:root{--bg:#f6f7fb;--surface:#fff;--ink:#18212f;--muted:#7d8797;--line:#e9edf3;--accent:#5d5ce2;--accent-2:#7d78ee;--soft:#f0efff;--green:#38a17a;--shadow:0 14px 45px rgba(41,49,78,.08);font-family:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:linear-gradient(135deg,#fafbff 0%,#f4f5fa 100%);min-height:100vh}.app-shell{min-height:100vh;max-width:1540px;margin:auto}.topbar{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 36px;border-bottom:1px solid rgba(225,229,237,.75);background:rgba(250,251,255,.85);backdrop-filter:blur(18px);position:sticky;top:0;z-index:5}.brand{display:flex;gap:12px;align-items:center;border:0;background:none;color:var(--ink);cursor:pointer;text-align:left}.brand-mark,.mini-avatar{display:grid;place-items:center;color:#fff;background:linear-gradient(140deg,#7471ef,#4d4acc);border-radius:13px;font-weight:700;box-shadow:0 6px 16px #645fe633}.brand-mark{width:38px;height:38px}.brand strong{display:block;font-size:15px;letter-spacing:.02em}.brand small{display:block;color:var(--muted);font-size:11px;margin-top:2px}.top-actions{display:flex;gap:14px;align-items:center}.account-link{border:0;background:transparent;color:#6f72a0;display:flex;align-items:center;gap:6px;font-size:12px;cursor:pointer;padding:8px}.account-link-icon{font-size:16px;color:var(--accent)}.avatar-button,.profile-avatar{border-radius:50%;display:grid;place-items:center;font-weight:700}.avatar-button{border:0;background:#f3c7af;color:#77483d;width:38px;height:38px;cursor:pointer}.main-layout{display:grid;grid-template-columns:285px minmax(430px,780px) 300px;gap:24px;padding:28px 36px;align-items:start}.sidebar,.profile-panel{padding-top:10px}.profile-panel{display:none}.profile-panel.profile-visible{display:block}.sidebar-heading,.section-title{display:flex;align-items:center;justify-content:space-between}.sidebar-heading{font-size:13px;color:var(--muted);font-weight:700;padding:0 12px 12px}.icon-button,.more-button{border:0;background:none;color:var(--muted);font-size:22px;cursor:pointer}.conversation{display:flex;width:100%;gap:11px;text-align:left;border:0;background:transparent;padding:14px 12px;border-radius:14px;cursor:pointer;color:var(--ink);margin-bottom:3px}.conversation.active{background:#fff;box-shadow:var(--shadow)}.conversation-icon{color:var(--accent);font-size:17px;width:22px;text-align:center}.conversation-icon.quiet{color:#afb7c6}.conversation b,.conversation small{display:block}.conversation b{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:195px}.conversation small{font-size:11px;color:var(--muted);margin-top:5px}.sidebar-footer{margin:30px 12px;color:#8b95a2;font-size:11px;display:flex;align-items:center;gap:7px}.status-dot{width:7px;height:7px;border-radius:50%;background:#53c58d;box-shadow:0 0 0 4px #53c58d1f}.chat-panel{background:var(--surface);min-height:calc(100vh - 132px);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:24px;display:flex;flex-direction:column;overflow:hidden}.chat-header{padding:28px 30px 21px;display:flex;justify-content:space-between;border-bottom:1px solid var(--line)}.eyebrow{font-size:10px;text-transform:uppercase;letter-spacing:.14em;color:#9996bb;font-weight:800;margin:0 0 7px}.chat-header h1{font-size:20px;margin:0;letter-spacing:-.02em}.chat-notice{margin:18px 26px 4px;padding:11px 13px;background:#faf9ff;border:1px solid #eeeaff;border-radius:11px;color:#8785a4;font-size:11px;display:flex;gap:8px;align-items:center;line-height:1.5}.chat-notice span:first-child{color:var(--accent)}.chat-notice button{margin-left:auto;border:0;background:none;color:#b7b7c8;font-size:16px;cursor:pointer}.messages{padding:15px 30px 10px;flex:1}.date-divider{text-align:center;color:#b7becb;font-size:10px;margin:9px 0 22px}.date-divider span{background:#f7f8fb;padding:5px 10px;border-radius:10px}.message-row{display:flex;gap:10px;margin:17px 0;max-width:89%}.message-row.user{margin-left:auto;justify-content:flex-end}.mini-avatar{width:27px;height:27px;border-radius:9px;font-size:11px;flex:none}.message-bubble{font-size:13px;line-height:1.75;padding:12px 15px;border-radius:4px 16px 16px 16px;background:#f5f6fa;color:#364153}.message-row.user .message-bubble{background:#6361dd;color:#fff;border-radius:16px 4px 16px 16px}.message-bubble p{margin:0 0 6px}.message-bubble p:last-child{margin-bottom:0}.message-bubble.emphasis{background:#f0efff;border:1px solid #e6e4ff;color:#32356c}.message-row time{display:block;color:#b4bbc7;font-size:10px;margin:6px 3px}.message-row.user time{text-align:right}.source-chip{display:inline-block;color:#6d69ce;background:#f5f3ff;border:1px solid #e6e3ff;padding:5px 8px;border-radius:6px;font-size:10px;margin-top:8px}.composer-wrap{padding:12px 25px 18px;border-top:1px solid var(--line)}.quick-prompts{display:flex;gap:7px;overflow:auto;margin-bottom:10px}.quick-prompts button{white-space:nowrap;color:#74788b;background:#fbfbfd;border:1px solid #e9ebf1;border-radius:17px;padding:7px 11px;font-size:11px;cursor:pointer}.composer{display:flex;align-items:flex-end;gap:10px;background:#f7f8fb;border:1px solid #edf0f5;padding:8px 8px 8px 14px;border-radius:15px}.composer textarea{resize:none;outline:0;border:0;background:transparent;flex:1;font:inherit;font-size:13px;line-height:1.6;max-height:88px;color:var(--ink)}.send-button{width:34px;height:34px;border:0;border-radius:11px;background:var(--accent);color:#fff;font-size:19px;cursor:pointer;box-shadow:0 6px 13px #5d5ce238}.composer-note{color:#a0a7b5;font-size:10px;text-align:center;margin:9px 0 0}.composer-note b{color:#7772ce}.profile-card{display:flex;align-items:center;gap:11px;padding:8px 5px 20px}.profile-avatar{width:48px;height:48px;background:#f3c7af;color:#77483d;font-size:18px}.profile-card h2{font-size:15px;margin:0 0 3px}.profile-card p{font-size:11px;color:var(--muted);margin:0}.edit-button{margin-left:auto;border:0;background:none;color:var(--accent);font-size:11px;cursor:pointer}.balance-card{border-radius:17px;padding:19px;background:linear-gradient(145deg,#6563e5,#817cf0);color:#fff;display:flex;align-items:center;justify-content:space-between;box-shadow:0 12px 24px #615de533}.balance-card span{opacity:.75;font-size:11px}.balance-card strong{display:block;font-size:25px;margin-top:5px;letter-spacing:-.04em}.balance-card button{border:1px solid #ffffff55;color:#fff;background:#ffffff1c;border-radius:9px;padding:8px 12px;font-size:11px;cursor:pointer}.profile-section{padding:24px 5px 0}.section-title h3{font-size:13px;margin:0}.section-title>span{font-size:10px;color:var(--muted)}.usage-row{display:flex;justify-content:space-between;font-size:11px;color:#8a92a0;padding:12px 0 0}.usage-row b{color:#384050;font-weight:600}.usage-bar{height:6px;background:#eef0f5;border-radius:5px;margin-top:13px;overflow:hidden}.usage-bar i{display:block;width:31%;height:100%;background:#7b78eb;border-radius:5px}.profile-link{width:100%;background:transparent;border:0;border-bottom:1px solid var(--line);padding:14px 0;display:flex;align-items:center;gap:10px;color:#556071;font-size:12px;cursor:pointer}.profile-link>span:nth-child(2){flex:1;text-align:left}.profile-link>span:last-child{color:#b0b7c3;font-size:18px}.link-icon{color:#7b78e9;font-size:15px;width:20px}.mobile-nav{display:none}.profile-view .sidebar,.profile-view .chat-panel{display:none}.profile-view .main-layout{display:block;max-width:620px;margin:auto}.profile-view .profile-panel{display:block;padding-top:16px}.modal-backdrop{position:fixed;inset:0;background:#22274255;backdrop-filter:blur(7px);display:grid;place-items:center;padding:20px;z-index:20}.modal-backdrop[hidden]{display:none}.modal{width:min(410px,100%);background:#fff;border-radius:22px;padding:28px;box-shadow:0 24px 70px #25284233;position:relative}.modal h2{font-size:21px;margin:0 0 7px}.modal-copy{font-size:12px;line-height:1.7;color:var(--muted);margin:0 0 20px}.modal-close{position:absolute;right:16px;top:13px;background:none;border:0;font-size:23px;color:#a7aebb;cursor:pointer}.amount-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-bottom:17px}.amount-grid button{background:#fafbff;border:1px solid var(--line);color:#3c4656;border-radius:11px;padding:13px 7px;cursor:pointer;font-size:13px}.amount-grid button.selected{border-color:#8986ee;background:#f2f1ff;color:#5d5ce2}.amount-grid small{display:block;font-size:9px;color:#8b87db;margin-top:3px}.primary-button{width:100%;background:var(--accent);color:#fff;border:0;border-radius:11px;padding:13px;font-size:13px;font-weight:700;cursor:pointer}.tiny-note{text-align:center;color:#b0b6c0;font-size:10px}.transactions-modal .section-title{margin-bottom:18px}.transaction{display:flex;align-items:center;gap:10px;padding:13px 0;border-top:1px solid var(--line)}.transaction-icon{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;background:#efeeff;color:#6d69da}.transaction-icon.recharge{background:#e8f7ef;color:#3ca479}.transaction div{flex:1}.transaction b,.transaction small{display:block}.transaction b{font-size:12px}.transaction small{font-size:10px;color:var(--muted);margin-top:3px}.transaction strong{font-size:11px;color:#555f72}.transaction strong.income{color:#3ca479}.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);background:#202735;color:#fff;border-radius:10px;padding:11px 15px;font-size:12px;opacity:0;pointer-events:none;transition:.25s;z-index:30}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:1050px){.main-layout{grid-template-columns:220px minmax(420px,1fr);padding:22px}.profile-panel{display:none}.mobile-nav{display:none}}
@media(max-width:700px){body{background:#fff}.topbar{height:63px;padding:0 16px}.brand-mark{width:32px;height:32px;border-radius:10px}.brand strong{font-size:14px}.account-link{font-size:11px}.avatar-button{width:32px;height:32px}.main-layout{display:block;padding:0}.sidebar{display:none}.chat-panel{border:0;border-radius:0;box-shadow:none;min-height:calc(100vh - 63px);padding-bottom:63px}.chat-header{padding:20px 18px 15px}.chat-header h1{font-size:17px}.chat-notice{margin:13px 16px 0;font-size:10px}.messages{padding:10px 16px}.message-row{max-width:94%;margin:14px 0}.message-bubble{font-size:12px;padding:10px 12px}.composer-wrap{padding:10px 13px 12px;position:sticky;bottom:63px;background:#fff}.quick-prompts{margin-bottom:8px}.composer-note{font-size:9px}.mobile-nav{position:fixed;display:flex;bottom:0;left:0;right:0;height:63px;background:#fff;border-top:1px solid var(--line);z-index:10;padding-bottom:env(safe-area-inset-bottom)}.mobile-nav button{flex:1;border:0;background:none;color:#a7afbc;font-size:10px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px}.mobile-nav button span{font-size:19px}.mobile-nav button.active{color:var(--accent)}.profile-panel.mobile-visible{display:block;padding:16px 18px 90px}.profile-panel.mobile-visible .profile-card{padding-top:4px}.profile-panel.mobile-visible~.chat-panel{display:none}}
.clarify-card{margin-top:9px;background:#faf9ff;border:1px solid #e6e4ff;border-radius:13px;padding:11px;display:flex;flex-direction:column;gap:5px;max-height:62vh;overflow-y:auto}.clarify-title{margin:0;font-size:11px;font-weight:700;color:#4b4699}.clarify-option{text-align:left;background:#fff;border:1px solid #e6e4ff;color:#3c4256;border-radius:10px;padding:7px 10px;font-size:12px;line-height:1.5;cursor:pointer;transition:.15s}.clarify-option:hover{border-color:#8986ee;background:#f4f3ff}.clarify-option.selected{border-color:#5d5ce2;background:#efedff;color:#4b46b8;font-weight:600}.clarify-option:disabled{cursor:default;opacity:.55}.clarify-option.selected:disabled{opacity:1}.clarify-extra{border:0;border-top:1px dashed #dedaff;background:none;color:#7772ce;font-size:11px;padding:6px 2px 0;cursor:pointer;text-align:left}
.typing-row{display:flex;gap:10px;margin:17px 0}.typing-dots{display:inline-flex;gap:5px;align-items:center;background:#f5f6fa;border-radius:4px 16px 16px 16px;padding:13px 16px}.typing-dots i{width:7px;height:7px;border-radius:50%;background:#9aa3b8;animation:blink 1.2s infinite}.typing-dots i:nth-child(2){animation-delay:.2s}.typing-dots i:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,100%{opacity:.25}40%{opacity:1}}.answer-meta{display:block;color:#a4abc0;font-size:10px;margin-top:7px}.chat-shell{max-width:860px;margin:0 auto}
.message-bubble p{margin:0 0 12px}.message-bubble p:last-child{margin-bottom:0}.message-bubble .md-h{font-weight:700;color:#34386f;font-size:13.5px;margin:16px 0 9px;padding-left:9px;border-left:3px solid #8986ee}.message-bubble p.md-h:first-child{margin-top:2px}.message-bubble strong{font-weight:700;color:inherit}
/* 流式输出光标（独立动画名，勿与打点 blink 冲突） */
.cursor{display:inline-block;color:#8986ee;margin-left:2px;animation:blink-cursor 1s step-end infinite}
@keyframes blink-cursor{50%{opacity:0}}

/* 等待行：文案＋动态省略号 */
.typing-wrap{display:inline-flex;align-items:center;gap:9px;background:#f5f6fa;border-radius:4px 16px 16px 16px;padding:13px 16px}
.typing-dots{background:none;padding:0;border-radius:0}
.typing-label{font-size:13px;color:#5a616e}
/* 阶段选项：行首档名加粗 */
.clarify-option b{color:#4b4699}

/* 本人头像 */
.mini-avatar{overflow:hidden}
.mini-avatar img{width:100%;height:100%;object-fit:cover;border-radius:inherit;display:block}

.brand-mark{overflow:hidden}
.brand-mark img{width:100%;height:100%;object-fit:cover;border-radius:inherit;display:block}

/* 开场介绍卡 */
.chat-notice.intro{display:flex;align-items:flex-start;gap:10px;padding:18px 20px}
.intro-star{color:var(--accent);flex:none}
.intro-body{font-size:13px;line-height:1.75;color:#364153}
.intro-body p{margin:0 0 10px}
.intro-body p:last-child{margin-bottom:0}
.intro-body ol{margin:2px 0 12px;padding-left:20px}
.intro-body li{margin:4px 0}
.intro-body strong{color:#514d94}

.chat-notice.intro .mini-avatar{flex:none;width:30px;height:30px;margin-top:3px}