:root{
  --bg:#fff;--bg-alt:#fff;--glass:rgba(15,23,42,.025);--glass-border:#e5e7eb;--glass-hover:#f8fafc;--text:#111827;--muted:#6b7280;--accent:#111827;--accent-strong:#111827;--accent-secondary:#374151;--line:#e5e7eb;--shadow:0 8px 24px rgba(15,23,42,.05);--radius-xl:16px;--card:#fff
}
[data-theme="dark"]{
  --bg:#fff;--bg-alt:#fff;--glass:rgba(15,23,42,.025);--glass-border:#e5e7eb;--glass-hover:#f8fafc;--text:#111827;--muted:#6b7280;--accent:#111827;--accent-strong:#111827;--accent-secondary:#374151;--line:#e5e7eb;--shadow:0 8px 24px rgba(15,23,42,.05);--card:#fff
}

@media(prefers-reduced-motion:reduce){
  .animate-path{transition:none;stroke-dashoffset:0!important}
  .reveal{opacity:1;transform:none;transition:none}
}

html{scroll-behavior:smooth}
body{font-family:"SF Pro Display","SF Pro Text",-apple-system,BlinkMacSystemFont,Inter,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;overflow-x:hidden;min-height:100vh;margin:0}

a{color:inherit;text-decoration:none;transition:all .3s}
.container{max-width:1400px;margin:0 auto;padding:0 28px}

/* ---- Nav ---- */
.nav{position:sticky;top:0;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--glass-border);z-index:1000}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{font-weight:750;font-size:21px;letter-spacing:-.7px;color:var(--text);display:inline-flex;align-items:center;gap:8px}
.brand:after{content:"";display:inline-block;width:22px;height:22px;background:url("./logo-icon.svg") center/contain no-repeat}

/* ---- Hero ---- */
.hero{padding:104px 0 88px;position:relative;overflow:hidden;background:var(--bg);border-bottom:1px solid var(--glass-border)}
.hero .container{position:relative;z-index:1}
.hero-grid{display:flex;align-items:center;justify-content:space-between;gap:60px}
.hero-copy{flex:1;margin:0;text-align:left;display:flex;flex-direction:column;gap:20px}
.hero-copy .eyebrow{font-size:15px;letter-spacing:.32em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.h-title{font-size:clamp(28px,3.1vw,42px);line-height:1.12;margin-bottom:8px;font-weight:800;letter-spacing:-1.2px;color:var(--text);white-space:nowrap;display:flex;align-items:center;max-width:100%;position:relative;min-height:1.3em;overflow:visible}
.typing{display:inline-flex;white-space:nowrap;min-height:1.2em}
.typing-caret{display:inline-block;width:2px;height:1.2em;background:var(--accent);margin-left:6px;animation:caretBlink 1s steps(1) infinite}
.typing-complete .typing-caret{opacity:0}
.hero .h-sub{font-size:18px;color:var(--muted);margin-bottom:28px;max-width:560px}

.glass-panel,.hero-card,.chip,.story-meta,.story-text,.story-tag{display:none}

/* ---- Trust badges ---- */
.trust-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.trust-badges .badge{padding:6px 12px;border-radius:6px;border:1px solid var(--line);font-size:13px;color:var(--muted);background:#fff;position:relative;overflow:hidden}

/* ---- CTA ---- */
.cta-row{display:flex;flex-wrap:wrap;gap:18px;align-items:center}
.app-store-badge{display:inline-flex;align-items:center;gap:14px;padding:13px 22px;border-radius:10px;background:#111827;color:#fff;border:1px solid #111827;box-shadow:none;min-width:230px}
.app-store-badge small{display:block;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.7)}
.app-store-badge strong{font-size:22px;line-height:1;font-weight:700}
.app-store-badge svg{width:26px;height:26px}
.app-store-badge:hover{transform:translateY(-2px);box-shadow:none;background:#374151}
.testflight-badge{display:inline-flex;align-items:center;gap:18px;padding:13px 22px;border-radius:10px;background:#fff;color:#111827;border:1px solid var(--glass-border);box-shadow:none;min-width:260px}
.testflight-badge small{display:block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:rgba(0,0,0,.55)}
.testflight-badge strong{font-size:20px;line-height:1.2;font-weight:700}
.testflight-badge .badge-icons{display:flex;gap:10px}
.testflight-badge .badge-icons .icon{width:40px;height:40px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.05);border:1px solid rgba(0,0,0,.08)}
.testflight-badge .badge-icons svg{width:20px;height:20px}
.testflight-badge:hover{transform:translateY(-2px);box-shadow:none;border-color:#9ca3af}
.ghost-link{font-weight:600;color:var(--accent);position:relative;padding-right:26px}
.ghost-link:after{content:"→";position:absolute;right:0;top:50%;transform:translateY(-50%);transition:transform .3s}
.ghost-link:hover:after{transform:translate(6px,-50%)}
.skip-typing{background:none;border:1px solid var(--glass-border);color:var(--muted);font-size:13px;padding:6px 14px;border-radius:999px;cursor:pointer;transition:all .3s;margin-left:8px}
.skip-typing:hover{border-color:var(--accent);color:var(--accent)}
.urgency-tag{display:inline-block;background:rgba(255,107,107,.1);color:#e05252;font-size:11px;padding:2px 8px;border-radius:999px;margin-left:8px;font-weight:600}
@media(max-width:600px){
  .urgency-tag{display:none}
}

/* ---- Mobile menu ---- */
.mobile-menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;color:var(--text);transition:color .3s}
.mobile-menu-toggle .icon-close{display:none}
.mobile-menu-toggle.active .icon-menu{display:none}
.mobile-menu-toggle.active .icon-close{display:block}
.mobile-menu-toggle svg{width:24px;height:24px}
.nav-links{display:flex;align-items:center;gap:20px}
.nav-links .nav-link{font-weight:600;color:var(--muted);font-size:14px;transition:color .3s}
.nav-links .nav-link:hover{color:var(--text)}
.nav-links .ph-badge img{height:28px;width:auto}
.theme-toggle{background:none;border:none;cursor:pointer;padding:8px;color:var(--muted);transition:color .3s,background .3s;border-radius:8px;display:flex;align-items:center;justify-content:center}
.theme-toggle:hover{color:var(--text);background:var(--glass-hover)}
.theme-toggle .icon-sun{display:block}
.theme-toggle .icon-moon{display:none}
[data-theme="dark"] .theme-toggle .icon-sun{display:block}
[data-theme="dark"] .theme-toggle .icon-moon{display:none}
.theme-toggle svg{width:18px;height:18px}
@media(max-width:768px){
  .mobile-menu-toggle{display:flex}
  .nav-links{position:fixed;top:53px;left:0;right:0;background:rgba(255,255,255,.97);backdrop-filter:blur(12px);flex-direction:column;align-items:flex-start;gap:0;padding:20px;transform:translateY(-120%);opacity:0;transition:all .3s;z-index:999;border-bottom:1px solid var(--line)}
  .nav-links.active{transform:translateY(0);opacity:1}
  .nav-links .nav-link{width:100%;padding:14px 0;font-size:16px;border-bottom:1px solid var(--glass-border)}
  .nav-links .nav-link:last-child{border-bottom:none}
  .nav-links .ph-badge{display:none}
  .nav-links .theme-toggle{align-self:flex-start;margin-bottom:8px}
  .nav-links .lang-toggle{margin-top:12px}
}

/* ---- Back to top ---- */
.back-to-top{position:fixed;bottom:32px;right:32px;width:44px;height:44px;border-radius:10px;background:var(--accent);color:#fff;border:none;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(16px);transition:all .3s;z-index:900;box-shadow:none;display:flex;align-items:center;justify-content:center}
.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{transform:translateY(-2px);box-shadow:none;background:#374151}
.back-to-top svg{width:22px;height:22px}
@media(max-width:600px){
  .back-to-top{bottom:20px;right:20px;width:44px;height:44px}
}

/* ---- Sections ---- */
.section{padding:72px 0}
.section-title{font-size:36px;font-weight:800;text-align:center;letter-spacing:-1px;margin-bottom:12px}
.subheading{text-align:center;color:var(--muted);text-transform:uppercase;letter-spacing:.32em;font-size:12px;margin-bottom:14px}
.section p.section-lead,.doc p.section-lead{text-align:center;max-width:760px;margin:0 auto 42px;color:var(--muted)}

/* ---- Feature cards ---- */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.feature-card{padding:26px;border-radius:var(--radius-xl);border:1px solid var(--glass-border);background:var(--card);box-shadow:none;position:relative;overflow:hidden}
.feature-card .icon-chip{display:inline-flex;padding:6px 14px;border-radius:999px;border:1px solid var(--glass-border);color:var(--accent);font-size:13px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:18px}
.feature-card h3{font-size:24px;margin-bottom:12px}
.feature-card p{color:var(--muted);margin-bottom:16px}
.feature-card ul{list-style:none;display:flex;flex-direction:column;gap:10px;color:var(--text);font-size:15px}
.feature-card ul li{display:flex;gap:10px}
.feature-card ul li:before{content:"•";color:var(--accent);margin-top:-2px}

/* ---- Insight cards ---- */
.insight-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin-top:32px}
.insight-card{padding:26px;border-radius:var(--radius-xl);border:1px solid var(--glass-border);background:var(--card);box-shadow:none;position:relative;overflow:hidden}
.insight-card h3{font-size:22px;margin-bottom:10px}
.insight-card p{color:var(--muted);font-size:15px}
.insight-card .metric{display:flex;align-items:center;gap:16px;margin:22px 0}
.insight-card .metric strong{font-size:30px;font-weight:800;color:var(--accent)}
.insight-card .metric span{font-size:13px;letter-spacing:.3em;text-transform:uppercase;color:var(--muted)}
.mini-chart{height:220px;margin-bottom:20px}
.mini-chart svg{width:100%;height:100%}

/* ---- Feature charts ---- */
.feature-chart-grid{display:flex;overflow-x:auto;gap:28px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:4px}
.feature-chart-grid::-webkit-scrollbar{display:none}
@media(max-width:900px){.feature-chart-grid{gap:24px}}
@media(max-width:560px){.feature-chart-grid{gap:16px}}
.feature-chart{flex:0 0 calc(25% - 21px);min-width:280px;scroll-snap-align:start;display:flex;flex-direction:column;gap:12px;background:var(--card);border:1px solid var(--glass-border);padding:22px;border-radius:var(--radius-xl);transition:all .25s ease;position:relative;overflow:hidden}
@media(max-width:900px){.feature-chart{flex:0 0 calc(50% - 12px);min-width:260px}}
@media(max-width:560px){.feature-chart{flex:0 0 82%;min-width:260px}}
.feature-chart:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.feature-chart h3{font-size:22px;color:var(--accent);font-weight:800;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.feature-chart .feature-desc{font-size:16px;color:var(--muted);line-height:1.55;margin:0}
.chart-wrap{margin:6px 0;background:rgba(0,0,0,.03);border-radius:20px;padding:2px;border:1px solid rgba(212,175,55,.1);min-height:130px;display:flex;align-items:center;justify-content:center}
.chart-wrap svg{width:100%;height:auto;display:block;overflow:visible}
.meta{display:flex;flex-wrap:nowrap;gap:12px;margin-top:auto;justify-content:space-between}
.meta span{flex:1;text-align:center}
@media(max-width:600px){
  .meta{flex-wrap:wrap}
  .meta span{flex:none;text-align:left}
}
.meta span{padding:7px 16px;border-radius:999px;border:1px solid var(--line);font-size:13px;color:var(--muted);background:rgba(212,175,55,.05);font-weight:500;white-space:nowrap}
.feature-chart:hover .meta span{border-color:var(--accent);color:var(--accent)}

.bar-track{height:12px;border-radius:6px;background:rgba(0,0,0,.06);overflow:hidden;width:100%;margin:12px 0}
.bar-fill{height:100%;background:linear-gradient(90deg,#b8960c,#d4af37);width:0;transition:width 1.8s cubic-bezier(.34,1.56,.64,1)}
.reveal.active .bar-fill{width:var(--target-width)}

.animate-path{stroke-dasharray:9999;stroke-dashoffset:9999;transition:stroke-dashoffset 2.5s cubic-bezier(.4,0,.2,1)}
.reveal.active .animate-path{stroke-dashoffset:0}
.val-count{font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums}

/* ---- Links ---- */
.link-grid{display:flex;flex-wrap:wrap;gap:24px;justify-content:center;margin-top:36px}
.link-grid a{font-size:18px;font-weight:700;color:var(--accent);position:relative;padding-bottom:4px}
.link-grid a:after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:linear-gradient(90deg,var(--accent),transparent);transform-origin:left;transform:scaleX(0);transition:transform .3s}
.link-grid a:hover:after{transform:scaleX(1)}

/* ---- Compare cards ---- */
.compare-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:32px;margin-top:48px}
.compare-card{border-radius:var(--radius-xl);border:1px solid var(--glass-border);padding:32px;background:var(--card);position:relative}
.compare-card.mine{border-color:var(--accent);box-shadow:0 30px 60px rgba(212,175,55,.12)}
.compare-card h3{font-size:22px;margin-bottom:18px}
.compare-card ul{list-style:none;display:flex;flex-direction:column;gap:12px;color:var(--muted)}
.compare-card ul li{display:flex;gap:10px}
.compare-card ul li:before{content:"";width:10px;height:10px;margin-top:6px;border-radius:50%;background:var(--accent-secondary)}
.compare-card.other ul li:before{background:#ff6b6b}

/* ---- Feature scroll cards ---- */

.feat-scroll{position:relative;margin-top:48px;padding:0 24px}
.feat-scroll-track{display:flex;gap:16px;overflow-x:auto;scroll-behavior:smooth;scrollbar-width:none;-ms-overflow-style:none;padding:4px 0}
.feat-scroll-track::-webkit-scrollbar{display:none}

.feat-card{flex:0 0 220px;background:var(--bg-alt);border:0.5px solid var(--glass-border);border-radius:var(--radius-xl);padding:22px 18px 18px;display:flex;flex-direction:column;gap:10px}
.feat-card.feat-free{border-left:3px solid #1D9E75}
.feat-card.feat-pro{border-left:3px solid var(--accent-strong)}

.feat-card-index{font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.05em}
.feat-card-name{font-size:16px;font-weight:700;color:var(--text);margin:0}
.feat-card-desc{font-size:13px;line-height:1.6;color:var(--muted);flex:1;margin:0}
.feat-card-badge{display:inline-flex;align-items:center;font-size:12px;font-weight:600;padding:4px 10px;border-radius:6px;width:fit-content}
.feat-card-badge.both{background:rgba(29,158,117,.1);color:#1D9E75}
.feat-card-badge.pro{background:rgba(212,175,55,.1);color:var(--accent)}

.feat-scroll-btn{position:absolute;top:50%;transform:translateY(-50%);width:40px;height:40px;border:0.5px solid var(--glass-border);border-radius:50%;background:var(--bg-alt);color:var(--muted);display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:1;transition:opacity .2s,background .2s}
.feat-scroll-btn:hover{background:rgba(212,175,55,.06);color:var(--accent)}
.feat-scroll-left{left:-4px}.feat-scroll-right{right:-4px}

.feat-scroll-legend{display:flex;gap:24px;margin-top:20px;font-size:13px;color:var(--muted)}
.feat-scroll-legend span{display:flex;align-items:center;gap:8px}
.legend-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}
.legend-dot-free{background:#1D9E75}.legend-dot-pro{background:var(--accent-strong)}

@media(max-width:768px){
  .feat-scroll{padding:0 8px}
  .feat-card{flex:0 0 200px;padding:16px 14px 14px}
  .feat-card-name{font-size:15px}
}

/* ---- Buttons ---- */
.legal-card{text-align:center;align-items:center}
.legal-card .btn{justify-content:center}
.btn{display:inline-flex;align-items:center;gap:12px;padding:13px 22px;border-radius:10px;font-weight:700;font-size:15px;border:1px solid transparent;transition:all .2s}
.btn.primary{background:var(--accent);color:#fff;box-shadow:none}
.btn.primary:hover{transform:translateY(-2px);background:#374151}
.btn.secondary{border-color:var(--glass-border);color:var(--text)}
.btn.secondary:hover{border-color:var(--accent);color:var(--accent)}

/* ---- Footer ---- */
.footer{padding:56px 0;border-top:1px solid var(--glass-border);color:var(--muted);font-size:14px;margin-top:32px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer-copy{margin:0}
.footer-links{display:flex;justify-content:flex-end;gap:30px;flex-wrap:wrap}
.footer-links a:hover{color:var(--accent)}

/* ---- Doc pages ---- */
.doc{padding:56px 0 96px}
.doc h1{font-size:44px;margin-bottom:24px;letter-spacing:-1.5px}
.doc-section{margin-top:40px}
.doc-section h2{font-size:26px;margin-bottom:14px}
.doc-section h3{font-size:18px;margin:18px 0 8px}
.doc-section p{color:var(--muted);line-height:1.8;margin-bottom:12px}
.doc-section ul,.doc-section ol{margin:12px 0 20px;padding-left:20px;color:var(--muted);line-height:1.8}
.doc-section li+li{margin-top:6px}
.doc-section code{background:rgba(0,0,0,.04);padding:2px 6px;border-radius:6px;font-size:.9em}
.doc-back{margin:20px 0 30px}
.doc-back a{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:999px;border:1px solid var(--glass-border);color:var(--accent);font-weight:600;font-size:14px;text-transform:none}
.doc-back a:hover{border-color:var(--accent);color:var(--text)}
.guide-quick-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:0 0 34px}
.guide-quick-actions a{display:flex;align-items:center;min-height:48px;padding:0 16px;border:1px solid var(--glass-border);border-radius:10px;color:var(--muted);font-weight:600;font-size:14px;background:var(--card)}
.guide-quick-actions a:hover{color:var(--text);border-color:var(--accent);background:var(--glass-hover)}
.guide-toc{margin:24px 0 32px;border:1px solid var(--glass-border);border-radius:12px;background:var(--card)}
.guide-toc summary{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;color:var(--text);font-size:18px;font-weight:750;cursor:pointer;list-style:none}
.guide-toc summary::-webkit-details-marker{display:none}
.guide-toc summary::after{content:"收起";font-size:13px;font-weight:600;color:var(--muted)}
.guide-toc:not([open]) summary::after{content:"展开"}
.guide-toc ol{columns:2;column-gap:28px;margin:0;padding:0 18px 18px;list-style-position:inside}
.guide-toc li{break-inside:avoid;margin:0 0 8px;padding:0;color:var(--muted)}
.guide-toc a:hover{color:var(--text)}
.guide-links{display:flex;align-items:center;gap:14px}
.guide-links .ph-badge{display:flex;align-items:center}
.guide-links .ph-badge img{display:block;height:28px;width:auto}
.doc .table-wrap{max-width:100%;overflow-x:auto;margin:20px 0;border:1px solid var(--glass-border);border-radius:12px;-webkit-overflow-scrolling:touch}
.doc table{width:100%;min-width:560px;border-collapse:collapse;color:var(--muted);line-height:1.6}
.doc th,.doc td{padding:13px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--glass-border)}
.doc th{color:var(--text);font-weight:700;background:var(--glass-hover)}
.doc tbody tr:last-child td{border-bottom:none}

/* ---- Timeline ---- */
.timeline{position:relative;margin:20px 0 60px;padding-left:32px}
.timeline:before{content:"";position:absolute;left:12px;top:0;bottom:0;width:2px;background:var(--glass-border)}
.timeline-item{background:var(--card);border:1px solid var(--glass-border);border-radius:20px;margin-bottom:24px;padding:20px 24px;position:relative}
.timeline-item::before{content:"";position:absolute;left:-28px;top:26px;width:14px;height:14px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(212,175,55,.18)}
.timeline-item.current{border-color:var(--accent);background:rgba(212,175,55,.04)}
.timeline-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;font-weight:700;font-size:18px;color:var(--text);cursor:pointer}
.timeline-item summary::-webkit-details-marker{display:none}
.timeline-heading{display:flex;align-items:center;gap:14px}
.timeline-heading .version{font-size:20px;font-weight:800}
.timeline-heading .date{font-size:14px;color:var(--muted);letter-spacing:.05em}
.timeline-item summary::after{content:"+";font-size:18px;color:var(--muted)}
.timeline-item[open] summary::after{content:"–"}
.timeline-item[open]{border-color:var(--accent);background:rgba(212,175,55,.04)}
.timeline-body{margin-top:18px}
.timeline-body h3{margin-top:18px}
.timeline-body ul{margin:10px 0 0 18px;line-height:1.8;color:var(--muted)}
.timeline-body ul li{margin-bottom:8px}

/* ---- Language toggle ---- */
.lang-toggle{font-weight:600;color:var(--muted);font-size:14px;transition:color .3s}
.lang-toggle:hover{color:var(--accent)}

/* ---- Animations ---- */
@keyframes caretBlink{
  0%{opacity:1}
  50%{opacity:0}
  100%{opacity:1}
}

.reveal{opacity:0;transform:translateY(50px);transition:all 1s cubic-bezier(.16,1,.3,1)}
.reveal.active{opacity:1;transform:translateY(0)}

/* ---- Responsive ---- */
@media(max-width:1100px){
  .hero-grid{flex-direction:column;align-items:flex-start;gap:40px}
  .hero-copy{max-width:100%}
  .h-title{white-space:normal;display:block;font-size:34px}
  .typing{white-space:normal}
}

@media(max-width:900px){
  .hero{padding-top:120px}
  .cta-row{flex-direction:column;align-items:flex-start}
  .app-store-badge,.testflight-badge{width:100%;justify-content:center}
  .h-title{font-size:32px}
}

@media(max-width:600px){
  .hero-copy .eyebrow{letter-spacing:.3em}
  .section{padding:64px 0}
  .feature-card{padding:24px}
  .container{padding:0 20px}
  .doc.container{padding-left:24px;padding-right:24px}
  .doc{padding:36px 0 80px}
  .doc h1{font-size:34px;line-height:1.25}
  .doc-section{margin-top:28px}
  .doc-section p,.doc-section li{font-size:15px}
  .doc-back a{width:100%;justify-content:center}
  .guide-quick-actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-bottom:26px}
  .guide-quick-actions a{min-height:46px;padding:0 12px;font-size:13px;line-height:1.3}
  .guide-toc{margin:20px 0 28px}
  .guide-toc summary{padding:15px 16px;font-size:17px}
  .guide-toc ol{columns:1;padding:0 16px 16px}
  .guide-toc li{margin-bottom:9px}
  .guide-links{gap:4px}
  .guide-links .ph-badge{display:none}
  .guide-links .theme-toggle,.guide-links .lang-toggle{min-height:44px;padding:0 10px}
  .guide-links .lang-toggle{display:inline-flex;align-items:center}
  .doc-section h2{font-size:23px;line-height:1.35;margin-top:34px}
  .doc-section h3{font-size:17px;line-height:1.45;margin-top:24px}
  .doc .table-wrap{margin:16px 0}
  .doc th,.doc td{padding:11px 12px;font-size:14px}
  .footer-inner{flex-direction:column;align-items:flex-start}
  .footer-links{justify-content:flex-start}
}