*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%;background:#0d0a16;display:flex;justify-content:center;align-items:center;font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Hiragino Sans GB',sans-serif}
.phone{width:375px;height:700px;border-radius:44px;border:1.5px solid rgba(127,119,221,0.3);background:#130f1e;overflow:hidden;position:relative;box-shadow:0 0 60px rgba(83,74,183,0.12)}
.scr{display:none;flex-direction:column;height:100%;animation:fadeIn .15s ease-out;position:relative;overflow:hidden}

/* 微信浏览器适配：使用 padding-top 给 body，不影响 phone 容器 */
body.wechat-padding {
  padding-top: 20px;
}

/* 刘海屏适配 */
body.wechat-padding.notch-device {
  padding-top: 24px;
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes dots{0%,20%{content:'.'}40%{content:'..'}60%,100%{content:'...'}}
.scr.on{display:flex}
:root{
  /* ── 现有变量（向后兼容）── */
  --i:#ede6f8;--i2:#c4b4e0;--i3:#7a6a98;
  --s0:#130f1e;--s1:#1c1530;--s2:#251c3d;--s3:#38275a;
  --rose:#e8a0b8;--rosedk:#c4607e;--rosebg:#280f1e;
  --jade:#7fcfb0;--jadebg:#0a1e14;
  --gold:#e8c570;--goldbg:#1e1508;
  --b:rgba(127,119,221,0.18);

  /* ── 新中式·水墨丹青 设计Token（2026-03-31）── */

  /* 背景层 */
  --color-bg:#09060d;
  --color-bg2:#110a1c;
  --color-bg3:#1a1030;

  /* 品牌色 */
  --color-brand:#c4405e;
  --color-brand-dk:#8b1a3c;
  --color-purple:#5a4db8;
  --color-gold-new:#c8a030;
  --color-gold-lt:#e2c06a;

  /* 角色专属色 */
  --color-daiyu:#d4537e;
  --color-daiyu-bg:rgba(212,83,126,0.08);
  --color-baochai:#c8a030;
  --color-baochai-bg:rgba(200,160,80,0.07);
  --color-baoyu-new:#6060c0;
  --color-baoyu-bg:rgba(96,96,192,0.08);

  /* 文字色 */
  --color-text:#ede0cc;
  --color-text2:rgba(237,224,204,0.65);
  --color-text3:rgba(237,224,204,0.38);
  --color-heading:#f0ecff;
  --color-poem:#e2c06a;

  /* 边框色 */
  --color-border:rgba(200,160,100,0.12);
  --color-border-em:rgba(196,64,94,0.28);
  --color-border-gold:rgba(232,200,76,0.25);

  /* 功能色 */
  --color-success:#1d9e75;
  --color-warn:#d4820a;
  --color-error:#e05050;

  /* 字体栈 */
  --font-serif:'Noto Serif SC','STKaiti','KaiTi',Georgia,serif;
  --font-fangsong:'Noto Serif SC','STFangsong','FangSong',serif;
  --font-sans:'PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;

  /* 圆角 */
  --radius-xs:4px;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:20px;
  --radius-full:50px;

  /* 间距 */
  --space-xs:8px;
  --space-sm:12px;
  --space-md:20px;
  --space-lg:32px;
  --space-xl:48px;

  /* 阴影 */
  --shadow-card:0 2px 16px rgba(0,0,0,0.25);
  --shadow-modal:0 8px 40px rgba(0,0,0,0.45);
  --shadow-glow-brand:0 0 20px rgba(196,64,94,0.25);
  --shadow-glow-gold:0 0 20px rgba(200,160,48,0.2);

  /* 动效 */
  --ease-gentle:cubic-bezier(0.25,0,0.5,1);
  --ease-spring:cubic-bezier(0.32,0,0,1);
  --dur-fast:150ms;
  --dur-normal:250ms;
  --dur-slow:350ms;
}
/* 深色主题（当前即默认深色，预留切换接口）*/
[data-theme="dark"]{--color-bg:#09060d;--color-bg2:#110a1c;}
/* 浅色主题（未来可选）*/
[data-theme="light"]{--color-bg:#f8f3ec;--color-bg2:#ede7df;--color-text:#2a1a0e;--color-heading:#1a0a08;}
/* SPLASH */
#splash{background:radial-gradient(ellipse at 50% 35%,#1a1030 0%,#09060f 70%);align-items:center;justify-content:center;cursor:pointer;gap:0}
.sav{width:100px;height:100px;border-radius:50%;background:var(--s2);border:1.5px solid rgba(212,83,126,0.4);display:flex;align-items:center;justify-content:center;font-size:40px;color:#CECBF6;margin-bottom:18px;position:relative}
.sr1{position:absolute;inset:-10px;border-radius:50%;border:0.5px solid rgba(127,119,221,0.14)}
.sr2{position:absolute;inset:-22px;border-radius:50%;border:0.5px solid rgba(127,119,221,0.07)}
.st{font-size:22px;font-weight:500;color:#EEEDFE;letter-spacing:5px;margin-bottom:5px}
.ss2{font-size:10px;color:var(--i3);letter-spacing:7px;margin-bottom:34px}
.sdiv{width:34px;height:0.5px;background:var(--b);margin:0 auto 18px}
.sq{font-size:12px;color:var(--i3);text-align:center;line-height:2.4;padding:0 32px;font-family:Georgia,'Times New Roman',serif}
.sbtn{margin-top:30px;padding:12px 38px;border-radius:22px;border:0.5px solid rgba(127,119,221,0.4);background:rgba(127,119,221,0.08);color:#CECBF6;font-size:13px;cursor:pointer;letter-spacing:2px;transition:background .2s}
.sbtn:hover{background:rgba(127,119,221,0.2)}
/* TOP BAR */
.tb{padding:14px 16px 10px;display:flex;align-items:center;gap:10px;background:var(--s1);border-bottom:0.5px solid var(--b);flex-shrink:0}
.tav{width:38px;height:38px;border-radius:50%;background:var(--s2);border:1.5px solid rgba(127,119,221,0.4);display:flex;align-items:center;justify-content:center;font-size:16px;color:#CECBF6;flex-shrink:0}
.tn{font-size:14px;font-weight:500;color:var(--i);line-height:1.3}
.tsub{font-size:10px;color:rgba(122,106,152,0.9);letter-spacing:.3px}
.tmood{font-size:10px;color:var(--i3);text-align:right;line-height:1.8;margin-left:auto}
.online{display:inline-block;width:5px;height:5px;border-radius:50%;background:#7fcfb0;margin-right:4px;vertical-align:middle;opacity:0.85}
/* REL BAR */
.rb{background:var(--s1);padding:7px 16px 10px;border-bottom:0.5px solid var(--b);flex-shrink:0}
.rbt{display:flex;justify-content:space-between;font-size:10px;color:var(--i3);margin-bottom:4px}
.rbst{color:#d8cff0;font-weight:500;font-size:11px}
.rtrk{height:2px;background:var(--s3);border-radius:2px}
.rfil{height:3px;background:linear-gradient(90deg,#534AB7,#D4537E,#e8c570);border-radius:2px;transition:width .9s ease}
/* MSGS */
.msgs{flex:1;overflow-y:auto;padding:14px 14px 8px;display:flex;flex-direction:column;gap:9px;background:var(--s0);scroll-behavior:smooth;position:relative}
.msgs::-webkit-scrollbar{width:2px}
.msgs::-webkit-scrollbar-thumb{background:var(--s3);border-radius:2px}
.sys{align-self:center;font-size:10px;color:rgba(175,169,236,0.5);text-align:center;padding:2px 12px;letter-spacing:.5px;max-width:100%}
.msg{max-width:82%;font-size:15px;line-height:2.0;padding:10px 15px;word-break:break-word;animation:msgIn .2s ease-out}
.dy{align-self:flex-start;background:var(--s2);color:var(--i);border-radius:4px 16px 16px 16px;border:0.5px solid var(--b)}
.me{align-self:flex-end;background:var(--s3);color:var(--i);border-radius:16px 4px 16px 16px;border:0.5px solid rgba(212,83,126,0.22)}
/* 消息内图片 */
.msg-img{max-width:200px;max-height:160px;border-radius:10px;margin-top:6px;cursor:pointer;transition:opacity .2s}
.msg-img:hover{opacity:.85}
@keyframes msgIn{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
.poem{align-self:flex-start;background:var(--rosebg);color:var(--rose);border-radius:4px 16px 16px 16px;border:0.5px solid rgba(196,96,126,0.22);font-family:Georgia,serif;font-size:12px;line-height:2.5;text-align:center;padding:13px 22px}
/* 流式消息接收中：右下角有呼吸光点 */
@keyframes streamPulse{0%,100%{box-shadow:0 0 0 0 rgba(147,139,220,0)}50%{box-shadow:0 0 0 3px rgba(147,139,220,0.18)}}
.msg.streaming{animation:msgIn .2s ease-out,streamPulse 1.8s ease-in-out infinite}
/* 诗气泡（流式结束后保留样式，与 addMsg('poem') DOM 结构对齐） */
.msg.poem-mode{background:var(--rosebg);border-color:rgba(196,96,126,0.22);animation:msgIn .2s ease-out;font-family:Georgia,serif;font-size:13px;line-height:2.2;text-align:center;color:var(--rose)}
.msg.poem-mode .stream-name{color:var(--rosedk)}
/* 流式气泡内容样式 */
.stream-content{display:flex;align-items:flex-start;gap:6px}
.stream-name{color:var(--jade);font-size:12px;flex-shrink:0}
.stream-text{color:var(--i);font-size:14px;line-height:1.6}
/* 流式诗模式：检测到是诗时的样式 */
.msg.streaming.poem-mode{background:var(--rosebg);border-color:rgba(196,96,126,0.22);animation:msgIn .2s ease-out,streamPulse 1.8s ease-in-out infinite}
.msg.streaming.poem-mode .stream-name{color:var(--rosedk)}
.msg.streaming.poem-mode .stream-text{color:var(--rose);font-family:Georgia,serif;font-size:13px;line-height:2.2;text-align:center}
.err{align-self:flex-start;background:rgba(40,15,30,0.95);color:var(--rosedk);border-radius:4px 16px 16px 16px;border:0.5px solid rgba(196,96,126,0.25);font-size:11px;padding:9px 14px;line-height:1.6;display:flex;align-items:flex-start;gap:6px;max-width:85%}
.err::before{content:'⚠';font-size:12px;flex-shrink:0;margin-top:1px}
.err-msg{color:rgba(232,160,184,0.7)}
.typing{align-self:flex-start}
.dots span{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--i2);margin:0 3px;animation:bop .9s infinite}
.dots span:nth-child(2){animation-delay:.2s}
.dots span:nth-child(3){animation-delay:.4s}
@keyframes bop{0%,80%,100%{transform:translateY(0)}40%{transform:translateY(-5px)}}
/* QRS */
.qrs{padding:9px 14px;display:flex;gap:7px;flex-wrap:wrap;background:var(--s1);border-top:0.5px solid var(--b);flex-shrink:0}
.qr{font-size:12px;padding:6px 14px;border-radius:16px;border:0.5px solid rgba(212,83,126,0.35);color:#f0a8c0;cursor:pointer;background:rgba(212,83,126,0.07);transition:all .15s;letter-spacing:.3px}
.qr:hover{background:rgba(212,83,126,0.15);border-color:rgba(212,83,126,0.5);transform:translateY(-1px)}
.qr:active{transform:translateY(0)}
/* INPUT */
.ir{padding:9px 12px 9px 10px;display:flex;gap:0;align-items:center;background:var(--s1);border-top:0.5px solid var(--b);flex-shrink:0}
.ir input{flex:1;font-size:14px;padding:9px 14px;border-radius:20px;border:0.5px solid rgba(127,119,221,0.25);background:var(--s2);color:var(--i);margin:0 6px;outline:none;transition:border-color .2s}
.ir input::placeholder{color:var(--i3)}
.ir input:focus{border-color:rgba(127,119,221,0.55)}
.sendbtn{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,rgba(83,74,183,0.5),rgba(212,83,126,0.35));border:0.5px solid rgba(212,83,126,0.4);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s}
.sendbtn:hover{background:rgba(212,83,126,0.25)}
.sendbtn svg{width:14px;height:14px;stroke:#D4537E;fill:none;stroke-width:2}
/* STATUS */
.sbar{font-size:10px;padding:4px 16px;background:var(--s1);text-align:center;flex-shrink:0;border-top:0.5px solid var(--b);color:var(--jade);line-height:1.4}
/* NAV */
.nav{display:flex;background:var(--s1);border-top:0.5px solid var(--b);flex-shrink:0;padding-bottom:0;margin-top:auto}
.nb{flex:1;padding:4px 0 6px;text-align:center;color:var(--i3);cursor:pointer;border:none;background:none;display:flex;flex-direction:column;align-items:center;gap:2px;transition:color .15s}
.nb span{font-size:11px;letter-spacing:.3px}
.nb svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.5}
.nb.on svg{stroke:#CECBF6}

/* 刘海屏底部安全区域 - 微信浏览器本身有安全区域，减少额外padding */
body.wechat-padding.notch-device .nav {
  padding-bottom: 12px;
}
/* 角色选择屏 */
.char-card:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,0.3)}
.char-card:active{transform:translateY(0)}
/* 宝钗配色变量 */
.theme-baochai{--rose:#d4a850;--rosedk:#a07828;--rosebg:#1e1608;--b:rgba(200,160,80,0.18)}
.theme-baochai .rfil{background:linear-gradient(90deg,#a07828,#d4a850,#e8c570)}
.theme-baochai .dy{border-color:rgba(200,160,80,0.2)}
.theme-baochai .qr{border-color:rgba(200,160,80,0.3);color:#d4a850;background:rgba(200,160,80,0.07)}
.theme-baochai .tav{border-color:rgba(200,160,80,0.4)}
/* 宝玉配色变量 */
.theme-baoyu{--rose:#c45050;--rosedk:#a02828;--rosebg:#1e0808;--b:rgba(180,80,80,0.18)}
.theme-baoyu .rfil{background:linear-gradient(90deg,#a02828,#c45050,#e87070)}
.theme-baoyu .dy{border-color:rgba(180,80,80,0.2)}
.theme-baoyu .qr{border-color:rgba(180,80,80,0.3);color:#c45050;background:rgba(180,80,80,0.07)}
.theme-baoyu .tav{border-color:rgba(180,80,80,0.4)}
.nb.on{color:#CECBF6}
/* PROFILE */
#prof .ph{background:var(--s1);padding:18px 16px 14px;border-bottom:0.5px solid var(--b);flex-shrink:0}
.phr{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.phav{width:56px;height:56px;border-radius:50%;background:var(--s2);border:2px solid rgba(127,119,221,0.4);display:flex;align-items:center;justify-content:center;font-size:22px;color:#CECBF6}
.phn{font-size:17px;font-weight:500;color:var(--i);margin-bottom:4px}
.phtag{display:inline-block;font-size:10px;padding:2px 9px;border-radius:9px;background:rgba(127,119,221,0.12);color:#CECBF6;border:0.5px solid var(--b);margin-bottom:3px}
.phtdesc{font-size:10px;color:var(--i3);margin-top:2px;font-family:Georgia,serif}
.strow{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.stc{background:var(--s2);border-radius:8px;padding:9px;text-align:center;border:0.5px solid var(--b)}
.stn{font-size:20px;font-weight:500;color:#CECBF6}
.stl{font-size:10px;color:var(--i3);margin-top:2px}
.pb{flex:1;overflow-y:auto;padding:14px;background:var(--s0)}
.pb::-webkit-scrollbar{width:2px}
.sct{font-size:10px;color:var(--i3);letter-spacing:2px;margin-bottom:10px;padding-bottom:6px;border-bottom:0.5px solid var(--b);margin-top:16px}
.sct:first-child{margin-top:0}
.mc{background:var(--s1);border:0.5px solid var(--b);border-radius:9px;padding:10px 12px;margin-bottom:6px}
.mtx{font-size:12px;color:var(--i2);line-height:1.6}
.mdx{font-size:10px;color:var(--i3);margin-top:3px}
.mii{display:flex;align-items:center;gap:9px;margin-bottom:10px}
.mdot{width:9px;height:9px;border-radius:50%;flex-shrink:0}
.mdot.done{background:linear-gradient(135deg,#D4537E,#e8c570);box-shadow:0 0 6px rgba(212,83,126,0.4)}
.mdot.now{background:#D4537E;animation:pl 1.5s infinite}
.mdot.todo{background:var(--s3);border:1.5px solid var(--i3)}
@keyframes pl{0%,100%{opacity:1}50%{opacity:.3}}
.mlb{font-size:12px;color:var(--i2)}
.mlb.done{color:var(--i3)}
.mlb.todo{color:var(--i3)}
/* POETRY */
#poem .pb3{flex:1;overflow-y:auto;padding:14px;background:var(--s0);display:flex;flex-direction:column;gap:12px}
.pc{background:var(--s1);border:0.5px solid var(--b);border-radius:12px;padding:14px 16px}
.pch{display:flex;justify-content:space-between;align-items:center;margin-bottom:9px}
.pcn{font-size:12px;color:#CECBF6;font-weight:500}
.pct{font-size:10px;color:var(--i3)}
.pcp{font-family:Georgia,serif;font-size:14px;color:#f0a8c0;line-height:2.7;text-align:center;padding:5px 0;letter-spacing:1px}
.pcc{font-size:11px;color:var(--i3);line-height:1.6;border-top:0.5px solid var(--b);padding-top:8px;margin-top:5px}
.ca{background:var(--s1);border:0.5px solid var(--b);border-radius:12px;padding:14px}
.cal{font-size:11px;color:var(--i3);margin-bottom:8px}
.ca textarea{width:100%;background:var(--s2);border:0.5px solid rgba(127,119,221,0.22);border-radius:8px;color:var(--i);font-size:13px;font-family:Georgia,serif;padding:10px;resize:none;height:72px;outline:none;line-height:2}
.ca textarea::placeholder{color:var(--i3)}
.csb{margin-top:8px;width:100%;padding:10px;border-radius:8px;background:rgba(127,119,221,0.12);border:0.5px solid rgba(127,119,221,0.28);color:#CECBF6;font-size:12px;cursor:pointer;letter-spacing:1px;transition:background .15s}
.csb:hover{background:rgba(127,119,221,0.22)}
/* JIEQI */
#jieqi .jb{flex:1;overflow-y:auto;padding:14px;background:var(--s0);display:flex;flex-direction:column;gap:11px}
.jc{background:var(--s1);border:0.5px solid var(--b);border-radius:12px;overflow:hidden;cursor:pointer;transition:border-color .2s}
.jc:hover{border-color:rgba(127,119,221,0.45);transform:translateY(-1px);box-shadow:0 4px 16px rgba(0,0,0,0.3)}
.jc{transition:all .2s}
.jch{padding:12px 14px 10px;display:flex;justify-content:space-between;align-items:center}
.jcn{font-size:14px;font-weight:500;color:var(--i)}
.jcd{font-size:12.5px;color:#c0aed8;line-height:1.7;padding:0 14px 12px}
.jca{font-size:11px;color:var(--jade);padding:8px 14px 10px;border-top:0.5px solid var(--b);background:var(--jadebg)}
.jab{display:inline-block;background:rgba(31,158,117,0.12);color:var(--jade);font-size:10px;padding:2px 8px;border-radius:7px;border:0.5px solid rgba(127,207,176,0.22);margin-right:5px}
.locked{font-size:10px;padding:2px 8px;border-radius:7px;background:rgba(127,119,221,0.07);color:var(--i3);border:0.5px solid var(--b);margin-right:5px}
/* SETTINGS MODAL */
#settings{position:absolute;inset:0;background:rgba(13,10,22,0.95);z-index:100;display:none;flex-direction:column;align-items:center;justify-content:center;padding:24px}
#settings.show{display:flex}
.sett{width:100%;max-width:280px;background:var(--s1);border:0.5px solid var(--b);border-radius:12px;padding:20px}
.seti{font-size:11px;color:var(--i3);margin-bottom:4px;margin-top:12px}
.seti:first-of-type{margin-top:0}
.sett input{width:100%;padding:10px 12px;border-radius:8px;border:0.5px solid var(--b);background:var(--s2);color:var(--i);font-size:12px;outline:none}
.sett input:focus{border-color:rgba(127,119,221,0.5)}
.stbtn{margin-top:16px;width:100%;padding:12px;border-radius:8px;border:0.5px solid rgba(127,119,221,0.3);background:rgba(127,119,221,0.15);color:#CECBF6;font-size:12px;cursor:pointer;letter-spacing:1px}
.stbtn:hover{background:rgba(127,119,221,0.25)}
.sres{font-size:10px;color:var(--jade);margin-top:8px;text-align:center}
.serr{font-size:10px;color:var(--rosedk);margin-top:8px;text-align:center}

/* LOGIN SCREEN */
#login{background:radial-gradient(ellipse at 50% 30%,#1a1030 0%,#09060f 70%);align-items:center;justify-content:center}
.login-box{width:300px;background:rgba(28,21,48,0.6);border:0.5px solid rgba(127,119,221,0.2);border-radius:20px;padding:28px 24px 24px}
.login-title{font-size:20px;font-weight:500;color:#EEEDFE;text-align:center;margin-bottom:6px;font-family:Georgia,serif;letter-spacing:4px}
.login-sub{font-size:11px;color:rgba(122,106,152,0.7);text-align:center;margin-bottom:22px;font-family:Georgia,serif;line-height:1.8}
.login-tabs{display:flex;margin-bottom:20px;border-radius:10px;overflow:hidden;border:0.5px solid rgba(127,119,221,0.25)}
.ltab{flex:1;padding:8px 0;text-align:center;font-size:12px;color:var(--i3);cursor:pointer;background:transparent;border:none;transition:all .2s}
.ltab.on{background:rgba(212,83,126,0.15);color:#e8a0b8;border-bottom:1.5px solid rgba(212,83,126,0.5)}
.lfield{margin-bottom:12px}
.lfield label{display:block;font-size:10px;color:rgba(175,169,236,0.6);margin-bottom:5px;letter-spacing:1px}
.lfield input{width:100%;padding:10px 14px;border-radius:10px;border:0.5px solid rgba(127,119,221,0.22);background:rgba(20,14,36,0.8);color:#e8e0f8;font-size:13px;outline:none;transition:border-color .2s;pointer-events:auto;-webkit-user-select:text;user-select:text}
.lfield input:focus{border-color:rgba(212,83,126,0.45);background:rgba(37,28,61,0.9)}
.lfield input::placeholder{color:var(--i3)}
.lbtn{width:100%;padding:11px;border-radius:10px;background:rgba(212,83,126,0.12);border:0.5px solid rgba(212,83,126,0.35);color:#e8a0b8;letter-spacing:2px;font-size:13px;cursor:pointer;margin-top:4px;transition:background .2s}
.lbtn:hover{background:rgba(212,83,126,0.22);color:#EEEDFE}
.lmsg{font-size:11px;text-align:center;margin-top:10px;min-height:16px}


.jq-card {
  background: var(--s2);
  border-radius: 10px;
  padding: 12px;
  cursor: pointer;
  transition: all 0.2s;
  border: 0.5px solid var(--b);
}
.jq-card:hover {
  background: var(--s3);
  border-color: rgba(212,83,126,0.3);
  transform: translateY(-2px);
}
.jq-current {
  border-color: rgba(212,83,126,0.4);
  background: rgba(212,83,126,0.08);
}
.jq-arrow {
  transition: transform 0.2s;
  display: inline-block;
  transform: rotate(-90deg);
}
details[open] > summary .jq-arrow {
  transform: rotate(0deg);
}


/* ═══════════════════════════════════════ */
/* 性能优化和动画增强 */
/* ═══════════════════════════════════════ */

/* 硬件加速和减少重排 */
.scr {
  will-change: transform, opacity;
  backface-visibility: hidden;
  transform: translateZ(0);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

/* 平滑过渡效果 */
.nb, .nb svg, .lbtn, .csb, .wc-tag, .jc, .ltab, .mlb {
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 滚动性能优化 */
.chat-content, #poem .pb3, #jieqi .jb, #prof .pb {
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
  overscroll-behavior: contain;
  transform: translateZ(0);
}

/* 图片和SVG优化 */
img, svg {
  content-visibility: auto;
  contain: layout style paint;
}

/* 加载动画 */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

@keyframes slideIn {
  from { transform: translateX(-20px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* 页面切换动画 */
.scr.on {
  animation: fadeIn 0.4s ease forwards;
}

/* 消息进入动画 */
.msg {
  animation: slideIn 0.3s ease forwards;
}

/* 按钮点击反馈 */
.btn-active {
  animation: pulse 0.3s ease;
}

/* 骨架屏加载效果 */
.skeleton {
  background: linear-gradient(90deg, 
    rgba(30, 20, 50, 0.1) 25%, 
    rgba(40, 30, 70, 0.2) 50%, 
    rgba(30, 20, 50, 0.1) 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
  .nb, .lbtn, .csb {
    min-height: 44px;
    min-width: 44px;
  }
  
  input, textarea, select {
    font-size: 16px; /* 防止iOS缩放 */
  }
}

/* 减少重绘区域 */
.fixed-element {
  contain: strict;
}

/* 字体加载优化 */
body {
  font-display: swap;
}

/* 打印样式优化 */
@media print {
  .nb, .lbtn, .csb, .chat-input {
    display: none !important;
  }
}

/* ═══════════════════════════════════════
   新手引导样式
   ═══════════════════════════════════════
   ⚠️ 隐藏规范：
   - 用 opacity:0 隐藏 + visibility:hidden（visibility 负责拦截点击，opacity 负责动画）
   - 禁止只用 opacity:0 隐藏 fixed/absolute 定位元素——视觉隐藏但仍拦截 pointer-events！
   - 参考：https://goo.gl/9p2vKq
   ═══════════════════════════════════════ */

/* 引导遮罩层 */
#guide-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(13, 10, 22, 0.85);
  z-index: 9998;
  backdrop-filter: blur(2px);
}

/* 引导卡片：默认隐藏（visibility:hidden 天然不拦截点击，无需 pointer-events）
   显示时 opacity 动画淡入，visibility 变为可见后 pointer-events 才生效 */
#guide-card {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) translateY(20px);
  z-index: 9999;
  background: var(--s1);
  border: 0.5px solid rgba(212, 83, 126, 0.3);
  border-radius: 16px;
  padding: 20px;
  max-width: 280px;
  width: 90%;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), visibility 0.4s;
}

#guide-card.visible {
  transform: translate(-50%, -50%);
  opacity: 1;
  visibility: visible;
}

/* 引导标题行 */
.guide-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.guide-header .guide-title {
  font-size: 14px;
  font-weight: 500;
  color: #e8a0b8;
}

/* 引导步骤指示器 */
#guide-step {
  font-size: 11px;
  color: rgba(160, 130, 160, 0.7);
}

/* 跳过按钮 */
#guide-skip {
  background: none;
  border: none;
  color: var(--i3);
  font-size: 11px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: background 0.2s;
}

#guide-skip:hover {
  background: rgba(127, 119, 221, 0.15);
}

/* 引导内容区域 */
#guide-content {
  font-size: 13px;
  color: var(--i);
  line-height: 1.6;
  margin-bottom: 16px;
}

/* 引导内容中的高亮文字 */
#guide-content .highlight {
  color: #D4537E;
  font-weight: 500;
}

/* 引导按钮容器 */
.guide-buttons {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* 上一步按钮 */
#guide-prev {
  background: rgba(127, 119, 221, 0.1);
  border: 0.5px solid rgba(127, 119, 221, 0.25);
  color: var(--i2);
  padding: 8px 16px;
  border-radius: 10px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

#guide-prev:hover {
  background: rgba(127, 119, 221, 0.2);
}

/* 下一步/完成按钮 */
#guide-next {
  background: rgba(212, 83, 126, 0.15);
  border: 0.5px solid rgba(212, 83, 126, 0.35);
  color: #e8a0b8;
  padding: 8px 24px;
  border-radius: 10px;
  font-size: 12px;
  cursor: pointer;
  letter-spacing: 1px;
  transition: all 0.2s;
  margin-left: auto;
}

#guide-next:hover {
  background: rgba(212, 83, 126, 0.25);
}

/* 引导步骤指示器（小圆点） */
.guide-dots {
  display: flex;
  gap: 6px;
  justify-content: center;
  margin-top: 12px;
}

.guide-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(160, 130, 160, 0.3);
  transition: all 0.3s;
}

.guide-dot.active {
  background: #D4537E;
  width: 18px;
  border-radius: 3px;
}

/* ═══════════════════════════════════════
   UI 增强样式
   ═══════════════════════════════════════ */

/* 回到顶部按钮动画 */
#back-to-top-btn {
  animation: fadeIn 0.3s ease;
}

/* 面包屑样式 */
#nav-breadcrumb a:hover {
  color: #CECBF6;
}

/* 左滑返回提示 */
.swipe-indicator {
  position: fixed;
  top: 50%;
  left: 20px;
  transform: translateY(-50%);
  width: 4px;
  height: 40px;
  background: linear-gradient(to bottom, #534AB7, #D4537E);
  border-radius: 2px;
  opacity: 0.6;
}

/* 平滑滚动 */
.msgs, #poem .pb3, #jieqi .jb, #prof .pb {
  scroll-behavior: smooth;
}

/* ═══════════════════════════════════════
   响应式断点（P2-3，2026-03-30）
   移动端优先：以下规则仅在宽屏生效
   ═══════════════════════════════════════ */

/* ≥ 480px：大手机/折叠屏横屏
   注意：.nav/.sbar 是文档流元素，不可加 left/transform
   只有 position:fixed 的元素（.tbar）才需要居中处理 */
@media (min-width: 480px) {
  body {
    max-width: 480px;
    margin: 0 auto;
  }
  /* 固定定位 topbar 居中 */
  .tbar {
    max-width: 480px;
    left: 50%;
    transform: translateX(-50%);
  }
  .toast {
    max-width: 380px;
    left: 50%;
    transform: translateX(-50%);
  }
}

/* ≥ 600px：平板/桌面端 */
@media (min-width: 600px) {
  body {
    max-width: 520px;
  }
  .tbar {
    max-width: 520px;
  }
  /* 消息气泡略窄，提升可读性 */
  .msg {
    max-width: 78%;
  }
  /* 底部 tabbar 图标微调 */
  .nb {
    font-size: 10px;
    padding-bottom: 6px;
  }
}

/* ≥ 768px：iPad 及更大设备 */
@media (min-width: 768px) {
  body {
    max-width: 540px;
    /* 桌面端加个精致的卡片效果 */
    box-shadow: 0 0 60px rgba(0, 0, 0, 0.6);
    min-height: 100vh;
  }
  .tbar {
    max-width: 540px;
  }
  /* 桌面端稍大字体 */
  .msg {
    font-size: 15.5px;
  }
}