@charset "UTF-8";
/* Supporting guides share the existing directory's typography and spacing. */
:root{color-scheme:dark;--bg:#111510;--panel:#1a1f18;--line:#343c2e;--text:#f4f5ec;--muted:#afb6a6;--lime:#cefa6b;--font:Arial,"PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 var(--font);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:hover{color:var(--lime)}button,a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,summary:focus-visible{outline:2px solid var(--lime);outline-offset:5px;border-radius:3px}p,h1,h2,h3{margin:0}h1,h2,h3{line-height:1.2}.shell{width:min(1180px,calc(100% - 64px));margin:auto}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip{position:fixed;top:-100px;left:20px;background:var(--lime);color:var(--bg);padding:12px;z-index:20}.skip:focus{top:10px}header{border-bottom:1px solid var(--line);background:var(--bg)}.nav{min-height:92px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;font-size:21px;font-weight:750;letter-spacing:-.7px}.brand-icon{height:34px;width:34px;border-radius:8px;background:var(--lime);color:var(--bg);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:25px;line-height:1}.brand-icon span{font-size:16px;margin-left:-3px;margin-top:-9px}.nav nav{display:flex;gap:30px;font-size:14px;color:var(--muted)}.languages{display:flex;border:1px solid var(--line);padding:4px;border-radius:7px;gap:2px}.languages a{font-size:14px;padding:4px 11px;border-radius:4px}.languages a[aria-current]{background:var(--lime);color:var(--bg)}.intro{padding:64px 0 54px;display:grid;grid-template-columns:1.2fr 1fr;gap:80px;align-items:center}.eyebrow{font:12px/1.5 monospace;letter-spacing:1.8px;color:var(--lime);margin-bottom:18px}h1{font-size:clamp(40px,4.3vw,60px);font-weight:600;letter-spacing:-2.5px;line-height:1.12}.lead{color:var(--muted);margin-top:23px;max-width:460px;font-size:16px}.intro-note{border-left:1px solid var(--line);padding-left:35px}.note-label{font:12px monospace;color:var(--muted);letter-spacing:1.2px}.intro-note h2{font-size:24px;font-weight:500;margin:15px 0 13px;max-width:380px}.intro-note>p{color:var(--muted);font-size:14px;max-width:385px}.meta{display:flex;gap:40px;margin-top:25px}.meta span{font-size:12px;color:var(--muted);display:flex;flex-direction:column}.meta b{font:17px/1.5 monospace;color:var(--text);margin-bottom:3px}.section-head{border-top:1px solid var(--line);padding:32px 0 24px;display:flex;justify-content:space-between;gap:20px}.section-head .eyebrow{margin-bottom:10px}h2{font-size:28px;font-weight:550;letter-spacing:-.7px}.section-head p:not(.eyebrow){color:var(--muted);font-size:14px;margin-top:10px}.section-count{font:64px/.95 monospace;color:#576448;align-self:center;letter-spacing:-4px}.platform-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;align-items:start}.platform{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:22px 19px;transition:border-color .2s}.platform:hover{border-color:#6c8052}.card-top{display:flex;gap:10px;align-items:center;min-height:54px;position:relative}.monogram{flex-shrink:0;background:color-mix(in srgb,var(--accent) 12%,transparent);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);color:var(--accent);width:38px;height:38px;display:grid;place-items:center;border-radius:10px;font:700 14px monospace}.card-top h3{font-size:17px;font-weight:600;letter-spacing:-.4px;overflow-wrap:anywhere}.category{font-size:12px;color:var(--muted)}.index{display:none}.rate{padding:26px 0 13px;display:flex;flex-direction:column;gap:5px}.rate strong{font-size:30px;letter-spacing:-1px;font-weight:500;line-height:1.2;font-variant-numeric:tabular-nums}.rate strong.pending{font-size:26px;color:#d3d7cc}.rate>span{font-size:12px;color:var(--muted)}.benefit{font-size:14px;min-height:47px;line-height:1.55;color:#dee7d0}.platform details{border-top:1px solid var(--line);margin-top:12px;padding-top:12px;font-size:14px}.platform summary{color:var(--muted);cursor:pointer;min-height:28px}.platform details p{margin-top:12px;color:#c1c8b9}.source{display:inline-block;margin-top:12px;color:var(--lime)}.card-actions{display:flex;align-items:center;gap:10px;margin-top:18px}.visit{background:var(--lime);color:#17200e;padding:9px 12px;border-radius:6px;font-size:14px;font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:14px;flex:1;min-height:42px}.visit:hover{background:#e0ff9b;color:#17200e}.rule-link{font-size:12px;color:var(--muted)}.platform small{display:block;color:#929d86;font-size:12px;line-height:1.5;margin-top:13px}.data-section{margin-top:76px;padding:42px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr 1.4fr;gap:80px}.data-intro>p:not(.eyebrow){color:var(--muted);font-size:14px;margin-top:15px}.data-note{color:var(--muted);font-size:14px;border-left:2px solid var(--lime);padding-left:17px;margin:30px 0;max-width:330px}.text-link{color:var(--lime);font-size:14px}.small{font-size:12px!important}.table-wrap{min-width:0}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid #2c3426}thead th{font-weight:400;color:var(--muted);font-size:12px;padding-top:0;padding-bottom:18px}tbody th{font-weight:400;width:40%}td{position:relative;text-align:right;font-family:monospace;font-variant-numeric:tabular-nums}td>span:last-child{position:relative;z-index:1}.volume-bar{position:absolute;inset:9px auto 9px 0;width:var(--w);background:#2e3d1c;border-radius:2px}.guide{padding:60px 0}.faq-list{margin-top:30px;border-top:1px solid var(--line)}.faq{border-bottom:1px solid var(--line);padding:20px 0}.faq summary{font-size:17px;cursor:pointer}.faq p{color:var(--muted);max-width:860px;margin-top:16px;padding-left:20px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:45px;margin-top:50px}.step-num{font:14px monospace;color:var(--lime)}.steps h3{font-size:18px;font-weight:500;margin-top:13px}.steps p{font-size:14px;color:var(--muted);margin-top:9px}footer{border-top:1px solid var(--line);padding:35px 0 20px}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:25px}.footer-top>a:last-child{font-size:14px;color:var(--muted)}footer p{color:#a1aa97;font-size:12px;max-width:980px;margin:12px 0}.footer-bottom{margin-top:24px;padding-top:18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#8f9b84}
@media(min-width:1400px){.shell{width:min(1280px,calc(100% - 100px))}.platform{padding:24px}.rate strong{font-size:34px}}
@media(max-width:1100px){.platform-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.intro{gap:40px}.data-section{gap:40px}.index{display:block;margin-left:auto;font:12px monospace;color:#8d987f}.benefit{min-height:22px}.nav nav{gap:18px}.platform{padding:25px}.card-top h3{font-size:19px}}
@media(max-width:700px){.shell{width:calc(100% - 36px)}.nav{min-height:76px;flex-wrap:wrap;gap:14px;padding:17px 0}.nav nav{order:3;flex-basis:100%;border-top:1px solid var(--line);padding-top:12px;justify-content:space-between;font-size:13px}.brand{font-size:18px}.intro{grid-template-columns:1fr;padding:36px 0;gap:27px}h1{font-size:44px;letter-spacing:-1.9px}.intro-note{padding:20px;border:1px solid var(--line);border-radius:9px}.intro-note h2{font-size:20px}.meta{gap:35px;margin-top:18px}.platform-grid{gap:12px}.platform{padding:18px 14px}.card-top{align-items:flex-start;gap:8px}.card-top h3{font-size:16px}.category{font-size:12px}.monogram{width:30px;height:30px;font-size:12px;border-radius:7px}.index{display:none}.rate strong{font-size:27px}.rate strong.pending{font-size:23px}.benefit{min-height:44px;font-size:13px}.card-actions{flex-wrap:wrap}.visit{flex-basis:100%;font-size:13px;padding:9px}.rule-link{font-size:12px}.section-head{padding:25px 0 20px}.section-count{font-size:46px}h2{font-size:24px}.data-section{grid-template-columns:1fr;gap:30px;margin-top:45px;padding:30px 0}.data-note{max-width:none;margin:22px 0}.steps{gap:20px}.steps h3{font-size:16px}.steps p{font-size:13px}.guide{padding:40px 0}.footer-bottom{flex-direction:column;gap:10px}.eyebrow{font-size:12px;letter-spacing:1px}.faq summary{font-size:16px}.faq p{font-size:14px}}
@media(max-width:390px){.platform-grid{grid-template-columns:1fr}.benefit{min-height:0}.card-actions{flex-wrap:nowrap}.visit{flex-basis:auto}.steps{grid-template-columns:1fr;gap:25px}h1{font-size:38px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.platform-icon{width:40px;height:40px;object-fit:contain;flex-shrink:0;border-radius:9px;background:#111510;border:1px solid #343c2e}@media(max-width:700px){.platform-icon{width:32px;height:32px;border-radius:7px}}

.platform-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.detail-link{display:block;margin-top:16px;color:var(--muted);font-size:14px}.breadcrumbs{display:flex;gap:12px;color:var(--muted);font-size:14px;padding:32px 0}.detail-hero{display:grid;grid-template-columns:1.4fr 1fr;gap:80px;padding:20px 0 52px;align-items:center}.detail-icon{width:64px;height:64px;margin-bottom:22px}.detail-hero h1{font-size:48px}.detail-hero h1 span{font-size:26px;letter-spacing:-.5px;line-height:1.6}.invite-panel{background:var(--panel);border:1px solid var(--line);padding:30px;border-radius:14px}.detail-rate{font-size:72px;font-weight:500;letter-spacing:-3px;line-height:1.15}.rate-label{font-size:14px;color:var(--muted);margin-top:6px}.ref-code{display:flex;flex-direction:column;gap:6px;margin:22px 0;padding-top:18px;border-top:1px solid var(--line)}.ref-code span{font-size:12px;color:var(--muted)}.ref-code code{font-size:20px;overflow-wrap:anywhere;user-select:all}.invite-panel .visit{padding:13px 18px;font-size:16px}.detail-body{display:grid;grid-template-columns:1.4fr 1fr;gap:80px;border-top:1px solid var(--line);padding-top:36px}.detail-section{margin-bottom:32px}.detail-section h2,.detail-steps h2,.detail-faq h2,.related h2{font-size:24px;margin-bottom:18px}.detail-section p,.detail-steps p,.detail-question p{color:var(--muted);line-height:1.9}.detail-steps ol{padding-left:25px}.detail-steps li{padding-left:10px;margin:0 0 24px}.detail-steps li::marker{color:var(--lime);font-family:monospace}.detail-steps h3,.detail-question h3{font-size:17px;margin-bottom:10px}.detail-faq{border-top:1px solid var(--line);padding:30px 0}.detail-question{margin:25px 0;max-width:850px}.related{padding:28px 0 50px;border-top:1px solid var(--line)}.related>div{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.related a{display:flex;justify-content:space-between;gap:12px;padding:17px;border:1px solid var(--line);border-radius:8px;font-size:14px}.related a:hover{border-color:var(--lime)}@media(max-width:1000px){.detail-hero,.detail-body{gap:35px}.platform-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:700px){.detail-hero,.detail-body{grid-template-columns:1fr;gap:25px}.detail-hero h1{font-size:38px}.detail-hero h1 span{font-size:23px}.invite-panel{padding:24px}.detail-rate{font-size:60px}.related>div{grid-template-columns:repeat(2,1fr)}.breadcrumbs{padding:24px 0}.detail-body{padding-top:26px}}@media(max-width:390px){.platform-grid,.related>div{grid-template-columns:1fr}}

.card-description{font-size:13px;line-height:1.6;color:var(--muted);min-height:42px}.resource-links{display:flex;flex-wrap:wrap;gap:18px;margin:28px 0 38px}.resource-links a{padding:12px 17px;border:1px solid var(--line);border-radius:8px;color:var(--lime);font-size:14px}.footer-links{display:flex;flex-wrap:wrap;gap:24px;font-size:13px;color:var(--muted);margin:0 0 28px}.url-sample{display:block;overflow-wrap:anywhere;word-break:break-word;font-size:14px;line-height:1.7;background:var(--panel);border:1px solid var(--line);border-radius:7px;padding:14px 16px;margin:16px 0;color:var(--text);user-select:all}.editorial-heading{padding:16px 0 40px;max-width:920px}.editorial-heading h1{font-size:clamp(34px,4.2vw,52px);line-height:1.2}.editorial-heading .lead{max-width:800px;line-height:1.85}.editorial-section{border-top:1px solid var(--line);padding:32px 0}.editorial-section h2{font-size:26px;margin-bottom:20px}.editorial-section p{color:var(--muted);line-height:1.9;max-width:880px;margin:16px 0}.table-scroll{overflow-x:auto;max-width:100%;margin:24px 0}.compare-table{min-width:590px}.compare-table th,.compare-table td{padding:18px 14px;vertical-align:middle}.compare-table tbody th{width:auto;min-width:180px}.compare-table td{white-space:nowrap}.compare-table .visit{white-space:nowrap;min-width:135px}.compare-table caption{text-align:left;caption-side:bottom;color:var(--muted);font-size:12px;padding:16px 0}.compare-table th small{display:block;font-size:12px;color:var(--muted);margin-top:8px;font-weight:400}.platform-cell{display:flex;align-items:center;gap:12px}.formula{border-left:3px solid var(--lime);background:var(--panel);padding:22px;margin:25px 0;font:18px/1.6 monospace}.prose-list{color:var(--muted);padding-left:24px;max-width:880px;line-height:1.9}.prose-list li{padding-left:6px;margin:14px 0}.prose-list a{color:var(--text);text-decoration:underline;text-underline-offset:4px}.numbered-steps h3{color:var(--text);font-size:18px;margin-top:26px}.numbered-steps p{margin-top:8px}.link-formats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.link-format{border:1px solid var(--line);border-radius:10px;padding:22px;min-width:0}.link-format h3{font-size:18px}.link-format h3 a{display:flex;gap:12px;align-items:center}.link-format p{font-size:14px}.language-entry{padding:75px 0 110px}.language-entry h1 span{font-size:28px;letter-spacing:-.5px}.language-entry>p{margin:24px 0}.language-options{display:flex;flex-wrap:wrap;gap:20px;max-width:520px}.language-options .visit{padding:15px 18px}.related a{align-items:center}.related .platform-icon{width:28px;height:28px;border-radius:6px}.related a>span:first-of-type{flex:1}@media(max-width:700px){.editorial-heading h1{font-size:34px;letter-spacing:-1px}.editorial-section h2{font-size:23px}.link-formats{grid-template-columns:1fr}.resource-links{gap:12px}.resource-links a{flex:1;min-width:210px}.breadcrumbs{flex-wrap:wrap}.related a{padding:12px;gap:8px}.related .platform-icon{width:24px;height:24px}.formula{font-size:16px;padding:18px}.language-entry{padding:45px 0 75px}.language-entry h1 span{font-size:24px}}