:root{--ink:#20303b;--muted:#6c7d86;--line:#e3eaed;--page:#f4f7f7;--nav:#122d39;--teal:#0c8e8d;--soft:#e7f5f3;--warn:#fff6e4}*{box-sizing:border-box}body{margin:0;font-family:"Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:var(--page)}a{color:inherit;text-decoration:none}.app-shell{display:grid;grid-template-columns:238px minmax(0,1fr);min-height:100vh}.sidebar{background:var(--nav);padding:28px 16px;color:#d7e7e8;display:flex;flex-direction:column}.brand{font-weight:800;font-size:20px;display:flex;gap:9px;align-items:center;margin:0 10px 35px}.brand span,.profile>span{width:29px;height:29px;display:grid;place-items:center;border-radius:9px;background:#50bdb2;color:#123a40;font-size:14px}.side-label{color:#7f9ca3;font-size:11px;letter-spacing:1px;margin:0 11px 8px}.sidebar nav{display:grid;gap:5px}.sidebar nav a{padding:11px;border-radius:8px;color:#c7d9dc}.sidebar nav a:hover{background:#214855;color:#fff}.profile{margin-top:auto;border-top:1px solid 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p{color:#bfd5d4;line-height:1.65}.form-layout{align-items:start}.soft{background:#f0faf8}.stack p{display:grid;gap:7px;margin:0 0 14px}.stack label{font-size:13px;font-weight:700}.stack input,.stack textarea,.stack select{width:100%;font:inherit;border:1px solid #dbe4e6;border-radius:8px;padding:10px;background:#fff}.form-card{max-width:760px}.form-actions{display:flex;justify-content:flex-end;gap:10px}.project-layout{display:grid;grid-template-columns:196px 1fr;gap:18px}.project-nav{display:grid;gap:4px;height:max-content;padding:9px}.project-nav a{padding:10px;border-radius:7px;color:#63767e}.project-nav a.active,.project-nav a:hover{background:var(--soft);color:#177a74;font-weight:700}.stages{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;border-top:2px solid #dfe9e9;padding-top:11px}.stages span{text-align:center;font-size:12px;color:#87979b}.stages .done{color:#277d77}.stages .current{color:#a46e17;font-weight:700}.question{padding:15px 0;border-bottom:1px solid var(--line)}.question:last-child{border:0}.question p{font-size:13px;color:var(--muted);margin:8px 0 0}.warning{background:var(--warn)}.todo{margin-top:15px;padding:13px;background:#fff7e6;border-radius:8px;color:#765c2f;font-size:13px}.result{margin-top:18px;line-height:1.7}.result a{color:var(--teal);text-decoration:underline}.notice{padding:10px;background:#fff7e6;color:#765c2f;font-size:13px}@media(max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{position:static;padding:15px}.brand{margin-bottom:12px}.sidebar nav{grid-template-columns:repeat(2,1fr)}.side-label,.profile{display:none}main{padding:22px 16px}.two-column,.project-layout{grid-template-columns:1fr}.cards.three,.cards.two{grid-template-columns:1fr}.project-nav{display:flex;overflow:auto}.project-nav a{white-space:nowrap}.heading{align-items:start}.stages{grid-template-columns:1fr}.focus-foot{align-items:start;flex-direction:column}}

/* 课题库：让并行课题分组清晰，新建入口保持高可见度。 */
.sidebar nav .new-project-link{background:transparent;color:#c7d9dc;font-weight:400;margin:0}.sidebar nav .new-project-link:hover{background:#214855;color:#fff}.top-actions{display:flex;gap:9px;align-items:center}.large-button{padding:13px 18px;font-weight:700}.text-link{display:inline-block;margin-top:15px;color:var(--teal);font-size:13px}.section-title.compact>div p{margin:5px 0 0;color:var(--muted);font-size:13px}.project-card-main{display:block}.project-card footer{align-items:center}.card-actions{display:flex!important;gap:10px;align-items:center}.next-action{color:#365963!important}.blocker{color:#9b6d28!important;background:#fff7e7;border-radius:6px;padding:5px 7px}.library-section{margin-top:30px}.archived-section{opacity:.82}.count-badge{display:inline-grid;place-items:center;min-width:30px;height:30px;padding:0 8px;border-radius:15px;background:var(--soft);color:#167a74;font-size:13px;font-weight:700}.muted-badge{background:#eef2f3;color:#657980}.text-button{border:0;background:transparent;color:#71838a;padding:0;font:inherit;cursor:pointer}.text-button:hover{color:#177a74;text-decoration:underline}@media(max-width:900px){.heading{flex-direction:column}.top-actions{width:100%}.top-actions .button{flex:1;text-align:center}}
.current-workspace{margin-top:18px;padding:22px;background:linear-gradient(120deg,#ffffff,#f5fbfa);border-color:#d5eae7}.workspace-head{display:flex;justify-content:space-between;gap:20px;align-items:end;padding-bottom:18px;border-bottom:1px solid var(--line)}.workspace-head h2{font-size:21px;margin:7px 0}.workspace-head p{margin:0;color:var(--muted);font-size:13px}.project-switcher{display:grid;gap:6px;min-width:min(100%,430px)}.project-switcher label{font-size:12px;font-weight:700;color:#60747a}.project-switcher>div{display:flex;gap:8px}.project-switcher select{min-width:280px;max-width:380px;flex:1;border:1px solid #d7e3e4;border-radius:8px;background:#fff;padding:9px;font:inherit;color:var(--ink)}.workspace-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding-top:18px}.workspace-grid article{padding:14px;background:#fff;border:1px solid #e2ecec;border-radius:10px;min-height:142px}.workspace-grid h3{margin:9px 0 7px;font-size:14px;line-height:1.55}.workspace-grid p{margin:0;color:var(--muted);font-size:12px;line-height:1.6}.workspace-grid .workspace-record{padding:6px 0;border-bottom:1px solid #edf2f2}.workspace-grid .workspace-record:last-child{border:0}.workspace-record b{color:var(--ink)}.workspace-blocker{margin-top:9px!important;padding:6px 8px;background:#fff6e4;border-radius:6px;color:#8a6524!important}.workspace-foot{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-top:17px;padding-top:17px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}@media(max-width:1000px){.workspace-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.workspace-head{align-items:stretch;flex-direction:column}.project-switcher{min-width:0}.project-switcher select{min-width:0}.workspace-grid{grid-template-columns:1fr}.workspace-foot{align-items:stretch;flex-direction:column}.workspace-foot .button{text-align:center}}
.project-detail-heading{align-items:start}.detail-actions{display:flex;gap:10px;align-items:end}.detail-project-switcher{display:grid;gap:6px}.detail-project-switcher label{font-size:12px;font-weight:700;color:#60747a}.detail-project-switcher>div{display:flex;gap:8px}.detail-project-switcher select{min-width:270px;max-width:360px;border:1px solid #d7e3e4;border-radius:8px;background:#fff;padding:9px;font:inherit;color:var(--ink)}@media(max-width:760px){.detail-actions{width:100%;align-items:stretch;flex-direction:column}.detail-project-switcher>div{width:100%}.detail-project-switcher select{min-width:0;flex:1}}
.home-workspace-layout{display:grid;grid-template-columns:190px 1fr;gap:17px;margin-top:18px}.home-workspace-nav{display:grid;gap:4px;height:max-content;padding:8px;background:#f7faf9;border:1px solid #e1eceb;border-radius:10px}.home-workspace-nav a{padding:9px;border-radius:7px;color:#63767e;font-size:13px}.home-workspace-nav a.active,.home-workspace-nav a:hover{background:var(--soft);color:#177a74;font-weight:700}.home-workspace-content>article{padding:18px;background:#fff;border:1px solid #e1eceb;border-radius:10px;min-height:150px}.home-workspace-content h2{margin:0 0 13px;font-size:17px}.home-workspace-content h3{margin:8px 0;font-size:16px;line-height:1.5}.home-workspace-content p{color:var(--muted);line-height:1.65;font-size:13px}.workspace-summary-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}.workspace-summary-grid article{padding:15px;background:#fff;border:1px solid #e1eceb;border-radius:10px}.workspace-summary-grid h3{font-size:16px;margin:8px 0}.workspace-summary-grid p{font-size:13px}.workspace-warning{background:#fff9ec!important}@media(max-width:760px){.home-workspace-layout{grid-template-columns:1fr}.home-workspace-nav{display:flex;overflow:auto}.home-workspace-nav a{white-space:nowrap}.workspace-summary-grid{grid-template-columns:1fr}}
.workspace-form{margin-top:18px}.stack .helptext{font-size:11px;color:var(--muted);line-height:1.5}.stack ul.errorlist{margin:0;padding-left:18px;color:#b64b4b;font-size:12px}
.milestone-board{margin-top:18px}.milestone-item{padding:16px 0;border-bottom:1px solid var(--line)}.milestone-item:last-child{border-bottom:0}.milestone-head{display:flex;align-items:start;justify-content:space-between;gap:15px}.milestone-head h3{margin:7px 0;font-size:16px}.milestone-head p,.task-row p{margin:0;color:var(--muted);font-size:12px;line-height:1.6}.milestone-head time{color:var(--muted);font-size:12px;white-space:nowrap}.task-list{margin-top:12px;border:1px solid #e6eeee;border-radius:9px;padding:0 12px}.task-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px solid #edf2f2}.task-row:last-child{border-bottom:0}.task-row b{font-size:13px}.task-status-form{display:flex;align-items:center;gap:8px}.task-status-form select{border:1px solid #dbe4e6;border-radius:7px;padding:6px;background:#fff;font:inherit;font-size:12px}.ungrouped-task{margin-top:12px;padding:12px;background:#f8fbfb;border:1px solid #e4eeee;border-radius:9px}@media(max-width:640px){.milestone-head,.task-row{align-items:stretch;flex-direction:column}.task-status-form{justify-content:space-between}}
.planning-notice{margin-bottom:18px;background:#f4fbfa;border-color:#d4ebe8}.planning-notice h2{margin-bottom:8px}.planning-notice h3{font-size:14px;margin:16px 0 6px}.planning-notice p,.planning-notice li,.planning-grid p,.planning-grid li{color:#526c73;font-size:13px;line-height:1.65}.planning-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.planning-grid h2{font-size:18px}.planning-grid h3{font-size:15px;line-height:1.5}@media(max-width:760px){.planning-grid{grid-template-columns:1fr}}
.source-idea{margin-top:7px!important;font-size:12px!important;color:#197c76!important}
.inline-form{display:inline;margin-left:10px}.draft-edit-card{margin:18px 0}.version-card h2{font-size:17px;margin:12px 0}.version-card p{font-size:13px;color:var(--muted);line-height:1.6}.version-card form{margin-top:16px}
.output-create-form{margin-top:18px}.output-card{display:flex;flex-direction:column;min-height:210px}.output-card h3{font-size:17px;margin:14px 0 7px;line-height:1.45}.output-card p{font-size:13px;color:var(--muted);line-height:1.6;margin:0}.output-card .output-next{margin-top:14px;color:#42636a}.output-card footer{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-top:auto;padding-top:16px;color:#71838a;font-size:12px}.output-card footer a{color:var(--teal);font-size:13px}.output-preview ol,.output-preview ul{padding-left:22px}.output-preview li{margin:9px 0;color:#526c73;font-size:13px;line-height:1.65}.output-preview h2+ul{margin-bottom:0}
.metadata-list{display:grid;gap:8px;margin:0 0 18px}.metadata-list div{padding:9px 11px;background:#f7fbfb;border-radius:8px}.metadata-list dt{font-size:11px;color:#72858b}.metadata-list dd{margin:4px 0 0;font-size:13px;line-height:1.55}.preserve-lines{white-space:pre-wrap;padding:10px;background:#f7fbfb;border-radius:8px;font-size:13px}.button-row{display:flex;gap:9px;align-items:center;flex-wrap:wrap;margin-top:18px}.button-row form{margin:0}.button.small{padding:7px 10px;font-size:12px}.stack-list{display:grid;gap:8px}.list-card{display:flex;justify-content:space-between;gap:14px;align-items:center;padding:12px;background:#f8fbfb;border:1px solid #e3eeee;border-radius:9px}.list-card strong{font-size:13px}.list-card .muted{display:block;font-size:12px;margin-top:4px}@media(max-width:640px){.list-card{align-items:stretch;flex-direction:column}.list-card form .button{width:100%;text-align:center}}
.profile-logout{font-size:11px;margin-top:6px;color:#8ea8ae}.auth-page{min-height:100vh;display:grid;place-items:center;padding:22px;background:linear-gradient(135deg,#e9f4f3,#f5f7f7)}.auth-card{width:min(100%,460px);padding:34px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 16px 42px #123a4014}.auth-brand{display:flex;align-items:center;gap:9px;font-size:20px;font-weight:800;color:#143742}.auth-brand span{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:#50bdb2}.auth-card h1{font-size:24px;margin:30px 0 9px}.auth-card>p{color:var(--muted);line-height:1.65}.auth-card form{margin-top:23px}.auth-card .button{width:100%;text-align:center}.auth-foot{margin-top:20px!important;font-size:13px}.auth-foot a{color:var(--teal);font-weight:700}.message.error{margin:17px 0 0;padding:10px;background:#fff0f0;color:#a44646;border-radius:8px;font-size:13px}
.connection-row{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}.connection-row:last-child{border-bottom:0}.connection-row b{font-size:14px}.connection-row p,.connection-row small{display:block;margin:5px 0 0;color:var(--muted);font-size:12px}.connection-actions{display:flex;gap:10px;align-items:center}.danger{color:#b34d4d}@media(max-width:640px){.connection-row{align-items:flex-start;flex-direction:column}.connection-actions{width:100%;justify-content:flex-end}}
.verified-status,.unverified-status{display:inline-block;padding:2px 7px;border-radius:10px;font-size:12px}.verified-status{background:#e7f5f3;color:#177a74}.unverified-status{background:#fff4de;color:#8a6524}
.required-mark{color:#bd4a4a;font-weight:800;margin-right:3px}.field-errors{display:block;color:#b64b4b;font-size:12px;line-height:1.5}.field-errors ul{margin:0;padding-left:18px}
.profile-avatar{display:block}.profile-avatar:hover span{background:#79d4ca}.profile-account{display:inline-block;margin-top:7px;color:#b9d9da;font-size:12px}.profile-account:hover{color:#fff;text-decoration:underline}
.email-binding{margin-top:17px;padding-top:15px;border-top:1px solid var(--line)}.email-binding h3{margin:0 0 10px;font-size:14px}.verification-form{margin-top:12px;padding:13px;background:#f5fbfa;border:1px solid #dceceb;border-radius:9px}
.message.info,.message.success{margin:17px 0 0;padding:10px;border-radius:8px;font-size:13px}.message.info{background:#eef7ff;color:#326b8d}.message.success{background:#ebf8f2;color:#217652}