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20px}.problem-card h3,.principle-card h3{font-size:18px;margin-bottom:8px}.problem-card p,.principle-card p{font-size:15.5px;line-height:1.68;color:var(--text-secondary)}@media (max-width: 720px){.problem-grid,.principles-grid{grid-template-columns:1fr;gap:10px;margin-top:16px}.problem-card,.principle-card{padding:14px 16px}.problem-card h3,.principle-card h3{font-size:16px}.problem-card p,.principle-card p{font-size:14.5px}}.features-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:24px}.feature-card{display:flex;flex-direction:column;gap:8px;padding:16px;height:100%}.feature-card-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.feature-badge,.status-badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:9999px;font-size:12px;font-weight:600;letter-spacing:.02em;color:var(--accent);background:var(--accent-soft);border:1px solid var(--accent-border);white-space:nowrap}.heading-with-badge{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.heading-with-badge h2{margin:0}.feature-card-title{font-size:17px;font-weight:600;line-height:1.35;color:var(--text-heading)}.feature-card-desc{font-size:15px;line-height:1.62;color:var(--text-secondary)}.feature-icon{height:38px;width:38px}@media (max-width: 900px){.features-grid{grid-template-columns:1fr;gap:8px;margin-top:12px}.feature-card{padding:12px 14px;gap:6px}.feature-card-title{font-size:15px}.feature-card-desc{font-size:13.5px;line-height:1.55}.feature-icon{height:34px;width:34px}#features .section-lead{font-size:14px;margin-top:8px;line-height:1.6}}@media (max-width: 520px){.features-grid{margin-top:12px}}.section-heading h2{font-size:clamp(1.75rem,3.8vw,2.125rem)}.section-lead{margin-top:12px;font-size:17px;line-height:1.75}.vision-body{display:flex;flex-direction:column;gap:12px;margin-top:20px}.vision-lead-card,.vision-ambition-card,.vision-compare-card{padding:16px 18px}.vision-lead-card h3,.vision-ambition-card h3,.vision-compare-card h3{font-size:17px;margin-bottom:8px}.vision-lead-card p,.vision-ambition-card p,.vision-compare-card p{font-size:15px;line-height:1.68;color:var(--text-secondary)}.vision-lead-card p+p,.vision-ambition-card p+p{margin-top:8px}.vision-compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}@media (max-width: 720px){.vision-compare-grid{grid-template-columns:1fr;gap:10px}.vision-body{gap:10px;margin-top:14px}.vision-lead-card,.vision-ambition-card,.vision-compare-card{padding:14px 16px}.vision-lead-card h3,.vision-ambition-card h3,.vision-compare-card h3{font-size:15px}.vision-lead-card p,.vision-ambition-card p,.vision-compare-card p{font-size:14px}.heading-with-badge{gap:8px}}.people-section+.people-section{margin-top:20px}.team-card-founder{margin-top:16px;max-width:520px}.team-grid,.team-grid-collaborators{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}.team-card{display:flex;align-items:center;gap:18px;padding:22px;color:inherit}.team-card:hover{color:inherit;box-shadow:0 8px 28px var(--hero-glow)}.team-avatar-wrap{position:relative;flex-shrink:0;width:80px;height:80px}.team-avatar{width:80px;height:80px;border-radius:9999px;border:2px solid var(--accent-border);-o-object-fit:cover;object-fit:cover;flex-shrink:0}.team-avatar-wrap .team-avatar{width:100%;height:100%}.team-avatar-wrap-founder{width:88px;height:88px}.team-avatar-badge{position:absolute;top:-5px;right:-5px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;font-size:20px;line-height:1;border-radius:9999px;background:var(--void-light);border:2px solid var(--accent-border);box-shadow:0 2px 8px #0000001f;pointer-events:none}.team-info h3{font-size:19px}.team-role{margin-top:4px;font-size:14px;font-weight:500;color:var(--accent)}.team-bio{margin-top:6px;font-size:15px;line-height:1.58;color:var(--text-secondary)}.team-handle{margin-top:4px;font-size:13px;color:var(--text-muted)}@media (max-width: 768px){.people-section+.people-section{margin-top:16px}.team-card-founder{max-width:none}.team-grid,.team-grid-collaborators{grid-template-columns:1fr;gap:12px}.team-card{padding:16px;gap:14px}.team-avatar-wrap,.team-avatar{width:64px;height:64px}.team-avatar-wrap-founder{width:72px;height:72px}.team-avatar-badge{width:30px;height:30px;font-size:17px;top:-3px;right:-3px}.team-info h3{font-size:17px}.team-bio{font-size:14px}}@media (max-width: 480px){.team-card{flex-direction:column;align-items:flex-start}}.snap-footer{margin-top:28px;padding-top:20px;border-top:1px solid var(--accent-border);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}.snap-footer-nav{display:flex;gap:20px;font-size:14px}.snap-footer-nav a{color:var(--text-secondary)}.snap-footer-copy{font-size:13px;color:var(--text-muted)}.site-footer{position:fixed;bottom:0;left:0;right:0;z-index:50;min-height:calc(var(--footer-height) + var(--safe-bottom));padding-bottom:var(--safe-bottom);border-top:1px solid var(--accent-border);background:var(--header-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.footer-inner{display:flex;align-items:center;justify-content:space-between;min-height:var(--footer-height);gap:16px}.footer-copy{font-size:13px;color:var(--text-muted);white-space:nowrap}.footer-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}.footer-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--text-secondary);padding:8px 12px;border-radius:9999px;transition:color var(--duration-normal) var(--ease-out),background var(--duration-normal) var(--ease-out)}.footer-link:hover{color:var(--accent);background:var(--btn-outline-hover-bg)}.footer-link-bilibili:hover{color:#00a1d6}.footer-link-github{color:var(--text-secondary)}.footer-link-github:hover{color:var(--text-heading)}.footer-icon{flex-shrink:0}.bilibili-icon,.qq-icon,.github-icon{flex-shrink:0;display:block}.bilibili-icon path{fill:#fb7299}.github-icon{color:currentColor}.footer-cta{height:36px;padding:0 18px;font-size:14px}@media (max-width: 640px){:root{--footer-height: 48px}.footer-inner{flex-direction:row;flex-wrap:nowrap;justify-content:space-between;align-items:center;padding-block:6px;gap:8px;min-height:var(--footer-height)}.footer-copy{font-size:11px;flex:1 1 auto;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.footer-actions{width:auto;flex-shrink:0;gap:6px}.footer-link{padding:4px 8px;font-size:12px}.footer-cta{height:28px;padding:0 10px;font-size:12px}}@media (max-width: 480px){:root{--footer-height: 48px}.footer-inner{justify-content:space-between;align-items:center;padding-block:6px}.footer-copy{flex:1 1 auto;text-align:start}.footer-actions{width:auto;justify-content:flex-end}.footer-link span{display:none}}.header-faq-link{display:inline-flex;align-items:center;height:34px;padding:0 14px;font-size:14px;font-weight:600;letter-spacing:.01em;color:var(--text-secondary);background:transparent;transition:color var(--duration-normal) var(--ease-out);white-space:nowrap}.header-faq-link:hover{color:var(--accent)}@media (max-width: 768px){.header-faq-link{height:32px;padding:0 10px;font-size:12px}}@media (max-width: 480px){.header-faq-link{height:30px;padding:0 8px;font-size:11px}}.header-dl-btn{height:34px;padding:0 16px;font-size:14px;border-radius:9999px;white-space:nowrap}@media (max-width: 768px){.header-dl-btn{height:32px;padding:0 12px;font-size:12px}}@media (max-width: 480px){.header-dl-btn{height:30px;padding:0 10px;font-size:11px}}.community-modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding-top:calc(var(--nav-height) + var(--safe-top) + 16px);padding-bottom:calc(var(--footer-height) + var(--safe-bottom) + 16px);padding-left:max(var(--page-gutter),env(safe-area-inset-left,0px));padding-right:max(var(--page-gutter),env(safe-area-inset-right,0px));visibility:hidden;pointer-events:none}.community-modal[hidden]{display:none}.community-modal.is-open{visibility:visible;pointer-events:auto}.community-modal-backdrop{position:absolute;inset:0;background:#0a0f1e94;opacity:0;transition:opacity .38s var(--ease-out)}[data-theme=light] .community-modal-backdrop{background:#f4f7fbc7}.community-modal.is-open .community-modal-backdrop{opacity:1}.community-modal-panel{position:relative;z-index:1;width:min(720px,100%);max-height:100%;overflow-y:auto;overscroll-behavior:contain;padding:28px 24px 24px;margin:0;background:var(--void-lighter);border:1px solid var(--accent-border);border-radius:var(--radius-lg);box-shadow:0 24px 64px var(--hero-glow);scrollbar-width:none;-ms-overflow-style:none;transform:scale(.92) translateY(16px);transition:transform .38s var(--ease-out)}.community-modal-panel::-webkit-scrollbar{display:none}.community-modal.is-open .community-modal-panel{transform:scale(1) translateY(0)}.community-modal-close{position:absolute;top:12px;right:12px;display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid var(--accent-border);border-radius:9999px;background:var(--surface-bg);color:var(--text-secondary);cursor:pointer;transition:color var(--duration-normal) var(--ease-out),border-color var(--duration-normal) var(--ease-out),background var(--duration-normal) var(--ease-out)}.community-modal-close:hover{color:var(--accent);border-color:var(--accent-border-hover);background:var(--surface-bg-hover)}.community-modal-header{text-align:center;padding-right:32px}.community-modal-header h2{margin-top:8px;font-size:clamp(1.35rem,2.5vw,1.75rem)}.community-modal-lead{margin-top:10px;font-size:15px;line-height:1.7;color:var(--text-secondary)}.community-modal-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:16px}.community-modal-card{margin:0;text-align:center}.community-modal-qr{width:100%;max-width:260px;height:auto;border-radius:var(--radius-md);margin:0 auto;display:block}@media (max-width: 640px){.community-modal{padding-top:calc(var(--nav-height) + 12px);padding-bottom:calc(var(--footer-height) + 12px)}.community-modal-panel{padding:22px 20px 18px;width:min(100%,360px)}.community-modal-header{padding-right:28px}.community-modal-header h2{font-size:1.25rem}.community-modal-lead{font-size:14px}.community-modal-grid{grid-template-columns:1fr;gap:14px;margin-top:12px;max-width:240px;margin-left:auto;margin-right:auto}.community-modal-qr{max-width:220px}}.dl-popup{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding-top:calc(var(--nav-height) + var(--safe-top) + 16px);padding-bottom:calc(var(--footer-height) + var(--safe-bottom) + 16px);padding-left:max(var(--page-gutter),env(safe-area-inset-left,0px));padding-right:max(var(--page-gutter),env(safe-area-inset-right,0px));visibility:hidden;pointer-events:none}.dl-popup[hidden]{display:none}.dl-popup.is-open{visibility:visible;pointer-events:auto}.dl-popup-backdrop{position:absolute;inset:0;background:#0a0f1e94;opacity:0;transition:opacity .38s var(--ease-out)}[data-theme=light] .dl-popup-backdrop{background:#f4f7fbc7}.dl-popup.is-open .dl-popup-backdrop{opacity:1}.dl-popup-panel{position:relative;z-index:1;width:min(420px,100%);max-height:100%;overflow-y:auto;overscroll-behavior:contain;padding:32px 28px 28px;margin:0;background:#9ad4ea0f;border:1px solid rgba(154,212,234,.2);border-radius:20px;backdrop-filter:blur(40px) saturate(1.6);-webkit-backdrop-filter:blur(40px) saturate(1.6);box-shadow:0 24px 64px #00000040,0 0 0 1px #ffffff14 inset,0 1px #ffffff1f inset;scrollbar-width:none;-ms-overflow-style:none;transform:scale(.88) translateY(20px);opacity:0;transition:transform .42s var(--ease-out),opacity .32s var(--ease-out)}[data-theme=light] .dl-popup-panel{background:#ffffff59;border-color:#5eb8e540;box-shadow:0 24px 64px #5eb8e51f,0 0 0 1px #fff6 inset,0 1px #ffffff8c inset}.dl-popup-panel::-webkit-scrollbar{display:none}.dl-popup.is-open .dl-popup-panel{transform:scale(1) translateY(0);opacity:1}.dl-popup-close{position:absolute;top:12px;right:12px;display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid var(--accent-border);border-radius:9999px;background:var(--surface-bg);color:var(--text-secondary);cursor:pointer;transition:color var(--duration-normal) var(--ease-out),border-color var(--duration-normal) var(--ease-out),background var(--duration-normal) var(--ease-out)}.dl-popup-close:hover{color:var(--accent);border-color:var(--accent-border-hover);background:var(--surface-bg-hover)}.dl-popup-header{text-align:center;padding-right:32px}.dl-popup-header h2{margin-top:8px;font-size:clamp(1.3rem,2.4vw,1.7rem)}.dl-popup-lead{margin-top:10px;font-size:15px;line-height:1.7;color:var(--text-secondary)}.dl-popup-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:20px}.dl-popup-card{display:flex;flex-direction:column;align-items:center;gap:10px;padding:24px 16px 20px;border-radius:16px;text-align:center;text-decoration:none;color:var(--text-primary);background:#9ad4ea0a;border:1px solid var(--accent-border);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:background var(--duration-normal) var(--ease-out),border-color var(--duration-normal) var(--ease-out),box-shadow var(--duration-normal) var(--ease-out),transform var(--duration-normal) var(--ease-out)}[data-theme=light] .dl-popup-card{background:#fff3}.dl-popup-card:hover{background:#9ad4ea1f;border-color:var(--accent-border-hover);box-shadow:0 8px 28px var(--hero-glow);transform:translateY(-2px);color:var(--text-heading)}[data-theme=light] .dl-popup-card:hover{background:#ffffff73}.dl-popup-icon{display:flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:16px;background:var(--accent-soft);border:1px solid var(--accent-border);color:var(--accent);font-size:28px;transition:background var(--duration-normal) var(--ease-out),border-color var(--duration-normal) var(--ease-out)}.dl-popup-card:hover .dl-popup-icon{border-color:var(--accent-border-hover)}.dl-popup-label{font-size:16px;font-weight:600;line-height:1.3}.dl-popup-size{font-size:13px;color:var(--text-muted);font-weight:500}@media (max-width: 640px){.dl-popup{padding-top:calc(var(--nav-height) + 12px);padding-bottom:calc(var(--footer-height) + 12px)}.dl-popup-panel{padding:24px 20px 20px;width:min(100%,360px);border-radius:16px}.dl-popup-header{padding-right:28px}.dl-popup-header h2{font-size:1.2rem}.dl-popup-lead{font-size:14px}.dl-popup-grid{gap:12px;margin-top:16px}.dl-popup-card{padding:18px 12px 16px;gap:8px}.dl-popup-icon{width:48px;height:48px;border-radius:14px}.dl-popup-icon svg{width:24px;height:24px}.dl-popup-label{font-size:15px}.dl-popup-size{font-size:12px}}@media (max-width: 380px){.dl-popup-grid{grid-template-columns:1fr}}.feature-icon{display:flex;align-items:center;justify-content:center;border-radius:var(--radius-md);background:var(--accent-soft);border:1px solid var(--accent-border);color:var(--accent)}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none}}.faq-section{padding-top:calc(var(--nav-height) + var(--safe-top) + 48px);padding-bottom:calc(var(--footer-height) + var(--safe-bottom) + 64px);min-height:100vh;min-height:100dvh}.faq-section-inner{padding-block:24px}@media (max-width: 768px){.faq-section{padding-top:calc(var(--nav-height) + var(--safe-top) + 24px);padding-bottom:calc(var(--footer-height) + var(--safe-bottom) + 40px)}.faq-section-inner{padding-block:12px}}.faq-list{display:flex;flex-direction:column;gap:10px;margin-top:24px;max-width:46rem}.faq-item{padding:0;overflow:hidden}.faq-item[open]{border-color:var(--accent-border-hover);background:var(--surface-bg-hover)}.faq-q{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;cursor:pointer;list-style:none;font-size:16px;font-weight:600;color:var(--text-heading);-webkit-user-select:none;-moz-user-select:none;user-select:none;transition:color var(--duration-fast) var(--ease-out)}.faq-q::-webkit-details-marker{display:none}.faq-q:hover{color:var(--accent)}.faq-chevron{flex-shrink:0;color:var(--text-secondary);transition:transform var(--duration-normal) var(--ease-out),color var(--duration-fast) var(--ease-out)}.faq-item[open] .faq-chevron{transform:rotate(180deg);color:var(--accent)}.faq-a{padding:0 20px 16px;font-size:15px;line-height:1.7;color:var(--text-secondary);animation:faqSlideIn .3s var(--ease-out)}@keyframes faqSlideIn{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.faq-list{margin-top:16px;gap:8px}.faq-q{padding:14px 16px;font-size:15px}.faq-a{padding:0 16px 14px;font-size:14px;line-height:1.65}}@keyframes astroFadeInOut{0%{opacity:1}to{opacity:0}}@keyframes astroFadeIn{0%{opacity:0;mix-blend-mode:plus-lighter}to{opacity:1;mix-blend-mode:plus-lighter}}@keyframes astroFadeOut{0%{opacity:1;mix-blend-mode:plus-lighter}to{opacity:0;mix-blend-mode:plus-lighter}}@keyframes astroSlideFromRight{0%{transform:translate(100%)}}@keyframes astroSlideFromLeft{0%{transform:translate(-100%)}}@keyframes astroSlideToRight{to{transform:translate(100%)}}@keyframes astroSlideToLeft{to{transform:translate(-100%)}}@media (prefers-reduced-motion){::view-transition-group(*),::view-transition-old(*),::view-transition-new(*){animation:none!important}[data-astro-transition-scope]{animation:none!important}}.astro-route-announcer{position:absolute;left:0;top:0;clip:rect(0 0 0 0);clip-path:inset(50%);overflow:hidden;white-space:nowrap;width:1px;height:1px}