.brief{position:relative;min-height:100vh;overflow:hidden;display:flex;align-items:center;justify-content:center}.brief-bg-placeholder{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(165deg,#d9e6ff,#e9ddff 45%,#ffdcec)}.brief-bg{position:absolute;top:0;right:0;bottom:0;left:0;background-size:cover;background-position:center;opacity:0;transition:opacity .7s ease}.brief.has-bg .brief-bg{opacity:1}.brief-scrim{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:linear-gradient(to bottom,#ffffff80,#ffffffb8)}.brief-inner{position:relative;z-index:2;width:min(1120px,100%);padding:28px 22px 30px;display:flex;flex-direction:column;gap:16px}.brief-lead{text-align:center;font-size:13px;font-weight:800;letter-spacing:.06em;color:#7b6a86}.brief-body{display:grid;grid-template-columns:280px 1fr;gap:22px;align-items:stretch}.brief-char{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:8px}.brief-char-frame{position:relative;width:100%;flex:1;min-height:260px;display:flex;align-items:flex-end;justify-content:center}.brief-char-img{max-width:100%;max-height:46vh;object-fit:contain;opacity:0;transition:opacity .5s ease;filter:drop-shadow(0 10px 24px rgba(120,90,140,.28))}.brief.has-char .brief-char-img{opacity:1}.brief-char-placeholder{position:absolute;bottom:0;left:50%;transform:translate(-50%);width:170px;height:210px;border-radius:46% 46% 14% 14%/32% 32% 10% 10%;background:linear-gradient(180deg,#fffffff2,#e2d6f0e6);box-shadow:0 8px 24px #8c6eaa3d;display:grid;place-items:center;font-size:52px;transition:opacity .4s ease}.brief.has-char .brief-char-placeholder{opacity:0}.brief-char-name{font-size:19px;font-weight:900;color:var(--ink)}.brief-char-role{padding:3px 13px;border-radius:999px;background:#ffffffe6;box-shadow:0 2px 8px #785a8c29;font-size:12px;font-weight:800;color:var(--ink-soft)}.brief-card{background:#fffffff0;border:2px solid rgba(255,255,255,.9);border-radius:24px;box-shadow:0 12px 34px #6e508c38;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:24px 28px 26px}.brief-ep{display:inline-block;padding:4px 13px;border-radius:999px;background:linear-gradient(135deg,var(--pink),var(--pink-deep));color:#fff;font-size:11px;font-weight:900;letter-spacing:.1em}.brief-title{margin:10px 0 18px;font-size:24px;font-weight:900;line-height:1.35;word-break:keep-all}.brief-block+.brief-block{margin-top:16px;padding-top:16px;border-top:1px dashed rgba(120,90,140,.22)}.brief-block-head{display:flex;align-items:center;gap:6px;margin:0 0 6px;font-size:13px;font-weight:900;color:var(--pink-deep);letter-spacing:.02em}.brief-block-text{margin:0;font-size:15px;line-height:1.8;color:var(--ink);word-break:keep-all}.brief-block-tip{margin-top:16px;padding:14px 16px;border-top:none;border-radius:16px;background:linear-gradient(160deg,#fff7fb,#f3f8ff);border:1px solid #f2e2ef}.brief-block-tip .brief-block-head{color:#7c3aed}.brief-actions{display:flex;align-items:center;justify-content:center;gap:12px;position:relative}.brief-back{position:absolute;left:0;border:1px solid rgba(120,90,140,.22);background:#ffffffdb;border-radius:999px;padding:9px 18px;font-family:inherit;font-size:13px;font-weight:800;color:var(--ink-soft);cursor:pointer;transition:color .18s ease,border-color .18s ease}.brief-back:hover{color:var(--pink-deep);border-color:var(--pink-line)}.brief-start{border:none;border-radius:999px;padding:15px 58px;background:linear-gradient(135deg,var(--pink),var(--pink-deep));color:#fff;font-family:inherit;font-size:17px;font-weight:900;letter-spacing:.1em;cursor:pointer;box-shadow:0 8px 22px #ff6fa57a;transition:transform .16s ease,box-shadow .16s ease;animation:brief-start-pulse 2s ease-in-out infinite}.brief-start:hover{transform:translateY(-2px);box-shadow:0 12px 30px #ff6fa594}@keyframes brief-start-pulse{0%,to{box-shadow:0 8px 22px #ff6fa57a}50%{box-shadow:0 8px 30px #ff6fa5b8}}@media(max-width:860px){.brief-body{grid-template-columns:200px 1fr;gap:16px}.brief-title{font-size:21px}.brief-card{padding:20px 20px 22px}}@media(max-width:620px){.brief{align-items:flex-start}.brief-inner{padding:18px 14px 24px;gap:12px}.brief-body{grid-template-columns:1fr}.brief-char{flex-direction:row;justify-content:center;gap:12px}.brief-char-frame{width:96px;min-height:108px;flex:none}.brief-char-img{max-height:108px}.brief-char-placeholder{width:84px;height:100px;font-size:32px}.brief-block-text{font-size:14px;line-height:1.72}.brief-actions{flex-direction:column-reverse;gap:10px}.brief-back{position:static}.brief-start{width:100%;padding:14px 0}}@media(prefers-reduced-motion:reduce){.brief-start{animation:none}.brief-bg,.brief-char-img,.brief-char-placeholder{transition:none}}.vn{position:relative;width:100%;min-height:100vh;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end}.vn-bg-placeholder{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(170deg,#cfe4ff,#e6dcff 45%,#ffd9ea);transition:background 1.2s ease}.vn.emotion-happy .vn-bg-placeholder{background:linear-gradient(170deg,#ffe3f1,#ffeaf6 45%,#fff3d9)}.vn.emotion-worry .vn-bg-placeholder{background:linear-gradient(170deg,#dfe6f5,#efe6f0 45%,#ffe9d6)}.vn.emotion-angry .vn-bg-placeholder{background:linear-gradient(170deg,#d8dbe8,#ecdcdc 45%,#ffdada)}.vn-bg-image{position:absolute;top:0;right:0;bottom:0;left:0;background-size:cover;background-position:center;background-repeat:no-repeat;opacity:0;transition:opacity .8s ease}.vn.has-bg .vn-bg-image{opacity:1}.vn-bg-vignette{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:radial-gradient(120% 70% at 50% 12%,transparent 40%,rgba(70,50,90,.18) 100%),linear-gradient(to bottom,transparent 45%,rgba(60,45,80,.28) 100%)}.vn-char-layer{position:absolute;left:50%;bottom:28vh;transform:translate(-50%);width:min(46vh,420px);height:62vh;display:flex;align-items:flex-end;justify-content:center;pointer-events:none}.vn-char-glow{position:absolute;bottom:4%;left:50%;transform:translate(-50%);width:90%;height:55%;border-radius:50%;background:radial-gradient(closest-side,rgba(255,255,255,.65),transparent 72%);filter:blur(6px)}.vn-char{position:absolute;bottom:0;left:50%;transform:translate(-50%);max-width:100%;max-height:100%;object-fit:contain;opacity:0;transition:opacity .55s ease}.vn-char.show{opacity:1}.vn-char-placeholder{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;width:100%;height:100%;transition:opacity .4s ease}.vn.has-char .vn-char-placeholder{opacity:0}.vn-char-face{font-size:clamp(48px,9vh,86px);line-height:1;margin-bottom:-2%;filter:drop-shadow(0 4px 10px rgba(120,90,140,.28));transition:transform .4s ease;z-index:1}.vn-char-body{width:72%;height:58%;border-radius:46% 46% 12% 12%/30% 30% 8% 8%;background:linear-gradient(180deg,#ffffffeb,#e2d6f0d9);box-shadow:0 -6px 26px #8c6eaa38;transition:background .6s ease}.vn-char-placeholder[data-emotion=happy] .vn-char-body{background:linear-gradient(180deg,#fff6faf2,#ffcee4e0)}.vn-char-placeholder[data-emotion=worry] .vn-char-body{background:linear-gradient(180deg,#fcfaf4f2,#f8dec2e0)}.vn-char-placeholder[data-emotion=angry] .vn-char-body{background:linear-gradient(180deg,#fff6f6f2,#ffc7c7e6)}.vn-chapter{position:absolute;top:18px;left:20px;display:inline-flex;align-items:center;gap:8px;max-width:min(46vw,420px);padding:9px 18px;border-radius:999px;background:#ffffffd1;box-shadow:0 4px 16px #785a8c2e;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);font-size:14px;font-weight:800;z-index:3}.chapter-heart{animation:heart-pulse 1.6s ease-in-out infinite}.chapter-num{font-weight:900;color:var(--pink-deep);letter-spacing:.06em}.chapter-sep{color:var(--pink-line)}.chapter-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.vn-hud{position:absolute;top:16px;right:20px;display:flex;flex-direction:column;align-items:flex-end;gap:8px;z-index:3}.ep-nodes{display:flex;align-items:center;gap:6px}.ep-node{display:grid;place-items:center;width:52px;height:46px;clip-path:polygon(25% 4%,75% 4%,100% 50%,75% 96%,25% 96%,0% 50%);background:#ffffffad;color:var(--ink-soft);font-size:10px;font-weight:900;letter-spacing:.04em;transition:transform .2s ease,background .2s ease,color .2s ease}.ep-node.past{background:#ffffffe6;color:var(--pink-deep)}.ep-node.current{background:linear-gradient(140deg,var(--pink),var(--pink-deep));color:#fff;transform:scale(1.14);box-shadow:0 4px 14px #ff6fa573}.vn-hud .gauge{background:#ffffffd1;border-color:#ffe3f0e6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.vn-hud .timer{background:#ffffffd1;border-color:#dff1ffe6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.vn-notice{position:absolute;top:74px;left:20px;z-index:3;max-width:min(52vw,520px)}.vn-bottom{position:relative;z-index:4;width:min(1180px,100%);margin:0 auto;padding:0 20px 18px;display:flex;flex-direction:column;gap:10px}.vn-dialogue{position:relative;min-height:132px;padding:26px 30px 24px;border-radius:24px;background:#ffffffe6;box-shadow:0 10px 34px #6e508c42;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:2px solid rgba(255,255,255,.9);cursor:pointer}.vn-name-pill{position:absolute;top:-17px;left:26px;display:inline-flex;align-items:center;gap:8px;padding:7px 20px;border-radius:999px;background:linear-gradient(135deg,var(--pink),var(--pink-deep));color:#fff;font-size:14px;font-weight:900;letter-spacing:.02em;box-shadow:0 4px 14px #ff6fa56b}.char-emotion-label{font-size:9px;font-weight:800;letter-spacing:.1em;opacity:.85;padding:2px 7px;border-radius:999px;background:#ffffff40}.vn-dialogue .bubble-text{margin:0;font-size:17px;line-height:1.75;min-height:3.5em;white-space:pre-wrap;word-break:keep-all}.vn-dialogue .bubble-text.thinking:after{content:"…";animation:blink 1s steps(1) infinite}.vn-dialogue .bubble-next{position:absolute;right:22px;bottom:14px;font-size:13px;color:var(--pink-deep);animation:bubble-bounce 1.2s ease-in-out infinite}.vn-dialogue.typing .bubble-next{visibility:hidden}@keyframes bubble-bounce{0%,to{transform:translateY(0);opacity:.55}50%{transform:translateY(4px);opacity:1}}.vn-input{display:flex;gap:10px;align-items:center}.vn-input .chat-input{flex:1;min-width:0;border:2px solid rgba(255,255,255,.9);background:#ffffffeb;border-radius:999px;padding:13px 22px;font-size:15px;font-family:inherit;color:var(--ink);outline:none;box-shadow:0 4px 16px #6e508c29;transition:border-color .18s ease,box-shadow .18s ease}.vn-input .chat-input::placeholder{color:#b3aec2}.vn-input .chat-input:focus{border-color:var(--pink);box-shadow:0 4px 20px #ff8fb857}.vn-input .chat-input:disabled{opacity:.6}.vn-input .send-btn{position:relative;flex-shrink:0;border:none;border-radius:999px;padding:13px 30px;background:linear-gradient(135deg,var(--pink),var(--pink-deep));color:#fff;font-family:inherit;font-size:14px;font-weight:900;letter-spacing:.04em;cursor:pointer;box-shadow:0 6px 18px #ff6fa573;transition:transform .15s ease,box-shadow .15s ease}.vn-input .send-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 9px 24px #ff6fa58c}.vn-input .send-btn:disabled{opacity:.62;cursor:default}.vn-input .send-btn .spinner{display:none;width:15px;height:15px;border:3px solid rgba(255,255,255,.42);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.vn-input .send-btn.loading .send-label{display:none}.vn-input .send-btn.loading .spinner{display:inline-block}.vn-input-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 8px;font-size:12px;font-weight:700;color:#6f6580}.vn-input-meta .msg-count{background:#ffffffb8;border-radius:999px;padding:3px 12px}.vn-input-meta .end-btn{border:1px solid rgba(255,255,255,.9);background:#ffffffb8;border-radius:999px;padding:5px 16px;font-family:inherit;font-size:12px;font-weight:800;color:#6f6580;cursor:pointer;transition:background .18s ease,color .18s ease}.vn-input-meta .end-btn:hover:not(:disabled){background:#fff;color:var(--pink-deep)}.vn-input-meta .end-btn:disabled{opacity:.5;cursor:default}.vn .error-toast{position:absolute;left:50%;bottom:210px;transform:translate(-50%) translateY(8px);z-index:6;max-width:min(90vw,560px);padding:11px 20px;border-radius:999px;background:#fff4f4f7;border:1px solid #ffc9c9;color:#c0392b;font-size:13px;font-weight:700;text-align:center;opacity:0;visibility:hidden;transition:opacity .25s ease,transform .25s ease}.vn .error-toast.show{opacity:1;visibility:visible;transform:translate(-50%) translateY(0)}@media(max-height:700px){.vn-char-layer{bottom:26vh;height:52vh;width:min(38vh,320px)}.vn-dialogue{min-height:112px;padding:22px 24px 20px}.vn-dialogue .bubble-text{font-size:15px;min-height:3em}}@media(max-width:860px){.vn-chapter{top:12px;left:12px;max-width:58vw;font-size:12px;padding:7px 14px}.vn-hud{top:10px;right:12px;gap:6px}.ep-node{width:40px;height:36px;font-size:8px}.vn-hud .gauge-track{width:120px}.vn-notice{top:60px;left:12px;max-width:76vw}}@media(max-width:560px){.vn-chapter{top:10px;left:10px;right:10px;max-width:none;font-size:12px;padding:7px 14px}.vn-hud{top:52px;left:10px;right:10px;flex-direction:row;align-items:center;justify-content:flex-end;gap:8px}.ep-nodes{display:none}.vn-hud .gauge{padding:6px 11px;gap:6px}.vn-hud .gauge-track{width:96px;height:13px}.vn-hud .gauge-num{font-size:12px}.vn-hud .timer{padding:6px 10px;font-size:12px}.vn-notice{top:96px}.vn-char-layer{bottom:34vh;height:40vh;width:min(28vh,200px)}.vn-bottom{padding:0 12px 12px;gap:8px}.vn-dialogue{min-height:100px;padding:20px 18px 18px;border-radius:20px}.vn-dialogue .bubble-text{font-size:14px;line-height:1.65;min-height:3em}.vn-name-pill{left:16px;font-size:12px;padding:6px 15px}.vn-input .chat-input{padding:11px 16px;font-size:14px}.vn-input .send-btn{padding:11px 18px;font-size:13px}.vn .error-toast{bottom:190px;font-size:12px}}@media(prefers-reduced-motion:reduce){.vn-char,.vn-bg-image,.vn-bg-placeholder,.vn-char-body{transition:none}.chapter-heart,.vn-dialogue .bubble-next{animation:none}}.cut{position:relative;width:100%;min-height:100vh;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;opacity:1;transition:opacity .32s ease;cursor:pointer}.cut.cut-out{opacity:0}.cut-bg-placeholder{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(170deg,#2b3350,#4a4668 55%,#6b5570);transition:background .9s ease}.cut-bg-placeholder[data-scene=street]{background:linear-gradient(170deg,#1e2740,#38405f,#5b4f66)}.cut-bg-placeholder[data-scene=alley]{background:radial-gradient(38% 30% at 50% 62%,rgba(255,224,170,.28),transparent 70%),linear-gradient(170deg,#161c2e,#2a2f47 60%,#3d3550)}.cut-bg-placeholder[data-scene=bookstore]{background:radial-gradient(50% 40% at 50% 40%,rgba(255,214,150,.34),transparent 72%),linear-gradient(170deg,#3a2b22,#5a4130 55%,#7a5a3c)}.cut-bg-placeholder[data-scene=book_cover]{background:radial-gradient(46% 38% at 50% 46%,rgba(255,232,186,.3),transparent 70%),linear-gradient(160deg,#4a2f22,#6d4426 55%,#8a5c30)}.cut-bg-placeholder[data-scene=book_open]{background:radial-gradient(52% 42% at 50% 44%,rgba(255,248,214,.72),transparent 72%),linear-gradient(170deg,#6b5a86,#8f7aa8,#c9a9c0)}.cut-bg-placeholder[data-scene=bookstore_night]{background:radial-gradient(46% 34% at 74% 32%,rgba(255,176,120,.42),transparent 72%),linear-gradient(170deg,#3a2c3d,#6a4550 55%,#a8695a)}.cut-bg{position:absolute;top:0;right:0;bottom:0;left:0;background-size:cover;background-position:center;background-repeat:no-repeat;opacity:0;transition:opacity .9s ease}.cut-bg.show{opacity:1}.cut-vignette{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:radial-gradient(120% 76% at 50% 20%,transparent 42%,rgba(10,8,20,.42) 100%),linear-gradient(to bottom,transparent 42%,rgba(10,8,20,.66) 100%)}.cut-char{position:absolute;z-index:2;left:50%;bottom:0;transform:translate(-50%);width:min(560px,74vw);height:min(76vh,100% - 190px);background-repeat:no-repeat;background-position:bottom center;background-size:contain;opacity:0;transition:opacity .55s ease,transform .55s ease;pointer-events:none}.cut-char.show{opacity:1}.cut-char:not(.show){transform:translate(-50%) translateY(10px)}.cut-skip{position:absolute;right:22px;bottom:22px;z-index:5;padding:9px 18px;border:1px solid rgba(255,255,255,.4);border-radius:999px;background:#14101e6b;color:#ffffffe6;font-family:inherit;font-size:12px;font-weight:800;letter-spacing:.04em;cursor:pointer;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);transition:background .18s ease,color .18s ease,border-color .18s ease}.cut-skip:hover{background:#ffffffeb;color:#4a4a5a;border-color:#fff}.cut-stage{position:relative;z-index:3;width:100%;padding:0 20px 84px;display:flex;justify-content:center}.cut-box{width:min(1000px,100%);min-height:132px;padding:26px 30px 18px;border-radius:22px;background:#ffffffe6;border:2px solid rgba(255,255,255,.85);box-shadow:0 14px 40px #0a081866;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;flex-direction:column;justify-content:space-between}.cut-text{margin:0;font-size:18px;line-height:1.85;color:var(--ink);white-space:pre-wrap;word-break:keep-all;min-height:3.2em}.cut-text-in{animation:cut-fade-in .4s ease}@keyframes cut-fade-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}.cut-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:10px}.cut-progress{font-size:11px;font-weight:800;letter-spacing:.08em;color:var(--ink-soft)}.cut-next{border:none;border-radius:999px;padding:9px 22px;background:linear-gradient(135deg,var(--pink),var(--pink-deep));color:#fff;font-family:inherit;font-size:13px;font-weight:900;cursor:pointer;box-shadow:0 5px 16px #ff6fa56b;animation:cut-next-bounce 1.4s ease-in-out infinite;transition:transform .15s ease}.cut-next:hover{transform:translateY(-2px)}.cut-box.typing .cut-next{animation:none;opacity:.75}@keyframes cut-next-bounce{0%,to{transform:translateY(0)}50%{transform:translateY(3px)}}@media(max-height:700px){.cut-stage{padding-bottom:74px}.cut-box{min-height:112px;padding:20px 24px 14px}.cut-text{font-size:16px;min-height:2.8em}}@media(max-width:560px){.cut-char{width:86vw;height:min(58vh,100% - 200px)}.cut-stage{padding:0 12px 72px}.cut-box{min-height:108px;padding:18px 18px 14px;border-radius:18px}.cut-text{font-size:15px;line-height:1.75;min-height:3em}.cut-skip{right:12px;bottom:14px;padding:7px 14px;font-size:11px}.cut-next{padding:8px 18px;font-size:12px}}@media(prefers-reduced-motion:reduce){.cut,.cut-bg,.cut-bg-placeholder,.cut-char{transition:none}.cut-next,.cut-text-in{animation:none}}