}.hero-free a:hover{color:var(--ink);-webkit-text-decoration-color:var(--accent);text-decoration-color:var(--accent)}.hero-cta .btn-accent{text-align:center;justify-content:center;align-items:center;min-height:50px;padding:14px 24px;display:inline-flex}@media (max-width:640px){.hero-cta .btn-accent{width:100%}}.ld-tasks{grid-template-columns:repeat(2,minmax(0,1fr))}.ld-tasks li{grid-template-rows:auto auto;grid-template-columns:22px minmax(0,1fr) auto;row-gap:4px;padding:6px 8px}.ld-tasks .ld-task-thumb{grid-row:span 2;height:28px}.ld-tasks .ld-task-bar{grid-column:2/-1}@media (max-width:640px){.ld-factory .ld-prompt,.ld-factory .ld-label:first-of-type,.ld-report .ld-outline,.ld-report .ld-report-left .ld-label:nth-of-type(2),.ld-factory-left .ld-label{display:none}.ld-report .ld-kpis-2{grid-template-columns:repeat(2,minmax(0,1fr))}.ld-slide-kpi strong{font-size:24px}.ld .hconsole-tab{align-items:center;padding:9px 4px 10px}.ld .hconsole-tab-week{display:none}.ld .hconsole-tab-name{text-align:center;max-width:100%;font-size:11px;display:block}.ld-clips li{overflow:hidden}.ld-clips small{display:none}.ld-clips em{text-overflow:ellipsis;max-width:100%;padding:0 4px;font-size:8.5px;overflow:hidden}.ld-slide-kpi{aspect-ratio:auto}.ld-slide-list{display:none}.ld-slides{grid-template-columns:minmax(0,1fr)}.ld-slide-bars{aspect-ratio:16/6}}.ld-scene{padding-bottom:60px}@media (max-width:640px){.ld-scene{padding-bottom:50px}.ld-product small{display:none}.ld-product{padding:8px}.ld-tasks li{padding:4px 6px}.ld-tasks .ld-task-thumb{height:22px}.ld-kpi{padding:8px 10px}.ld-slide-bars{aspect-ratio:16/5}.ld-slide{padding:8px}}.kv{isolation:isolate;text-align:center;border-bottom:1px solid var(--line);padding:clamp(72px,12vh,140px) 20px 40px;position:relative;overflow:clip}.kv-aurora{z-index:-1;pointer-events:none;filter:blur(60px);height:120%;position:absolute;inset:-20% -10% auto}.kv-aurora i{opacity:.5;will-change:transform;border-radius:50%;position:absolute}.kv-aurora i:first-child{background:radial-gradient(circle,#f5d54738,#0000 65%);width:46vw;height:46vw;animation:22s ease-in-out infinite alternate kv-drift-a;top:4%;left:8%}.kv-aurora i:nth-child(2){background:radial-gradient(circle,#ffa05a29,#0000 65%);width:40vw;height:40vw;animation:26s ease-in-out infinite alternate kv-drift-b;top:10%;right:6%}.kv-aurora i:nth-child(3){background:radial-gradient(#ffffff0f,#0000 65%);width:60vw;height:30vw;animation:30s ease-in-out infinite alternate-reverse kv-drift-a;top:38%;left:20%}@keyframes kv-drift-a{to{transform:translate(12vw,6vh)scale(1.15)}}@keyframes kv-drift-b{to{transform:translate(-10vw,8vh)scale(.9)}}.kv-eyebrow{border:1px solid var(--line-strong);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:var(--ink-body);background:#12131799;border-radius:999px;align-items:center;gap:8px;padding:6px 14px 6px 12px;font-size:13px;font-weight:500;animation:1s cubic-bezier(.16,1,.3,1) both kv-in;display:inline-flex}.kv-title{letter-spacing:-.04em;max-width:14ch;margin:28px auto 0;font-size:clamp(48px,9vw,112px);font-weight:700;line-height:1.04}html[lang=en] .kv-title{max-width:13ch}.kv-line{display:block}.kv-word{background:linear-gradient(#fff 30%,#a9a9b2 110%);color:#0000;animation:1.1s cubic-bezier(.16,1,.3,1) both kv-word;animation-delay:calc(.12s + var(--i,0) * 80ms);-webkit-background-clip:text;background-clip:text;margin:0;display:inline-block}html[lang=zh-CN] .kv-line{word-spacing:-.08em}.kv-word.kv-accent{background:linear-gradient(#ffe680 0%,#f5d547 55%,#d9a823 110%);-webkit-background-clip:text;background-clip:text}@keyframes kv-word{0%{opacity:0;filter:blur(14px);transform:translateY(.35em)scale(.96)}to{opacity:1;filter:blur();transform:none}}@keyframes kv-in{0%{opacity:0;filter:blur(8px);transform:translateY(16px)}to{opacity:1;filter:blur();transform:none}}.kv-sub{max-width:34em;color:var(--ink-soft);margin:28px auto 0;font-size:clamp(16px,1.6vw,20px);line-height:1.7;animation:1.1s cubic-bezier(.16,1,.3,1) .6s both kv-in}.kv-cta{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:36px;animation:1.1s cubic-bezier(.16,1,.3,1) .75s both kv-in;display:flex}.kv-cta .btn-accent,.kv-cta .btn-paper{border-radius:999px;justify-content:center;align-items:center;min-height:52px;padding:14px 28px;font-size:16px;display:inline-flex}.kv-cta .btn-accent{transition:transform .25s cubic-bezier(.16,1,.3,1),box-shadow .25s,background .2s;box-shadow:0 0 0 1px #f5d54766,0 10px 40px -10px #f5d5478c}.kv-cta .btn-accent:hover{transform:translateY(-2px)scale(1.02);box-shadow:0 0 0 1px #f5d54799,0 16px 50px -10px #f5d547b3}.kv-free{animation:1.1s cubic-bezier(.16,1,.3,1) .85s both kv-in}.kv-device-wrap{--rise:0;--px:0;--py:0;perspective:1600px;perspective-origin:50% 0;max-width:980px;margin:clamp(48px,8vh,88px) auto 0;animation:1.4s cubic-bezier(.16,1,.3,1) .9s both kv-in;position:relative}.kv-device{transform-origin:50% 0;transform:rotateX(calc((1 - var(--rise)) * 24deg + var(--py) * -3deg)) rotateY(calc(var(--px) * 4deg)) scale(calc(.86 + var(--rise) * .14)) translate3d(0, calc((1 - var(--rise)) * 40px), 0);will-change:transform;text-align:left}.kv-device .hconsole{box-shadow:0 50px 120px -30px #000000e6,inset 0 0 0 1px #ffffff0a,inset 0 -1px #ffffff14}.kv-device-floor{z-index:-1;filter:blur(20px);height:120px;opacity:calc(.4 + var(--rise) * .6);background:radial-gradient(#f5d5472e,#0000 70%);position:absolute;bottom:-60px;left:10%;right:10%}.kv-proof{text-align:left;gap:20px;max-width:980px;margin:40px auto 0;display:grid}.kv-proof .cred-row{border-top:0;justify-content:center;margin-top:0;padding-top:0}@media (max-width:640px){.kv{padding-top:48px}.kv-title{font-size:clamp(42px,13vw,56px)}.kv-cta{flex-direction:column;align-items:stretch}.kv-device{transform:rotateX(calc((1 - var(--rise)) * 16deg)) scale(calc(.92 + var(--rise) * .08))}.kv-proof .cred-row{justify-content:flex-start}}.ss{border-bottom:1px solid var(--line);position:relative}.ss-sticky{place-items:center;height:100svh;display:grid;position:sticky;top:0;overflow:hidden}.ss-glow{z-index:0;filter:blur(40px);pointer-events:none;will-change:transform;background:radial-gradient(40% 50% at 30%,#f5d54714,#0000 70%),radial-gradient(40% 50% at 70%,#78a0ff0d,#0000 70%);position:absolute;inset:10% -20%}.ss-frame{z-index:1;width:var(--w);will-change:transform, opacity, filter;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:center;gap:56px;display:grid;position:relative}.ss-copy{min-height:340px;position:relative}.ss-copy-item{will-change:transform, opacity, filter;flex-direction:column;justify-content:center;display:flex;position:absolute;inset:0}.ss-week{font-family:var(--mono);letter-spacing:.06em;color:var(--accent);font-size:12px}.ss-title{letter-spacing:-.035em;background:linear-gradient(#fff 40%,#9a9aa3 120%);color:#0000;-webkit-background-clip:text;background-clip:text;margin-top:16px;font-size:clamp(36px,5.2vw,72px);font-weight:700;line-height:1.08}.ss-title-2{background:linear-gradient(#ffe680 0%,#f5d547 60%,#c9961d 120%);color:#0000;-webkit-background-clip:text;background-clip:text}.ss-body{max-width:26em;color:var(--ink-soft);margin-top:20px;font-size:17px;line-height:1.7}.ss-dots{gap:8px;list-style:none;display:flex;position:absolute;bottom:-28px;left:0}.ss-dots li{background:var(--line-strong);border-radius:3px;width:22px;height:3px;transition:background .3s,width .3s}.ss-dots li.is-past{background:#6c6c75}.ss-dots li.is-on{background:var(--accent);width:40px}.ss-visual{aspect-ratio:1/.86;perspective:1400px;position:relative}.ss-visual-item{will-change:transform, opacity;place-items:center;display:grid;position:absolute;inset:0}.ss-source{color:#6c6c75;font-size:12px;position:absolute;bottom:-30px;right:0}.ss-factory{justify-items:center;gap:20px;width:100%;display:grid}.ss-product{border:1px solid var(--line-strong);background:var(--surface);color:var(--ink);border-radius:999px;align-items:center;gap:12px;padding:10px 18px 10px 10px;font-weight:600;display:inline-flex}.ss-product-img{background:radial-gradient(circle at 50% 45%,#cfe8ff 0 24%,#0000 25%),radial-gradient(circle at 50% 45%,#8ab4d8 0 38%,#0000 39%),linear-gradient(135deg,#2b4a63,#1a2a38);border-radius:50%;width:36px;height:36px}.ss-reels{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;width:100%;display:grid}.ss-reel{aspect-ratio:9/14;border:1px solid var(--line-strong);will-change:transform, opacity;background:linear-gradient(160deg,#1b2733,#0f151c);border-radius:16px;transition:border-color .4s,box-shadow .4s,background .6s;position:relative;overflow:hidden}.ss-reel.is-done{background:linear-gradient(160deg,#3f6f9a,#18293a);border-color:#4ade8073;box-shadow:0 20px 40px -20px #4ade8059}.ss-reel-shine{background:linear-gradient(110deg,#0000 30%,#ffffff1f 50%,#0000 70%);position:absolute;inset:0;transform:translate(-100%)}.ss-reel.is-done .ss-reel-shine{animation:1.2s .1s both ss-shine}@keyframes ss-shine{to{transform:translate(100%)}}.ss-reel-id{font-family:var(--mono);color:#ffffffb3;font-size:11px;position:absolute;top:10px;left:10px}.ss-reel-state{text-align:center;color:var(--accent);background:#00000073;border-radius:999px;padding:3px 8px;font-size:11px;position:absolute;bottom:10px;left:10px;right:10px}.ss-reel.is-done .ss-reel-state{color:#86efac}.ss-edit{place-items:center;width:100%;height:100%;display:grid;position:relative}.ss-clips{place-items:center;display:grid;position:absolute;inset:0}.ss-clip{aspect-ratio:3/4;will-change:transform, opacity;border:1px solid #ffffff14;border-radius:14px;width:22%;position:absolute;box-shadow:0 20px 40px -20px #000c}.ss-phone{will-change:transform, opacity;background:linear-gradient(160deg,#1a1b20,#050506);border:1px solid #2c2f36;border-radius:36px;width:min(42%,260px);padding:8px;position:relative;box-shadow:0 60px 100px -40px #000000e6,inset 0 0 0 1px #ffffff0a}.ss-phone-screen{aspect-ratio:9/19;background:linear-gradient(165deg, hsl(var(--h,32) 45% 38%), hsl(var(--h,32) 35% 12%));border-radius:28px;transition:background .8s;position:relative;overflow:hidden}.ss-phone-tag{color:#fff;background:#0006;border-radius:999px;padding:2px 8px;font-size:11px;position:absolute;top:14px;left:14px}.ss-caption{color:#fff;text-align:center;text-shadow:0 2px 8px #0009;font-size:clamp(14px,1.5vw,18px);font-weight:800;line-height:1.35;animation:.5s cubic-bezier(.16,1,.3,1) both ss-cap;position:absolute;bottom:22%;left:12px;right:12px}.ss-caption mark{background:var(--accent);color:var(--on-accent);text-shadow:none;border-radius:4px;padding:0 3px}@keyframes ss-cap{0%{opacity:0;filter:blur(6px);transform:translateY(10px)scale(.95)}to{opacity:1;filter:blur();transform:none}}.ss-progress{background:var(--accent);transform-origin:0;height:3px;position:absolute;bottom:0;left:0;right:0}.ss-report{width:100%;transform-style:preserve-3d;place-items:center;display:grid}.ss-stack{aspect-ratio:16/10;width:64%;transform-style:preserve-3d;position:relative}.ss-slide{color:#1a1a17;will-change:transform, opacity;background:#f7f6f2;border-radius:14px;flex-direction:column;gap:6px;padding:7%;display:flex;position:absolute;inset:0;box-shadow:0 40px 80px -30px #000000d9}.ss-slide small{color:#6b6b63;font-size:12px;font-weight:600}.ss-slide-kpi strong{letter-spacing:-.03em;color:#c2410c;font-variant-numeric:tabular-nums;font-size:clamp(40px,5.4vw,72px);font-weight:800;line-height:1}.ss-meter{background:#e7e5dd;border-radius:6px;height:6px;margin-top:auto;display:block;overflow:hidden}.ss-meter b{transform-origin:0;background:#f97316;height:100%;display:block}.ss-bars{flex:1;align-items:flex-end;gap:8px;display:flex}.ss-bars span{transform-origin:bottom;background:#1e3a5f;border-radius:4px 4px 0 0;flex:1;height:100%}.ss-slide-list i{background:#d9d6cc;border-radius:5px;height:10px;margin-top:12px;display:block}.ss-slide-list i:nth-of-type(2){width:76%}.ss-slide-list i:nth-of-type(3){width:86%}.ss-mail{gap:16px;width:100%;display:grid}.ss-people{flex-wrap:wrap;gap:8px;display:flex}.ss-person{border:1px solid var(--line-strong);background:var(--surface);color:var(--ink-body);border-radius:999px;align-items:center;gap:8px;padding:6px 14px 6px 6px;font-size:14px;transition:border-color .3s;display:inline-flex}.ss-person b{background:var(--surface-3);width:26px;height:26px;color:var(--ink);border-radius:50%;place-items:center;font-size:12px;display:grid}.ss-person.is-active{border-color:var(--accent-line)}.ss-person.is-ok b{color:#86efac;background:#4ade8033}.ss-letter{border:1px solid var(--line-strong);background:radial-gradient(80% 60% at 100% 0%, #f5d5470f, transparent 60%), var(--surface);border-radius:20px;padding:28px;box-shadow:0 40px 80px -40px #000000e6}.ss-letter-subject{border-bottom:1px solid var(--line);color:var(--ink);padding-bottom:14px;font-size:18px;font-weight:650}.ss-letter-body{min-height:9.6em;color:var(--ink-body);margin-top:14px;font-size:16px;line-height:1.8}.ss-caret{vertical-align:-3px;background:var(--accent);width:2px;height:1.1em;margin-left:2px;animation:.9s step-end infinite ld-blink;display:inline-block}.ss-letter-foot{flex-wrap:wrap;gap:8px;margin-top:12px;display:flex}.ss-letter-foot span{color:#86efac;background:#4ade801f;border-radius:999px;padding:2px 10px;font-size:12px}.ss-outro{z-index:2;text-align:center;will-change:transform, opacity, filter;flex-direction:column;justify-content:center;align-items:center;padding:0 20px;display:flex;position:absolute;inset:0}.ss-outro-kicker{font-family:var(--mono);letter-spacing:.08em;color:var(--accent);font-size:13px}.ss-outro-title{letter-spacing:-.04em;background:linear-gradient(#fff 40%,#9a9aa3 120%);color:#0000;-webkit-background-clip:text;background-clip:text;margin-top:20px;font-size:clamp(40px,7vw,96px);font-weight:700;line-height:1.06}.ss-outro-title span{background:linear-gradient(#ffe680 0%,#f5d547 60%,#c9961d 120%);color:#0000;-webkit-background-clip:text;background-clip:text}.ss-outro-cta{border-radius:999px;min-height:56px;margin-top:40px;padding:16px 36px;font-size:17px;box-shadow:0 0 0 1px #f5d54766,0 14px 50px -10px #f5d54799}@media (max-width:860px){.ss-frame{grid-template-rows:auto minmax(0,1fr);grid-template-columns:minmax(0,1fr);align-items:stretch;gap:20px;height:100svh;padding:84px 0 56px}.ss-copy{min-height:210px}.ss-title{font-size:clamp(32px,9vw,44px)}.ss-body{margin-top:12px;font-size:15px}.ss-dots{bottom:-14px}.ss-visual{aspect-ratio:auto;min-height:0}.ss-reels{gap:8px}.ss-reel{border-radius:10px}.ss-clip{width:26%}.ss-phone{border-radius:28px;width:min(48%,200px)}.ss-phone-screen{border-radius:22px}.ss-stack{width:78%}.ss-letter{padding:18px}.ss-letter-body{min-height:8em;font-size:14px}.ss-source{font-size:11px;bottom:-24px}}.ss-static{width:var(--w);gap:96px;margin:0 auto;padding:96px 0;display:grid}.ss-chapter-static{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:center;gap:48px;display:grid}.ss-chapter-static .ss-visual{min-height:320px}@media (max-width:860px){.ss-chapter-static{grid-template-columns:minmax(0,1fr)}}@media (prefers-reduced-motion:reduce){.kv-aurora i,.kv-word,.kv-eyebrow,.kv-sub,.kv-cta,.kv-free,.kv-device-wrap{animation:none!important}.kv-device{transform:none}}.ss-reel-play{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#ffffff24;border-radius:50%;width:34px;height:34px;margin:-17px 0 0 -17px;transition:background .4s;position:absolute;top:50%;left:50%}.ss-reel-play:after{content:"";border:6px solid #0000;border-left:10px solid #ffffffd9;border-right-width:0;position:absolute;top:50%;left:55%;transform:translate(-50%,-50%)}.ss-reel.is-done .ss-reel-play{background:#ffffff3d}@media (max-width:640px){.kv-title{max-width:none;font-size:clamp(36px,11.2vw,52px)}.kv-line{white-space:nowrap}}@media (max-width:860px){.ss-frame{padding-top:124px}.ss-reel-state{white-space:nowrap;padding:2px 4px;font-size:10px}.ss-reel-play{width:26px;height:26px;margin:-13px 0 0 -13px}}@media (max-width:640px){html[lang=en] .kv-line{white-space:normal}html[lang=en] .kv-title{font-size:clamp(36px,10.5vw,48px)}}.kv-ribbon{z-index:-1;pointer-events:none;opacity:.55;background:radial-gradient(48% 26% at 50% 60%,#0a0b0df7 30%,#0000 85%),url(/art/hero-ribbon.webp) 50% 30%/cover no-repeat;height:min(100svh,1000px);animation:2.4s cubic-bezier(.2,.7,.2,1) both kv-ribbon-in,28s ease-in-out 2.4s infinite alternate kv-ribbon-drift;position:absolute;inset:0 0 auto;-webkit-mask-image:linear-gradient(#0000 0%,#000 18% 55%,#0000 100%);mask-image:linear-gradient(#0000 0%,#000 18% 55%,#0000 100%)}@keyframes kv-ribbon-in{0%{opacity:0;transform:scale(1.08)}}@keyframes kv-ribbon-drift{to{transform:scale(1.06)translate(-1.5%,1%)}}@media (max-width:760px){.kv-ribbon{opacity:.45;background:radial-gradient(60% 22% at 50% 60%,#0a0b0dd9,#0000 75%),url(/art/hero-ribbon-mobile.webp) top/cover no-repeat}}main:has(>.auth-page:not(.not-found)){isolation:isolate;position:relative;overflow:clip}main:has(>.auth-page:not(.not-found)):before{content:"";z-index:-1;background:linear-gradient(90deg, var(--paper) 0%, #0a0b0d99 45%, transparent 75%), url(/art/auth-art.webp) right center / auto 100% no-repeat;opacity:.9;pointer-events:none;position:absolute;inset:0}.auth-page:not(.not-found){-webkit-backdrop-filter:blur(18px);background:radial-gradient(90% 50% at 50% 0,#f5d5470f,#0000 70%),#14161ad1}@media (max-width:760px){main:has(>.auth-page:not(.not-found)):before{background:linear-gradient(180deg, #0a0b0d59 0%, var(--paper) 70%), url(/art/auth-art.webp) center top / 100% auto no-repeat;opacity:.75}}.not-found-art{aspect-ratio:1;object-fit:cover;border-radius:18px;width:100%;max-width:260px;margin:0 auto 24px;display:block;-webkit-mask-image:radial-gradient(closest-side,#000 70%,#0000 100%);mask-image:radial-gradient(closest-side,#000 70%,#0000 100%)}.lh-hero{isolation:isolate;border-bottom:1px solid var(--line);position:relative;overflow:clip}.lh-hero-art{z-index:-1;background:linear-gradient(90deg, var(--paper) 10%, #0a0b0d8c 55%, #0a0b0d33 100%), linear-gradient(0deg, var(--paper) 0%, transparent 40%), url(/art/learner-hero.webp) right center / cover no-repeat;animation:1.6s cubic-bezier(.2,.7,.2,1) both lh-art-in;position:absolute;inset:0}@keyframes lh-art-in{0%{opacity:0;transform:scale(1.05)}}.lh-hero-inner{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);align-items:center;gap:40px;width:min(1180px,100vw - 40px);margin:0 auto;padding-block:clamp(56px,9vh,104px) clamp(48px,7vh,80px);display:grid}.lh-hello h1{letter-spacing:-.03em;color:var(--ink);margin-top:10px;font-size:clamp(34px,5vw,60px);line-height:1.06;animation:.9s cubic-bezier(.2,.7,.2,1) .1s both lh-rise}.lh-name{color:var(--accent);overflow-wrap:anywhere}.lh-note{max-width:46ch;color:var(--ink-body);margin-top:14px;font-size:15px;line-height:1.65;animation:.9s cubic-bezier(.2,.7,.2,1) .2s both lh-rise}@keyframes lh-rise{0%{opacity:0;filter:blur(6px);transform:translateY(14px)}}.lh-resume{border:1px solid var(--line-strong);-webkit-backdrop-filter:blur(20px);color:var(--ink-body);background:radial-gradient(120% 80% at 100% 0,#f5d5471f,#0000 60%),#14161ab8;border-radius:22px;gap:8px;padding:26px 28px;text-decoration:none;transition:transform .4s cubic-bezier(.2,.7,.2,1),border-color .2s;animation:.9s cubic-bezier(.2,.7,.2,1) .3s both lh-rise;display:grid;box-shadow:0 40px 100px -40px #000000e6}.lh-resume:hover{border-color:var(--accent-line);transform:translateY(-3px)}.lh-resume-kicker{letter-spacing:.08em;text-transform:uppercase;color:var(--accent);font-size:12px;font-weight:650}.lh-resume-title{color:var(--ink);font-size:clamp(20px,2.2vw,26px);line-height:1.3}.lh-resume-course{color:var(--ink-soft);font-size:14px}.lh-resume-foot{color:var(--ink-soft);justify-content:space-between;gap:12px;font-size:13px;display:flex}.lh-resume-go{color:var(--accent);font-weight:650}.lh-bar{background:var(--surface-3);border-radius:99px;height:4px;margin-top:8px;display:block;position:relative;overflow:hidden}.lh-bar i{border-radius:inherit;background:linear-gradient(90deg, #c9a92a, var(--accent));transition:width .9s cubic-bezier(.2,.7,.2,1);position:absolute;inset:0 auto 0 0;box-shadow:0 0 12px #f5d54780}.lh-progress{gap:6px;display:grid}.lh-progress .lh-bar{margin-top:4px}.lh-progress-text{color:var(--ink-soft);font-size:12.5px}.lh-body{width:min(1180px,100vw - 40px);margin:0 auto;padding-block:48px 120px}.lh-grid{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);align-items:start;gap:20px;display:grid}.lh-panel{border:1px solid var(--line);background:var(--surface);border-radius:20px;padding:24px}.lh-panel-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:8px 16px;margin-bottom:16px;display:flex}.lh-panel-head h2,.lh-section h2{letter-spacing:-.01em;color:var(--ink);font-size:18px;font-weight:650}.lh-panel-meta{color:var(--ink-soft);font-size:13px}.lh-weeks{gap:2px;margin:0;padding:0;list-style:none;display:grid}.lh-weeks li>a,.lh-weeks li>div{color:var(--ink-soft);border-radius:12px;grid-template-columns:40px minmax(0,1fr) auto;align-items:center;gap:12px;padding:10px 12px;text-decoration:none;display:grid}.lh-weeks li>a:hover{background:var(--surface-2)}.lh-weeks li.is-done .lh-week-title{color:var(--ink)}.lh-week-no{font-variant-numeric:tabular-nums;color:var(--ink-soft);font-size:12px;font-weight:650}.lh-weeks li.is-done .lh-week-no{color:var(--accent)}.lh-week-title{text-overflow:ellipsis;white-space:nowrap;font-size:14px;line-height:1.45;overflow:hidden}.lh-week-meta{white-space:nowrap;font-size:12.5px}.lh-weeks a .lh-week-meta{color:var(--accent)}.lh-panel-foot{border-top:1px solid var(--line);color:var(--ink-soft);margin-top:14px;padding-top:14px;font-size:13px}.lh-panel-foot a{color:var(--ink)}.lh-tool-list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.lh-tool-list li>a,.lh-tool-wechat{border:1px solid var(--line);background:var(--surface-2);color:var(--ink-body);border-radius:14px;align-items:center;gap:14px;padding:14px;text-decoration:none;transition:border-color .15s;display:flex}.lh-tool-list li>a:hover{border-color:var(--accent-line)}.lh-tool-list strong{color:var(--ink);font-size:14.5px;display:block}.lh-tool-list small{color:var(--ink-soft);margin-top:2px;font-size:12.5px;display:block}.lh-tool-icon{background:var(--accent-soft);width:36px;height:36px;color:var(--accent);border-radius:10px;flex:none;place-items:center;font-size:16px;display:grid}.lh-tool-wechat>span:nth-child(2){flex:1;min-width:0}.lh-section{margin-top:56px}.lh-section>h2{margin-bottom:16px}.lh-course-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;display:grid}.lh-course{border:1px solid var(--line);background:var(--surface);color:var(--ink-body);border-radius:18px;flex-direction:column;text-decoration:none;transition:transform .4s cubic-bezier(.2,.7,.2,1),border-color .2s;display:flex;overflow:hidden}.lh-course:hover{border-color:var(--line-strong);transform:translateY(-4px)}.lh-course img{aspect-ratio:16/9;object-fit:cover;background:var(--surface-2);width:100%;transition:transform .8s cubic-bezier(.2,.7,.2,1)}.lh-course:hover img{transform:scale(1.04)}.lh-course-body{border-top:1px solid var(--line);background:var(--surface);gap:6px;padding:16px 18px 18px;display:grid;position:relative}.lh-course-body strong{color:var(--ink);font-size:16px;line-height:1.35}.lh-course-body small{color:var(--ink-soft);font-size:12.5px}.lh-course-label{color:var(--accent);font-size:12px;font-weight:600}.lh-locked{gap:8px;margin:0;padding:0;list-style:none;display:grid}.lh-locked a{border:1px dashed var(--line-strong);color:var(--ink-soft);border-radius:14px;flex-wrap:wrap;justify-content:space-between;gap:4px 16px;padding:16px 18px;text-decoration:none;display:flex}.lh-locked a:hover{border-color:var(--accent-line)}.lh-locked strong{color:var(--ink)}.lh-posts{border-top:1px solid var(--line);margin:0;padding:0;list-style:none;display:grid}.lh-posts a{border-bottom:1px solid var(--line);color:var(--ink-body);gap:18px;padding:14px 4px;text-decoration:none;display:flex}.lh-posts a:hover span{color:var(--accent)}.lh-posts time{font-variant-numeric:tabular-nums;color:var(--ink-soft);flex:none;font-size:13px}.lh-public{text-align:center;margin-top:56px;font-size:13px}.lh-public a{color:var(--ink-soft)}@media (max-width:900px){.lh-hero-inner,.lh-grid{grid-template-columns:minmax(0,1fr)}.lh-hero-inner{gap:28px}.lh-hero-art{background:linear-gradient(180deg, #0a0b0d66 0%, var(--paper) 75%), url(/art/learner-hero.webp) 70% top / auto 60% no-repeat}}@media (max-width:560px){.lh-resume{padding:20px}.lh-week-title{white-space:normal}.lh-weeks li>a,.lh-weeks li>div{grid-template-columns:34px minmax(0,1fr)}.lh-week-meta{grid-column:2}.lh-tool-wechat{flex-wrap:wrap}}.member-bar{width:min(1180px,100vw - 40px);margin:20px auto 0}.member-bar .continue-strip{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 20px;margin-top:0;display:flex}.toc-list a[data-seen] .toc-title-text:after{content:" ✓";color:var(--accent);font-weight:650}.toc-list a[data-seen] .toc-title-text{color:var(--ink-soft)}.buy-card .lh-progress{margin-bottom:4px}.account-courses li{grid-template-columns:112px minmax(0,1fr) auto;align-items:center;gap:18px;display:grid}.account-course-cover{aspect-ratio:3/2;object-fit:cover;background:var(--surface-2);border-radius:10px;width:112px}.account-course-main{gap:4px;min-width:0;display:grid}@media (max-width:560px){.account-courses li{grid-template-columns:80px minmax(0,1fr)}.account-course-cover{width:80px}.account-course-action{grid-column:1/-1;justify-self:start}}.upgrade-card{isolation:isolate;border:1px solid var(--accent-line);background:var(--surface);border-radius:22px;margin-top:40px;padding:32px;position:relative;overflow:hidden}.upgrade-art{z-index:-1;background:linear-gradient(90deg, var(--surface) 35%, #14161a4d 100%), url(/covers/sct-camp-2.webp) right center / auto 100% no-repeat;position:absolute;inset:0}.upgrade-copy{max-width:460px}.upgrade-card h2{color:var(--ink);margin:8px 0 12px;font-size:clamp(22px,2.6vw,28px)}.upgrade-card p{color:var(--ink-body);line-height:1.7}.upgrade-actions{flex-wrap:wrap;gap:12px;margin-top:20px;display:flex}@media (max-width:560px){.upgrade-card{padding:24px}.upgrade-art{background:linear-gradient(180deg, #14161a33 0%, var(--surface) 55%), url(/covers/sct-camp-2.webp) center top / 100% auto no-repeat}.upgrade-copy{padding-top:120px}}@media (prefers-reduced-motion:reduce){.kv-ribbon,.lh-hero-art,.lh-hello h1,.lh-note,.lh-resume{animation:none}}.kv-sub,.kv-free{text-shadow:0 0 18px #0a0b0df2,0 1px 2px #0a0b0de6}