/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before{box-sizing:border-box;border:0 solid;margin:0;padding:0}::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){-webkit-appearance:button;appearance:button}::file-selector-button{-webkit-appearance:button;appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.collapse{visibility:collapse}.visible{visibility:visible}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.block{display:block}.grid{display:grid}.hidden{display:none}.table{display:table}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.ring{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}:root{--ink:#17222d;--muted:#66727e;--line:#dfe5e9;--soft-line:#edf0f2;--surface:#fff;--canvas:#f5f7f8;--navy:#102b3d;--navy-2:#173d55;--blue:#1d6fa5;--blue-dark:#15577f;--orange:#e36b2c;--green:#18755f;--shadow:0 14px 34px #122b3a14;--radius:12px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:root[data-theme=dark]{--ink:#dce5ea;--muted:#92a1ab;--line:#34434c;--soft-line:#28363e;--surface:#182229;--canvas:#10171c;--navy:#0b1b24;--navy-2:#173646;--blue:#62acd8;--blue-dark:#438db8;--orange:#ef7b3d;--green:#4dbb9c;--shadow:0 16px 38px #00000052;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--canvas);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Noto Sans SC,Microsoft YaHei,PingFang SC,system-ui,sans-serif}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,summary,a{-webkit-tap-highlight-color:transparent}button{color:inherit}img{max-width:100%}.content-shell,.header-inner,.reading-shell,.form-page,.guidelines-page{width:min(1180px,100% - 40px);margin-inline:auto}.site-header{z-index:50;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#fffffff5;border-bottom:1px solid #102b3d1f;height:70px;position:sticky;top:0}.header-inner{align-items:center;gap:34px;height:100%;display:flex}.brand{align-items:center;gap:10px;min-width:220px;display:flex}.brand-mark{background:var(--navy);color:#fff;width:38px;height:38px;box-shadow:inset 0 -3px 0 var(--orange);border-radius:8px;place-items:center;font:800 21px/1 Georgia,serif;display:inline-grid}.brand>span:last-child{flex-direction:column;display:flex}.brand strong{letter-spacing:.06em;font-size:16px}.main-nav{align-items:center;gap:5px;display:flex}.main-nav a{color:#485560;border-bottom:3px solid #0000;padding:23px 13px 20px;font-size:14px}.main-nav a:hover{color:var(--navy);border-color:var(--orange)}.header-actions{align-items:center;gap:8px;margin-left:auto;display:flex}.icon-link,.login-link{color:#50606c;align-items:center;gap:6px;padding:9px 10px;font-size:13px;display:flex}.icon-link:hover,.login-link:hover{color:var(--blue)}.theme-toggle{border:1px solid var(--line);min-height:36px;color:var(--muted);cursor:pointer;background:0 0;border-radius:7px;justify-content:center;align-items:center;gap:6px;padding:0 10px;font-size:12px;transition:border-color .18s,color .18s,background .18s;display:inline-flex}.theme-toggle:hover{border-color:var(--blue);color:var(--blue)}.theme-toggle:focus-visible{outline:3px solid var(--blue)}@supports (color:color-mix(in lab, red, red)){.theme-toggle:focus-visible{outline:3px solid color-mix(in srgb, var(--blue), transparent 65%)}}.theme-toggle:focus-visible{outline-offset:2px}.theme-toggle-icon{width:16px;font-size:17px;line-height:1}.primary-button,.secondary-button,.light-button,.outline-light-button{cursor:pointer;border:1px solid #0000;border-radius:7px;justify-content:center;align-items:center;gap:6px;min-height:42px;padding:0 18px;font-size:14px;font-weight:700;transition:all .18s;display:inline-flex}.primary-button{background:var(--orange);color:#fff;box-shadow:0 5px 15px #e36b2c38}.primary-button:hover{background:#c95722;transform:translateY(-1px)}.primary-button:disabled{opacity:.55;cursor:not-allowed;transform:none}.primary-button.full{width:100%}.primary-button.square{width:42px;padding:0}.secondary-button{border-color:var(--line);background:#fff}.secondary-button:hover{border-color:var(--blue);color:var(--blue)}.header-publish{min-height:38px}.account-menu{position:relative}.account-menu summary{cursor:pointer;align-items:center;gap:7px;padding:5px;font-size:13px;list-style:none;display:flex}.account-menu summary::-webkit-details-marker{display:none}.account-popover{border:1px solid var(--line);width:155px;box-shadow:var(--shadow);background:#fff;border-radius:9px;padding:7px;position:absolute;top:48px;right:0}.account-popover a{border-radius:6px;padding:10px;font-size:13px;display:block}.account-popover a:hover{background:var(--canvas);color:var(--blue)}.hero-shell{background:var(--navy);color:#fff;border-bottom:4px solid var(--orange);position:relative;overflow:hidden}.hero-shell:before,.hero-shell:after{content:"";pointer-events:none;position:absolute}.hero-shell:before{opacity:.14;background-image:linear-gradient(#ffffff21 1px,#0000 1px),linear-gradient(90deg,#ffffff21 1px,#0000 1px);background-size:46px 46px;inset:0;-webkit-mask-image:linear-gradient(90deg,#0000,#000 72%,#000);mask-image:linear-gradient(90deg,#0000,#000 72%,#000)}.hero-shell:after{border:90px solid #ffffff0a;border-radius:50%;width:420px;height:420px;bottom:-240px;right:-120px}.hero-grid{z-index:1;grid-template-columns:1.23fr .77fr;align-items:center;gap:72px;width:min(1180px,100% - 40px);min-height:510px;margin:auto;padding:58px 0 62px;display:grid;position:relative}.eyebrow{color:#b8cbd7;letter-spacing:.13em;align-items:center;gap:9px;font-size:12px;display:flex}.eyebrow i{background:var(--orange);width:22px;height:2px}.hero-copy h1{letter-spacing:-.035em;margin:17px 0 19px;font-size:clamp(38px,4.3vw,60px);font-weight:760;line-height:1.14}.hero-copy h1 span{color:#ff8a4c}.hero-copy>p{color:#c4d2db;max-width:665px;font-size:16px;line-height:1.85}.search-box{border:1px solid var(--line);background:#fff;border-radius:9px;align-items:center;display:flex;overflow:hidden}.search-box>span{color:#71808b;padding-left:16px;font-size:23px}.search-box input{min-width:0;color:var(--ink);background:0 0;border:0;outline:0;flex:1}.search-box button,.search-box kbd{background:var(--blue);color:#fff;cursor:pointer;border:0;border-radius:6px;margin:5px;padding:10px 15px;font-family:inherit;font-size:12px}.hero-search{width:min(620px,100%);height:54px;margin-top:28px;box-shadow:0 12px 24px #00000024}.hero-search input{padding:0 13px;font-size:14px}.hero-trust{color:#9eb3c1;gap:29px;margin-top:22px;font-size:11px;display:flex}.hero-trust span{align-items:baseline;gap:6px;display:flex}.hero-trust strong{color:#fff;font-size:16px}.hero-feature{color:var(--ink);background:#fdfefe;border:1px solid #ffffff29;border-radius:13px;position:relative;overflow:hidden;transform:rotate(1deg);box-shadow:0 22px 45px #0000003d}.feature-label{z-index:3;background:var(--orange);color:#fff;border-radius:0 0 6px 6px;padding:8px 12px;font-size:11px;font-weight:700;position:absolute;top:0;right:18px}.feature-visual{background:#e7eef2;height:190px;position:relative;overflow:hidden}.feature-visual img{object-fit:cover;filter:saturate(.72)contrast(1.04);width:100%;height:100%}.feature-visual:after{content:"";background:#102b3d33;position:absolute;inset:0}.signal-lines{z-index:2;justify-content:center;align-items:center;gap:5px;display:flex;position:absolute;inset:0}.signal-lines i{background:#ffffffd1;border-radius:3px;width:3px;height:18px;display:block}.signal-lines i:nth-child(2),.signal-lines i:nth-child(6){height:42px}.signal-lines i:nth-child(3),.signal-lines i:nth-child(5){height:68px}.signal-lines i:nth-child(4){background:#ff8343;height:104px}.feature-content{padding:22px 24px 24px}.feature-content>a{margin:11px 0 8px;font-size:19px;font-weight:800;line-height:1.42;display:block}.feature-content>a:hover{color:var(--blue)}.feature-content p{color:var(--muted);margin:0;font-size:12px;line-height:1.7}.feature-meta{color:#788590;align-items:center;gap:7px;margin-top:17px;font-size:11px;display:flex}.category-section{padding:60px 0 50px}.section-heading{justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:24px;display:flex}.section-heading h2{letter-spacing:-.02em;margin:4px 0 0;font-size:27px}.section-heading>p{max-width:440px;color:var(--muted);text-align:right;margin:0;font-size:13px;line-height:1.7}.section-kicker{color:var(--orange);letter-spacing:.17em;font-size:10px;font-weight:800}.section-kicker.light{color:#ff9b64}.category-grid{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.category-card{border:1px solid var(--line);background:#fff;border-radius:10px;grid-template-columns:46px 1fr auto;align-items:center;gap:12px;min-height:98px;padding:18px;transition:all .18s;display:grid;position:relative;overflow:hidden}.category-card:before{content:"";background:var(--category-color);width:3px;transition:all .18s;position:absolute;inset:0 auto 0 0;transform:scaleY(0)}.category-card:hover{border-color:var(--category-color);transform:translateY(-2px)}@supports (color:color-mix(in lab, red, red)){.category-card:hover{border-color:color-mix(in srgb, var(--category-color), white 55%)}}.category-card:hover{box-shadow:var(--shadow)}.category-card:hover:before{transform:scaleY(1)}.category-icon{background:var(--category-color);border-radius:8px;place-items:center;width:44px;height:44px;display:grid}@supports (color:color-mix(in lab, red, red)){.category-icon{background:color-mix(in srgb, var(--category-color), white 88%)}}.category-icon{color:var(--category-color);font-size:25px}.category-copy{flex-direction:column;gap:5px;display:flex}.category-copy small{color:var(--muted);font-size:11px;line-height:1.45}.category-count{color:#52616c;flex-direction:column;align-items:flex-end;font-size:16px;font-weight:800;display:flex}.category-count small{color:#98a1a8;font-size:9px;font-weight:400}.category-arrow{color:var(--category-color);opacity:0;transition:all .18s;position:absolute;bottom:7px;right:12px;transform:translate(-7px)}.category-card:hover .category-arrow{opacity:1;transform:none}.forum-layout{grid-template-columns:minmax(0,1fr) 300px;gap:28px;padding-bottom:70px;display:grid}.forum-main>.hero-search{width:100%;height:48px;box-shadow:none;border-color:#cdd6dc;margin:0 0 28px}.forum-main>.hero-search button{background:var(--navy)}.topic-heading{align-items:center;margin-bottom:15px}.segmented{border:1px solid var(--line);background:#fff;border-radius:7px;gap:3px;padding:3px;display:flex}.segmented button{color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:5px;padding:7px 13px;font-size:12px}.segmented button.active{background:var(--navy);color:#fff}.topic-list{border:1px solid var(--line);background:#fff;border-radius:10px;overflow:hidden}.topic-card{border-bottom:1px solid var(--soft-line);color:inherit;cursor:pointer;grid-template-columns:54px 1fr;gap:16px;padding:20px 21px;text-decoration:none;transition:all .15s;display:grid}.topic-card:last-child{border-bottom:0}.topic-card:focus-visible{z-index:1;outline:2px solid var(--blue);outline-offset:-2px;position:relative}.topic-card.compact{padding-block:14px}.topic-vote{color:#9ca6ad;flex-direction:column;align-items:center;gap:1px;padding-top:7px;display:flex}.topic-vote strong{color:#52606a;font-size:13px}.topic-eyebrow{align-items:center;gap:8px;margin-bottom:7px;font-size:10px;font-weight:700;display:flex}.type-badge,.solved-badge{border-radius:4px;align-items:center;padding:4px 7px;font-size:9px;font-weight:800;display:inline-flex}.type-article{color:#1c628e;background:#e8f1f7}.type-question{color:#aa4c1c;background:#fff0e7}.type-case{color:#7c5b15;background:#f6f0df}.type-resource{color:#53626d;background:#edf0f2}.type-announcement{color:#6656a3;background:#f0ebf7}.solved-badge{color:var(--green);background:#e7f5f0}.topic-title{font-size:16px;font-weight:760;line-height:1.45;display:inline-block}.topic-main>p{color:var(--muted);margin:6px 0 11px;font-size:12px;line-height:1.65}.topic-meta-row{color:#89949c;align-items:center;gap:6px;font-size:10px;display:flex}.avatar{width:34px;height:34px;color:var(--navy);background:#dbe6ec;border-radius:50%;flex:none;place-items:center;font-size:12px;font-weight:800;display:inline-grid}.avatar.mini{width:21px;height:21px;font-size:8px}.avatar.small{width:29px;height:29px}.avatar.huge{width:86px;height:86px;font-size:28px}.empty-state,.empty-discussion{color:var(--muted);flex-direction:column;align-items:center;gap:7px;padding:48px 20px;font-size:12px;display:flex}.empty-state strong,.empty-discussion strong{color:var(--ink);font-size:16px}.forum-sidebar{flex-direction:column;gap:15px;display:flex}.sidebar-card{border:1px solid var(--line);background:#fff;border-radius:10px;padding:20px}.sidebar-card h3{margin:0;font-size:15px}.sidebar-card>p{color:var(--muted);font-size:12px;line-height:1.75}.welcome-card{background:var(--navy);color:#fff;border-color:var(--navy)}.welcome-card>p{color:#bccbd4}.sidebar-icon{color:#ff9b64;border:1px solid #ffffff38;border-radius:7px;place-items:center;width:34px;height:34px;margin-bottom:15px;font-size:20px;display:grid}.text-link{color:#b9cad4;text-align:center;margin-top:15px;font-size:11px;display:block}.sidebar-title{justify-content:space-between;align-items:center;margin-bottom:15px;display:flex}.sidebar-title>span{color:#8b969e;font-size:10px}.contributor{border-bottom:1px solid var(--soft-line);grid-template-columns:15px 34px 1fr auto;align-items:center;gap:9px;padding:9px 0;display:grid}.contributor:last-child{border-bottom:0}.rank{color:#9ca6ad;font-size:10px}.contributor>span:nth-child(3){flex-direction:column;gap:3px;display:flex}.contributor strong{font-size:11px}.contributor small{color:#929ca3;font-size:9px}.contributor b{color:var(--orange);font-size:10px}.principle-card ul{margin:0;padding:0;list-style:none}.principle-card li{gap:11px;padding:10px 0;display:flex}.principle-card i{color:var(--orange);font:700 10px/1.5 ui-monospace,monospace}.principle-card li span{color:#7b878f;flex-direction:column;font-size:10px;line-height:1.5;display:flex}.principle-card li strong{color:var(--ink);font-size:11px}.tag-cloud{flex-wrap:wrap;gap:7px;display:flex}.tag-cloud span,.article-tags span{color:#526876;background:#edf2f5;border-radius:4px;padding:6px 8px;font-size:10px}.cta-strip{background:var(--navy);color:#fff;justify-content:space-between;align-items:center;gap:30px;padding:44px max(30px,50% - 590px);display:flex}.cta-strip h2{margin:5px 0 8px;font-size:25px}.cta-strip p{color:#b8cad5;margin:0;font-size:12px}.cta-strip>div:last-child{gap:10px;display:flex}.light-button{color:var(--navy);background:#fff}.light-button:hover{background:#edf3f6;transform:translateY(-1px)}.outline-light-button{color:#fff;border-color:#ffffff5c}.outline-light-button:hover{background:#ffffff14}.site-footer{color:#a9bbc6;background:#0b202e;padding:45px max(30px,50% - 590px) 18px}.footer-grid{grid-template-columns:2fr repeat(3,1fr);gap:50px;display:grid}.footer-grid>div{flex-direction:column;gap:10px;display:flex}.footer-brand{color:#fff;align-items:center;gap:10px;font-weight:800;display:flex}.footer-grid p{max-width:330px;font-size:11px;line-height:1.8}.footer-grid strong{color:#fff;font-size:12px}.footer-grid a{font-size:10px}.footer-grid a:hover{color:#fff}.footer-bottom{border-top:1px solid #ffffff17;justify-content:space-between;margin-top:38px;padding-top:15px;font-size:9px;display:flex}.breadcrumbs{color:var(--text-tertiary);align-items:center;gap:8px;margin-bottom:23px;font-size:11px;display:flex}.breadcrumbs a:hover{color:var(--blue)}.reading-layout{grid-template-columns:minmax(0,1fr) 260px;align-items:start;gap:28px;display:grid}.topic-article{border:1px solid var(--line);background:#fff;border-radius:11px;overflow:hidden}.article-badges{gap:8px;margin-bottom:15px;display:flex}.article-header h1{letter-spacing:-.035em;max-width:820px;margin:0;font-size:clamp(28px,3.2vw,42px);line-height:1.25}.article-deck{color:var(--muted);margin:15px 0 0;font-size:15px;line-height:1.8}.article-byline{align-items:center;gap:10px;margin-top:24px;display:flex}.article-byline>span:nth-child(2){flex-direction:column;gap:2px;display:flex}.article-byline strong{font-size:12px}.byline-stats{margin-left:auto}.article-cover{object-fit:cover;border-radius:8px;width:calc(100% - 90px);max-height:380px;margin:0 45px 32px;display:block}.article-body section{margin:0 0 34px}.article-body h2{margin:0 0 15px;padding-left:14px;font-size:21px;position:relative}.article-body h2:before{content:"";background:var(--orange);border-radius:3px;width:4px;height:21px;position:absolute;top:4px;left:0}.article-body ul{padding-left:22px}.article-body li{margin-bottom:8px;padding-left:3px}.article-body li::marker{color:var(--orange)}.knowledge-link-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:20px 0 6px;display:grid}.knowledge-link-grid a{border:1px solid var(--line);background:var(--surface-soft);min-height:104px;color:var(--ink);border-radius:10px;gap:8px;padding:18px;text-decoration:none;transition:border-color .18s,transform .18s,box-shadow .18s;display:grid}.knowledge-link-grid a:hover{border-color:var(--blue);transform:translateY(-2px);box-shadow:0 8px 20px #15354817}.knowledge-link-grid a:focus-visible{outline:3px solid var(--blue)}@supports (color:color-mix(in lab, red, red)){.knowledge-link-grid a:focus-visible{outline:3px solid color-mix(in srgb, var(--blue) 32%, transparent)}}.knowledge-link-grid a:focus-visible{outline-offset:2px}.knowledge-link-grid strong{justify-content:space-between;gap:12px;font-size:15px;display:flex}.knowledge-link-grid strong span{color:var(--blue)}.knowledge-link-grid small{color:var(--muted);line-height:1.6}.user-authored{white-space:pre-wrap;padding-top:30px}.safety-note{border-left:4px solid var(--orange);background:#fff7f2;margin-top:18px;padding:17px 18px}.safety-note strong{color:#a5481c;font-size:12px}.safety-note p{color:#6e4c3d;margin:5px 0 0;font-size:12px;line-height:1.75}.audio-lab{background:#f3f7f9;border:1px solid #d6e1e7;border-radius:9px;margin:0 45px 35px;overflow:hidden}.audio-lab-title{background:var(--navy);color:#fff;justify-content:space-between;align-items:center;padding:13px 16px;display:flex}.audio-lab-title span{font-size:12px;font-weight:700}.audio-lab-title small{color:#b9cbd5;font-size:9px}.audio-grid{background:#dce5ea;grid-template-columns:1fr 1fr;gap:1px;display:grid}.audio-item{background:#fff;flex-direction:column;gap:10px;padding:14px;display:flex}.audio-item strong{font-size:11px}.audio-item audio{width:100%;height:34px}.article-tags{flex-wrap:wrap;gap:7px;padding:0 45px 25px;display:flex}.topic-actions{border-top:1px solid var(--soft-line);background:#fafbfb;gap:8px;padding:17px 45px;display:flex}.topic-actions button{border:1px solid var(--line);cursor:pointer;color:#5d6a74;background:#fff;border-radius:6px;padding:8px 12px;font-size:11px}.topic-actions button:hover,.topic-actions button.active{border-color:var(--blue);color:var(--blue)}.topic-actions strong{margin-left:3px}.reading-sidebar{flex-direction:column;gap:14px;display:flex;position:sticky;top:94px}.toc-card{border:1px solid var(--line);background:#fff;border-radius:10px;flex-direction:column;gap:2px;padding:18px;display:flex}.toc-card>strong{margin-bottom:10px;font-size:12px}.toc-card>span{color:var(--text-secondary);gap:8px;padding:7px 0;font-size:10px;line-height:1.45;display:flex}.toc-card i{color:var(--orange);font-family:ui-monospace,monospace;font-style:normal}.related-link{border-bottom:1px solid var(--soft-line);flex-direction:column;gap:5px;padding:12px 0;display:flex}.related-link:last-child{border-bottom:0}.related-link>span{color:var(--orange);font-size:8px;font-weight:800}.related-link strong{font-size:11px;line-height:1.5}.related-link small{color:var(--text-tertiary);font-size:9px}.comments-section{margin-top:24px}.comments-heading{justify-content:space-between;align-items:flex-end;margin-bottom:14px;display:flex}.comments-heading h2{margin:3px 0 0;font-size:22px}.comments-heading>span{color:var(--text-tertiary);font-size:10px}.comment-list{flex-direction:column;gap:10px;display:flex}.comment{border:1px solid var(--line);background:#fff;border-radius:9px;padding:22px 24px 15px;position:relative;overflow:hidden}.comment.best-answer{box-shadow:inset 4px 0 var(--green);border-color:#8ac7b3}.best-ribbon{background:var(--green);color:#fff;border-radius:0 0 0 7px;padding:7px 12px;font-size:9px;font-weight:800;position:absolute;top:0;right:0}.comment-author{align-items:center;gap:9px;display:flex}.comment-author>span:nth-child(2){flex-direction:column;display:flex}.comment-author strong{font-size:11px}.comment-author small,.comment-author time{color:var(--text-tertiary);font-size:9px}.comment-author time{margin-left:auto}.comment>p{color:var(--text-body);white-space:pre-wrap;margin:16px 0 19px;font-size:13px;line-height:1.85}.comment-footer{border-top:1px solid var(--soft-line);color:var(--text-tertiary);gap:16px;padding-top:11px;font-size:9px;display:flex}.comment-footer button{color:var(--green);cursor:pointer;background:0 0;border:0;margin-left:auto;font-size:9px}.reply-box{border:1px solid var(--line);background:#fff;border-radius:10px;margin-top:14px;padding:22px}.reply-heading{align-items:center;gap:9px;display:flex}.reply-heading>span:last-child{flex-direction:column;display:flex}.reply-heading strong{font-size:12px}.reply-heading small{color:var(--text-tertiary);font-size:9px}.reply-box textarea{resize:vertical;border:1px solid #ccd6dc;border-radius:7px;outline:0;width:100%;min-height:130px;margin-top:16px;padding:14px;font-size:13px;line-height:1.7}.reply-box textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px #1d6fa517}.reply-footer{justify-content:space-between;align-items:center;gap:15px;margin-top:12px;display:flex}.reply-footer>span{color:var(--text-tertiary);font-size:9px}.page-state{min-height:420px;color:var(--muted);flex-direction:column;justify-content:center;align-items:center;gap:12px;display:flex}.page-state strong{color:var(--ink);font-size:20px}.page-state a{color:var(--blue)}.category-page{min-height:70vh}.category-hero{background:var(--navy);color:#fff;border-bottom:4px solid var(--category-color)}.light-crumbs{color:#b9c8d2}.category-hero-content{grid-template-columns:68px 1fr auto;align-items:center;gap:20px;display:grid}.category-hero-icon{width:66px;height:66px;color:var(--category-color);border:1px solid #ffffff3b;border-radius:11px;place-items:center;display:grid}@supports (color:color-mix(in lab, red, red)){.category-hero-icon{color:color-mix(in srgb, var(--category-color), white 35%)}}.category-hero-icon{font-size:34px}.category-hero p{color:#bccbd4;margin:0;font-size:13px}.category-body{grid-template-columns:minmax(0,1fr) 270px;gap:27px;padding:45px 0 70px;display:grid}.result-count{color:var(--text-tertiary);font-size:11px}.category-side{flex-direction:column;gap:14px;display:flex}.form-page{min-height:70vh;padding:52px 0 75px}.form-page.wide{width:min(980px,100% - 40px)}.form-page-heading{margin-bottom:24px}.form-page-heading h1,.profile-form h1{margin:5px 0 6px;font-size:34px}.form-page-heading p,.profile-form>div p{color:var(--muted);margin:0;font-size:13px}.editor-card{border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;border-radius:11px;padding:30px;position:relative;overflow:hidden}.editor-progress{background:#eef1f3;height:3px;position:absolute;inset:0 0 auto}.editor-progress span{background:var(--orange);height:100%;transition:width .2s;display:block}.editor-row{flex-direction:column;gap:8px;margin-bottom:22px;display:flex;position:relative}.editor-row.split{grid-template-columns:1fr 1fr;gap:16px;display:grid}.editor-row.split label{flex-direction:column;gap:8px;display:flex}.editor-row>span,.editor-row label>span,.profile-form label{font-size:12px;font-weight:700}.editor-row input,.editor-row select,.editor-row textarea,.profile-form input,.profile-form textarea,.compose-modal input,.compose-modal textarea{width:100%;color:var(--ink);background:#fff;border:1px solid #cbd5db;border-radius:7px;outline:0;padding:12px 13px;font-size:13px}.editor-row textarea{resize:vertical;min-height:330px;line-height:1.8}.editor-row input:focus,.editor-row textarea:focus,.editor-row select:focus,.profile-form input:focus,.profile-form textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px #1d6fa517}.editor-row>small{color:#98a2a9;font-size:9px;position:absolute;top:43px;right:10px}.editor-row:has(textarea)>small{top:auto;bottom:10px}.editor-note{color:var(--muted);background:#f2f6f8;border-radius:7px;gap:14px;padding:14px;font-size:10px;display:flex}.editor-note strong{color:var(--navy)}.editor-actions{justify-content:flex-end;gap:9px;margin-top:22px;display:flex}.form-error{color:#b54226;font-size:11px}.form-success{color:var(--green);font-size:11px}.profile-layout{grid-template-columns:280px 1fr;gap:25px;display:grid}.profile-summary,.profile-form{border:1px solid var(--line);background:#fff;border-radius:11px}.profile-summary{flex-direction:column;align-items:center;padding:35px 20px;display:flex}.profile-summary h2{margin:14px 0 3px}.profile-summary>p{color:var(--muted);margin:0;font-size:10px}.member-badge{color:var(--blue);background:#e7f1f6;border-radius:12px;margin-top:14px;padding:5px 10px;font-size:9px;font-weight:700}.profile-stats{border-top:1px solid var(--line);grid-template-columns:repeat(3,1fr);width:100%;margin-top:30px;display:grid}.profile-stats span{color:var(--muted);flex-direction:column;align-items:center;gap:3px;padding-top:20px;font-size:9px;display:flex}.profile-stats strong{color:var(--ink);font-size:17px}.profile-form{padding:34px}.profile-form label{flex-direction:column;gap:8px;margin-top:22px;display:flex}.profile-form textarea{resize:vertical;min-height:110px}.profile-form small{color:var(--muted);font-size:9px;font-weight:400}.profile-form .primary-button{margin-top:22px}.messages-page{width:min(1100px,100% - 40px);min-height:calc(100vh - 150px);margin:30px auto 50px}.messages-app{border:1px solid var(--line);height:680px;box-shadow:var(--shadow);background:#fff;border-radius:11px;grid-template-columns:350px 1fr;display:grid;overflow:hidden}.conversation-list{border-right:1px solid var(--line);overflow-y:auto}.conversation-toolbar{z-index:2;border-bottom:1px solid var(--line);background:#fff;justify-content:space-between;align-items:center;padding:20px;display:flex;position:sticky;top:0}.conversation-toolbar h1{margin:3px 0 0;font-size:25px}.conversation-item{border:0;border-bottom:1px solid var(--soft-line);text-align:left;cursor:pointer;background:#fff;grid-template-columns:38px 1fr;gap:10px;width:100%;padding:16px;display:grid;position:relative}.conversation-item:hover,.conversation-item.active{background:#f1f6f8}.conversation-item.active:before{content:"";background:var(--orange);left:0;width:3px;position:absolute;inset-block:0}.conversation-item>span:nth-child(2){flex-direction:column;gap:3px;min-width:0;display:flex}.conversation-item strong{font-size:11px}.conversation-item b{font-size:10px}.conversation-item small{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;font-size:9px;overflow:hidden}.conversation-item time{color:#98a1a8;font-size:8px;position:absolute;top:17px;right:13px}.empty-conversations{color:var(--muted);text-align:center;padding:60px 20px;font-size:11px;line-height:1.8}.empty-conversations button{color:var(--blue);cursor:pointer;background:0 0;border:0}.message-panel{flex-direction:column;min-width:0;display:flex}.message-panel>header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;min-height:76px;padding:0 22px;display:flex}.message-panel>header div{flex-direction:column;gap:3px;display:flex}.message-panel>header strong{font-size:14px}.message-panel>header span{color:var(--muted);font-size:9px}.message-stream{background:#f7f9fa;flex-direction:column;flex:1;gap:14px;padding:22px;display:flex;overflow-y:auto}.message-bubble{border:1px solid var(--line);background:#fff;border-radius:5px 13px 13px;align-self:flex-start;max-width:76%;padding:12px 14px}.message-bubble.mine{border-color:var(--navy);background:var(--navy);color:#fff;border-radius:13px 5px 13px 13px;align-self:flex-end}.message-bubble strong{font-size:9px}.message-bubble p{white-space:pre-wrap;margin:5px 0;font-size:12px;line-height:1.65}.message-bubble time{color:#93a0a8;font-size:8px}.message-reply{border-top:1px solid var(--line);gap:10px;padding:14px;display:flex}.message-reply textarea{resize:none;border:1px solid #ccd5da;border-radius:7px;outline:0;flex:1;min-height:55px;padding:10px;font-size:12px}.message-placeholder{color:var(--muted);flex-direction:column;flex:1;justify-content:center;align-items:center;display:flex}.message-placeholder>span{color:#b7c4cc;font-size:38px}.message-placeholder strong{color:var(--ink);margin-top:10px}.message-placeholder p{font-size:10px}.modal-backdrop{z-index:100;background:#081b278f;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.compose-modal{background:#fff;border-radius:11px;width:min(510px,100%);padding:25px;box-shadow:0 25px 60px #00000040}.modal-title{justify-content:space-between;display:flex}.modal-title h2{margin:3px 0 15px}.modal-title button{cursor:pointer;background:0 0;border:0;font-size:26px}.compose-modal label{flex-direction:column;gap:6px;margin-bottom:14px;font-size:11px;font-weight:700;display:flex}.compose-modal textarea{resize:vertical;min-height:120px}.guidelines-page{padding:50px 0 80px}.guidelines-hero{background:var(--navy);color:#fff;border-radius:12px;margin-bottom:25px;padding:42px}.guidelines-hero h1{margin:6px 0 10px;font-size:37px}.guidelines-hero p{color:#bfd0d9;max-width:650px;margin:0;line-height:1.8}.guideline-grid{grid-template-columns:repeat(3,1fr);gap:13px;display:grid}.guideline-grid article{border:1px solid var(--line);background:#fff;border-radius:10px;padding:25px}.guideline-grid article>span{color:var(--orange);font:800 11px ui-monospace,monospace}.guideline-grid h2{margin:13px 0 8px;font-size:17px}.guideline-grid p{color:var(--muted);margin:0;font-size:12px;line-height:1.8}.guidelines-cta{border:1px solid var(--line);background:#fff;border-radius:10px;justify-content:space-between;align-items:center;gap:20px;margin-top:20px;padding:23px 26px;display:flex}.guidelines-cta>div{flex-direction:column;gap:4px;display:flex}.guidelines-cta strong{font-size:14px}.guidelines-cta span{color:var(--muted);font-size:10px}.login-page{background:linear-gradient(145deg,#eef3f5,#f9faf9 45%,#edf3f5);min-height:100vh;padding:42px 20px 70px}.login-back{width:min(430px,100%);color:var(--muted);margin:0 auto 18px;font-size:12px;display:block}.login-card{border:1px solid var(--line);background:#fff;border-radius:14px;width:min(430px,100%);margin:0 auto;padding:34px;box-shadow:0 24px 70px #0825341c}.login-heading{text-align:center}.login-heading .brand-mark{margin:0 auto 17px}.login-heading h1{margin:8px 0;font-size:28px}.login-heading p{color:var(--muted);margin:0 0 25px;font-size:12px}.login-card label{flex-direction:column;gap:7px;margin-bottom:16px;font-size:12px;font-weight:700;display:flex}.login-card input{border:1px solid var(--line);height:44px;font:inherit;border-radius:7px;padding:0 13px}.guest-divider{color:var(--muted);align-items:center;gap:12px;margin:18px 0;font-size:10px;display:flex}.guest-divider:before,.guest-divider:after{content:"";background:var(--line);flex:1;height:1px}.guest-entry{justify-content:center;display:flex}.wechat-button{color:#fff;cursor:pointer;background:#21a366;border:1px solid #21a366;border-radius:7px;justify-content:center;align-items:center;gap:8px;min-height:42px;margin-top:11px;font-size:13px;font-weight:700;display:flex}.wechat-button:disabled{border-color:var(--line);color:var(--muted);cursor:not-allowed;background:0 0}.login-note{color:var(--muted);text-align:center;margin:17px 0 0;font-size:10px;line-height:1.7}.account-popover form,.account-popover button{width:100%}.account-popover button{color:inherit;font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;padding:0}.admin-page{padding-block:48px 75px}.admin-heading{justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:24px;display:flex}.admin-heading h1{margin:6px 0;font-size:31px}.admin-heading p{color:var(--muted);margin:0;font-size:12px}.admin-grid{grid-template-columns:1.1fr .9fr;gap:18px;display:grid}.admin-panel{border:1px solid var(--line);background:var(--surface);border-radius:11px;overflow:hidden}.admin-panel>h2{border-bottom:1px solid var(--line);margin:0;padding:18px 20px;font-size:15px}.admin-panel>h2 small{color:var(--muted);font-weight:500}.admin-row{border-bottom:1px solid var(--soft-line);justify-content:space-between;align-items:center;gap:16px;padding:15px 18px;display:flex}.admin-row:last-child{border-bottom:0}.admin-row>div:first-child{flex-direction:column;gap:4px;min-width:0;display:flex}.admin-row span,.admin-row small{color:var(--muted);font-size:9px}.admin-row strong{text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.admin-row>div:last-child{gap:9px;display:flex}.admin-row a,.admin-row button{color:var(--blue);cursor:pointer;white-space:nowrap;background:0 0;border:0;padding:0;font-size:10px}.admin-row .danger-link{color:#c64e43}.admin-empty{color:var(--muted);padding:28px 20px;font-size:11px}.admin-editor{max-height:calc(100vh - 40px);overflow-y:auto}.admin-editor label{flex-direction:column;gap:6px;margin-bottom:13px;font-size:11px;font-weight:700;display:flex}.admin-editor input,.admin-editor textarea,.admin-editor select{border:1px solid var(--line);background:var(--canvas);width:100%;color:var(--ink);border-radius:6px;padding:10px}.admin-editor textarea{resize:vertical;min-height:210px}.admin-checks{gap:18px;margin:8px 0 17px;display:flex}.admin-checks label{flex-direction:row;align-items:center;font-weight:500}.admin-checks input{width:auto}:root[data-theme=dark] .site-header{background:#121b21f5;border-bottom-color:#76919f38}:root[data-theme=dark] .brand small,:root[data-theme=dark] .main-nav a,:root[data-theme=dark] .icon-link,:root[data-theme=dark] .login-link{color:var(--muted)}:root[data-theme=dark] .main-nav a:hover{color:var(--ink)}:root[data-theme=dark] .secondary-button,:root[data-theme=dark] .account-popover,:root[data-theme=dark] .search-box,:root[data-theme=dark] .hero-feature,:root[data-theme=dark] .category-card,:root[data-theme=dark] .segmented,:root[data-theme=dark] .topic-list,:root[data-theme=dark] .sidebar-card:not(.welcome-card),:root[data-theme=dark] .light-button,:root[data-theme=dark] .topic-article,:root[data-theme=dark] .audio-item,:root[data-theme=dark] .topic-actions button,:root[data-theme=dark] .toc-card,:root[data-theme=dark] .comment,:root[data-theme=dark] .reply-box,:root[data-theme=dark] .editor-card,:root[data-theme=dark] .profile-summary,:root[data-theme=dark] .profile-form,:root[data-theme=dark] .messages-app,:root[data-theme=dark] .conversation-toolbar,:root[data-theme=dark] .conversation-item,:root[data-theme=dark] .message-bubble,:root[data-theme=dark] .compose-modal,:root[data-theme=dark] .guideline-grid article,:root[data-theme=dark] .guidelines-cta,:root[data-theme=dark] .login-card{background:var(--surface)}:root[data-theme=dark] .light-button{color:var(--ink)}:root[data-theme=dark] .light-button:hover,:root[data-theme=dark] .account-popover a:hover,:root[data-theme=dark] .topic-card:hover,:root[data-theme=dark] .conversation-item:hover,:root[data-theme=dark] .conversation-item.active{background:#202d35}:root[data-theme=dark] .feature-visual,:root[data-theme=dark] .audio-lab,:root[data-theme=dark] .editor-note,:root[data-theme=dark] .message-stream{background:#121c22}:root[data-theme=dark] .audio-grid{background:var(--line)}:root[data-theme=dark] .topic-actions{background:#141e24}:root[data-theme=dark] .safety-note{background:#2b211c}:root[data-theme=dark] .editor-progress{background:var(--soft-line)}:root[data-theme=dark] .editor-row input,:root[data-theme=dark] .editor-row textarea,:root[data-theme=dark] .editor-row select,:root[data-theme=dark] .profile-form input,:root[data-theme=dark] .profile-form textarea,:root[data-theme=dark] .compose-modal input,:root[data-theme=dark] .compose-modal textarea,:root[data-theme=dark] .login-card input{border-color:var(--line);color:var(--ink);background:#111a20}:root[data-theme=dark] .category-icon{background:var(--category-color)}@supports (color:color-mix(in lab, red, red)){:root[data-theme=dark] .category-icon{background:color-mix(in srgb, var(--category-color), var(--surface) 82%)}}:root[data-theme=dark] .avatar{color:#dce9ef;background:#2b3d47}:root[data-theme=dark] .tag-cloud span,:root[data-theme=dark] .article-tags span{color:#b4c4cd;background:#25343d}:root[data-theme=dark] .type-article{color:#84c2e8;background:#183247}:root[data-theme=dark] .type-question{color:#f1a573;background:#3b281d}:root[data-theme=dark] .type-case{color:#d9bd68;background:#352f1d}:root[data-theme=dark] .type-resource{color:#b4c3cb;background:#29363e}:root[data-theme=dark] .type-announcement{color:#b8a8e8;background:#302a43}:root[data-theme=dark] .solved-badge{background:#17382f}:root[data-theme=dark] .member-badge{background:#1d3441}:root[data-theme=dark] .login-page{background:radial-gradient(circle at 50% 0,#1b2b34,#0d1418 58%)}:root[data-theme=dark] .category-count,:root[data-theme=dark] .topic-vote strong,:root[data-theme=dark] .topic-actions button{color:#aebcc4}:root[data-theme=dark] ::selection{color:#fff;background:#ef7b3d52}@media (max-width:980px){.main-nav{display:none}.hero-grid{grid-template-columns:1fr;gap:35px}.hero-feature{width:min(560px,100%);transform:none}.category-grid{grid-template-columns:1fr 1fr}.forum-layout,.reading-layout,.category-body{grid-template-columns:1fr}.forum-sidebar{grid-template-columns:repeat(2,1fr);display:grid}.reading-sidebar{grid-template-columns:1fr 1fr;display:grid;position:static}.category-side{grid-template-columns:1fr 1fr;display:grid}.guideline-grid{grid-template-columns:1fr 1fr}.messages-app{grid-template-columns:300px 1fr}}@media (max-width:700px){.content-shell,.header-inner,.reading-shell,.form-page,.guidelines-page{width:min(100% - 26px,1180px)}.site-header{height:62px}.header-inner{gap:10px}.brand{min-width:0}.brand>span:last-child{display:none}.brand-mark{width:34px;height:34px}.desktop-only,.header-publish span{display:none}.header-publish{padding-inline:12px}.icon-link,.login-link{padding-inline:6px;font-size:11px}.hero-grid{width:calc(100% - 28px);padding:43px 0}.hero-copy h1{font-size:37px}.hero-copy>p{font-size:14px}.hero-trust{flex-wrap:wrap;gap:12px 22px}.feature-visual{height:160px}.category-section{padding-top:42px}.section-heading{flex-direction:column;align-items:flex-start;gap:12px}.section-heading>p{text-align:left}.category-grid,.forum-sidebar,.reading-sidebar,.category-side,.guideline-grid{grid-template-columns:1fr}.category-card{min-height:88px}.topic-heading{flex-direction:row;align-items:center}.topic-heading h2{font-size:22px}.segmented button{padding:6px 8px}.topic-card{grid-template-columns:38px 1fr;gap:9px;padding:17px 13px}.topic-main>p{-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.topic-meta-row{flex-wrap:wrap}.topic-stats{width:100%;margin-left:27px}.cta-strip{flex-direction:column;align-items:flex-start;padding:36px 20px}.cta-strip>div:last-child{flex-direction:column;width:100%}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}.article-header,.article-body{padding-left:20px;padding-right:20px}.knowledge-link-grid{grid-template-columns:1fr}.article-header h1{font-size:28px}.article-cover{width:calc(100% - 40px);margin-inline:20px}.audio-lab{margin-inline:20px}.audio-grid{grid-template-columns:1fr}.article-tags,.topic-actions{padding-left:20px;padding-right:20px}.byline-stats{width:100%;margin:9px 0 0 44px}.article-byline{flex-wrap:wrap}.comment{padding-inline:17px}.comment-author time{display:none}.reply-footer{flex-direction:column;align-items:flex-start}.reply-footer .primary-button{width:100%}.category-hero-content{grid-template-columns:53px 1fr}.category-hero-icon{width:52px;height:52px}.category-hero-content .light-button{grid-column:1/-1}.editor-card{padding:21px 17px}.editor-row.split{grid-template-columns:1fr}.editor-row textarea{min-height:260px}.profile-layout{grid-template-columns:1fr}.profile-form{padding:24px 18px}.messages-page{width:calc(100% - 20px);margin-top:14px}.messages-app{grid-template-columns:1fr;height:auto;min-height:660px}.conversation-list{border-right:0;border-bottom:1px solid var(--line);max-height:280px}.message-panel{min-height:420px}.guidelines-hero{padding:28px 23px}.guidelines-hero h1{font-size:29px}.guidelines-cta{flex-direction:column;align-items:flex-start}.login-page{padding:25px 13px 45px}.login-card{padding:27px 20px}.admin-heading{flex-direction:column;align-items:flex-start}.admin-grid{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important}}:root{--header-height:52px;--sidebar-width:220px;--ink:#20242a;--text-body:#303840;--text-secondary:#505b66;--text-tertiary:#66717c;--muted:var(--text-secondary);--line:#d9dde3;--soft-line:#eceff2;--surface:#fff;--canvas:#f7f8fa;--navy:#1f2328;--navy-2:#2b3138;--blue:#2f78c4;--blue-dark:#1e64aa;--orange:#e4572e;--green:#16845b;--shadow:0 8px 24px #19202814;--radius:6px}:root[data-theme=dark]{--ink:#f1f3f5;--text-body:#e1e5e9;--text-secondary:#c4cbd2;--text-tertiary:#aeb7c0;--muted:var(--text-secondary);--line:#3a4149;--soft-line:#2e343b;--surface:#20252b;--canvas:#171b20;--navy:#111419;--navy-2:#222830;--blue:#6ba9e6;--blue-dark:#8cbced;--orange:#f07852;--green:#55c79a;--dark-atmosphere-top:#352650;--dark-atmosphere-mid:#20172f;--dark-atmosphere-bottom:#0d1014;--shadow:0 10px 30px #0000004d}html{scrollbar-gutter:stable;scroll-padding-top:calc(var(--header-height) + 12px);scroll-behavior:auto;overflow-y:scroll}body{min-width:320px;min-height:100vh;padding-top:var(--header-height);background:var(--canvas);text-rendering:optimizelegibility;font-family:Arial,PingFang SC,Microsoft YaHei,system-ui,sans-serif;font-size:15px;line-height:1.45}:root[data-theme=dark] body{background-color:var(--dark-atmosphere-bottom);background-image:radial-gradient(circle at 19% 17%, #825cc033 0, #825cc014 4.5rem, transparent 11rem), radial-gradient(circle at 95% 24%, #2a9cb229 0, #2a9cb20f 4rem, transparent 10rem), radial-gradient(circle at 78% 56%, #4876d21c 0, transparent 12rem), linear-gradient(180deg, var(--dark-atmosphere-top) 0, var(--dark-atmosphere-mid) 30rem, #14111b 43rem, var(--dark-atmosphere-bottom) 62rem);background-repeat:no-repeat;background-attachment:fixed}main{min-height:calc(100vh - var(--header-height));margin-left:var(--sidebar-width)}.site-footer{margin-left:var(--sidebar-width)}.content-shell,.reading-shell,.form-page,.guidelines-page,.messages-page{width:min(1080px,100% - 40px)}main.content-shell,main.reading-shell,main.form-page,main.guidelines-page,main.messages-page{width:min(1080px, calc(100% - var(--sidebar-width) - 40px));margin-right:0;margin-left:calc(var(--sidebar-width) + max(20px, (100vw - var(--sidebar-width) - 1080px) / 2))}.site-header{z-index:100;height:var(--header-height);color:#f7f8fa;-webkit-backdrop-filter:none;backdrop-filter:none;background:#1f2328;border-bottom:1px solid #363c44;position:fixed;inset:0 0 auto}.header-inner{gap:18px;width:100%;height:100%;margin:0;padding:0 14px}.brand{width:calc(var(--sidebar-width) - 14px);min-width:calc(var(--sidebar-width) - 14px);color:#fff;gap:9px}.brand-mark{color:#fff;background:#0f6f9f;border-radius:5px;width:31px;height:31px;font-size:17px;box-shadow:inset 0 -2px #f07852}.brand strong{color:#fff;letter-spacing:.02em;font-size:14px}.brand small{color:#b9c0c8;letter-spacing:.06em;margin-top:0;font-size:9px}.main-nav{display:none}.header-search{color:#d5dae0;background:#2a3037;border:1px solid #454c55;border-radius:5px;align-items:center;gap:9px;width:min(420px,38vw);height:34px;padding:0 12px;font-size:12px;display:flex}:is(.header-search:hover,.header-search:focus-visible){color:#fff;background:#313840;border-color:#77818c}.header-search>span:first-child{font-size:19px;line-height:1}.header-actions{gap:5px}.header-actions .theme-toggle,.header-actions .icon-link,.header-actions .login-link,.account-menu summary{color:#eef1f4}.theme-toggle{color:#eef1f4;background:0 0;border-color:#0000;border-radius:4px;height:32px;min-height:32px;padding:0 8px}.theme-toggle:hover,.icon-link:hover,.login-link:hover{color:#fff;background:#343b43;border-color:#0000}.theme-toggle-icon{font-size:15px}.icon-link,.login-link{color:#eef1f4;border-radius:4px;min-height:32px;padding:0 9px}.header-publish{height:32px;min-height:32px;box-shadow:none;background:#2f78c4;border-radius:4px;padding:0 12px;font-size:12px}.header-publish:hover{background:#3e87d2;transform:none}.account-popover{background:var(--surface);color:var(--ink);border-radius:5px;top:40px}.mobile-sidebar-menu{display:none}.forum-sidebar-nav{z-index:70;inset:var(--header-height) auto 0 0;width:var(--sidebar-width);border-right:1px solid var(--line);background:var(--surface);overscroll-behavior:contain;flex-direction:column;justify-content:space-between;padding:12px 9px 10px;display:flex;position:fixed;overflow-y:auto}.forum-sidebar-nav nav{flex-direction:column;gap:12px;display:flex}.sidebar-nav-section{flex-direction:column;gap:2px;display:flex}.sidebar-nav-title{color:var(--muted);letter-spacing:.07em;text-transform:uppercase;padding:7px 10px 5px;font-size:10px;font-weight:700}.sidebar-nav-section a{min-height:34px;color:var(--ink);border-radius:5px;grid-template-columns:22px minmax(0,1fr) auto;align-items:center;padding:5px 9px;font-size:13px;display:grid}:is(.sidebar-nav-section a:hover,.sidebar-nav-section a:focus-visible){background:var(--blue)}@supports (color:color-mix(in lab, red, red)){:is(.sidebar-nav-section a:hover,.sidebar-nav-section a:focus-visible){background:color-mix(in srgb, var(--blue), transparent 88%)}}:is(.sidebar-nav-section a:hover,.sidebar-nav-section a:focus-visible){color:var(--blue)}.sidebar-nav-section a>span[aria-hidden=true]{color:var(--muted);text-align:center;font-size:15px}.sidebar-nav-section a i{border-radius:50%;width:8px;height:8px;margin-left:6px}.sidebar-nav-section a small{color:var(--muted);font-size:10px}.sidebar-nav-secondary{border-top:1px solid var(--soft-line);padding-top:3px}.sidebar-nav-footer{border-top:1px solid var(--soft-line);flex-direction:column;gap:3px;padding:10px;display:flex}.sidebar-nav-footer strong{font-size:11px}.sidebar-nav-footer span{color:var(--muted);font-size:9px}.discourse-home{padding:0 0 60px}.home-welcome{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:30px;width:min(1080px,100% - 40px);margin:0 auto;padding:28px 0 22px;display:flex}.home-kicker{color:var(--blue);letter-spacing:.08em;font-size:10px;font-weight:700}.home-welcome h1{color:var(--ink);letter-spacing:-.015em;margin:4px 0 6px;font-size:24px;line-height:1.25}.home-welcome p{max-width:640px;color:var(--muted);margin:0;font-size:12px}.home-summary{border:1px solid var(--line);background:var(--surface);border-radius:5px;align-items:center;gap:1px;display:flex;overflow:hidden}.home-summary span{border-right:1px solid var(--line);min-width:76px;color:var(--muted);text-align:center;flex-direction:column;padding:9px 12px;font-size:9px;display:flex}.home-summary span:last-child{border-right:0}.home-summary strong{color:var(--ink);font-size:16px}.home-topic-toolbar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;width:min(1080px,100% - 40px);min-height:57px;margin:0 auto;display:flex}.home-topic-toolbar nav{align-self:stretch;gap:5px;display:flex}.home-topic-toolbar nav a{color:var(--muted);border-bottom:3px solid #0000;align-items:center;padding:0 12px;font-size:13px;display:flex}.home-topic-toolbar nav a:hover,.home-topic-toolbar nav a.active{border-color:var(--blue);color:var(--ink)}.home-topic-toolbar>.primary-button{background:var(--blue);height:34px;min-height:34px;box-shadow:none;border-radius:4px;font-size:12px}.discourse-home .forum-layout{grid-template-columns:minmax(0,1fr) 250px;gap:26px;padding-top:22px;padding-bottom:0}.category-directory{margin-bottom:26px}.directory-heading{border-bottom:2px solid var(--ink);justify-content:space-between;align-items:flex-end;padding-bottom:10px;display:flex}.directory-heading h2{margin:0;font-size:17px}.directory-heading p{color:var(--muted);margin:3px 0 0;font-size:10px}.directory-heading>a{color:var(--blue);font-size:10px}.category-grid{grid-template-columns:1fr 1fr;gap:0 18px}.category-card{border:0;border-bottom:1px solid var(--line);min-height:72px;box-shadow:none;background:0 0;border-radius:0;grid-template-columns:34px minmax(0,1fr) auto;padding:12px 4px}.category-card:before,.category-arrow{display:none}.category-card:hover{border-color:var(--line);background:var(--blue)}@supports (color:color-mix(in lab, red, red)){.category-card:hover{background:color-mix(in srgb, var(--blue), transparent 94%)}}.category-card:hover{box-shadow:none;transform:none}.category-icon{border-radius:4px;width:30px;height:30px;font-size:17px}.category-copy{gap:2px}.category-copy strong{font-size:13px}.category-copy small{text-overflow:ellipsis;white-space:nowrap;font-size:9px;overflow:hidden}.category-count{padding-right:6px;font-size:13px}.forum-main>.hero-search{width:100%;height:40px;box-shadow:none;border-radius:4px;margin:0 0 18px}.forum-main>.hero-search input{font-size:12px}.forum-main>.hero-search kbd{background:var(--blue)}.topic-heading{border-bottom:2px solid var(--ink);min-height:40px;margin:0;padding:0 0 8px}.topic-heading .section-kicker{display:none}.topic-heading h2{margin:0;font-size:17px}.segmented{background:var(--soft-line);border:0;border-radius:4px}.segmented button{border-radius:3px;padding:6px 10px;font-size:10px}.segmented button.active{background:var(--surface);color:var(--ink);box-shadow:0 1px 3px #0000001f}.topic-list{background:0 0;border:0;border-radius:0;min-height:360px;overflow:visible}.topic-card{border-bottom:1px solid var(--line);background:0 0;grid-template-columns:44px minmax(0,1fr);gap:12px;min-height:91px;padding:14px 6px}.topic-card:hover{background:var(--blue)}@supports (color:color-mix(in lab, red, red)){.topic-card:hover{background:color-mix(in srgb, var(--blue), transparent 95%)}}.topic-vote{color:var(--muted);padding-top:2px}.topic-vote span{font-size:9px}.topic-vote strong{font-size:12px}.topic-eyebrow{margin-bottom:3px;font-size:9px}.type-badge,.solved-badge{border-radius:3px;font-size:8px}.topic-title{font-size:14px;line-height:1.35}.topic-title:hover{color:var(--blue)}.topic-main>p{margin:4px 0 6px;font-size:10px;line-height:1.5}.topic-meta-row{color:var(--muted);font-size:9px}.topic-stats{margin-left:auto}.forum-sidebar{gap:12px}.sidebar-card{border:1px solid var(--line);background:var(--surface);box-shadow:none;border-radius:5px;padding:16px}.sidebar-title{margin-bottom:9px}.sidebar-title h3{font-size:12px}.sidebar-title span{font-size:8px}.featured-topics .related-link{padding:11px 0}.compact-principles{color:var(--muted);margin:0 0 12px;padding-left:19px;font-size:10px;line-height:1.75}.category-page{padding-top:0}.category-hero{border-bottom:1px solid var(--line);background:var(--surface);color:var(--ink)}.category-hero .content-shell{padding:20px 0}.category-hero .light-crumbs{color:var(--muted)}.category-hero-content{grid-template-columns:46px minmax(0,1fr) auto;gap:14px}.category-hero-icon{border-color:var(--line);border-radius:5px;width:42px;height:42px;font-size:23px}.category-hero h1{margin:2px 0;font-size:24px}.category-hero p{color:var(--muted);font-size:11px}.category-hero .section-kicker{color:var(--blue)}.category-hero .light-button{background:var(--blue);color:#fff;border-radius:4px;height:34px;min-height:34px}.category-body{grid-template-columns:minmax(0,1fr) 250px;gap:26px;padding:22px 0 60px}.reading-shell{padding-top:18px;padding-bottom:60px}.breadcrumbs{min-height:28px;margin:0 0 10px;font-size:12px}.reading-layout{grid-template-columns:minmax(0,1fr) 240px;gap:24px}.topic-article{box-shadow:none;border-radius:5px}.article-header{padding:24px 28px 20px}.article-header h1{margin:10px 0;font-size:clamp(25px,3vw,34px);line-height:1.25}.article-deck{color:var(--text-secondary);font-size:14px;line-height:1.75}.article-body{padding:8px 28px 28px}.article-body section{margin-top:28px}.article-body h2{border-bottom:1px solid var(--line);padding-bottom:8px;font-size:19px}.article-body p,.article-body li{color:var(--text-body);font-size:15px;line-height:1.9}.reading-sidebar{top:calc(var(--header-height) + 14px)}.toc-card{box-shadow:none;border-radius:5px}.toc-card>strong{font-size:13px}.toc-card>span{color:var(--text-secondary);font-size:12px;line-height:1.55}.article-byline small,.byline-stats{color:var(--text-tertiary);font-size:11px}.related-link small,.comments-heading>span,.comment-author small,.comment-author time,.comment-footer,.reply-heading small,.reply-footer>span{color:var(--text-tertiary);font-size:10px}.comment>p{color:var(--text-body);font-size:14px}.topic-main>p{color:var(--text-secondary);font-size:12px}.topic-meta-row,.topic-vote,.compact-principles{color:var(--text-tertiary)}.site-footer{background:#1f2328;padding:28px max(22px,50% - 540px) 16px}.footer-grid{gap:34px}:root[data-theme=dark] .site-header{background:#111419}:root[data-theme=dark] .forum-sidebar-nav,:root[data-theme=dark] .home-summary,:root[data-theme=dark] .sidebar-card,:root[data-theme=dark] .topic-article,:root[data-theme=dark] .toc-card,:root[data-theme=dark] .category-hero{background:var(--surface)}:root[data-theme=dark] .category-card,:root[data-theme=dark] .topic-list,:root[data-theme=dark] .topic-card{background:0 0}:root[data-theme=dark] .topic-card:hover,:root[data-theme=dark] .category-card:hover{background:#6ba9e614}:root[data-theme=dark] .theme-toggle{background:0 0}@media (max-width:1050px){:root{--sidebar-width:196px}.discourse-home .forum-layout,.category-body,.reading-layout{grid-template-columns:minmax(0,1fr) 220px;gap:18px}.header-search{width:min(330px,31vw)}}@media (max-width:820px){:root{--sidebar-width:0px}main,.site-footer{margin-left:0}main.content-shell,main.reading-shell,main.form-page,main.guidelines-page,main.messages-page{width:calc(100% - 40px);margin-inline:20px}.forum-sidebar-nav{display:none}.mobile-sidebar-menu{display:block;position:relative}.mobile-sidebar-menu summary{color:#fff;cursor:pointer;border-radius:4px;place-items:center;width:32px;height:32px;font-size:19px;list-style:none;display:grid}.mobile-sidebar-menu summary::-webkit-details-marker{display:none}.mobile-sidebar-menu[open] summary{background:#343b43}.mobile-sidebar-menu nav{border:1px solid var(--line);background:var(--surface);width:220px;max-height:calc(100vh - 70px);color:var(--ink);box-shadow:var(--shadow);border-radius:5px;flex-direction:column;padding:8px;display:flex;position:absolute;top:41px;left:0;overflow-y:auto}.mobile-sidebar-menu nav a{border-radius:4px;padding:9px 10px;font-size:12px}.mobile-sidebar-menu nav a:hover{background:var(--soft-line)}.brand{width:auto;min-width:160px}.header-search{flex:1;width:auto}.discourse-home .forum-layout,.category-body,.reading-layout{grid-template-columns:1fr}.forum-sidebar{display:none}.reading-sidebar{grid-template-columns:1fr 1fr;display:grid}}@media (max-width:620px){.header-inner{gap:6px;padding:0 8px}.brand{min-width:0}.brand>span:last-child{display:none}.header-search{max-width:none;height:32px;padding-inline:9px}.header-search span:last-child{display:none}.header-search>span:first-child{font-size:17px}.header-actions .theme-toggle .desktop-only,.header-actions .icon-link .desktop-only{display:none}.header-actions .theme-toggle,.header-actions .icon-link{padding-inline:7px}.header-publish{padding-inline:9px}.content-shell,.reading-shell,.form-page,.guidelines-page{width:calc(100% - 24px)}main.content-shell,main.reading-shell,main.form-page,main.guidelines-page,main.messages-page{width:calc(100% - 24px);margin-inline:12px}.home-welcome{flex-direction:column;align-items:flex-start;width:calc(100% - 24px);padding-block:20px 16px}.home-welcome h1{font-size:21px}.home-summary{width:100%}.home-summary span{flex:1;min-width:0}.home-topic-toolbar{width:calc(100% - 24px);overflow-x:auto}.home-topic-toolbar nav a{white-space:nowrap;padding-inline:9px}.home-topic-toolbar>.primary-button{display:none}.category-grid{grid-template-columns:1fr}.category-card{min-height:68px}.topic-card{grid-template-columns:34px minmax(0,1fr);gap:7px;padding-inline:2px}.topic-main>p{-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.topic-meta-row{flex-wrap:wrap}.topic-stats{width:100%;margin:4px 0 0}.category-hero-content{grid-template-columns:42px minmax(0,1fr)}.category-hero .light-button{grid-column:1/-1}.reading-sidebar{display:block}.article-header,.article-body{padding-inline:18px}.article-header h1{font-size:26px}.site-footer{padding-inline:18px}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}