/*! tailwindcss v4.3.1 | 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,::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}}}@font-face{font-family:Exposure;src:url(/fonts/Exposure-205TF-VAR.woff2)format("woff2");font-style:normal}@font-face{font-family:Exposure;src:url(/fonts/Exposure-205TF-VAR-Italic.woff2)format("woff2");font-style:italic}@font-face{font-family:OpenRunde;src:url(/fonts/OpenRunde-Regular.woff2)format("woff2");font-weight:400}@font-face{font-family:OpenRunde;src:url(/fonts/OpenRunde-Medium.woff2)format("woff2");font-weight:500}@font-face{font-family:JetBrains Mono;src:url(/fonts/JetBrainsMono-Variable.woff2)format("woff2");font-weight:100 800}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--surface:#fffdfa;--ink:#171717;--muted:#737373;--line:#17171724;--accent:#3b6ea5}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}.dark{--surface:#0e0e11;--ink:#f5f5f5;--muted:#9a9a9a;--line:#ffffff29;--accent:#7aa7d6}@media (prefers-color-scheme:dark){:root:not(.light){--surface:#0e0e11;--ink:#f5f5f5;--muted:#9a9a9a;--line:#ffffff29;--accent:#7aa7d6}}:root,:host{--font-sans:"OpenRunde", system-ui, sans-serif;--font-mono:"JetBrains Mono", ui-monospace, monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}html{background:var(--surface);color:var(--ink);overscroll-behavior:none;font-family:OpenRunde,system-ui,sans-serif}h1{font-variation-settings:"EXPO" -10;text-wrap:pretty;font-family:Exposure,OpenRunde,sans-serif;font-weight:500;line-height:1.2}h2,h3{text-wrap:pretty;font-family:OpenRunde,system-ui,sans-serif;font-weight:500;line-height:1.3}.font-display{font-variation-settings:"EXPO" -10;font-family:Exposure,OpenRunde,sans-serif;font-weight:500}h4,h5,h6{text-wrap:pretty;font-family:OpenRunde,system-ui,sans-serif;font-weight:500}a[href],button:not(:disabled),[role=button]:not(:disabled),[role=link],label[for],select:not(:disabled),summary{cursor:pointer}code,pre,kbd,samp{font-family:JetBrains Mono,ui-monospace,monospace}@layer theme;@layer base{*,:after,:before,::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]){appearance:button}::file-selector-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{.absolute{position:absolute}.relative{position:relative}.block{display:block}.flex{display:flex}.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)}}*{box-sizing:border-box}html,body,#app{min-height:100%}body{margin:0}:root,.dark{--background:var(--surface);--foreground:var(--ink)}:root{--jsiu-navy:#071e3d;--jsiu-teal:#004d61;--jsiu-ink:#14212e;--jsiu-muted:#55687a;--jsiu-line:#c9d2de;--jsiu-line-soft:#e3e8f0;--jsiu-paper:#fff;--jsiu-bg:#f4f6fa;--jsiu-zone1:#8fb0cd;--jsiu-zone2:#4a7194;--jsiu-zone3:#0e3550;--jsiu-zone4:#04101f}html{background:var(--jsiu-paper);color:var(--jsiu-ink)}body{color:var(--jsiu-ink);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;font-family:OpenRunde,Noto Sans SC,PingFang SC,Microsoft YaHei,system-ui,sans-serif}.doc-serif{font-family:Noto Serif SC,Source Han Serif SC,Songti SC,SimSun,serif}.doc-shell{background-color:var(--jsiu-paper);background-blend-mode:overlay;opacity:1;background-image:url(/emblem.svg);background-position:50%;background-repeat:repeat;background-size:420px;background-attachment:fixed;min-height:100dvh;position:relative}.doc-shell:before{content:"";z-index:0;pointer-events:none;background:#fffffff0;position:fixed;inset:0}main{z-index:1;position:relative}.skip-link{z-index:60;background:var(--jsiu-navy);color:#fff;border-radius:0 0 8px;padding:12px 18px;position:absolute;top:0;left:-9999px}.skip-link:focus{left:0}.topbar{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--jsiu-line);background:#ffffffeb;position:sticky;top:0}.topbar-inner{align-items:center;gap:20px;max-width:1180px;margin:0 auto;padding:12px 24px;display:flex}.brand{align-items:center;gap:12px;margin-right:auto;display:flex}.brand-mark{width:40px;height:40px;display:block}.brand-text{flex-direction:column;line-height:1.15;display:flex}.brand-cn{color:var(--jsiu-navy);letter-spacing:1px;font-size:17px;font-weight:700}.brand-en{color:var(--jsiu-muted);letter-spacing:.5px;font-size:11px}.topnav{align-items:center;gap:6px;display:flex}.topnav a{color:var(--jsiu-ink);border-radius:8px;padding:8px 10px;font-size:14px;text-decoration:none;transition:background .15s,color .15s}.topnav a:hover{color:var(--jsiu-teal);background:#004d6114}.topnav a:focus-visible{outline:2px solid var(--jsiu-teal);outline-offset:2px}.menu-btn,.mobile-nav{display:none}.btn{-webkit-tap-highlight-color:transparent;border:1px solid #0000;border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-size:15px;font-weight:600;text-decoration:none;transition:transform .12s,box-shadow .15s,background .15s,color .15s;display:inline-flex}.btn:active{transform:scale(.97)}.btn:focus-visible{outline:2px solid var(--jsiu-teal);outline-offset:2px}.btn-primary{background:var(--jsiu-navy);color:#fff;border-color:var(--jsiu-navy);box-shadow:inset 0 1px #ffffff29,0 8px 20px -10px #071e3db3}.btn-primary:hover{background:#0a2a52}.btn-secondary{color:var(--jsiu-navy);background:#fff;border-color:#071e3d47;box-shadow:inset 0 1px #fff9,0 6px 16px -10px #071e3d59}.btn-secondary:hover{background:#f2f5fa}.btn-lg{border-radius:12px;padding:14px 24px;font-size:16px}.icon-btn{border:1px solid var(--jsiu-line);width:42px;height:42px;color:var(--jsiu-navy);cursor:pointer;background:#fff;border-radius:10px;justify-content:center;align-items:center;display:inline-flex}.icon-btn:focus-visible{outline:2px solid var(--jsiu-teal);outline-offset:2px}.hero{text-align:center;max-width:1180px;margin:0 auto;padding:72px 24px 56px;position:relative}.hero-mark{justify-content:center;margin-bottom:28px;display:flex}.hero-emblem{filter:drop-shadow(0 12px 24px #071e3d2e);width:120px;height:120px}.eyebrow{letter-spacing:4px;color:var(--jsiu-teal);margin:0 0 18px;font-size:14px;font-weight:600}.hero-title{color:var(--jsiu-navy);text-wrap:pretty;max-width:900px;margin:0 auto 20px;font-family:Noto Serif SC,Source Han Serif SC,Songti SC,serif;font-size:clamp(30px,5vw,52px);font-weight:700;line-height:1.3}.hero-hosts{color:var(--jsiu-teal);letter-spacing:1px;margin:0 0 10px;font-size:17px;font-weight:600}.hero-meta{color:var(--jsiu-muted);margin:0 0 34px;font-size:14px}.hero-actions{flex-wrap:wrap;justify-content:center;gap:14px;display:flex}.hero-scroll-hint{color:var(--jsiu-muted);justify-content:center;align-items:center;gap:8px;margin-top:48px;font-size:13px;animation:2.4s ease-in-out infinite bob;display:flex}@keyframes bob{0%,to{transform:translateY(0)}50%{transform:translateY(6px)}}.toc{max-width:1180px;margin:0 auto 24px;padding:0 24px}.toc-title{color:var(--jsiu-navy);letter-spacing:1px;align-items:center;gap:10px;margin:0 0 12px;font-size:15px;font-weight:700;display:flex}.toc-list{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:8px;margin:0;padding:0;list-style:none;display:grid}.toc-list li a{background:var(--jsiu-bg);border:1px solid var(--jsiu-line-soft);color:var(--jsiu-ink);border-radius:10px;align-items:center;gap:10px;padding:12px 14px;font-size:14px;font-weight:500;text-decoration:none;transition:border-color .15s,background .15s;display:flex}.toc-list li a:hover{border-color:var(--jsiu-teal);background:#fff}.toc-list li a:focus-visible{outline:2px solid var(--jsiu-teal);outline-offset:2px}.toc-num{color:var(--jsiu-teal);font-family:JetBrains Mono,monospace;font-size:12px;font-weight:600}.prose-section{max-width:900px;margin:0 auto;padding:40px 24px 48px;scroll-margin-top:84px}.section-head{border-bottom:2px solid var(--jsiu-navy);align-items:baseline;gap:16px;margin-bottom:26px;padding-bottom:14px;display:flex}.section-index{color:var(--jsiu-teal);font-family:Noto Serif SC,Source Han Serif SC,serif;font-size:22px;font-weight:700}.section-title{color:var(--jsiu-navy);text-wrap:pretty;margin:0;font-family:Noto Serif SC,Source Han Serif SC,Songti SC,serif;font-size:clamp(24px,3vw,30px);font-weight:700}.section-sub{color:var(--jsiu-muted);margin:-8px 0 24px;font-size:15px}.prose-section p{color:var(--jsiu-ink);margin:0 0 16px;font-size:16px;line-height:1.9}.prose-section p strong{color:var(--jsiu-teal);font-weight:600}.scheme-list{flex-direction:column;gap:16px;display:flex}.scheme{border:1px solid var(--jsiu-line);border-left:4px solid var(--jsiu-teal);background:#fff;border-radius:12px;padding:22px 24px;box-shadow:0 1px #071e3d0a}.scheme-tag{color:var(--jsiu-teal);letter-spacing:1px;align-items:center;gap:10px;margin-bottom:12px;font-size:13px;font-weight:600;display:flex}.scheme-index{background:var(--jsiu-navy);color:#fff;border-radius:6px;padding:2px 8px;font-family:JetBrains Mono,monospace;font-size:12px}.scheme-motto{color:var(--jsiu-navy);letter-spacing:1px;text-wrap:pretty;margin:0 0 14px;font-family:Noto Serif SC,Source Han Serif SC,Songti SC,serif;font-size:clamp(20px,2.6vw,26px);font-weight:700;line-height:1.5}.scheme-meaning,.scheme-keywords{color:var(--jsiu-ink);margin:0 0 8px;font-size:15px;line-height:1.8}.scheme-keywords{color:var(--jsiu-muted)}.scheme-label{color:var(--jsiu-teal);letter-spacing:1px;border:1px solid #004d614d;border-radius:6px;margin-right:10px;padding:1px 8px;font-size:12px;font-weight:700;display:inline-block}.review-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin-bottom:24px;display:grid}.review-card{border:1px solid var(--jsiu-line);background:var(--jsiu-bg);border-radius:12px;padding:22px}.review-ico{background:var(--jsiu-navy);color:#fff;border-radius:10px;justify-content:center;align-items:center;width:40px;height:40px;margin-bottom:14px;display:flex}.review-card h3{color:var(--jsiu-navy);margin:0 0 10px;font-size:17px;font-weight:700}.review-card p{color:var(--jsiu-ink);margin:0;font-size:15px;line-height:1.8}.notice{border:1px solid var(--jsiu-line);border-radius:12px;margin:0;overflow:hidden}.notice-row{grid-template-columns:140px 1fr;gap:12px;padding:16px 22px;display:grid}.notice-row+.notice-row{border-top:1px solid var(--jsiu-line-soft)}.notice dt{color:var(--jsiu-navy);font-size:15px;font-weight:700}.notice dd{color:var(--jsiu-ink);margin:0;font-size:15px;line-height:1.7}.scale-claim{text-align:center;color:var(--jsiu-navy);letter-spacing:1px;font-family:Noto Serif SC,Source Han Serif SC,serif;font-size:19px;font-weight:700;margin:0 0 36px!important}.depth-scale{justify-content:center;align-items:stretch;gap:40px;padding:20px 0 10px;display:flex}.depth-axis{border:1px solid var(--jsiu-line);background:linear-gradient(to bottom, var(--jsiu-zone1), var(--jsiu-zone2) 30%, var(--jsiu-zone3) 62%, var(--jsiu-zone4));border-radius:14px;width:120px;height:620px;position:relative;box-shadow:inset 0 0 0 1px #fff3}.depth-rail,.depth-fill{position:absolute;inset:0}.depth-tick{justify-content:center;height:0;display:flex;position:absolute;left:0;right:0}.depth-tick i{background:#ffffffe6;border-radius:1px;width:18px;height:2px}.depth-labels{width:90px;position:absolute;top:0;bottom:0;left:100%}.depth-label{color:var(--jsiu-ink);white-space:nowrap;font-family:JetBrains Mono,monospace;font-size:12px;position:absolute;left:14px}.depth-label small{color:var(--jsiu-muted);font-size:10px}.depth-zero{color:var(--jsiu-navy);white-space:nowrap;font-size:12px;font-weight:700;position:absolute;top:-26px;left:50%;transform:translate(-50%)}.depth-zones{color:var(--jsiu-ink);flex-direction:column;justify-content:space-between;margin:0;padding:0;font-size:14px;line-height:1.5;list-style:none;display:flex}.depth-zones li{align-items:center;gap:10px;display:flex}.zone-dot{border-radius:50%;flex-shrink:0;width:14px;height:14px}.zone-1{background:var(--jsiu-zone1)}.zone-2{background:var(--jsiu-zone2)}.zone-3{background:var(--jsiu-zone3)}.zone-4{background:var(--jsiu-zone4)}.scroll-actions{flex-wrap:wrap;gap:12px;margin-bottom:20px;display:flex}.scroll-preview{border:1px solid var(--jsiu-line);background:#fff;border-radius:14px;outline:none;max-height:72vh;position:relative;overflow:auto}.scroll-preview:focus-visible{outline:2px solid var(--jsiu-teal);outline-offset:2px}.scroll-object{border:0;width:100%;min-height:70vh;display:block}.preview-hint{border-top:1px solid var(--jsiu-line-soft);color:var(--jsiu-muted);background:#ffffffd9;justify-content:center;align-items:center;gap:8px;padding:8px;font-size:12px;display:flex;position:sticky;bottom:0;left:0;right:0}.site-footer{z-index:1;background:var(--jsiu-navy);color:#c9d2de;text-align:center;margin-top:48px;padding:48px 24px 40px;position:relative}.footer-top{flex-direction:column;align-items:center;gap:12px;margin-bottom:20px;display:flex}.footer-emblem{opacity:.9;width:56px;height:56px}.footer-title{color:#fff;margin:0;font-family:Noto Serif SC,Source Han Serif SC,serif;font-size:17px;font-weight:700}.footer-hosts{color:#8fb0cd;margin:0;font-size:13px}.footer-note{color:#8fb0cd;max-width:640px;margin:0 auto 14px;font-size:12px;line-height:1.7}.footer-copy{color:#6b7d92;margin:0;font-size:12px}@media (width<=900px){.topnav,.top-cta{display:none}.menu-btn{display:inline-flex}.mobile-nav{border-top:1px solid var(--jsiu-line);background:#fff;flex-direction:column;gap:4px;padding:12px 24px 18px;display:flex}.mobile-nav a{color:var(--jsiu-ink);border-radius:8px;padding:12px 10px;font-size:15px;text-decoration:none}.mobile-nav a:hover{background:var(--jsiu-bg)}.mobile-nav .btn{margin-top:8px}.hero{padding-top:52px}.depth-scale{flex-direction:column;align-items:center;gap:28px}.depth-axis{height:520px}.depth-zones{gap:12px}}@media (width<=520px){.brand-en{display:none}.hero-actions{flex-direction:column;align-items:stretch}.notice-row{grid-template-columns:1fr;gap:4px}}@media print{.topbar,.hero-actions,.hero-scroll-hint,.scroll-actions,.preview-hint,.menu-btn,.mobile-nav,.skip-link{display:none!important}.doc-shell{background:#fff}.doc-shell:before{display:none}.hero{padding:24px 0}.prose-section{max-width:100%;padding:24px 0}.scheme,.review-card,.notice{break-inside:avoid}.depth-axis{height:480px}body{background:#fff}}@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}