/* Swiss application theme scoped to #zhixing; marketing uses sw- components. */

:root{--sw-paper:#f4f3ee;--sw-ink:#181818;--sw-red:#dd3d2c;--sw-muted:#64635f;--sw-line:#c8c7c0;--sw-white:#fffefa;--sw-gap:24px}

:root{--ink:#181818;--ink-soft:#363633;--navy:#181818;--navy-2:#242424;--navy-3:#333;--paper:#f4f3ee;--paper-2:#fffefa;--surface:#fffefa;--line:#c8c7c0;--line-strong:#92928b;--muted:#64635f;--coral:#dd3d2c;--coral-dark:#b72b20;--mint:#e9e7df;--mint-dark:#353532;--danger:#b72b20;--shadow:none;--shadow-deep:none;--radius:0;--max:1440px;--brand-paper:#f4f3ee;--brand-surface:#fffefa;--brand-ink:#181818;--brand-muted:#64635f;--brand-line:#c8c7c0;--brand-blue:#dd3d2c;--brand-coral:#dd3d2c}
body#zhixing:not([data-view=landing]){background:var(--sw-paper);color:var(--sw-ink)}
/* Author display rules (e.g. .plain-link) beat the UA [hidden] rule, so hidden controls must be explicit. */
#zhixing [hidden]{display:none}
body#zhixing:not([data-view=landing])::before{display:none}
body#zhixing:not([data-view=landing]) :is(h1,h2,h3,h4,.side-quote,.heading-stamp){font-family:"Noto Sans SC","Microsoft YaHei",sans-serif}
body#zhixing:not([data-view=landing]) :is(.panel,.auth-panel,.mode-card,.knowledge-chain button,.admin-panel,.admin-metric,.suggestions,.mentor-note,.transfer-card,.history-summary,.history-card,.diagnosis-report,.diagnosis-plan,.soft-note,.bridge-note,.options>div,.answer-comparison article,.type-chip span,.badge,.completion-mark,.status-chip,.generation-status,.attachment-item,.evidence-grid details){border-radius:0;box-shadow:none}
body#zhixing:not([data-view=landing]) .site-header{background:var(--sw-paper);color:var(--sw-ink);border-bottom:1px solid var(--sw-ink);backdrop-filter:none;box-shadow:none;height:72px;padding-inline:48px;gap:32px}
body#zhixing:not([data-view=landing]) .site-header .brand{font-size:25px;font-weight:900;letter-spacing:-.06em}
body#zhixing:not([data-view=landing]) .brand-mark,body#zhixing:not([data-view=landing]) .brand-copy small{display:none}
body#zhixing:not([data-view=landing]) .site-header .main-nav{margin-left:12px;margin-right:auto;gap:28px;font-size:14px}
body#zhixing:not([data-view=landing]) .site-header .main-nav a{opacity:1;border:0;padding-block:24px}
body#zhixing:not([data-view=landing]) .site-header .main-nav a.active{color:var(--sw-ink);box-shadow:inset 0 -3px var(--sw-red)}
body#zhixing:not([data-view=landing]) .site-header .main-nav a:hover{color:var(--sw-red)}
body#zhixing:not([data-view=landing]) .site-header .text-button{color:var(--sw-ink)}
body#zhixing:not([data-view=landing]) .avatar{background:#e5e3db;border-radius:0;color:#181818}
body#zhixing:not([data-view=landing]) .button{border-radius:0;background:var(--sw-red);color:#fff;box-shadow:none;min-height:46px;font-size:13px;transform:none}
body#zhixing:not([data-view=landing]) .button:hover{background:#b72b20;color:#fff;box-shadow:none;transform:none}
body#zhixing:not([data-view=landing]) .button.secondary{background:transparent;color:var(--sw-ink);border-color:var(--sw-ink)}
body#zhixing:not([data-view=landing]) .button.cream{background:var(--sw-paper);color:var(--sw-ink)}
body#zhixing:not([data-view=landing]) .plain-link{color:var(--sw-red)}
body#zhixing:not([data-view=landing]) :is(input,textarea,select){border-radius:0;border-color:#aaa9a0;background:#fffefa;color:var(--sw-ink);font-size:14px}
body#zhixing:not([data-view=landing]) :is(input,textarea,select):focus{border-color:var(--sw-red);box-shadow:0 0 0 2px #dd3d2c22}
body#zhixing:not([data-view=landing]) :is(button,a,summary):focus-visible{outline:2px solid #b72b20;outline-offset:4px;box-shadow:none}
body#zhixing:not([data-view=landing]) :is(.badge,.tags>span,.completion-mark){background:#e9e7df;border-color:#c8c7c0;color:#363633;border-radius:0}
body#zhixing:not([data-view=landing]) .tags>span{overflow-wrap:anywhere;max-width:100%}
body#zhixing:not([data-view=landing]) .site-footer{background:var(--sw-paper);color:var(--sw-muted);border-top:1px solid var(--sw-line);padding:22px 48px}
#zhixing .workspace{max-width:1440px;padding:42px 48px 60px}
#zhixing .workspace .page-heading{margin-bottom:36px;align-items:start}
#zhixing .workspace .page-heading h1{font-size:clamp(30px,3.2vw,48px);font-weight:900;letter-spacing:-.055em;line-height:1.3;margin:14px 0}
#zhixing .workspace .page-heading p{color:var(--sw-muted);font-size:14px;max-width:750px;line-height:1.8}
#zhixing .workspace .eyebrow{color:var(--sw-muted);font-size:11px;letter-spacing:.1em}
#zhixing .workspace .page-heading .eyebrow{color:var(--sw-red)}
#zhixing .workspace .heading-stamp{font-size:11px;line-height:1.8;color:var(--sw-muted)}
#zhixing .workspace .heading-stamp b{display:none}
#zhixing .workspace .panel{background:var(--sw-white);padding:26px;border:1px solid var(--sw-line)}
#zhixing .workspace .panel-heading h2{font-size:18px;font-weight:750}
#zhixing .workspace .panel-heading{align-items:start}
#zhixing .workspace .muted{color:var(--sw-muted);line-height:1.75}
#zhixing .workspace .field-note{font-size:11px;color:var(--sw-muted)}
#zhixing .step-nav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));padding:12px 48px 0;gap:18px;border-bottom:0;background:var(--sw-paper)}
#zhixing .step-nav .step{border:0;border-bottom:1px solid #a5a49c;border-radius:0;padding:12px 0 17px;gap:15px;background:transparent;box-shadow:none}
#zhixing .step-nav .step.current{border-bottom:3px solid var(--sw-red);background:transparent;box-shadow:none}
#zhixing .step-nav .step-number,#zhixing .step-nav .step.current .step-number,#zhixing .step-nav .step.done .step-number{border:0;background:none;border-radius:0;font-size:23px;font-family:Arial,sans-serif;font-weight:700;color:var(--sw-muted);width:32px;height:32px}
#zhixing .step-nav .step.current .step-number,#zhixing .step-nav .step.current strong{color:var(--sw-red)}
#zhixing .step-nav .step.done .step-number{color:var(--sw-ink)}
#zhixing .step-nav .step strong{font-size:13px}
#zhixing .step-nav .step small{font-size:9px}
#zhixing .step-nav .step>.ui-icon{display:none}
#zhixing .question-layout{grid-template-columns:minmax(0,1fr) 350px;gap:35px}
#zhixing .question-layout>form>.panel{border:0;border-top:1px solid var(--sw-ink);padding:24px 0;background:transparent}
#zhixing .workspace .mode-grid{gap:10px;margin:16px 0 25px}
#zhixing .workspace .mode-card{padding:16px 12px;min-height:112px;background:var(--sw-white);border:1px solid var(--sw-line);transform:none}
#zhixing .workspace .mode-card.selected{border:1px solid var(--sw-red);background:#fffaf6;box-shadow:inset 0 -2px var(--sw-red)}
#zhixing .workspace .mode-card:hover{border-color:var(--sw-red);transform:none}
#zhixing .workspace .mode-icon{color:var(--sw-ink);margin-bottom:11px}
#zhixing .workspace .mode-card.selected .mode-icon{color:var(--sw-red)}
#zhixing .workspace .mode-card strong{font-size:13px}
#zhixing .workspace .mode-card small{font-size:10px}
#zhixing .workspace .type-chip span{border-radius:0;font-size:12px;padding:8px 13px}
#zhixing .workspace .type-chip input:checked+span{border-color:var(--sw-red);color:#b72b20;background:#fff7f1}
#zhixing .workspace .type-chip input:focus-visible+span{outline:2px solid var(--sw-red);outline-offset:3px}
#zhixing .workspace .course-label{display:block!important}
#zhixing .workspace .course-label select{width:100%;margin-top:10px;font-size:14px}
#zhixing .workspace .materials{margin-top:22px}
#zhixing .workspace .materials summary{font-size:13px}
#zhixing .workspace .materials summary>span{display:block;margin:8px 0 0 22px;font-size:11px}
#zhixing .workspace .materials .muted{font-size:11px}
#zhixing .workspace .form-bottom{padding-top:20px}
#zhixing .workspace .form-bottom .button{padding-inline:26px}
#zhixing .study-aside{border-left:1px solid var(--sw-line);padding-left:30px}
#zhixing .study-aside .mentor-note{padding:0;background:none;color:var(--sw-ink);min-height:0;border:0;overflow:visible}
#zhixing .study-aside .mentor-note::after,#zhixing .study-aside .mentor-note .eyebrow,#zhixing .study-aside .note-line,#zhixing .study-aside .mentor-note>small{display:none}
#zhixing .sw-aside-index{color:var(--sw-red);display:block;font-size:11px;letter-spacing:.08em;border-top:1px solid var(--sw-line);padding:15px 0 25px}
#zhixing .study-aside .mentor-note h2{font-size:36px;font-weight:900;line-height:1.35;letter-spacing:-.06em;color:var(--sw-ink);margin-bottom:20px}
#zhixing .study-aside .mentor-note p{font-size:14px;color:var(--sw-muted);max-width:none;line-height:1.9}
#zhixing .sw-app-photo{margin:25px 0 0}
#zhixing .sw-app-photo img{width:100%;height:230px;display:block;object-fit:cover}
#zhixing .sw-monochrome{filter:grayscale(1)}
#zhixing .study-aside .suggestions{padding:0;border:0;background:none;margin-top:24px}
#zhixing .study-aside .suggestions h3{font-size:12px;line-height:1.6}
#zhixing .study-aside .suggestions button{border-color:var(--sw-line)}
#zhixing .study-aside .suggestions button strong{font-size:14px}
#zhixing .study-aside .suggestions button>span{color:var(--sw-muted)}
#zhixing .diagnosis-v5-grid{grid-template-columns:minmax(0,1.6fr) minmax(280px,.85fr);gap:35px;align-items:start}
#zhixing .workspace .diagnosis-report{padding:0;border:0;background:none}
#zhixing .workspace .diagnosis-report .section-heading{border:0;padding:0 0 20px;margin:0}
#zhixing .workspace .diagnosis-report .section-heading>p{font-size:13px;color:var(--sw-muted)}
#zhixing .workspace .diagnosis-finding{grid-template-columns:70px minmax(0,1fr);padding:25px 0;gap:22px;border-top:1px solid var(--sw-ink);border-bottom:0}
#zhixing .workspace .finding-number{font-family:Arial,sans-serif;color:var(--sw-red);font-size:56px;line-height:1;font-weight:700}
#zhixing .workspace .diagnosis-finding h3{font-size:24px;font-weight:800;line-height:1.4;margin-bottom:10px}
#zhixing .workspace .diagnosis-finding p{font-size:14px;line-height:1.9;margin:0;color:var(--sw-ink)}
#zhixing .workspace .finding-status{grid-column:2;font-size:10px;padding-top:0;color:var(--sw-muted);display:block}
#zhixing .workspace .finding-status i{display:none}
#zhixing .workspace .diagnosis-question{background:none;border:0;border-left:4px solid var(--sw-red);border-radius:0;padding:5px 0 5px 20px;margin:25px 0}
#zhixing .workspace .diagnosis-question>.diagnosis-icon{display:none}
#zhixing .workspace .diagnosis-question strong{font-size:20px}
#zhixing .workspace .diagnosis-question .eyebrow{color:var(--sw-red)}
#zhixing .workspace .diagnosis-chain{border-top:1px solid var(--sw-line);padding-top:23px}
#zhixing .workspace .diagnosis-chain-node{border-radius:0;background:none;border:1px solid var(--sw-line)}
#zhixing .workspace .diagnosis-plan{background:#eae9e3;border:0;border-left:1px solid var(--sw-line);padding:30px;position:static}
#zhixing .workspace .diagnosis-plan h2{font-size:26px;font-weight:800;letter-spacing:-.05em;color:var(--sw-ink)}
#zhixing .workspace .plan-intro{font-size:14px;color:var(--sw-muted)}
#zhixing .workspace .diagnosis-plan-list li{border-color:#b8b7ae;padding:20px 0;gap:17px}
#zhixing .workspace .diagnosis-plan-list li>span{color:var(--sw-red);background:none;border:0;border-radius:0;font-size:30px;width:35px;font-family:Arial}
#zhixing .workspace .diagnosis-plan-list strong{font-size:15px;color:var(--sw-ink)}
#zhixing .workspace .plan-note{background:none;border:0;border-top:1px solid var(--sw-line);border-radius:0;padding:18px 0 0}
#zhixing .workspace .knowledge-chain{gap:0;margin-bottom:22px}
#zhixing .workspace .knowledge-chain button{padding:18px 22px;background:var(--sw-white);border:1px solid var(--sw-line);box-shadow:none;transform:none}
#zhixing .workspace .knowledge-chain button.active{border-color:var(--sw-line);border-bottom:3px solid var(--sw-red);background:var(--sw-white);color:var(--sw-ink)}
#zhixing .workspace .knowledge-chain button>span{font-family:Arial;font-size:31px;color:var(--sw-muted);background:none}
#zhixing .workspace .knowledge-chain button.active>span{color:var(--sw-red)}
#zhixing .workspace .knowledge-chain button strong{font-size:16px}
#zhixing .workspace .knowledge-chain button small{font-size:10px;color:var(--sw-muted)}
#zhixing .workspace .knowledge-chain .role-arrow{display:none}
#zhixing .explore-layout{grid-template-columns:minmax(0,1.8fr) minmax(290px,1fr);gap:22px}
#zhixing .workspace .role-reading h2{font-size:30px;font-weight:850;letter-spacing:-.045em;margin-top:20px}
#zhixing .workspace .lead-text{font-size:17px;line-height:1.85}
#zhixing .workspace .read-list{padding-left:20px;font-size:14px;line-height:1.9}
#zhixing .sw-reading-figure{float:right;width:29%;margin:5px 0 20px 24px}
#zhixing .sw-reading-image{width:100%;height:190px;overflow:hidden}
#zhixing .sw-reading-image img{display:block;width:100%;height:100%;max-width:none;object-fit:cover;transition:opacity .25s ease}
#zhixing .sw-reading-caption{display:block;font-size:10px;line-height:1.7;color:var(--sw-muted);margin-top:8px;overflow:hidden}
#zhixing .sw-reading-caption a{color:inherit;text-decoration:underline;text-underline-offset:2px}
#zhixing .sw-reading-figure.is-loading .sw-reading-image img{opacity:.6}
/* Web diagrams read like an editorial figure: wider than the fallback photo, never cropped. */
#zhixing .sw-reading-figure.has-web-image{width:45%;margin:5px 0 18px 24px}
#zhixing .sw-reading-figure.has-web-image .sw-reading-image{display:flex;align-items:center;justify-content:center;height:auto;max-height:250px;padding:10px;background:var(--sw-white);border:1px solid var(--sw-line)}
#zhixing .sw-reading-figure.has-web-image img{width:auto;max-width:100%;height:auto;max-height:230px;object-fit:contain}
#zhixing .workspace .bridge-note{clear:both;background:none;border:0;border-top:1px solid var(--sw-line);border-radius:0;padding:20px 0}
#zhixing .workspace .bridge-note>span{color:var(--sw-red)}
#zhixing .workspace .bridge-note strong{font-size:15px}
#zhixing .workspace .bridge-note p{font-size:13px}
#zhixing .workspace .soft-note{background:#eeece5;border-left:3px solid var(--sw-red);padding:16px 20px}
#zhixing .workspace .soft-note p{font-size:13px}
#zhixing .workspace .sources h2{font-size:27px;font-weight:850}
#zhixing .workspace .sources article{padding:20px 0;gap:14px}
#zhixing .workspace .sources article h3{font-size:15px;line-height:1.5}
#zhixing .workspace .sources article p{font-size:11px;line-height:1.75;margin-top:7px}
#zhixing .workspace .sources article small{font-size:9px;overflow-wrap:anywhere}
#zhixing .workspace .sources article>span{color:var(--sw-ink)}
#zhixing .workspace .case-panel{padding:20px 25px}
#zhixing .workspace .case-panel summary strong{font-size:16px}
#zhixing .workspace .evidence-grid details{background:#f4f3ee}
#zhixing .workspace .practice-item h2{font-size:21px;font-weight:750;line-height:1.6}
#zhixing .workspace .options div{border:0;border-bottom:1px solid var(--sw-line);padding:12px 0;font-size:14px;background:none;border-radius:0}
#zhixing .workspace .options div span{background:none;color:var(--sw-ink);border-radius:0;font-size:14px;margin-right:18px}
#zhixing .practice-layout{grid-template-columns:minmax(0,1.8fr) minmax(320px,1fr);gap:28px}
#zhixing .workspace .answer-panel{background:none;border:0;border-left:1px solid var(--sw-ink);padding:8px 0 25px 26px}
#zhixing .workspace .answer-panel h2{font-size:29px;font-weight:850}
#zhixing .workspace .answer-panel textarea{min-height:235px}
#zhixing .workspace .answer-panel .button{margin-top:14px}
#zhixing .workspace .side-quote{font-size:14px;padding:18px 0;color:var(--sw-muted)}
#zhixing .workspace .reflection-layout{gap:22px;align-items:stretch}
#zhixing .workspace .reflection-layout h2{font-size:26px;font-weight:850;letter-spacing:-.045em;margin-top:15px}
#zhixing .workspace .answer-comparison{grid-template-columns:1fr 24px 1fr;gap:16px;align-items:start;margin-top:24px}
#zhixing .workspace .answer-comparison>span{align-self:center;color:var(--sw-red)}
#zhixing .workspace .answer-comparison article,#zhixing .workspace .answer-comparison article.after{padding:0;border:0;background:none}
#zhixing .workspace .answer-comparison article.after{border-left:1px solid var(--sw-line);padding-left:20px}
#zhixing .workspace .answer-comparison p{font-size:14px;line-height:1.9}
#zhixing .workspace .answer-comparison small{color:var(--sw-ink);font-weight:700}
#zhixing .workspace .green-text{color:var(--sw-ink)}
#zhixing .workspace .orange-text{color:#b72b20}
#zhixing .workspace .transfer-card{background:#e54835;color:#101010;border:0;padding:30px;border-radius:0}
#zhixing .workspace .transfer-card h2{font-size:28px;font-weight:850}
#zhixing .workspace .transfer-card p{color:#181818;font-size:14px}
#zhixing .workspace .transfer-card .eyebrow,#zhixing .workspace .transfer-card small{color:#252321}
#zhixing .workspace .transfer-card .button{margin-top:16px}
#zhixing .workspace .timeline{padding-left:22px}
#zhixing .workspace .timeline li::before{background:var(--sw-ink);box-shadow:none}
#zhixing .workspace .timeline strong{font-size:14px}
#zhixing .workspace .step-footer{border-color:var(--sw-ink);max-width:none;margin-top:35px}
#zhixing .workspace .step-footer>.button{min-width:190px}
#zhixing .sw-history-layout{display:grid;grid-template-columns:270px minmax(0,1fr);gap:0;margin-top:40px;border-block:1px solid var(--sw-ink)}
#zhixing .workspace .history-summary{background:#e54835;color:#101010;border:0;padding:30px;margin:0;display:block}
#zhixing .workspace .history-summary>span{font-size:18px;font-weight:700}
#zhixing .workspace .history-summary strong{font-size:100px;line-height:1.1;font-family:Arial,sans-serif;display:block;margin-block:30px}
#zhixing .workspace .history-summary strong small{display:block;font-size:18px;font-family:"Microsoft YaHei",sans-serif}
#zhixing .workspace .history-summary p{font-size:13px;color:#181818;max-width:190px}
#zhixing .workspace .history-grid{display:grid;grid-template-columns:1fr;gap:0;margin:0}
#zhixing .workspace .history-card{border:0;border-bottom:1px solid var(--sw-line);background:transparent;padding:28px 32px;min-height:165px;transform:none;text-align:left}
#zhixing .workspace .history-card:last-child{border-bottom:0}
#zhixing .workspace .history-card:hover{background:#eae8df;transform:none;box-shadow:none}
#zhixing .workspace .history-card h2{font-size:22px;font-weight:800;line-height:1.5;letter-spacing:-.035em}
#zhixing .workspace .history-card-bottom{font-size:12px}
#zhixing .workspace .history-card-bottom>span:last-child{color:#b72b20}
#zhixing .sw-history-banner{display:grid;grid-template-columns:1fr 1fr;margin-top:25px;border:1px solid var(--sw-line);align-items:center}
#zhixing .sw-history-banner img{width:100%;height:230px;object-fit:cover;display:block}
#zhixing .sw-history-banner div{padding:30px}
#zhixing .sw-history-banner h2{font-size:26px;font-weight:800;line-height:1.5}
#zhixing .sw-history-banner p{font-size:14px;color:var(--sw-muted);margin:0}
body#zhixing[data-view=auth] .site-header .main-nav{display:none}
body#zhixing[data-view=auth] .site-header .header-actions{margin-left:auto}
body#zhixing[data-view=auth] .auth-layout{padding:0;min-height:calc(100vh - 72px);grid-template-columns:1.15fr 1fr;gap:0;background:var(--sw-paper)}
body#zhixing[data-view=auth] .auth-story{padding:60px 48px 35px;overflow:hidden;background:none;color:var(--sw-ink)}
#zhixing .auth-story::before{display:none}
body#zhixing[data-view=auth] .auth-story>.eyebrow{color:var(--sw-red);font-size:10px}
body#zhixing[data-view=auth] .auth-story h1{font-size:clamp(35px,3.65vw,56px);font-weight:900;letter-spacing:-.055em;line-height:1.3;color:var(--sw-ink);margin:25px 0}
body#zhixing[data-view=auth] .auth-story h1 span{color:var(--sw-ink)}
body#zhixing[data-view=auth] .auth-story>p{font-size:16px;color:var(--sw-muted);margin-top:22px}
body#zhixing[data-view=auth] .auth-story>small{color:var(--sw-muted);font-size:10px}
#zhixing .sw-auth-photo{margin:25px 0 0;border-block:1px solid var(--sw-red)}
#zhixing .sw-auth-photo img{display:block;width:100%;height:300px;object-fit:cover;object-position:50% 42%}
body#zhixing[data-view=auth] .auth-panel{background:#fffefa;border:0;border-left:1px solid var(--sw-line);border-radius:0;padding:70px 60px;display:flex;align-items:center;box-shadow:none}
body#zhixing[data-view=auth] .auth-box{width:100%;max-width:470px;margin:auto}
body#zhixing[data-view=auth] .auth-box>.eyebrow{color:var(--sw-muted);font-size:10px}
body#zhixing[data-view=auth] .auth-box h2{font-size:31px;font-weight:850;letter-spacing:-.045em;color:var(--sw-ink);margin:18px 0 12px}
body#zhixing[data-view=auth] .auth-box>.muted{margin-bottom:35px}
body#zhixing[data-view=auth] .auth-box label{font-size:14px;color:var(--sw-ink);margin-top:25px}
body#zhixing[data-view=auth] .auth-box input{min-height:50px;background:white}
body#zhixing[data-view=auth] .auth-box .text-button{color:var(--sw-muted)}
body#zhixing[data-view=auth] .auth-box .button{margin-top:28px;min-height:50px}
body#zhixing[data-view=auth] .auth-switch{margin-top:25px;color:var(--sw-muted)}
body#zhixing[data-view=auth] .auth-switch a{color:#b72b20}
body#zhixing[data-view=auth] .auth-footnote{margin-top:50px;padding-top:22px;border-top:1px solid var(--sw-line);color:var(--sw-muted);line-height:1.8}
body#zhixing[data-view=admin] .admin-layout{grid-template-columns:225px minmax(0,1fr);background:var(--sw-paper);min-height:calc(100vh - 72px)}
body#zhixing[data-view=admin] .admin-sidebar{background:var(--sw-ink);border:0;border-radius:0;padding:32px 20px;color:var(--sw-paper)}
body#zhixing[data-view=admin] .admin-sidebar-brand h2{color:var(--sw-paper);font-weight:800;font-size:23px}
body#zhixing[data-view=admin] .admin-sidebar-brand p,body#zhixing[data-view=admin] .admin-sidebar-brand .eyebrow{color:#b9b8b2}
body#zhixing[data-view=admin] .admin-sidebar nav{gap:6px;margin-top:35px}
body#zhixing[data-view=admin] .admin-sidebar nav a{border-radius:0;border:0;padding:15px 16px;color:#dddcd5;font-size:14px}
body#zhixing[data-view=admin] .admin-sidebar nav a.active{color:#fff;background:var(--sw-red);box-shadow:none}
body#zhixing[data-view=admin] .admin-sidebar nav a:hover{background:#333}
body#zhixing[data-view=admin] .admin-sidebar nav a.active:hover{background:#bb3022}
body#zhixing[data-view=admin] .admin-side-note{color:#b9b8b2;border-color:#555}
body#zhixing[data-view=admin] .admin-side-note span,body#zhixing[data-view=admin] .admin-student-link{color:var(--sw-paper)}
body#zhixing[data-view=admin] .admin-main{padding:45px 40px;min-width:0}
body#zhixing[data-view=admin] .admin-page-heading{margin-bottom:40px}
body#zhixing[data-view=admin] .admin-page-heading h1{font-size:44px;font-weight:900;letter-spacing:-.06em;color:var(--sw-ink);margin:14px 0}
body#zhixing[data-view=admin] .admin-page-heading p{font-size:14px;color:var(--sw-muted)}
body#zhixing[data-view=admin] .admin-page-heading .eyebrow{color:var(--sw-muted)}
body#zhixing[data-view=admin] .admin-status-strip{gap:0;border-block:1px solid var(--sw-ink);margin-bottom:35px}
body#zhixing[data-view=admin] .admin-metric{border:0;border-right:1px solid var(--sw-line);background:none;box-shadow:none;padding:25px 30px;display:block}
body#zhixing[data-view=admin] .admin-metric:last-child{border:0}
body#zhixing[data-view=admin] .metric-icon{display:none}
body#zhixing[data-view=admin] .admin-metric strong{font-size:62px;font-family:Arial,sans-serif;font-weight:750;color:var(--sw-ink);line-height:1.15}
body#zhixing[data-view=admin] .admin-metric div>span{font-size:17px;font-weight:750;color:var(--sw-ink);margin-top:12px}
body#zhixing[data-view=admin] .admin-metric small{font-size:11px;color:var(--sw-muted);margin-top:6px}
body#zhixing[data-view=admin] .admin-overview-grid{grid-template-columns:minmax(0,1.8fr) minmax(240px,1fr);gap:28px}
body#zhixing[data-view=admin] .admin-panel{background:none;border:0;padding:0;border-radius:0;box-shadow:none}
body#zhixing[data-view=admin] .admin-panel-heading h2{font-size:24px;font-weight:850;color:var(--sw-ink)}
body#zhixing[data-view=admin] .admin-panel-heading .eyebrow{color:var(--sw-muted)}
body#zhixing[data-view=admin] .panel-note{color:var(--sw-muted)}
body#zhixing[data-view=admin] .admin-health{border-left:1px solid var(--sw-line);padding-left:26px}
body#zhixing[data-view=admin] .health-summary{color:var(--sw-ink);font-size:10px}
body#zhixing[data-view=admin] .health-summary i{background:var(--sw-ink)}
body#zhixing[data-view=admin] .health-row{border-color:var(--sw-line)}
body#zhixing[data-view=admin] .health-row strong{color:var(--sw-ink)}
body#zhixing[data-view=admin] .health-row small{color:var(--sw-muted)}
body#zhixing[data-view=admin] .health-icon{background:#e9e7df;color:var(--sw-ink);border-radius:0}
body#zhixing[data-view=admin] .admin-info{background:#e9e7df;color:var(--sw-ink);border-radius:0}
body#zhixing[data-view=admin] .admin-info p{color:var(--sw-muted)}
body#zhixing[data-view=admin] .panel{border:0;border-top:1px solid var(--sw-ink);padding:0;background:none;border-radius:0;box-shadow:none;overflow:hidden}
body#zhixing[data-view=admin] .table-scroll{max-width:100%;overflow-x:auto}
body#zhixing[data-view=admin] table{border-collapse:collapse;width:100%;font-size:12px;text-align:left}
body#zhixing[data-view=admin] th{background:#e5e3dc;color:var(--sw-ink);font-weight:700;font-size:12px;padding:16px 14px;border-bottom:1px solid var(--sw-ink)}
body#zhixing[data-view=admin] td{padding:20px 14px;color:var(--sw-ink);border-bottom:1px solid var(--sw-line);font-size:12px;line-height:1.8;overflow-wrap:anywhere;max-width:420px}
body#zhixing[data-view=admin] .admin-table{min-width:550px}
body#zhixing[data-view=admin] .admin-empty{border-block:1px solid var(--sw-line);padding:40px 18px;color:var(--sw-muted);background:none}
body#zhixing[data-view=admin] .status-chip{border-radius:0;background:#e9e7df;color:#353532;border:1px solid #bbb9af}
body#zhixing[data-view=admin] .status-chip.warning,body#zhixing[data-view=admin] .status-chip.danger{color:#b72b20;background:#fff1e8;border-color:#e1b2a3}
@media(max-width:1100px){
#zhixing .question-layout{grid-template-columns:minmax(0,1fr) 280px;gap:25px}
#zhixing .study-aside{padding-left:24px}
#zhixing .study-aside .mentor-note h2{font-size:30px}
#zhixing .workspace{padding-inline:32px}
#zhixing .step-nav{padding-inline:32px}
#zhixing .workspace .mode-grid{grid-template-columns:1fr 1fr}
#zhixing .workspace .mode-card{min-height:95px}
#zhixing .workspace .page-heading h1{font-size:36px}
#zhixing .diagnosis-v5-grid{gap:25px}
#zhixing .workspace .diagnosis-plan{padding:24px}
#zhixing .practice-layout{grid-template-columns:minmax(0,1.5fr) minmax(280px,1fr)}
body#zhixing[data-view=auth] .auth-story{padding:45px 32px}
body#zhixing[data-view=auth] .auth-panel{padding:50px 35px}
body#zhixing[data-view=admin] .admin-main{padding:35px 28px}
body#zhixing[data-view=admin] .admin-overview-grid{grid-template-columns:1fr}
body#zhixing[data-view=admin] .admin-health{border-left:0;border-top:1px solid var(--sw-line);padding:25px 0 0}
#zhixing .workspace .answer-comparison{grid-template-columns:1fr}
#zhixing .workspace .answer-comparison article.after{padding:16px 0 0;border:0;border-top:1px solid var(--sw-line)}
#zhixing .workspace .answer-comparison>span{transform:rotate(90deg);justify-self:start}}
@media(max-width:760px){
body#zhixing:not([data-view=landing]) .site-header{height:auto;min-height:66px;padding:13px 20px;gap:12px;flex-wrap:wrap}
body#zhixing:not([data-view=landing]) .site-header .brand{font-size:22px}
body#zhixing:not([data-view=landing]) .site-header .header-actions{gap:12px;margin-left:auto}
body#zhixing:not([data-view=landing]) .site-header .main-nav{display:flex;order:3;width:100%;margin:0;gap:24px;font-size:12px}
body#zhixing:not([data-view=landing]) .site-header .main-nav a{padding:5px 0 10px}
body#zhixing:not([data-view=landing]) .site-header .avatar{display:none}
body#zhixing:not([data-view=landing]) .site-header .user-name{max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:11px}
body#zhixing:not([data-view=landing]) .header-actions .text-button{font-size:11px}
body#zhixing:not([data-view=landing]) .site-header .button{font-size:11px;min-height:38px;padding:9px 12px}
body#zhixing:not([data-view=landing]) .site-header .header-context{display:none}
body#zhixing:not([data-view=landing]) .site-footer{padding:20px;flex-wrap:wrap;font-size:9px}
#zhixing .step-nav{padding:8px 20px 0;display:flex;gap:16px;overflow:auto;max-width:100%;scrollbar-width:thin}
#zhixing .step-nav .step{min-width:130px;flex-shrink:0;padding-bottom:12px;gap:8px}
#zhixing .step-nav .step-number{font-size:20px;width:24px}
#zhixing .step-nav .step strong{font-size:12px}
#zhixing .step-nav .step small{font-size:9px}
#zhixing .workspace{padding:30px 20px 45px}
#zhixing .workspace .page-heading{display:block;margin-bottom:26px}
#zhixing .workspace .page-heading h1{font-size:30px;margin-top:13px;line-height:1.4}
#zhixing .workspace .page-heading p{font-size:13px}
#zhixing .workspace .heading-stamp,#zhixing .workspace .context-note{display:none}
#zhixing .workspace .page-heading>.badge,#zhixing .workspace .page-heading>.button,#zhixing .workspace .page-heading>.completion-mark{margin-top:20px}
#zhixing .workspace .eyebrow{font-size:10px}
#zhixing .question-layout,#zhixing .diagnosis-v5-grid,#zhixing .explore-layout,#zhixing .practice-layout,#zhixing .reflection-layout{grid-template-columns:1fr;gap:24px}
#zhixing .question-layout .study-aside{border-left:0;border-top:1px solid var(--sw-ink);padding:25px 0 0}
#zhixing .study-aside .mentor-note h2{font-size:31px}
#zhixing .sw-app-photo img{height:240px}
#zhixing .workspace .mode-grid{grid-template-columns:1fr 1fr;gap:9px}
#zhixing .workspace .mode-card{padding:15px 11px}
#zhixing .workspace .mode-card small{font-size:9px}
#zhixing .workspace .panel-heading{flex-wrap:wrap;gap:8px}
#zhixing .workspace .panel-heading h2{font-size:17px}
#zhixing .workspace .field-note{display:block;margin:7px 0 0;font-size:10px}
#zhixing .workspace .form-bottom{align-items:start;flex-direction:column}
#zhixing .workspace .form-bottom .button{width:100%}
#zhixing .workspace .materials summary>span{line-height:1.7}
#zhixing .workspace .panel{padding:20px 18px}
#zhixing .workspace .diagnosis-report{padding:0}
#zhixing .workspace .diagnosis-finding{grid-template-columns:48px minmax(0,1fr);gap:14px;padding:22px 0}
#zhixing .workspace .finding-number{font-size:40px}
#zhixing .workspace .diagnosis-finding h3{font-size:21px}
#zhixing .workspace .diagnosis-finding p{font-size:13px}
#zhixing .workspace .diagnosis-question{padding-left:16px}
#zhixing .workspace .diagnosis-question strong{font-size:18px;line-height:1.7}
#zhixing .workspace .diagnosis-plan{order:0;padding:24px}
#zhixing .workspace .diagnosis-plan h2{font-size:24px}
#zhixing .workspace .knowledge-chain{grid-template-columns:1fr;gap:0}
#zhixing .workspace .knowledge-chain button{padding:13px 16px;display:flex;gap:18px}
#zhixing .workspace .knowledge-chain button>span{font-size:26px}
#zhixing .workspace .knowledge-chain button small{font-size:10px}
#zhixing .workspace .knowledge-chain button strong{font-size:15px}
#zhixing .workspace .role-reading h2{font-size:26px}
#zhixing .sw-reading-figure{width:35%;margin-left:16px}
#zhixing .sw-reading-figure .sw-reading-image{height:140px}
#zhixing .sw-reading-figure.has-web-image{width:100%;margin:14px 0 16px}
#zhixing .sw-reading-figure.has-web-image .sw-reading-image{max-height:220px;height:auto}
#zhixing .sw-reading-figure.has-web-image img{max-height:200px}
#zhixing .workspace .lead-text{font-size:15px}
#zhixing .workspace .read-list{font-size:13px}
#zhixing .workspace .sources h2{font-size:25px}
#zhixing .workspace .case-panel summary{align-items:start}
#zhixing .workspace .case-panel summary strong{font-size:14px}
#zhixing .workspace .case-panel summary>span:last-child{font-size:10px}
#zhixing .workspace .evidence-grid{grid-template-columns:1fr}
#zhixing .workspace .practice-item h2{font-size:18px}
#zhixing .workspace .options div{font-size:13px}
#zhixing .workspace .answer-panel{position:static;padding:25px 0 0;border-left:0;border-top:1px solid var(--sw-ink)}
#zhixing .workspace .answer-panel h2{font-size:27px}
#zhixing .workspace .reflection-layout h2{font-size:24px}
#zhixing .workspace .answer-comparison{grid-template-columns:1fr}
#zhixing .workspace .answer-comparison p{font-size:13px}
#zhixing .workspace .transfer-card{padding:26px 20px}
#zhixing .workspace .transfer-card h2{font-size:25px}
#zhixing .workspace .transfer-card .button{font-size:12px;white-space:normal;text-align:left}
#zhixing .workspace .step-footer{flex-direction:column;align-items:stretch}
#zhixing .workspace .step-footer>span{font-size:10px}
#zhixing .workspace .step-footer>.button{width:100%}
#zhixing .sw-history-layout{grid-template-columns:1fr;margin-top:25px}
#zhixing .workspace .history-summary{padding:23px}
#zhixing .workspace .history-summary strong{font-size:70px;margin:15px 0}
#zhixing .workspace .history-summary strong small{display:inline;font-size:15px}
#zhixing .workspace .history-summary p{max-width:none}
#zhixing .workspace .history-card{padding:25px 0;min-height:160px}
#zhixing .workspace .history-card h2{font-size:21px}
#zhixing .workspace .history-card-bottom{gap:12px;flex-wrap:wrap}
#zhixing .workspace .history-grid .empty-state{padding:35px 18px}
#zhixing .sw-history-banner{grid-template-columns:1fr}
#zhixing .sw-history-banner img{height:210px}
#zhixing .sw-history-banner div{padding:24px}
#zhixing .sw-history-banner h2{font-size:23px}
body#zhixing[data-view=auth] .site-header .main-nav{display:none}
body#zhixing[data-view=auth] .auth-layout{grid-template-columns:1fr}
body#zhixing[data-view=auth] .auth-story{padding:35px 20px 25px}
body#zhixing[data-view=auth] .auth-story h1{font-size:33px;margin:18px 0}
body#zhixing[data-view=auth] .auth-story>p{font-size:13px}
#zhixing .sw-auth-photo{margin-top:25px}
#zhixing .sw-auth-photo img{height:230px}
body#zhixing[data-view=auth] .auth-panel{border:0;border-top:1px solid var(--sw-line);padding:35px 20px 45px}
body#zhixing[data-view=auth] .auth-box h2{font-size:27px}
body#zhixing[data-view=auth] .auth-box>.muted{font-size:12px;margin-bottom:25px}
body#zhixing[data-view=auth] .auth-footnote{margin-top:30px}
body#zhixing[data-view=admin] .admin-layout{grid-template-columns:1fr}
body#zhixing[data-view=admin] .admin-sidebar{padding:20px}
body#zhixing[data-view=admin] .admin-sidebar-brand h2{font-size:20px;margin-bottom:0}
body#zhixing[data-view=admin] .admin-sidebar-brand p,body#zhixing[data-view=admin] .admin-sidebar-brand .eyebrow{display:none}
body#zhixing[data-view=admin] .admin-sidebar nav{display:flex;overflow-x:auto;gap:6px;margin-top:18px;padding:0}
body#zhixing[data-view=admin] .admin-sidebar nav a{min-width:108px;white-space:nowrap;padding:12px;font-size:12px}
body#zhixing[data-view=admin] .admin-sidebar nav a span{display:none}
body#zhixing[data-view=admin] .admin-main{padding:28px 20px 45px}
body#zhixing[data-view=admin] .admin-page-heading h1{font-size:32px}
body#zhixing[data-view=admin] .admin-page-heading p{font-size:13px}
body#zhixing[data-view=admin] .admin-page-heading{margin-bottom:25px;display:block}
body#zhixing[data-view=admin] .admin-heading-actions{margin-top:20px}
body#zhixing[data-view=admin] .admin-heading-actions .button{width:auto}
body#zhixing[data-view=admin] .admin-status-strip{grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:28px}
body#zhixing[data-view=admin] .admin-metric{padding:20px 10px}
body#zhixing[data-view=admin] .admin-metric:first-child{padding-left:0}
body#zhixing[data-view=admin] .admin-metric strong{font-size:40px}
body#zhixing[data-view=admin] .admin-metric div>span{font-size:12px;margin-top:8px}
body#zhixing[data-view=admin] .admin-metric small{display:none}
body#zhixing[data-view=admin] .admin-panel-heading h2{font-size:23px}
body#zhixing[data-view=admin] .admin-overview-grid{gap:25px}
body#zhixing[data-view=admin] td{font-size:11px;padding:14px 10px}
body#zhixing[data-view=admin] th{font-size:11px;padding:12px 10px}
body#zhixing[data-view=admin] .site-header .main-nav{display:none}}
body[data-view=landing]{background:var(--sw-paper);color:var(--sw-ink)}
body[data-view=landing]::before{display:none}
.sw-landing,.sw-header,.sw-footer{font-family:"Noto Sans SC","Microsoft YaHei",sans-serif;letter-spacing:0;line-height:1.6}
.sw-landing{overflow:clip}.sw-landing *,.sw-header *,.sw-footer *{box-sizing:border-box}
.sw-wrap{width:min(100% - 96px,1440px);margin-inline:auto}
.sw-header{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:0 48px;background:var(--sw-paper);border-bottom:1px solid var(--sw-ink);position:sticky;top:0;z-index:30;color:var(--sw-ink)}
.sw-brand{font-size:26px;font-weight:900;letter-spacing:-.06em;white-space:nowrap}
.sw-header nav{display:flex;gap:36px;margin-left:auto;margin-right:auto;font-size:14px;font-weight:600}
.sw-header a:hover,.sw-footer a:hover{color:var(--sw-red)}
.sw-header-actions{display:flex;align-items:center;gap:28px;font-size:14px}
.sw-button{display:inline-flex;align-items:center;justify-content:center;gap:22px;padding:18px 26px;min-height:56px;background:var(--sw-red);color:#fff;font-size:16px;font-weight:700;border:1px solid var(--sw-red);line-height:1.3;white-space:nowrap}
.sw-button:hover{background:#b72b20;color:#fff!important;transform:none}
.sw-button svg,.sw-text-link svg,.sw-section-end svg,.sw-red-rule svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;flex-shrink:0}
.sw-header .sw-button{min-height:44px;padding:12px 20px;font-size:14px;gap:15px}
.sw-kicker,.sw-folio{font-family:"Noto Sans SC",Arial,sans-serif;font-size:12px;font-weight:600;letter-spacing:.12em}
.sw-hero{display:grid;grid-template-columns:1fr 1fr;gap:0 24px;padding-top:50px}
.sw-hero-copy{padding-top:14px;z-index:1}
.sw-hero h1{font-size:clamp(64px,6.6vw,104px);font-weight:900;line-height:1.12;letter-spacing:-.065em;margin:34px -80px 40px 0;position:relative}
.sw-hero h1 span{display:inline-block;border-bottom:10px solid var(--sw-red);padding-bottom:10px}
.sw-lead{font-size:clamp(17px,1.65vw,25px);font-weight:650;letter-spacing:-.04em;margin:0 0 15px}
.sw-quiet{color:var(--sw-muted);font-size:15px}.sw-mobile-br{display:none}
.sw-actions{display:flex;align-items:center;gap:38px;margin-top:38px}
.sw-text-link{display:inline-flex;align-items:center;gap:14px;font-size:15px;font-weight:700;border-bottom:1px solid currentColor;padding-block:6px}
.sw-hero-art{margin:0;display:flex;flex-direction:column;justify-content:center;min-width:0;align-self:stretch}
.sw-hero-art img{display:block;width:112%;max-width:none;height:auto;margin-left:-6%;mix-blend-mode:multiply}
.sw-hero-art figcaption{font-size:12px;text-align:right;margin-top:25px;letter-spacing:.04em}
.sw-hero-index{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);margin-top:55px;padding:28px 0 30px;border-top:1px solid var(--sw-ink)}
.sw-hero-index>div{display:flex;align-items:start;gap:28px;border-right:1px solid var(--sw-line);padding-right:20px;margin-right:24px}
.sw-hero-index>div:last-child{border:0;margin:0}.sw-hero-index>div>span{font-size:32px;font-weight:700;line-height:1.3}
.sw-hero-index p{margin:0}.sw-hero-index strong{font-size:17px;font-weight:700}.sw-hero-index small{display:block;color:var(--sw-muted);margin-top:6px;font-size:12px}
.sw-section{padding-top:90px;padding-bottom:70px;scroll-margin-top:85px}
.sw-folio{display:flex;justify-content:space-between;border-top:1px solid var(--sw-ink);padding-top:15px;gap:20px}
.sw-section-heading{display:grid;grid-template-columns:1.4fr 1fr;align-items:end;gap:55px;margin:45px 0 42px}
.sw-section-heading h2,.sw-workspace-copy h2{font-size:clamp(34px,4.7vw,70px);font-weight:900;line-height:1.22;letter-spacing:-.06em;margin:0}
.sw-section-heading>p{font-size:18px;max-width:455px;justify-self:end;margin:0 0 8px}.sw-section-heading small{display:block;font-size:12px;margin-top:30px}
.sw-triptych{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.sw-photo{height:330px;overflow:hidden;position:relative;background:#e7e4db}
.sw-photo img{height:100%;width:100%;display:block;object-fit:cover}
.sw-photo.sw-crop-left img,.sw-photo.sw-crop-right img{width:200%;max-width:none;object-fit:cover}
.sw-photo.sw-crop-right img{transform:translateX(-50%)}
.sw-caption{display:flex;gap:22px;align-items:center;border-top:1px solid var(--sw-ink);margin-top:25px;padding-top:16px}
.sw-caption>span,.sw-chain h3 span{color:var(--sw-red);font-weight:700;font-size:19px}.sw-caption h3{font-size:23px;font-weight:800;letter-spacing:-.04em;margin:0}
.sw-triptych article>p{font-size:15px;margin:15px 0 0}.sw-red-rule{border-top:1px solid var(--sw-red);position:relative;margin-top:38px;color:var(--sw-red)}.sw-red-rule svg{position:absolute;right:0;top:-12px;transform:rotate(45deg)}
.sw-chain{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}
.sw-chain article{border-left:1px solid var(--sw-ink);padding-left:26px}
.sw-chain h3{font-size:19px;display:flex;gap:24px;align-items:center;font-weight:750;letter-spacing:-.02em;margin:10px 0 20px}
.sw-chain .sw-photo{height:285px}.sw-chain article>p{font-size:18px;margin:16px 0}
.sw-section-end{display:flex;justify-content:space-between;align-items:center;border-block:1px solid var(--sw-ink);padding:25px 0;margin-top:26px;gap:24px}
.sw-section-end>strong{font-size:27px;letter-spacing:-.04em}.sw-section-end>a{display:flex;align-items:center;gap:30px;font-size:17px}
.sw-workspace-section{background:var(--sw-ink);color:var(--sw-paper);padding:45px 0 75px;margin-top:25px;scroll-margin-top:78px}
.sw-workspace-section .sw-folio{border-color:#777}.sw-workspace-grid{display:grid;grid-template-columns: .83fr 1.35fr;gap:50px;margin-top:55px;align-items:start}
.sw-workspace-copy h2{font-size:clamp(30px,3.3vw,50px);margin:18px 0 30px}.sw-workspace-copy>p{color:#c6c5bf;font-size:17px;max-width:350px}
.sw-workspace-copy ol{list-style:none;padding:0;max-width:300px;margin:65px 0 0}
.sw-workspace-copy li{border-top:1px solid #777;display:flex;gap:24px;padding:20px 0;font-size:20px}.sw-workspace-copy li:first-child{color:#ff806a}.sw-workspace-copy li span{font-weight:600}
.sw-product-preview{background:var(--sw-paper);color:var(--sw-ink);min-width:0;padding:26px 28px 16px}
.sw-preview-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--sw-ink);padding-bottom:20px;font-size:12px}.sw-preview-top strong{font-size:20px}.sw-preview-top strong span{font-size:13px;margin-left:12px;font-weight:500}
.sw-preview-steps{font-size:11px;padding:20px 0;border-bottom:1px solid var(--sw-line);color:var(--sw-red)}.sw-preview-steps span{color:var(--sw-muted);margin-left:10px}
.sw-product-preview h3{font-size:31px;font-weight:800;letter-spacing:-.05em;margin:30px 0}
.sw-preview-question{display:grid;grid-template-columns:1fr .48fr;gap:22px}.sw-field-label{display:block;font-size:12px;margin-bottom:8px}
.sw-preview-question>div>p{border:1px solid #a7a59d;padding:15px;font-size:13px;min-height:68px;margin-bottom:22px}.sw-preview-question aside{border-left:1px solid var(--sw-line);padding-left:20px}.sw-preview-question aside>div{padding:12px 6px;border-bottom:1px solid var(--sw-line);font-size:12px}
.sw-preview-question .sw-button{font-size:12px;min-height:42px;padding:12px;gap:10px;margin-top:24px;width:100%}.sw-preview-question .sw-button svg{width:16px}
.sw-preview-photo{height:145px;overflow:hidden;margin:14px -28px -1px}.sw-preview-photo img{width:100%;height:100%;object-fit:cover;object-position:center 44%}.sw-preview-note{display:block;font-size:10px;padding-top:12px;color:var(--sw-muted)}
.sw-sources-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:22px}.sw-source-photo img{width:100%;height:100%;max-height:610px;object-fit:cover;display:block}
.sw-source-panels{display:grid;gap:18px}.sw-source-panels article{border:1px solid var(--sw-ink);padding:25px 28px}.sw-panel-title{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--sw-line);padding-bottom:18px;margin-bottom:25px;gap:15px}.sw-panel-title h3{font-size:28px;font-weight:800;margin:0;letter-spacing:-.05em}.sw-panel-title>span{font-size:12px}
.sw-source-panels h4{font-size:24px;letter-spacing:-.04em;margin:10px 0}.sw-source-panels p{font-size:14px;margin:18px 0}.sw-source-panels .sw-text-link{color:#b72b20;font-size:14px}.sw-source-panels small{font-size:11px}
.sw-answer-compare{display:grid;grid-template-columns:1fr 24px 1fr;gap:18px}.sw-answer-compare span{font-size:13px}.sw-answer-compare p{padding:14px;background:#eae9e3;margin:10px 0 18px;min-height:87px}.sw-answer-compare>b{align-self:center;color:var(--sw-red);font-size:28px;font-weight:400}
.sw-final{background:#e54835;color:#101010;padding:42px 0 65px;margin-top:25px}.sw-final .sw-folio{border:0;padding-top:0}.sw-final .sw-folio span:last-child{display:none}
.sw-final-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:70px;margin-top:55px;align-items:center}.sw-final h2{font-size:clamp(52px,6.4vw,94px);font-weight:900;letter-spacing:-.07em;line-height:1.2;margin:0 0 30px}.sw-final p{font-size:22px;letter-spacing:-.03em}.sw-final .sw-actions{gap:26px;font-size:14px}.sw-button-light{background:var(--sw-paper);color:#181818;border-color:var(--sw-paper)}.sw-button-light:hover{background:#fff;color:#181818!important}
.sw-final figure{margin:0}.sw-final img{width:100%;height:350px;display:block;object-fit:cover;object-position:58% 50%}.sw-final figcaption{background:var(--sw-paper);padding:17px 23px;font-size:15px}
.sw-footer{padding-top:50px;padding-bottom:30px}.sw-footer>div{display:flex;gap:40px;align-items:center;justify-content:space-between}.sw-footer>div:first-child{padding-bottom:30px;border-bottom:1px solid var(--sw-ink)}.sw-footer .sw-brand{font-size:48px;line-height:1}.sw-footer p{font-size:11px;letter-spacing:.15em;margin:0 auto 0 0;border-left:1px solid var(--sw-ink);padding-left:28px}.sw-footer nav{display:flex;gap:40px;font-size:16px}.sw-footer>div:last-child{padding-top:20px;color:var(--sw-muted)}.sw-footer small{font-size:10px;letter-spacing:.07em}
.sw-landing a:focus-visible,.sw-header a:focus-visible,.sw-footer a:focus-visible{outline:3px solid #a9281d;outline-offset:5px}
@media(min-width:1600px){.sw-hero h1{font-size:110px}.sw-hero-art img{width:115%;margin-left:-5%}}
@media(max-width:1100px){.sw-wrap{width:calc(100% - 64px)}.sw-header{padding-inline:32px}.sw-header nav{gap:22px}.sw-hero h1{font-size:68px}.sw-hero .sw-lead{font-size:19px}.sw-hero .sw-quiet{font-size:12px}.sw-actions{gap:22px}.sw-photo{height:260px}.sw-chain{gap:20px}.sw-chain article{padding-left:18px}.sw-chain h3{font-size:15px;gap:15px}.sw-chain .sw-photo{height:230px}.sw-workspace-grid{gap:28px;grid-template-columns:.8fr 1.2fr}.sw-product-preview{padding:22px 20px 14px}.sw-preview-photo{margin-inline:-20px}.sw-preview-question{grid-template-columns:1fr}.sw-preview-question aside{display:none}.sw-final-grid{gap:40px}.sw-final .sw-actions{flex-wrap:wrap;gap:20px}.sw-source-panels article{padding:20px}.sw-answer-compare{gap:10px}.sw-section-heading{gap:30px}.sw-footer .sw-brand{font-size:35px}.sw-footer nav{gap:22px}}
@media(max-width:760px){.sw-wrap{width:calc(100% - 40px)}.sw-header{height:68px;padding-inline:20px;gap:12px}.sw-header .sw-brand{font-size:22px}.sw-header nav,.sw-login{display:none}.sw-header-actions{margin-left:auto}.sw-header .sw-button{min-height:42px;padding:10px 14px;font-size:12px;gap:12px}.sw-hero{grid-template-columns:1fr;padding-top:30px;gap:0}.sw-kicker{font-size:10px}.sw-hero h1{font-size:clamp(43px,9.5vw,68px);margin:25px 0 26px}.sw-hero h1>br:nth-of-type(2){display:none}.sw-hero h1 span{border-bottom-width:6px;padding-bottom:7px}.sw-hero .sw-lead{font-size:17px;line-height:1.8}.sw-quiet{font-size:11px!important}.sw-mobile-br{display:block}.sw-actions{margin-top:25px;gap:22px}.sw-button{min-height:48px;font-size:13px;padding:15px 20px;gap:16px}.sw-text-link{font-size:13px}.sw-hero-art{margin-top:26px}.sw-hero-art img{width:100%;margin:0;max-height:365px;object-fit:cover}.sw-hero-art figcaption{font-size:10px;margin-top:12px}.sw-hero-index{grid-template-columns:1fr;margin-top:26px;padding-block:12px}.sw-hero-index>div{border-right:0;margin:0;padding:12px 0;gap:24px;border-bottom:1px solid var(--sw-line)}.sw-hero-index>div>span{font-size:25px}.sw-hero-index p{display:flex;flex-wrap:wrap;align-items:center;gap:4px 15px}.sw-hero-index strong{font-size:14px}.sw-hero-index small{font-size:11px;margin:0}.sw-section{padding-top:48px;padding-bottom:25px;scroll-margin-top:72px}.sw-folio{font-size:9px;letter-spacing:.09em;padding-top:12px}.sw-section-heading{display:block;margin:28px 0}.sw-section-heading h2{font-size:clamp(30px,7.7vw,46px);letter-spacing:-.05em}.sw-section-heading>p{font-size:14px;margin-top:22px;max-width:none}.sw-section-heading small{margin-top:14px}.sw-triptych{grid-template-columns:1fr;gap:30px}.sw-photo{height:auto;aspect-ratio:1.45}.sw-caption{margin-top:14px;padding-top:13px;gap:18px}.sw-caption h3{font-size:22px}.sw-triptych article>p{margin-top:9px;font-size:14px}.sw-red-rule{margin-top:26px}.sw-chain{grid-template-columns:1fr;gap:24px}.sw-chain article{padding-left:16px}.sw-chain h3{font-size:18px;margin:0 0 16px}.sw-chain .sw-photo{height:auto;aspect-ratio:1.5}.sw-chain article>p{font-size:16px;margin-bottom:0}.sw-section-end{display:block;padding:20px 0}.sw-section-end>strong{font-size:21px}.sw-section-end>a{margin-top:15px;font-size:14px;justify-content:space-between}.sw-workspace-section{padding:30px 0 40px;scroll-margin-top:68px;margin-top:28px}.sw-workspace-grid{grid-template-columns:1fr;margin-top:28px;gap:28px}.sw-workspace-copy h2{font-size:30px;margin-top:0;margin-bottom:20px}.sw-workspace-copy>p{font-size:14px;max-width:none}.sw-workspace-copy ol{display:grid;grid-template-columns:1fr 1fr;gap:0 22px;max-width:none;margin-top:25px}.sw-workspace-copy li{font-size:14px;padding:12px 0;gap:12px}.sw-product-preview{padding:20px 16px 12px}.sw-preview-top strong{font-size:18px}.sw-preview-top strong span{font-size:10px;margin-left:5px}.sw-preview-top>span{font-size:10px}.sw-preview-steps{font-size:10px;line-height:1.8;padding-block:14px}.sw-preview-steps span{margin:0}.sw-product-preview h3{font-size:25px;margin-block:23px}.sw-preview-question{display:block}.sw-preview-question>div>p{font-size:12px;min-height:60px}.sw-preview-question aside{display:block;border:0;padding:0}.sw-preview-question aside>div,.sw-preview-question aside>.sw-field-label{display:none}.sw-preview-question .sw-button{margin-top:0}.sw-preview-photo{margin-inline:-16px;margin-top:22px;height:130px}.sw-preview-note{font-size:9px}.sw-sources-grid{grid-template-columns:1fr}.sw-source-photo img{height:280px;max-height:none}.sw-source-panels article{padding:20px}.sw-panel-title h3{font-size:24px}.sw-source-panels h4{font-size:21px}.sw-answer-compare{gap:12px}.sw-answer-compare p{font-size:13px;padding:12px;min-height:115px}.sw-final{padding:28px 0 40px;margin-top:35px}.sw-final-grid{grid-template-columns:1fr;gap:32px;margin-top:33px}.sw-final h2{font-size:clamp(45px,11vw,70px);margin-bottom:22px}.sw-final p{font-size:17px}.sw-final .sw-actions{gap:22px;font-size:13px}.sw-final img{height:250px}.sw-final figcaption{font-size:12px;padding:15px}.sw-footer{padding-top:32px;padding-bottom:24px}.sw-footer>div{flex-wrap:wrap;gap:20px}.sw-footer .sw-brand{font-size:33px}.sw-footer p{font-size:9px;padding-left:17px}.sw-footer nav{width:100%;gap:28px;font-size:13px}.sw-footer>div:last-child{gap:10px}.sw-footer small{font-size:8px}}
/* Final application details and contained narrow-screen data tables. */
#zhixing .question-layout>form>.panel::before,#zhixing .site-header.student+.step-nav::before,#zhixing .step.current::after{display:none}
#zhixing .workspace .mode-icon{background:none;border-radius:0;color:var(--sw-ink)}
#zhixing .workspace label{font-size:14px}
#zhixing .workspace .plan-note strong{color:var(--sw-ink);font-size:13px}
#zhixing .workspace .plan-note p,#zhixing .workspace .diagnosis-plan-list small{color:var(--sw-muted);font-size:12px}
#zhixing .workspace .step-footer>span{color:var(--sw-muted)}
#zhixing .explore-layout{align-items:start}
#zhixing .workspace .sources{max-height:740px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#aaa99f transparent}
#zhixing .workspace .role-reading{min-height:0}
#zhixing .admin-layout,#zhixing .admin-sidebar,#zhixing .admin-main,#zhixing .admin-overview-grid,#zhixing .admin-panel,#zhixing #adminContent{min-width:0;max-width:100%}
#zhixing .admin-sidebar nav{min-width:0;max-width:100%}
#zhixing .admin-main{width:100%}
#zhixing .site-header .brand-copy{font-weight:900}
@media(max-width:760px){body#zhixing[data-view=admin] .admin-layout{grid-template-columns:minmax(0,1fr);width:100%}body#zhixing[data-view=admin] .admin-sidebar{width:100%;overflow:hidden}body#zhixing[data-view=admin] .admin-sidebar nav{overflow-x:auto;width:100%}#zhixing .workspace .sources{max-height:560px}#zhixing .workspace .field-note{font-size:11px}#zhixing .workspace .panel-heading .muted{font-size:11px}}
#zhixing .step-nav{box-shadow:none}
#zhixing .site-header .main-nav a{color:var(--sw-ink)}
#zhixing .workspace .heading-stamp{display:none}
@media(max-width:760px){body#zhixing[data-view=auth] .auth-layout{align-items:start;align-content:start;min-height:calc(100svh - 66px)}body#zhixing[data-view=auth] .auth-story{padding:26px 20px 22px}body#zhixing[data-view=auth] .auth-story h1{font-size:25px;margin:0;line-height:1.5}body#zhixing[data-view=auth] .auth-story>.eyebrow,body#zhixing[data-view=auth] .auth-story>p,body#zhixing[data-view=auth] .auth-story>small,body#zhixing[data-view=auth] .sw-auth-photo{display:none}body#zhixing[data-view=auth] .auth-panel{display:block;padding-top:30px}body#zhixing[data-view=auth] .auth-box h2{font-size:25px}}
/* Interactive landing example: each phase has a real, accessible panel. */
.sw-workspace-copy li:first-child{color:inherit}
.sw-workspace-copy li{padding:0}
.sw-workspace-copy [role=tab]{width:100%;display:flex;gap:24px;align-items:center;background:transparent;color:#f4f3ee;text-align:left;padding:20px 10px 20px 0;border:0;font-size:20px;line-height:1.6;font-weight:500;cursor:pointer}
.sw-workspace-copy [role=tab]:hover{background:#292929}
.sw-workspace-copy [role=tab][aria-selected=true]{color:#ff806a}
.sw-workspace-copy [role=tab]:focus-visible{outline:2px solid #ff806a;outline-offset:4px}
.sw-demo-panel[hidden]{display:none}
.sw-demo-panel{min-height:415px}
.sw-preview-steps{display:flex;align-items:center;gap:10px;flex-wrap:wrap;color:#76746d}
.sw-preview-steps span{margin:0;color:#76746d}
.sw-preview-steps span.is-active{color:#b72b20;font-weight:700}
.sw-preview-steps i{font-style:normal;color:#929087}
.sw-demo-intro{font-size:14px;color:#64635f;line-height:1.8;margin-bottom:25px}
.sw-demo-chain{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:25px 0 30px}
.sw-demo-chain article{border-top:2px solid #dd3d2c;border-bottom:1px solid #c8c7c0;padding:16px 0 12px}
.sw-demo-chain article>span{font-size:25px;color:#b72b20;font-family:Arial,sans-serif}
.sw-demo-chain h4{font-size:14px;line-height:1.6;margin:14px 0 10px}
.sw-demo-chain p{font-size:12px;color:#64635f;line-height:1.8}
.sw-demo-source{padding:18px 20px;margin:24px 0;background:#e9e7df;border-left:3px solid #dd3d2c}
.sw-demo-source strong{font-size:15px;line-height:1.8}
.sw-demo-source p{font-size:12px;color:#64635f;line-height:1.8;margin:9px 0 0}
.sw-demo-panel>.sw-button{font-size:13px;min-height:44px;padding:13px 20px;margin-top:10px}
.sw-demo-options{display:grid;gap:11px;margin-top:22px}
.sw-demo-options button{display:flex;align-items:center;gap:16px;width:100%;padding:17px 15px;border:1px solid #b7b5aa;background:#fffefa;text-align:left;font-size:14px;line-height:1.7;cursor:pointer}
.sw-demo-options button>span{font-size:18px;font-family:Arial,sans-serif}
.sw-demo-options button:hover{border-color:#b72b20}
.sw-demo-options button[aria-pressed=true]{border-color:#b72b20;background:#f9e9e1;color:#92271c;box-shadow:inset 3px 0 #dd3d2c}
.sw-demo-answer-note{font-size:12px;min-height:44px;line-height:1.8;color:#64635f;margin:18px 0 10px}
.sw-demo-comparison{display:grid;grid-template-columns:1fr 20px 1fr;gap:18px;margin:28px 0}
.sw-demo-comparison article{border-top:1px solid #181818;padding-top:16px}
.sw-demo-comparison p{font-size:14px;line-height:1.9;margin-top:15px}
.sw-demo-comparison>span{color:#b72b20;align-self:center;font-size:24px}
.sw-demo-panel :is(button,a):focus-visible{outline:2px solid #b72b20;outline-offset:4px}
@media(max-width:760px){.sw-workspace-copy [role=tab]{font-size:14px;gap:12px;padding:15px 0}.sw-demo-panel{min-height:400px}.sw-demo-chain{grid-template-columns:1fr;gap:12px}.sw-demo-chain article{padding:12px 0;display:grid;grid-template-columns:35px 1fr;gap:5px 12px}.sw-demo-chain h4{margin:3px 0 0}.sw-demo-chain p{grid-column:2;margin:0}.sw-demo-chain article>span{font-size:23px;grid-row:1/3}.sw-demo-comparison{grid-template-columns:1fr;gap:10px}.sw-demo-comparison>span{transform:rotate(90deg);justify-self:start}.sw-demo-source{padding:15px}.sw-demo-options button{font-size:13px;padding:14px 12px}.sw-preview-steps{gap:6px}.sw-demo-panel>.sw-button{white-space:normal;text-align:left;width:100%}}

/* Editorial motion: one-shot reveals and short interaction feedback. */
/* Writing surface: a quiet paper editor with an explicit submission action. */
#zhixing .quiz-options{display:grid;gap:0;margin:22px 0 12px;border-top:1px solid var(--sw-line)}
#zhixing .workspace .quiz-option{position:relative;display:grid;grid-template-columns:28px minmax(0,1fr) 20px;align-items:center;gap:14px;padding:17px 12px;margin:0;border:1px solid transparent;border-bottom-color:var(--sw-line);cursor:pointer;font-size:14px;font-weight:400;line-height:1.85;transition:background-color 160ms ease,border-color 160ms ease}
#zhixing .quiz-option input{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);padding:0;margin:0;border:0}
#zhixing .quiz-option-letter{display:grid;place-items:center;width:25px;height:25px;border:1px solid #c8c7c0;font-family:Arial,sans-serif;font-size:12px;color:#64635f}
#zhixing .quiz-option-text{overflow-wrap:anywhere}
#zhixing .quiz-option-status{font-size:15px;justify-self:end}
#zhixing .quiz-option:hover{background:#eeede6}
#zhixing .quiz-option:has(input:focus-visible){outline:2px solid #b72b20;outline-offset:3px;z-index:1}
#zhixing .quiz-option:has(input:checked):not(.is-correct):not(.is-wrong){background:#f9ebe3;border-color:#b72b20}
#zhixing .quiz-option:has(input:checked) .quiz-option-letter{background:var(--sw-ink);color:var(--sw-paper);border-color:var(--sw-ink)}
#zhixing .quiz-option.is-correct{background:#edf3ec;border-color:#6f8e75;color:#285235}
#zhixing .quiz-option.is-correct .quiz-option-letter{background:#285235;color:#fff;border-color:#285235}
#zhixing .quiz-option.is-wrong{background:#fbede7;border-color:#c96c58;color:#92271c}
#zhixing .quiz-option.is-wrong .quiz-option-letter{background:#b72b20;color:#fff;border-color:#b72b20}
#zhixing .quiz-selection-hint{font-size:10px;color:#77756e;line-height:1.8;margin:10px 0 0}
#zhixing .quiz-submit{display:inline-flex;align-items:center;justify-content:center;min-height:42px;margin-top:14px;padding:0 24px;border:1px solid var(--sw-ink);background:var(--sw-ink);color:var(--sw-paper);font-size:12px;font-weight:600;letter-spacing:.02em;cursor:pointer;transition:background .15s ease,color .15s ease}
#zhixing .quiz-submit:hover:not(:disabled){background:var(--sw-red);border-color:var(--sw-red)}
#zhixing .quiz-submit:disabled{opacity:.35;cursor:not-allowed}
#zhixing .quiz-submit[hidden]{display:none}
#zhixing .quiz-feedback{border-left:2px solid #b72b20;padding:14px 18px;margin:20px 0;background:#f3eee6}
#zhixing .quiz-feedback[hidden]{display:none}
#zhixing .quiz-feedback[data-correct=true]{border-color:#285235;background:#edf3ec}
#zhixing .quiz-result{display:block;font-size:13px;line-height:1.8}
#zhixing .quiz-feedback-copy{white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px;line-height:1.95;margin:9px 0 0}
#zhixing .quiz-feedback.is-streaming .quiz-feedback-copy::after{content:"";display:inline-block;width:2px;height:1em;background:#b72b20;vertical-align:-.12em;margin-left:4px;animation:quiz-cursor 1.1s ease-in-out infinite}
@keyframes quiz-cursor{0%,100%{opacity:.25}50%{opacity:1}}
#zhixing .quiz-retry{margin-top:14px;font-size:11px}
#zhixing .matching-instruction{font-size:12px;line-height:1.85;color:#64635f;margin:20px 0 14px}
#zhixing .matching-shared-options{padding:16px 20px;background:#eeede6;border-block:1px solid #c8c7c0;display:grid;grid-template-columns:1fr 1fr;gap:10px 24px;font-size:14px}
#zhixing .matching-shared-options>div{display:flex;align-items:baseline;gap:15px;line-height:1.8}
#zhixing .matching-shared-options>div>span{font-family:Arial,sans-serif;font-size:12px;color:#b72b20;font-weight:700}
#zhixing .workspace .matching-stem{display:flex;gap:16px;font-size:15px;font-weight:600;line-height:1.9;margin:25px 0 14px}
#zhixing .matching-stem>span{font-family:Arial,sans-serif;font-size:12px;color:#b72b20;padding-top:4px}
#zhixing .matching-question .quiz-options{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;border:0;margin:14px 0 10px}
#zhixing .matching-question .quiz-option{grid-template-columns:1fr 16px;padding:11px 12px;border:1px solid #c8c7c0;gap:5px;text-align:center;background:#fffefa}
#zhixing .matching-question .quiz-option-letter{display:none}
#zhixing .matching-question .quiz-option.is-correct{background:#edf3ec;border-color:#6f8e75}
#zhixing .matching-question .quiz-option.is-wrong{background:#fbede7;border-color:#c96c58}
@media(max-width:760px){#zhixing .workspace .quiz-option{gap:10px;padding:15px 9px;font-size:13px}#zhixing .matching-shared-options{grid-template-columns:1fr;padding:15px}#zhixing .matching-question .quiz-options{gap:5px}#zhixing .matching-question .quiz-option{padding:12px 7px}#zhixing .quiz-feedback{padding:12px 14px}}
@media(prefers-reduced-motion:reduce){#zhixing .quiz-feedback.is-streaming .quiz-feedback-copy::after{animation:none}}

#zhixing .workspace .answer-panel{position:static;background:var(--sw-white);color:var(--sw-ink);border:1px solid var(--sw-line);border-top:2px solid var(--sw-ink);padding:25px 24px 22px}
#zhixing .workspace .answer-panel>.eyebrow{color:#b72b20;letter-spacing:.14em;font-size:10px}
#zhixing .workspace .answer-panel h2{color:var(--sw-ink);font-size:26px;line-height:1.4;margin:16px 0 12px}
#zhixing .workspace .answer-panel>.muted{color:var(--sw-muted);font-size:12px;line-height:1.85;margin:0 0 24px}
#zhixing .answer-editor{border:1px solid #bcbab1;background:#fffefa;transition:border-color 180ms ease,box-shadow 180ms ease}
#zhixing .answer-editor:focus-within{border-color:#b72b20;box-shadow:0 0 0 2px #dd3d2c0e}
#zhixing .answer-editor-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 15px;border-bottom:1px solid #deddd5;background:#eeede6}
#zhixing .answer-editor-toolbar label{display:block;margin:0;color:#363633;font-size:11px;font-weight:600;letter-spacing:.04em}
#zhixing .answer-editor-toolbar .plain-link{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:500;margin:0;padding:3px 0;white-space:nowrap;background:none;border:0}
#zhixing .answer-editor-toolbar .ui-icon{width:13px;height:13px}
#zhixing .workspace .answer-panel textarea{display:block;box-sizing:border-box;width:100%;min-height:260px;max-height:600px;resize:vertical;border:0;background:transparent;padding:19px 16px;color:var(--sw-ink);font-size:14px;line-height:1.95;margin:0;border-radius:0}
#zhixing .workspace .answer-panel textarea:focus{outline:0;box-shadow:none}
#zhixing .workspace .answer-panel textarea::placeholder{color:#99978f;line-height:1.95}
#zhixing .answer-editor-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 15px;color:#77756e;border-top:1px solid #eeede6;font-size:10px}
#zhixing #answerCount{font-variant-numeric:tabular-nums;white-space:nowrap}
#zhixing .workspace .answer-panel .answer-submit{display:flex;justify-content:space-between;padding-inline:18px;min-height:48px;font-size:12px;margin-top:18px}
#zhixing .workspace .answer-panel .error-text:empty{display:none}
#zhixing .workspace .answer-panel-note{color:#77756e;font-size:10px;line-height:1.8;margin-top:12px}

/* Live generation stages are driven by server events, never elapsed-time estimates. */
#zhixing .generation-progress{margin-top:24px;padding:24px 0 0;border-top:2px solid var(--sw-ink);color:var(--sw-ink)}
#zhixing .generation-progress-heading{display:flex;justify-content:space-between;align-items:center;gap:16px}
#zhixing .generation-progress-heading .eyebrow{font-size:10px;letter-spacing:.12em;color:#b72b20}
#zhixing .generation-elapsed{color:var(--sw-muted);font-size:11px;font-variant-numeric:tabular-nums;white-space:nowrap}
#zhixing .generation-progress h3{font-size:23px;letter-spacing:-.04em;line-height:1.5;margin:19px 0 9px}
#zhixing .generation-detail{font-size:12px;line-height:1.85;color:var(--sw-muted);margin:0;max-width:620px}
#zhixing .generation-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));list-style:none;padding:0;margin:27px 0 0;gap:16px}
#zhixing .generation-steps li{position:relative;border-top:1px solid var(--sw-line);padding-top:15px;display:flex;align-items:start;gap:12px}
#zhixing .generation-step-mark{position:relative;display:grid;place-items:center;width:27px;height:27px;flex-shrink:0;border:1px solid #c8c7c0;color:#8d8b82;font-family:Arial,sans-serif;font-size:12px;font-variant-numeric:tabular-nums}
#zhixing .generation-steps strong{display:block;font-size:11px;font-weight:600;line-height:1.6;color:#8d8b82}
#zhixing .generation-step-state{display:block;font-size:10px;color:#929087;margin-top:6px}
#zhixing .generation-steps [data-state=completed]{border-color:var(--sw-ink)}
#zhixing .generation-steps [data-state=completed] .generation-step-mark{background:var(--sw-ink);border-color:var(--sw-ink);color:var(--sw-paper)}
#zhixing .generation-steps [data-state=completed] strong{color:#363633}
#zhixing .generation-steps [data-state=running]{border-top:2px solid var(--sw-red);padding-top:14px}
#zhixing .generation-steps [data-state=running] .generation-step-mark{border-color:var(--sw-red);color:#b72b20;background:#fff3ed}
#zhixing .generation-steps [data-state=running] .generation-step-mark{animation:stage-breathe 1.8s ease-in-out infinite}
@keyframes stage-breathe{0%,100%{background:#fff3ed;border-color:#dd3d2c}50%{background:#f7d6cb;border-color:#b72b20}}
#zhixing .generation-steps [data-state=running] :is(strong,.generation-step-state){color:#b72b20}
#zhixing .generation-steps [data-state=failed]{border-color:#b72b20}
#zhixing .generation-steps [data-state=failed] .generation-step-mark{border-color:#b72b20;color:#b72b20;background:#fff3ed}
#zhixing .generation-footnote{font-size:10px;line-height:1.8;color:#77756e;border-top:1px solid var(--sw-line);padding-top:15px;margin:25px 0 0}

/* Archive actions align with the collection grid, below the editorial heading. */
#zhixing .history-toolbar{display:flex;align-items:center;justify-content:space-between;gap:24px;border-top:1px solid var(--sw-ink);padding:20px 0;margin-top:35px}
#zhixing .history-toolbar .eyebrow{font-size:10px;letter-spacing:.12em}
#zhixing .history-toolbar p{font-size:13px;margin:7px 0 0;font-weight:600}
#zhixing .history-toolbar p span{color:var(--sw-muted);font-size:11px;margin-left:20px;font-weight:400}
#zhixing .history-toolbar .button{min-height:44px;font-size:12px;padding:12px 20px;gap:10px;flex-shrink:0}
#zhixing .history-toolbar .ui-icon{width:16px;height:16px}
#zhixing .sw-history-layout{margin-top:0}
#zhixing .workspace .history-summary{align-self:start;position:sticky;top:96px}
#zhixing .history-load-status:empty{display:none}
#zhixing .history-load-status{padding:12px 0;color:var(--sw-muted);font-size:12px}
#zhixing .history-load-status button{margin-left:10px}
#zhixing .history-pagination{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 0;border-bottom:1px solid var(--sw-line)}
#zhixing .history-pagination p{font-size:12px;margin:0;font-variant-numeric:tabular-nums}
#zhixing .history-pagination p span{color:var(--sw-muted)}
#zhixing .history-pagination>div{display:flex;align-items:center;gap:6px}
#zhixing .history-pagination button{display:grid;place-items:center;width:36px;height:36px;border:1px solid transparent;background:none;color:var(--sw-ink);font-size:12px;border-radius:0;box-shadow:none;padding:0;font-variant-numeric:tabular-nums}
#zhixing .history-pagination button[aria-current=page]{background:var(--sw-ink);color:var(--sw-paper);border-color:var(--sw-ink)}
#zhixing .history-pagination button:not(:disabled):hover{border-color:var(--sw-ink)}
#zhixing .history-pagination button:disabled{opacity:.3;cursor:default}
#zhixing .history-pagination .ui-icon{width:15px;height:15px}
#zhixing .page-ellipsis{font-size:12px;padding-inline:3px}
@media(max-width:1100px){#zhixing .generation-steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}}
@media(max-width:760px){
  #zhixing .workspace .answer-panel{padding:22px 18px;border:1px solid var(--sw-line);border-top:2px solid var(--sw-ink)}
  #zhixing .workspace .answer-panel textarea{min-height:230px;font-size:16px}
  #zhixing .answer-editor-meta{font-size:9px;padding-inline:12px}
  #zhixing .answer-editor-toolbar{padding-inline:12px}
  #zhixing .history-toolbar{gap:14px;margin-top:25px;padding:17px 0}
  #zhixing .history-toolbar p span{display:block;margin:4px 0 0}
  #zhixing .history-toolbar .button{padding:11px 14px;font-size:11px}
  #zhixing .workspace .history-summary{position:static}
  #zhixing .sw-history-layout{margin-top:0}
  #zhixing .history-pagination{align-items:start;flex-direction:column;gap:16px}
  #zhixing .history-pagination>div{flex-wrap:wrap;gap:4px}
  #zhixing .history-pagination button{width:34px;height:34px}
  #zhixing .generation-progress h3{font-size:20px}
  #zhixing .generation-progress-heading{gap:10px}
  #zhixing .generation-progress-heading .eyebrow{font-size:9px}
}
@media(prefers-reduced-motion:reduce){#zhixing .generation-steps [data-state=running] .generation-step-mark{animation:none}}

body[data-view=landing]{--sw-ease:cubic-bezier(.22,1,.36,1)}
.sw-header::after{content:"";position:absolute;inset:auto 0 -1px;height:2px;background:var(--sw-red);transform:scaleX(var(--sw-progress,0));transform-origin:left;pointer-events:none}
.sw-header{transition:background-color 220ms ease,border-color 220ms ease}
.sw-header.sw-scrolled{background:#f4f3eef5;border-bottom-color:#c8c7c0}
.sw-header nav a{position:relative;padding-block:6px;transition:color 180ms ease}
.sw-header nav a::after{content:"";position:absolute;inset:auto 0 0;height:1px;background:var(--sw-red);transform:scaleX(0);transform-origin:left;transition:transform 240ms var(--sw-ease)}
.sw-header nav a:is(:hover,:focus-visible,[aria-current=location])::after{transform:scaleX(1)}
.sw-header nav a[aria-current=location]{color:var(--sw-red)}
.sw-landing .sw-button,.sw-header .sw-button{transition:background-color 200ms ease,border-color 200ms ease,transform 180ms var(--sw-ease)}
.sw-landing .sw-button svg,.sw-header .sw-button svg,.sw-text-link svg,.sw-section-end svg{transition:transform 260ms var(--sw-ease)}
.sw-button:is(:hover,:focus-visible) svg,.sw-text-link:is(:hover,:focus-visible) svg,.sw-section-end>a:is(:hover,:focus-visible) svg{transform:translate(3px,-3px)}
.sw-landing .sw-button:active,.sw-header .sw-button:active{transform:scale(.985)}
.sw-text-link{transition:color 180ms ease,border-color 180ms ease}
.sw-text-link>span{display:inline-block;transition:transform 240ms var(--sw-ease)}
.sw-text-link:is(:hover,:focus-visible)>span{transform:translateY(3px)}
.sw-workspace-copy [role=tab]{position:relative;transition:color 200ms ease,padding-left 240ms var(--sw-ease)}
.sw-workspace-copy [role=tab]::after{content:"";position:absolute;inset:auto 0 -1px;height:2px;background:#ff806a;transform:scaleX(0);transform-origin:left;transition:transform 320ms var(--sw-ease)}
.sw-workspace-copy [role=tab][aria-selected=true]::after{transform:scaleX(1)}
.sw-preview-steps span{transition:color 200ms ease}
.sw-demo-options button{transition:background-color 180ms ease,border-color 180ms ease,color 180ms ease}
.sw-motion-target{transition:opacity 660ms var(--sw-ease),transform 800ms var(--sw-ease);transition-delay:var(--sw-delay,0ms)}
.sw-motion-target.sw-motion-pending{opacity:0;transform:translateY(18px)}
.sw-hero-art.sw-motion-target{transition-duration:900ms,1100ms;--sw-delay:110ms!important}
.sw-hero-art.sw-motion-pending{transform:translateY(12px) scale(1.025)}
.sw-motion-line{position:relative;border-top-color:transparent}
.sw-motion-line::before{content:"";position:absolute;inset:0 0 auto;height:1px;background:currentColor;transform:scaleX(1);transform-origin:left;transition:transform 1000ms var(--sw-ease)}
.sw-motion-line.sw-motion-pending::before{transform:scaleX(0)}
.sw-workspace-section .sw-motion-line{border-top-color:transparent}
.sw-workspace-section .sw-motion-line::before{background:#777}
.sw-final .sw-folio.sw-motion-line::before{display:none}
.sw-source-photo{overflow:hidden}
@media(hover:hover) and (pointer:fine) and (prefers-reduced-motion:no-preference){
  .sw-photo:not(.sw-crop-right) img,.sw-source-photo img{transition:transform 900ms var(--sw-ease)}
  .sw-triptych article:hover .sw-photo img,.sw-chain article:hover .sw-photo:not(.sw-crop-right) img,.sw-source-photo:hover img{transform:scale(1.035)}
  .sw-workspace-copy [role=tab]:hover{padding-left:5px}
}
@media(max-width:760px){
  .sw-motion-target{transition-duration:500ms,600ms;transition-delay:0ms}
  .sw-motion-target.sw-motion-pending{transform:translateY(10px)}
}
@media(prefers-reduced-motion:reduce){
  .sw-motion-target.sw-motion-pending{opacity:1;transform:none}
  .sw-motion-line.sw-motion-pending::before{transform:none}
  .sw-header::after{display:none}
  .sw-landing .sw-button:active,.sw-header .sw-button:active,.sw-button svg,.sw-text-link svg,.sw-section-end svg,.sw-text-link>span{transform:none!important}
  .sw-workspace-copy [role=tab]:hover{padding-left:0}
}

/* Mode-specific question form */
#zhixing .field-image{margin-top:18px}
#zhixing .image-drop{display:flex;align-items:center;gap:14px;padding:18px 20px;border:1px dashed var(--sw-line);background:var(--sw-white);cursor:pointer}
#zhixing .image-drop:hover{border-color:var(--sw-ink)}
#zhixing .image-drop input{position:absolute;width:1px;height:1px;opacity:0}
#zhixing .image-drop strong{display:block;font-size:14px}
#zhixing .image-drop small{display:block;font-size:11px;color:var(--sw-muted);margin-top:4px}
#zhixing .image-preview-item{margin:12px 0 0;border:1px solid var(--sw-line);background:var(--sw-white);padding:10px}
#zhixing .image-preview-item img{display:block;max-width:100%;max-height:220px;object-fit:contain;margin:0 auto}
#zhixing .image-preview-item figcaption{font-size:11px;color:var(--sw-muted);margin-top:8px;display:flex;justify-content:space-between;gap:12px}
#zhixing .image-preview-item .plain-link{color:var(--sw-red);font-size:11px}
#learningForm[data-mode=quick] .field-initial,
#learningForm[data-mode=quick] .field-types,
#learningForm[data-mode=quick] .field-materials,
#learningForm[data-mode=case] .field-initial,
#learningForm[data-mode=case] .field-types{display:none}
#learningForm:not([data-mode=quick]) .field-image{display:none}

/* Quick answer page */
#zhixing .evidence-retrieval{margin-bottom:26px}
#zhixing .evidence-retrieval>summary{display:flex;align-items:center;justify-content:space-between;gap:20px;cursor:pointer;font-weight:700}
#zhixing .evidence-retrieval small{font-size:11px;font-weight:400;color:var(--sw-muted)}
#zhixing .retrieval-grid,#zhixing .evidence-fields{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:22px 0}
#zhixing .retrieval-grid p{line-height:1.8;overflow-wrap:anywhere}
#zhixing .human-checks,#zhixing .revision-evidence,#zhixing .transfer-answer,#zhixing .export-evidence{margin:32px 0}
#zhixing .human-checks h2,#zhixing .revision-evidence h2{margin:8px 0}
#zhixing .check-card{border-top:1px solid var(--sw-line);padding:0;margin:0}
#zhixing .check-card>summary{display:flex;justify-content:space-between;align-items:start;gap:25px;padding:24px 0;cursor:pointer}
#zhixing .check-card>summary small{display:block;margin-bottom:8px;color:var(--sw-muted);font-size:11px}
#zhixing .check-card>summary strong{display:block;font-size:15px;line-height:1.8;font-weight:600;max-width:850px;white-space:pre-line}
#zhixing .check-state{white-space:nowrap;font-size:11px;padding:5px 9px;background:#eeece6;color:#666}
#zhixing .check-state.is-checked{background:#e3ebe5;color:#35523c}
#zhixing .check-state.needs-attention{background:#f4e8d5;color:#75551f}
#zhixing .check-original{padding:20px;background:#eeece6;border-left:2px solid var(--sw-ink);white-space:pre-line}
#zhixing .check-original p{font-size:14px;line-height:1.9}
#zhixing .check-sources,#zhixing .external-source,#zhixing .revision-evidence fieldset{border:1px solid var(--sw-line);padding:20px;margin:24px 0;min-width:0}
#zhixing legend{padding:0 8px;font-size:12px;font-weight:700}
#zhixing .source-choice{display:flex;align-items:flex-start;gap:12px;font-size:13px;font-weight:400;margin:14px 0;line-height:1.8}
#zhixing .source-choice input{width:16px;min-width:16px;height:16px;margin:4px 0 0;accent-color:var(--sw-red)}
#zhixing .check-source-text{margin:0 0 14px 28px;font-size:12px}
#zhixing .check-source-text summary{cursor:pointer;color:var(--sw-red)}
#zhixing .evidence-form-footer{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:22px 0}
#zhixing .evidence-form-footer small{color:var(--sw-muted);font-size:11px}
#zhixing .check-history{padding:18px 0;font-size:12px}
#zhixing .check-history article,#zhixing .revision-decisions article{border-top:1px solid var(--sw-line);padding:16px 0}
#zhixing .check-history p,#zhixing .revision-decisions p{white-space:pre-line;line-height:1.9}
#zhixing .evidence-metrics{display:flex;flex-wrap:wrap;gap:12px 30px;border-top:1px solid var(--sw-line);border-bottom:1px solid var(--sw-line);padding:16px 0;font-size:12px}
#zhixing .revision-decisions{margin:20px 0}
#zhixing .revision-decisions strong{font-size:13px;line-height:1.9;display:block}
#zhixing .revision-decisions small{color:var(--sw-red)}
#zhixing .practice-source-state{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:11px;color:var(--sw-muted);border-top:1px solid var(--sw-line);padding:12px 0;margin-bottom:12px}
#zhixing .practice-source-state a{color:var(--sw-red)}
#zhixing .human-revision{padding:16px;border-left:2px solid var(--sw-red);background:#f1ede5;margin-bottom:16px;font-size:13px;line-height:1.8}
#zhixing .history-card{display:block}
#zhixing .history-open{appearance:none;border:0;background:none;text-align:left;width:100%;padding:0;color:inherit;cursor:pointer}
#zhixing .history-evidence{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;border-top:1px solid var(--sw-line);padding-top:14px;margin-top:18px}
#zhixing .history-evidence small{color:var(--sw-muted);font-size:11px}
#zhixing .history-evidence .plain-link{font-size:12px}
#zhixing .initial-quote{border-left:3px solid var(--sw-red);margin-bottom:25px}
#zhixing .initial-quote p{font-size:16px;line-height:1.9}
#zhixing .login-layout{max-width:1320px;margin:0 auto;min-height:76vh;display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:100px;padding:70px 48px}
#zhixing .login-story h1{font-size:clamp(38px,4.8vw,66px);line-height:1.25;letter-spacing:-.04em;margin:26px 0}
#zhixing .login-story p{font-size:16px;line-height:1.9;max-width:380px;color:var(--sw-muted)}
#zhixing .login-index{display:flex;gap:24px;flex-wrap:wrap;font-size:11px;border-top:1px solid var(--sw-line);padding-top:24px;margin-top:50px}
#zhixing .login-panel{border-top:3px solid var(--sw-ink);padding:36px}
#zhixing .login-panel h2{font-size:27px;margin:15px 0 30px}
#zhixing .login-panel small{display:block;font-size:11px;color:var(--sw-muted);margin-top:24px}
#zhixing .login-panel input{background:transparent;min-height:48px}
#zhixing .login-panel button[type=submit]{margin-top:24px}
#zhixing .check-sources{max-height:440px;overflow:auto}
#zhixing .header-actions{display:flex;align-items:center;gap:22px}
@media(max-width:760px){#zhixing .retrieval-grid,#zhixing .evidence-fields,#zhixing .login-layout{grid-template-columns:1fr}#zhixing .login-layout{gap:30px;padding:35px 22px}#zhixing .login-index{margin-top:25px}#zhixing .login-panel{padding:25px}#zhixing .evidence-form-footer{align-items:stretch;flex-direction:column}#zhixing .evidence-retrieval>summary{align-items:start;flex-direction:column;gap:8px}#zhixing .check-card>summary{gap:12px}#zhixing .check-sources,#zhixing .external-source{padding:12px}}
#zhixing .textbook-source{display:block;border-top:1px solid var(--sw-line);padding:20px 0;margin:0}
#zhixing .textbook-source .source-type{display:block;color:var(--sw-red);font-size:10px;letter-spacing:.1em;font-weight:700;margin-bottom:9px}
#zhixing .workspace .sources .textbook-source .source-type{color:var(--sw-red);font-size:10px}
#zhixing .textbook-source h3{font-size:15px;line-height:1.7;margin:0;color:var(--sw-ink);overflow-wrap:anywhere}
#zhixing .textbook-source .source-chapter{font-size:12px;line-height:1.7;color:var(--sw-muted);margin:5px 0 12px}
#zhixing .source-excerpt{border:0;padding:0;margin:12px 0;background:transparent}
#zhixing .source-excerpt summary{cursor:pointer;font-size:12px;color:var(--sw-ink);padding:0;display:list-item}
#zhixing .source-excerpt p{font-size:12px;line-height:1.9;white-space:pre-wrap;overflow-wrap:anywhere;border-left:2px solid var(--sw-line);padding:0 0 0 12px;margin:12px 0;max-height:320px;overflow:auto;color:var(--sw-muted)}
#zhixing .source-page-link{display:inline-flex;align-items:center;gap:14px;color:var(--sw-red);font-size:12px;margin-top:8px;text-decoration:none;border-bottom:1px solid transparent;padding-bottom:3px}
#zhixing .source-page-link:hover{border-color:currentColor}
#zhixing .textbook-citations{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:18px;font-size:11px;line-height:1.7;color:var(--sw-muted)}
#zhixing .textbook-citations a{color:var(--sw-red);text-underline-offset:4px}
#zhixing .source-page-link:focus-visible,#zhixing .source-excerpt summary:focus-visible{outline:2px solid var(--sw-red);outline-offset:4px}
#zhixing .quick-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(280px,1fr);gap:32px;align-items:start}
#zhixing .quick-answer{border-top:3px solid var(--sw-ink);padding-top:26px}
#zhixing .quick-lead{font-size:clamp(24px,2.6vw,34px);line-height:1.45;font-weight:700;letter-spacing:-.02em;margin:0 0 26px}
#zhixing .quick-why{list-style:none;margin:0;padding:0;display:grid;gap:16px}
#zhixing .quick-why li{display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;border-top:1px solid var(--sw-line);padding-top:16px}
#zhixing .quick-why span{font-family:Arial,sans-serif;font-size:13px;color:var(--sw-red);font-weight:700}
#zhixing .quick-why p{margin:0;font-size:15px;line-height:1.9}
#zhixing .quick-pitfalls{margin-top:28px;border-left:2px solid var(--sw-red);background:#f3eee6;padding:16px 20px}
#zhixing .quick-pitfalls .read-list{margin:8px 0 0}
#zhixing .quick-terms{display:grid;gap:10px;margin-top:24px}
#zhixing .quick-term{display:grid;grid-template-columns:100px minmax(0,1fr);gap:14px;font-size:13px;line-height:1.8;border-bottom:1px solid var(--sw-line);padding-bottom:10px}
#zhixing .quick-actions{display:flex;align-items:center;gap:20px;margin-top:32px}
#zhixing .quick-aside .panel{padding:22px}
#zhixing .quick-source{border-top:1px solid var(--sw-line);padding:14px 0}
#zhixing .quick-source .eyebrow{display:block;font-size:10px}
#zhixing .quick-source strong{display:block;font-size:14px;margin:4px 0 2px}
#zhixing .quick-source small{color:var(--sw-muted);font-size:11px}
@media(max-width:900px){#zhixing .quick-layout{grid-template-columns:1fr}}
#zhixing .quick-warning{border-left:2px solid var(--sw-red);background:#f3eee6;padding:10px 14px;font-size:12px;line-height:1.7;margin:0 0 12px}
#zhixing .image-drop{transition:border-color .15s ease,background-color .15s ease}#zhixing .image-drop:focus-within{outline:2px solid var(--sw-red);outline-offset:3px}#zhixing .image-drop.is-dragging{border-color:var(--sw-red);border-style:solid;background:#f3eee6}#zhixing .image-drop.is-dragging strong{color:var(--sw-red)}
#zhixing .workspace .step-footer>.completion-mark{display:inline-flex;align-items:center;gap:6px;background:#e9e7df;border:1px solid var(--sw-line);color:#363633;font-size:11px;line-height:1.4;padding:7px 12px}@media(max-width:760px){#zhixing .workspace .step-footer>.completion-mark{align-self:flex-start}}