:root{
  --ink:#101914;
  --ink-2:#17241c;
  --ink-3:#213127;
  --paper:#f8f4e9;
  --paper-2:#eee7d7;
  --muted:#b9b6aa;
  --green:#1d4b38;
  --green-2:#2d6d50;
  --gold:#f3c84b;
  --orange:#e95b2a;
  --red:#c94a35;
  --violet:#6b63cc;
  --line:rgba(255,255,255,.16);
  --shadow:0 24px 70px rgba(0,0,0,.34);
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --serif:"Songti SC","STSong","Noto Serif CJK SC",serif;
}

*{box-sizing:border-box}
html{background:var(--ink)}
body{margin:0;min-width:320px;background:var(--ink);color:var(--paper);font-family:var(--sans);font-size:15px}
button,input,select,textarea{font:inherit}
button,a{touch-action:manipulation}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
a{color:inherit}

.story-app{min-height:100vh;background:radial-gradient(circle at 80% 0,#234532 0,transparent 34%),var(--ink)}
.story-hud{position:fixed;z-index:70;top:0;left:0;right:0;height:76px;display:flex;align-items:center;gap:20px;padding:0 22px;background:rgba(13,22,17,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
.brand{display:flex;align-items:center;gap:10px;min-width:210px;text-decoration:none}
.brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;background:var(--gold);color:var(--ink);font-family:var(--serif);font-weight:900;font-size:22px;box-shadow:0 0 0 4px rgba(243,200,75,.12)}
.brand b{display:block;font-family:var(--serif);font-size:17px;letter-spacing:.08em}
.brand small{display:block;margin-top:2px;color:var(--muted);font-size:10px;letter-spacing:.16em;text-transform:uppercase}
.hud-progress{width:min(220px,18vw);min-width:140px}
.progress-copy{display:flex;justify-content:space-between;gap:12px;margin-bottom:6px;color:var(--muted);font-size:11px}
.progress-copy b{color:var(--gold)}
.progress-track{display:block;height:5px;overflow:hidden;border-radius:999px;background:rgba(255,255,255,.1)}
.progress-track i{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--gold),var(--orange));transition:width .35s ease}
.project-chips{display:flex;gap:7px;margin-left:auto}
.state-chip{min-width:116px;max-width:160px;padding:7px 10px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.055);color:var(--paper);text-align:left;cursor:pointer}
.state-chip span,.state-chip b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.state-chip span{margin-bottom:2px;color:var(--muted);font-size:9px;letter-spacing:.1em}
.state-chip b{font-size:12px}
.state-chip.accent{border-color:rgba(243,200,75,.35)}
.state-chip.accent b{color:var(--gold)}
.hud-links{display:flex;gap:6px}
.hud-links a{padding:9px 11px;border-radius:9px;background:rgba(255,255,255,.06);color:var(--paper-2);font-size:11px;text-decoration:none;white-space:nowrap}
.hud-links a:hover{background:var(--gold);color:var(--ink)}

.tool-rail{position:fixed;z-index:65;top:76px;bottom:0;left:0;width:72px;display:flex;flex-direction:column;align-items:center;gap:5px;padding:10px 7px;background:#0c1510;border-right:1px solid var(--line)}
.tool-rail button{width:58px;border:0;border-radius:10px;background:transparent;color:var(--muted);cursor:pointer}
.rail-toggle{height:42px;margin-bottom:4px;color:var(--gold)!important;font-size:22px}
.rail-item{min-height:61px;padding:7px 3px}
.rail-item span{display:block;margin-bottom:4px;font-size:18px;font-style:normal}
.rail-item em{display:block;font-size:9px;font-style:normal;white-space:nowrap}
.rail-item:hover,.rail-item.on{background:rgba(243,200,75,.11);color:var(--gold)}

.project-drawer{position:fixed;z-index:60;top:76px;bottom:0;left:72px;width:360px;transform:translateX(-110%);background:rgba(248,244,233,.985);color:var(--ink);border-right:1px solid #d9d0bd;box-shadow:var(--shadow);transition:transform .24s ease;overflow:hidden}
.project-drawer.open{transform:translateX(0)}
.drawer-head{height:84px;display:flex;align-items:center;justify-content:space-between;padding:17px 18px;border-bottom:1px solid #d9d0bd;background:#f2ebdc}
.drawer-head small{display:block;color:#877f70;font-size:9px;letter-spacing:.15em}
.drawer-head h2{margin:3px 0 0;font-family:var(--serif);font-size:21px}
.drawer-head button{width:36px;height:36px;border:1px solid #cfc5b1;border-radius:50%;background:white;color:var(--ink);font-size:23px;cursor:pointer}
.drawer-body{height:calc(100% - 84px);padding:18px;overflow:auto;overscroll-behavior:contain}
.drawer-scrim{position:fixed;z-index:55;inset:76px 0 0 72px;display:none;border:0;background:rgba(0,0,0,.48)}
.drawer-scrim.show{display:block}

.story-main{min-height:100vh;margin-left:72px;padding:96px 20px 42px}
.chapter-track{display:flex;gap:7px;margin:0 auto 12px;padding:4px;max-width:1540px;overflow-x:auto;scrollbar-width:thin;scrollbar-color:#436450 transparent}
.chapter-button{position:relative;flex:1 0 92px;min-height:55px;padding:9px 10px;border:1px solid var(--line);border-radius:10px;background:#17241c;color:var(--muted);text-align:left;cursor:pointer}
.chapter-button span,.chapter-button b{display:block}
.chapter-button span{font-size:10px;letter-spacing:.08em}
.chapter-button b{margin-top:4px;color:var(--paper-2);font-size:11px;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chapter-button::after{content:"";position:absolute;right:7px;top:7px;width:7px;height:7px;border-radius:50%;background:#4d5c52}
.chapter-button.done::after{background:#67c98d;box-shadow:0 0 0 3px rgba(103,201,141,.14)}
.chapter-button.active{border-color:var(--gold);background:var(--gold);color:#57470c;box-shadow:0 7px 22px rgba(243,200,75,.18)}
.chapter-button.active b{color:var(--ink)}
.chapter-button.active::after{background:var(--orange)}

.story-stage{position:relative;isolation:isolate;max-width:1540px;height:min(790px,calc(100vh - 176px));min-height:650px;margin:0 auto;overflow:hidden;border:1px solid rgba(255,255,255,.18);border-radius:18px;background:#23342a;box-shadow:var(--shadow)}
.scene-image{position:absolute;z-index:-3;inset:0;background-position:center;background-size:cover;transform:scale(1.01);transition:background-image .3s ease,opacity .3s ease}
.scene-overlay{position:absolute;z-index:-2;inset:0;background:linear-gradient(90deg,rgba(7,13,9,.88) 0,rgba(7,13,9,.65) 45%,rgba(7,13,9,.25) 68%,rgba(7,13,9,.53) 100%),linear-gradient(0deg,rgba(7,13,9,.88) 0,transparent 45%)}
.scene-heading{position:absolute;z-index:3;top:27px;left:28px;width:min(58%,760px);text-shadow:0 2px 14px rgba(0,0,0,.68)}
.scene-tag{display:inline-flex;padding:5px 9px;border:1px solid rgba(255,255,255,.27);border-radius:999px;background:rgba(10,19,13,.35);color:var(--gold);font-size:10px;font-weight:800;letter-spacing:.08em;backdrop-filter:blur(5px)}
.scene-heading>p:first-of-type{margin:12px 0 4px;color:#d9d6cc;font-size:12px;font-weight:700;letter-spacing:.05em}
.scene-heading h1{max-width:720px;margin:0;font-family:var(--serif);font-size:clamp(28px,3.3vw,50px);line-height:1.12}
.scene-objective{max-width:680px;margin:12px 0 0;color:#e5e0d4;font-size:13px;line-height:1.75}
.cast-strip{position:absolute;z-index:5;top:28px;right:25px;display:flex;gap:7px}
.cast-card{display:flex;align-items:center;gap:7px;padding:5px 9px 5px 5px;border:1px solid rgba(255,255,255,.22);border-radius:999px;background:rgba(10,18,13,.56);backdrop-filter:blur(8px)}
.cast-avatar{width:27px;height:27px;display:grid;place-items:center;border-radius:50%;background:var(--gold);color:var(--ink);font-family:var(--serif);font-weight:900}
.cast-card small{display:block;color:#c5c2b7;font-size:8px}
.cast-card b{display:block;font-size:10px}

.decision-dock{position:absolute;z-index:4;top:104px;right:22px;bottom:158px;width:min(410px,37%);overflow:hidden;border:1px solid rgba(255,255,255,.75);border-radius:16px;background:rgba(249,246,237,.96);color:var(--ink);box-shadow:0 22px 46px rgba(0,0,0,.24);backdrop-filter:blur(12px)}
.dock-scroll{height:100%;padding:17px;overflow:auto;overscroll-behavior:contain}
.dock-kicker{display:flex;align-items:center;justify-content:space-between;margin-bottom:9px}
.dock-kicker span{color:#6f6a60;font-size:9px;font-weight:900;letter-spacing:.13em}
.dock-kicker b{padding:4px 7px;border-radius:6px;background:#efe8d6;color:#6d6251;font-size:9px}
.dock-kicker b.done{background:#dcefe4;color:#1e6841}
.conflict{margin:0 0 10px;font-size:12.5px;font-weight:700;line-height:1.65}
.assignment-box{margin:0 0 15px;padding:10px 11px;border-left:3px solid var(--orange);background:#f1ecdf}
.assignment-box small{display:block;margin-bottom:3px;color:#847b6b;font-size:9px;font-weight:800;letter-spacing:.08em}
.assignment-box p{margin:0;color:#39352e;font-size:11px;line-height:1.55}
.decision-dock h2{margin:0 0 10px;font-family:var(--serif);font-size:17px;line-height:1.45}
.decision-list{display:grid;gap:8px}
.decision-option{position:relative;width:100%;padding:10px 12px;border:1px solid #d9d0be;border-radius:11px;background:white;color:var(--ink);text-align:left;cursor:pointer}
.decision-option:hover{border-color:var(--orange);transform:translateY(-1px)}
.decision-option.selected{border-color:var(--orange);box-shadow:0 0 0 2px rgba(233,91,42,.13);background:#fff9f2}
.decision-option:disabled{cursor:not-allowed;opacity:.62;transform:none}
.decision-option b{display:block;margin-bottom:2px;font-size:12.5px}
.decision-option small{display:block;color:#7e776b;font-size:9.5px}
.decision-option .decision-mark{position:absolute;top:9px;right:10px;color:var(--orange);font-weight:900}
.persona-option{padding-right:58px}
.persona-option .need-badge{position:absolute;right:9px;bottom:9px;padding:3px 6px;border-radius:99px;background:#e7efe8;color:#346146;font-size:8.5px;font-weight:800}
.selection-summary{margin-top:10px;padding:10px;border-radius:10px;background:#e9efe9;color:#244533;font-size:11px;line-height:1.55}
.selection-summary b{color:#173d2a}
.primary-action,.secondary-action{width:100%;margin-top:11px;padding:11px 14px;border:0;border-radius:10px;font-weight:900;cursor:pointer}
.primary-action{background:var(--orange);color:white}
.primary-action:disabled{background:#bcb7ab;color:#eeece6;cursor:not-allowed}
.secondary-action{background:var(--ink);color:white}

.knowledge-ribbon{position:absolute;z-index:4;left:24px;bottom:158px;width:calc(63% - 42px);padding:13px 14px;border:1px solid rgba(255,255,255,.18);border-radius:14px;background:rgba(10,19,13,.73);backdrop-filter:blur(10px)}
.ribbon-head{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:9px}
.ribbon-head small{display:block;color:var(--gold);font-size:8px;letter-spacing:.14em}
.ribbon-head h2{margin:2px 0 0;font-size:13px}
.ribbon-head>span{color:#c5c2b8;font-size:9px}
.knowledge-chips{display:flex;flex-wrap:wrap;gap:6px}
.knowledge-chip{position:relative;padding:7px 9px 7px 21px;border:1px solid rgba(255,255,255,.22);border-radius:8px;background:rgba(255,255,255,.07);color:#f3eee2;font-size:10px;cursor:pointer}
.knowledge-chip::before{content:"";position:absolute;left:8px;top:50%;width:7px;height:7px;border-radius:50%;transform:translateY(-50%);background:#5a665e}
.knowledge-chip.touched{border-color:#a9a5d9}.knowledge-chip.touched::before{background:transparent;border:2px solid #aaa3ed}
.knowledge-chip.evidenced{border-color:#efb764;background:rgba(239,183,100,.14)}.knowledge-chip.evidenced::before{background:#efb764}
.knowledge-chip.mastered{border-color:#70cf92;background:rgba(112,207,146,.18)}.knowledge-chip.mastered::before{background:#70cf92;box-shadow:0 0 0 3px rgba(112,207,146,.14)}
.status-legend{display:flex;flex-wrap:wrap;gap:10px;margin-top:9px;color:#bdb9af;font-size:8px}
.status-legend span{display:flex;align-items:center;gap:4px}
.status-legend i{width:6px;height:6px;border-radius:50%;background:#5a665e}
.status-legend i.touched{background:transparent;border:1px solid #aaa3ed}
.status-legend i.evidenced{background:#efb764}.status-legend i.mastered{background:#70cf92}

.dialogue-box{position:absolute;z-index:6;left:23px;right:23px;bottom:20px;min-height:118px;display:grid;grid-template-columns:54px 1fr auto;align-items:center;gap:13px;padding:14px 15px;border:1px solid rgba(243,200,75,.55);border-radius:15px;background:rgba(10,17,12,.91);box-shadow:0 15px 40px rgba(0,0,0,.25);backdrop-filter:blur(11px)}
.speaker-avatar{width:52px;height:52px;display:grid;place-items:center;border-radius:14px 14px 5px 14px;background:var(--gold);color:var(--ink);font-family:var(--serif);font-size:25px;font-weight:900}
.speaker-line{display:flex;align-items:baseline;gap:8px}
.speaker-line b{color:var(--gold);font-size:13px}.speaker-line span{color:#c3c0b6;font-size:9px}.speaker-line em{margin-left:auto;color:#8d938e;font-size:8px;font-style:normal}
.dialogue-content p{margin:6px 0 0;color:#f5f0e5;font-size:13px;line-height:1.65}
.dialogue-next{align-self:end;padding:9px 14px;border:1px solid rgba(255,255,255,.25);border-radius:9px;background:rgba(255,255,255,.08);color:white;font-size:11px;cursor:pointer}
.dialogue-next:hover{background:var(--gold);color:var(--ink)}

.lesson-brief{max-width:1540px;margin:14px auto 0;display:grid;grid-template-columns:1.05fr 1fr 1fr auto;gap:9px}
.lesson-brief article{display:grid;grid-template-columns:38px 1fr;gap:10px;min-height:104px;padding:14px;border:1px solid var(--line);border-radius:13px;background:#17241c}
.brief-num{width:34px;height:34px;display:grid;place-items:center;border:1px solid rgba(243,200,75,.4);border-radius:9px;color:var(--gold);font-size:10px;font-weight:900}
.lesson-brief small{display:block;margin-bottom:7px;color:#9f9e95;font-size:9px;font-weight:900;letter-spacing:.1em}
.lesson-brief p{margin:0;color:#e4dfd3;font-size:11px;line-height:1.6}
.evidence-list{display:flex;flex-wrap:wrap;gap:5px}
.evidence-list span{padding:4px 6px;border-radius:5px;background:#24362a;color:#ded8cb;font-size:9px}
.brief-actions{display:flex;flex-direction:column;gap:8px;min-width:170px}
.brief-actions a,.brief-actions button{flex:1;display:grid;place-items:center;padding:10px 13px;border:0;border-radius:11px;text-align:center;text-decoration:none;font-size:11px;font-weight:800;cursor:pointer}
.brief-agent{background:var(--gold);color:var(--ink)}
.brief-actions button{background:#273b2e;color:var(--paper)}

.drawer-section{margin-bottom:22px}
.drawer-section>small{display:block;margin-bottom:7px;color:#8c8373;font-size:9px;font-weight:900;letter-spacing:.13em}
.drawer-section h3{margin:0 0 8px;font-family:var(--serif);font-size:16px}
.drawer-section p{margin:0;color:#4f4a42;font-size:11.5px;line-height:1.7}
.drawer-card{margin-bottom:9px;padding:11px;border:1px solid #dcd2bf;border-radius:11px;background:white}
.drawer-card.active{border-color:var(--orange);background:#fff8f0}
.drawer-card .eyebrow{display:flex;justify-content:space-between;gap:8px;margin-bottom:5px;color:#8a8173;font-size:8px;font-weight:900;letter-spacing:.08em}
.drawer-card h4{margin:0 0 5px;font-size:12.5px}.drawer-card p{font-size:10.5px}
.drawer-card button,.drawer-card a,.drawer-link{display:inline-flex;margin-top:8px;padding:7px 9px;border:1px solid #cfc4b0;border-radius:7px;background:#f8f3e8;color:var(--ink);font-size:10px;font-weight:800;text-decoration:none;cursor:pointer}
.route-grid,.persona-grid-drawer{display:grid;gap:7px}
.route-row{display:grid;grid-template-columns:34px 1fr;gap:9px;padding:9px;border:1px solid #ddd4c3;border-radius:10px;background:white}
.route-row .route-icon{width:32px;height:32px;display:grid;place-items:center;border-radius:8px;background:#1e4b37;color:white;font-size:18px}
.route-row b{font-size:11px}.route-row small{display:block;margin-top:2px;color:#777064;font-size:9px}
.rule-list{display:grid;gap:6px;margin:0;padding:0;list-style:none}
.rule-list li{padding:8px 9px;border-left:3px solid var(--green-2);background:white;color:#413d36;font-size:10.5px;line-height:1.55}
.rule-list.risk li{border-left-color:var(--orange)}
.mastery-row{display:grid;grid-template-columns:74px 1fr 30px;align-items:center;gap:8px;margin-bottom:8px;font-size:10px}
.mastery-row .track{height:6px;border-radius:9px;background:#dfd8c8;overflow:hidden}.mastery-row .track i{display:block;height:100%;background:var(--green-2)}
.drawer-node{display:grid;grid-template-columns:9px 1fr auto;align-items:center;gap:8px;width:100%;padding:9px;border:0;border-bottom:1px solid #e6dece;background:transparent;color:var(--ink);text-align:left;cursor:pointer}
.drawer-node>i{width:7px;height:7px;border-radius:50%;background:#aaa49a}.drawer-node.touched>i{background:#aaa3ed}.drawer-node.evidenced>i{background:#e8a84f}.drawer-node.mastered>i{background:#55ad76}
.drawer-node b{display:block;font-size:11px}.drawer-node small{color:#8d8577;font-size:8.5px}.drawer-node>span:last-child{color:#938c7f;font-size:9px}
.profile-form label{display:block;margin-bottom:10px;color:#554f45;font-size:10px;font-weight:800}
.profile-form input,.profile-form select{width:100%;margin-top:5px;padding:9px;border:1px solid #d5cbb8;border-radius:8px;background:white;color:var(--ink)}
.danger-button{width:100%;margin-top:8px;padding:9px;border:1px solid #d87965;border-radius:8px;background:white;color:#a33d2a;font-size:10px;font-weight:800;cursor:pointer}

.modal{position:fixed;z-index:100;inset:0;display:none;align-items:center;justify-content:center;padding:20px;background:rgba(5,10,7,.78);backdrop-filter:blur(8px)}
.modal.show{display:flex}
.modal-panel{position:relative;width:min(620px,100%);max-height:90vh;padding:24px;overflow:auto;border:1px solid #ded4c1;border-radius:17px;background:var(--paper);color:var(--ink);box-shadow:var(--shadow)}
.profile-panel{width:min(520px,100%)}
.modal-kicker{margin:0 0 6px;color:var(--orange);font-size:9px;font-weight:900;letter-spacing:.13em}
.modal-panel h2{margin:0 0 8px;font-family:var(--serif);font-size:25px}
.modal-intro{margin:0 0 18px;color:#716a5f;font-size:12px;line-height:1.7}
.profile-panel>label{display:block;margin-bottom:13px;color:#4b463e;font-size:11px;font-weight:800}
.profile-panel input[type=text],.profile-panel input:not([type]),.profile-panel select{width:100%;margin-top:6px;padding:11px;border:1px solid #d6cbb7;border-radius:9px;background:white;color:var(--ink)}
.profile-panel fieldset{margin:0 0 13px;padding:0;border:0}
.profile-panel legend{margin-bottom:7px;color:#4b463e;font-size:11px;font-weight:800}
.radio-card{display:inline-flex;align-items:center;gap:4px;margin:0 5px 5px 0;padding:8px 9px;border:1px solid #d8ceba;border-radius:8px;background:white;color:#3d3933;font-size:10px}
.modal-close{position:absolute;top:14px;right:14px;width:35px;height:35px;border:1px solid #d4cab7;border-radius:50%;background:white;color:var(--ink);font-size:20px;cursor:pointer}
.node-id{display:inline-flex;margin-bottom:7px;padding:4px 7px;border-radius:6px;background:#e8e1d2;color:#635b4e;font-size:9px;font-weight:900;letter-spacing:.08em}
.node-status{display:inline-flex;margin-left:6px;padding:4px 7px;border-radius:6px;background:#e8e1d2;color:#635b4e;font-size:9px;font-weight:900}
.node-status.touched{background:#e3e0f6;color:#554ea1}.node-status.evidenced{background:#f8e6c8;color:#8f5d18}.node-status.mastered{background:#dcefe3;color:#276342}
.node-description{margin:14px 0;padding:13px;border-left:3px solid var(--orange);background:white;color:#3f3a33;font-size:12px;line-height:1.75}
.node-goal{color:#5e574c;font-size:11px;line-height:1.7}
.node-evidence{margin-top:14px;padding-top:13px;border-top:1px solid #ddd3c0}
.node-evidence h3{margin:0 0 8px;font-size:12px}
.node-evidence-item{margin-bottom:7px;padding:8px;border-radius:8px;background:white;color:#4d473e;font-size:10px;line-height:1.55}
.node-actions{display:flex;gap:8px;margin-top:15px}
.node-actions a{padding:9px 11px;border-radius:8px;background:var(--ink);color:white;font-size:10px;font-weight:800;text-decoration:none}

.toast{position:fixed;z-index:130;left:50%;bottom:25px;max-width:min(520px,90vw);padding:10px 15px;border-radius:9px;background:#fff;color:var(--ink);font-size:11px;font-weight:800;box-shadow:0 12px 32px rgba(0,0,0,.34);opacity:0;transform:translate(-50%,15px);pointer-events:none;transition:.22s}
.toast.show{opacity:1;transform:translate(-50%,0)}

@media(max-width:1200px){
  .project-chips .state-chip{min-width:100px}.state-chip.accent{display:none}
  .decision-dock{width:390px}.knowledge-ribbon{width:calc(100% - 450px)}
  .lesson-brief{grid-template-columns:1fr 1fr 1fr}.brief-actions{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr}
}

@media(max-width:920px){
  .story-hud{height:68px;padding:0 12px}.brand{min-width:auto}.brand span:last-child{display:none}.hud-progress{display:none}.project-chips{margin-left:0}.state-chip{min-width:92px}.state-chip span{display:none}.hud-links{margin-left:auto}.hud-links a:first-child{display:none}
  .tool-rail{top:auto;right:0;bottom:0;width:auto;height:64px;flex-direction:row;justify-content:space-around;padding:5px 8px;border-top:1px solid var(--line);border-right:0}.tool-rail button{width:auto;flex:1}.rail-toggle{display:none}.rail-item{min-height:52px}.rail-item em{font-size:8px}
  .project-drawer{top:68px;left:0;bottom:64px;width:min(380px,88vw)}.drawer-scrim{inset:68px 0 64px 0}
  .story-main{margin-left:0;padding:82px 10px 86px}.chapter-track{margin-bottom:8px}.chapter-button{flex-basis:86px}
  .story-stage{height:auto;min-height:0;padding:105px 12px 12px;overflow:visible;background:#18271e}
  .scene-image,.scene-overlay{border-radius:17px}.scene-overlay{background:linear-gradient(0deg,rgba(7,13,9,.98) 0,rgba(7,13,9,.83) 62%,rgba(7,13,9,.48) 100%)}
  .scene-heading{position:relative;top:auto;left:auto;width:100%;min-height:190px}.scene-heading h1{font-size:30px}.scene-objective{font-size:12px}
  .cast-strip{top:15px;right:13px}.cast-card small{display:none}
  .decision-dock,.knowledge-ribbon,.dialogue-box{position:relative;top:auto;right:auto;bottom:auto;left:auto;width:100%;margin-top:11px}
  .decision-dock{height:auto;max-height:none}.dock-scroll{height:auto;max-height:none}
  .knowledge-ribbon{background:rgba(10,19,13,.9)}
  .dialogue-box{grid-template-columns:46px 1fr;min-height:0}.speaker-avatar{width:44px;height:44px;font-size:20px}.dialogue-next{grid-column:2;justify-self:end}
  .lesson-brief{grid-template-columns:1fr}.brief-actions{grid-column:auto}.lesson-brief article{min-height:0}
}

@media(max-width:600px){
  .state-chip{display:none}.project-chips .state-chip:first-child{display:block;max-width:130px}.hud-links a{padding:8px 9px}
  .tool-rail{overflow-x:auto;justify-content:flex-start}.rail-item{min-width:58px}
  .chapter-track{margin-left:-2px;margin-right:-2px}.chapter-button{flex-basis:78px;min-height:50px;padding:8px}
  .story-stage{padding-top:90px}.scene-heading{min-height:180px}.scene-heading h1{font-size:27px}.cast-card{padding-right:5px}.cast-card div:last-child{display:none}
  .decision-dock{border-radius:13px}.dock-scroll{padding:14px}
  .lesson-brief{margin-top:9px}.lesson-brief article{grid-template-columns:32px 1fr;padding:12px}.brief-actions{grid-template-columns:1fr}
  .project-drawer{width:92vw}.modal{padding:10px}.modal-panel{padding:20px 16px}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}

/* ── 专业主线建设中：借道提示与主线选择 ──────────────────────────
   只在「学生真实专业还没建成、正在用别的主线上课」时出现。
   刻意做成常驻横幅而不是一次性 toast——学生随时该知道自己看的不是本专业的项目。 */
.construction-notice{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  margin:0 0 14px;padding:10px 14px;
  border:1px solid rgba(232,178,58,.38);border-left:3px solid #e8b23a;
  border-radius:6px;background:rgba(232,178,58,.10);
  font-size:13px;line-height:1.6;color:#e8dcc0;
}
.construction-notice[hidden]{display:none;}
.construction-notice strong{font-weight:600;color:#f5c65a;}
.construction-notice .notice-link{
  margin-left:auto;padding:4px 10px;border:1px solid rgba(232,178,58,.55);
  border-radius:4px;background:transparent;color:#e8b23a;
  font-size:12px;cursor:pointer;white-space:nowrap;
}
.construction-notice .notice-link:hover{background:rgba(232,178,58,.18);}

.study-picker{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.study-picker .study-pick{flex:1 1 140px;}
.study-picker .muted{opacity:.7;font-size:13px;}