:root {
  --outer:#dfeafa;
  --paper:#f9faff;
  --white:#fff;
  --ink:#2f2c40;
  --muted:#6d6a80;
  --line:#e7e6f2;
  --purple:#7359cf;
  --purple-dark:#5e48ad;
  --lavender:#f0edff;
  --blue:#eaf6ff;
  --shadow:0 10px 28px rgba(81,74,140,.07);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:linear-gradient(135deg,#ddeafb 0%,#eee8f9 52%,#dfeefb 100%);color:var(--ink);font:14px/1.6 "Microsoft YaHei","PingFang SC","Noto Sans SC",system-ui,sans-serif}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
button:disabled{opacity:.55;cursor:wait}
button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid #866fe0;outline-offset:2px}
.hidden{display:none!important}
.muted{color:var(--muted);line-height:1.65}
.eyebrow{margin:0 0 9px;color:#7660bd;font-size:10px;font-weight:800;letter-spacing:.12em}
.button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:44px;padding:10px 14px;border:1px solid transparent;border-radius:11px;font-weight:700;text-decoration:none;transition:transform .15s,background .15s,border-color .15s}
.button:hover{transform:translateY(-1px)}
.button.primary{background:linear-gradient(110deg,#765bd1,#806de2);box-shadow:0 7px 16px rgba(105,80,190,.16);color:#fff}
.button.primary:hover{background:linear-gradient(110deg,#6548bf,#7159d2)}
.button.secondary{background:var(--lavender);color:var(--purple-dark)}
.button.ghost{background:#fff;border-color:#ddd9ed;color:#6155a1}
.button.full{width:100%}
.text-button,.link-button{border:0;background:none;color:var(--purple-dark);font-weight:700;padding:6px 0}
.icon-button{border:0;background:none;color:var(--ink);font-size:24px;line-height:1;padding:4px}
.form-error{color:#ae4854;min-height:1.2em;margin:5px 0;font-size:12px}
label{display:block;margin:15px 0 5px;color:#4b4861;font-size:13px;font-weight:700}
input,textarea,select{display:block;width:100%;min-height:46px;margin-top:7px;padding:11px 12px;border:1px solid #dddce9;border-radius:10px;background:#fff;color:var(--ink);outline:none}
textarea{min-height:100px;resize:vertical;line-height:1.65}
input:focus,textarea:focus,select:focus{border-color:#a698e9;box-shadow:0 0 0 3px rgba(115,89,207,.1)}
input::placeholder,textarea::placeholder{color:#9b98aa}

/* 沿用沟通智能体的手机优先画布，桌面上也保持一块清晰的学员界面。 */
.app-shell,.auth-shell{width:min(100%,460px);min-height:100dvh;margin:auto;background:linear-gradient(155deg,#f2f8ff 0%,#f7f2fd 36%,#fbfaff 68%,#f1f8ff 100%);box-shadow:0 0 70px rgba(75,75,140,.12)}
.app-shell{padding-bottom:calc(79px + env(safe-area-inset-bottom,0px))}
.topbar{position:sticky;top:0;z-index:15;display:flex;align-items:center;justify-content:space-between;gap:8px;height:62px;padding:0 17px;background:rgba(255,255,255,.9);border-bottom:1px solid rgba(227,225,242,.9);backdrop-filter:blur(18px)}
.sidebar-brand,.auth-brand{display:flex;align-items:center;gap:9px;min-width:0}
.brand-mark{display:grid;place-items:center;flex:none;width:35px;height:35px;border-radius:10px;background:linear-gradient(140deg,#7867d9,#6b98e7 70%,#58bde5);box-shadow:0 5px 13px rgba(108,92,201,.18);color:#fff;font-size:19px;font-weight:800}
.sidebar-brand strong,.auth-brand strong{display:block;white-space:nowrap;font-size:14px;line-height:1.2}
.sidebar-brand small,.auth-brand small{display:block;margin-top:3px;color:#848098;font-size:9px;letter-spacing:.05em}
.topbar-person{display:flex;align-items:center;gap:6px;max-width:116px;padding:5px 8px;border:1px solid transparent;border-radius:10px;background:#f1effb;color:#63549a;font-size:11px}
.topbar-person.active{border-color:#bfb2ed;background:#e8e2fa}
.topbar-person span{display:grid;place-items:center;flex:none;width:23px;height:23px;border-radius:50%;background:#d7d0f2;color:#6253a5;font-weight:800}
.topbar-person strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:11px}
.mobile-nav{position:fixed;bottom:0;left:50%;z-index:18;display:grid;grid-template-columns:repeat(6,1fr);width:min(100%,460px);height:calc(72px + env(safe-area-inset-bottom,0px));padding:6px 7px env(safe-area-inset-bottom,0px);transform:translateX(-50%);border-top:1px solid #e6e4f2;background:rgba(255,255,255,.94);box-shadow:0 -7px 22px rgba(77,77,139,.07);backdrop-filter:blur(18px)}
.nav-item{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:2px;min-width:0;padding:3px 1px;border:0;border-radius:10px;background:transparent;color:#86859d;font-size:10px;font-weight:600}
.nav-item svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.nav-item.active{color:#6d54c2;font-weight:800}
.nav-item.active svg{stroke-width:2.2}
.nav-item:hover{background:#f5f2ff;color:#6550b5}
main{padding:17px 18px 35px;outline:none}
.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin:2px 0 19px}
.page-head h1{font-size:25px;line-height:1.33;letter-spacing:-.025em;margin:0 0 5px}
.page-head p:not(.eyebrow){margin:0;color:var(--muted);font-size:12px;line-height:1.55}
.page-head>.button{flex:none;min-height:34px;padding:7px 9px;font-size:11px}
.home-visual{position:relative;height:133px;margin-bottom:13px;overflow:hidden;border:2px solid rgba(255,255,255,.9);border-radius:18px;box-shadow:0 10px 20px rgba(82,85,150,.11)}
.home-visual img{display:block;width:100%;height:100%;object-fit:cover;object-position:center 47%}
.home-visual:after{position:absolute;inset:42% 0 0;background:linear-gradient(transparent,rgba(49,40,85,.48));content:""}
.home-visual span{position:absolute;bottom:10px;left:14px;z-index:1;color:#fff;font-size:12px;font-weight:800;text-shadow:0 1px 4px rgba(36,28,74,.5)}
.hero{position:relative;overflow:hidden;padding:19px 18px;border:1px solid #efebf8;border-radius:20px;background:linear-gradient(135deg,#fcf9ff 0%,#f5effb 56%,#eaf6ff 100%);box-shadow:var(--shadow)}
.hero h2{max-width:350px;margin:4px 0 7px;font-size:20px;line-height:1.4;letter-spacing:-.02em}
.hero p:not(.eyebrow){margin:0;color:#67677e;font-size:12px;line-height:1.65}
.hero-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:18px}
.hero-actions .button{min-width:0;min-height:44px;padding:9px 7px;font-size:12px}
.section-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:25px 0 11px}
.section-heading h2{margin:0;font-size:17px;line-height:1.4}
.section-heading .link-button,.section-heading .muted{font-size:11px;white-space:nowrap}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}
.grid-2{display:grid;grid-template-columns:1fr;gap:12px}
.card{padding:18px;border:1px solid #eae9f4;border-radius:17px;background:#fff;box-shadow:0 7px 22px rgba(76,81,139,.045)}
.card h3{margin:0 0 7px;font-size:17px;line-height:1.4}
.card p{margin:0;color:var(--muted);line-height:1.65}
.metric-card{text-align:center;padding:15px 5px}
.metric-card .metric{color:#7359cf;font:800 28px/1.1 Georgia,serif}
.metric-card p{margin-top:5px;font-size:10px}
.record-list{display:grid;gap:9px}
.record-row{display:flex;flex-direction:column;gap:10px;padding:14px 15px;border:1px solid #e9e6f2;border-radius:15px;background:#fff}
.record-row strong{display:block;font-size:13px;line-height:1.45}
.record-row small{display:block;margin-top:4px;color:var(--muted);font-size:10px}
.record-row .actions{display:flex;gap:7px;flex-wrap:wrap}
.record-row .button{min-height:34px;padding:6px 11px;font-size:11px}
.empty{padding:29px 17px;border:1px dashed #d3cdea;border-radius:16px;background:rgba(255,255,255,.75);color:var(--muted);text-align:center;font-size:12px}
.empty strong{display:block;margin-bottom:5px;color:var(--ink);font-size:14px}
.system-note{margin:23px 1px 0;color:#88859a;font-size:10px;line-height:1.6}
.pill-row{display:flex;gap:7px;overflow-x:auto;margin:0 -18px 15px;padding:0 18px 4px;scrollbar-width:none}
.pill-row::-webkit-scrollbar{display:none}
.pill{flex:none;min-height:37px;padding:8px 13px;border:1px solid #e5e2f0;border-radius:999px;background:#fff;color:#77748b;font-size:11px;font-weight:700;white-space:nowrap}
.pill.active{border-color:#7257ca;background:#7257ca;color:#fff}
.course-grid,.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
.select-card{display:flex;flex-direction:column;align-items:flex-start;min-width:0;min-height:155px;padding:14px;border:1px solid #e9e7f3;border-radius:16px;background:#fff;color:var(--ink);text-align:left;box-shadow:0 6px 18px rgba(76,81,139,.04);transition:transform .15s,border-color .15s}
.select-card:hover{transform:translateY(-2px);border-color:#b9a9ea}
.select-card .code{color:#7058c5;font-size:10px;font-weight:800;letter-spacing:.04em}
.select-card h3{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;margin:12px 0 6px;font-size:14px;line-height:1.4}
.select-card p{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden;margin:0;color:var(--muted);font-size:12px;line-height:1.55}
.work-area{display:grid;grid-template-columns:1fr;gap:12px}
.lesson-layout{display:grid;gap:12px}
.lesson-reading .eyebrow{margin-bottom:10px;color:#7058c5;font-weight:800}
.lesson-reading h3{margin-bottom:14px}
.lesson-script p{margin:0 0 15px;color:var(--ink);font-size:14px;line-height:1.9}
.lesson-script p:last-child{margin-bottom:0}
.lesson-practice p{margin:8px 0 15px;color:var(--ink);font-size:13px;line-height:1.8}
.help-panel{background:#f6f5ff;border-color:#e7e3f5}
.help-panel p{margin:0 0 12px}
.help-panel .example{margin:9px 0;padding:12px;border-radius:11px;background:#fff;font-size:12px;line-height:1.6}
.help-panel .example.bad{background:#fff8f4}
.form-grid{display:grid;grid-template-columns:1fr}
.form-grid .wide{grid-column:1}
.form-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:17px}
.form-actions .button{flex:1 1 auto;font-size:12px}
.form-actions .button.primary{flex-basis:100%;order:-1}
.feedback{margin-top:17px;padding:15px;border:1px solid #e7e2f4;border-radius:13px;background:#f8f6ff}
.feedback h3{margin:0 0 9px}
.feedback ul{margin:6px 0;padding-left:19px}
.feedback li{margin:5px 0;line-height:1.6}
.feedback small{display:block;margin-top:10px;color:var(--muted)}
.notice{margin:0 0 14px;padding:12px 13px;border:1px solid #eee2c9;border-radius:12px;background:#fff9ed;color:#806645;font-size:12px;line-height:1.6}
.tag{display:inline-block;margin:4px 4px 0 0;padding:4px 8px;border-radius:99px;background:#eeeaff;color:#6f55bd;font-size:10px;font-weight:700}
.tag.gray{background:#f0f0f3;color:#77748b}
.practice-modes{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0}
.practice-modes label{flex:1;min-width:100px;margin:0;padding:8px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:11px;text-align:center;white-space:nowrap}
.practice-modes input{display:inline;width:auto;min-height:0;margin:0 3px 0 0;accent-color:var(--purple)}
.progress-row{display:grid;grid-template-columns:36px 1fr 33px;gap:8px;align-items:center;margin:12px 0;font-size:11px}
.progress-row strong{color:#6753aa}
.progress-row>div{min-width:0}
.progress-track{height:6px;margin-top:5px;overflow:hidden;border-radius:99px;background:#eeebfa}
.progress-track>span{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#7c66db,#62b9e9)}
.privacy-note{padding:10px;border-radius:10px;background:#fff8ed;color:#806645;font-size:11px;line-height:1.6}
.modal-layer{position:fixed;inset:0;z-index:30;display:grid;place-items:center;padding:18px;background:rgba(32,27,61,.55)}
.modal-card{width:min(100%,460px);max-height:88dvh;overflow:auto;padding:20px;border-radius:20px;background:#fff;box-shadow:0 22px 65px rgba(32,27,61,.23)}
.modal-head{display:flex;align-items:start;justify-content:space-between}
.modal-head h2{margin:0;font-size:22px}
.modal-actions{display:flex;gap:8px;margin-top:14px}
.modal-actions .button{flex:1;font-size:12px}
.toast{position:fixed;right:50%;bottom:calc(82px + env(safe-area-inset-bottom,0px));z-index:40;width:min(400px,calc(100% - 30px));padding:12px 14px;transform:translateX(50%);border-radius:11px;background:#393352;color:#fff;box-shadow:0 10px 28px rgba(32,27,61,.19);font-size:12px;line-height:1.5}
.logout-button{display:block;margin:25px auto 0;color:#888099}

/* 登录页也保持同一张窄幅画布和图文层级。 */
.auth-story{padding:20px 20px 0}
.auth-story .eyebrow{margin-top:25px}
.auth-story h1{margin:0 0 7px;font-size:27px;line-height:1.3;letter-spacing:-.03em}
.auth-story>p:not(.eyebrow){margin:0;color:var(--muted);font-size:12px}
.auth-visual{display:block;width:calc(100% + 40px);height:177px;margin:17px -20px 0;object-fit:cover;object-position:center 49%}
.auth-panel{padding:18px 20px 28px}
.auth-card{padding:20px;border:1px solid #e9e7f3;border-radius:18px;background:#fff;box-shadow:var(--shadow)}
.auth-card h2{margin:0 0 3px;font-size:21px}
.auth-card .muted{margin:0;font-size:12px}
.auth-card form{margin-top:12px}
.auth-card .button{margin-top:17px}
.auth-card .text-button{margin-top:10px}

@media(max-width:380px){
  main{padding-left:14px;padding-right:14px}
  .pill-row{margin-left:-14px;margin-right:-14px;padding-left:14px;padding-right:14px}
  .hero-actions{grid-template-columns:1fr}
  .select-card{padding:12px;min-height:148px}
  .nav-item{font-size:9px}
  .nav-item svg{width:18px;height:18px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* 计划总结复盘的独立配色：取第三张参考的奶油白、暖沙色与橙色焦点。 */
:root{
  --outer:#e9dfd2;
  --paper:#fbf8f3;
  --ink:#302b27;
  --muted:#746d68;
  --line:#e9e1d8;
  --purple:#a6522a;
  --purple-dark:#844223;
  --lavender:#f7ede3;
  --blue:#fff5e9;
  --shadow:0 10px 28px rgba(81,57,39,.07);
}
body{background:linear-gradient(135deg,#ebe2d7 0%,#f5eee6 52%,#e8dfd4 100%)}
.app-shell,.auth-shell{background:linear-gradient(155deg,#fbf8f3 0%,#faf5ef 42%,#fffdf9 73%,#f7f1e8 100%);box-shadow:0 0 70px rgba(69,49,32,.1)}
.topbar{background:rgba(255,253,249,.93);border-bottom-color:#ece3d9}
.brand-mark{background:linear-gradient(140deg,#b76b3b,#e99856);box-shadow:0 5px 13px rgba(164,82,34,.18)}
.sidebar-brand small,.auth-brand small{color:#87796d}
.topbar-person{background:#f4e9dc;color:#754629}
.topbar-person.active{border-color:#d9ae8f;background:#f3dfca}
.topbar-person span{background:#ead5c2;color:#7e492b}
.mobile-nav{background:rgba(255,253,249,.95);border-top-color:#e9dfd5;box-shadow:0 -7px 22px rgba(72,52,36,.07)}
.nav-item{color:#8c8178}
.nav-item.active{color:#9b4f29}
.nav-item:hover{background:#f7eee5;color:#8b4524}
.eyebrow{color:#a35a33}
.button.primary{background:linear-gradient(110deg,#a95027,#c46c36);box-shadow:0 7px 16px rgba(139,72,31,.16)}
.button.primary:hover{background:linear-gradient(110deg,#914420,#ad592b)}
.button.secondary{background:#f5e8db;color:#824628}
.button.ghost{border-color:#e3d6c8;color:#714d3b}
.text-button,.link-button{color:#914b28}
button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline-color:#bc6b3c}
label{color:#514841}
input,textarea,select{border-color:#e3d9ce}
input:focus,textarea:focus,select:focus{border-color:#ce956d;box-shadow:0 0 0 3px rgba(173,91,43,.11)}
input::placeholder,textarea::placeholder{color:#9d938c}
.page-head p:not(.eyebrow),.hero p:not(.eyebrow){color:#746d68}
.home-visual{box-shadow:0 10px 20px rgba(99,65,40,.11)}
.home-visual:after{background:linear-gradient(transparent,rgba(62,40,27,.49))}
.hero{border-color:#eee2d6;background:linear-gradient(135deg,#fffdf9 0%,#f8ebdf 60%,#f8e3cf 100%)}
.card,.select-card,.record-row{border-color:#eae2da;box-shadow:0 7px 22px rgba(82,60,42,.045)}
.metric-card .metric{color:#aa542b}
.record-row small,.system-note{color:#8c8178}
.empty{border-color:#d9c7b5;background:rgba(255,253,249,.78)}
.pill{border-color:#e8ded2;color:#796d64}
.pill.active{border-color:#a6522a;background:#a6522a}
.select-card:hover{border-color:#c89472}
.select-card .code{color:#9f5129}
.help-panel{background:#fbf4eb;border-color:#e9dfd5}
.help-panel .example.bad{background:#fff5ef}
.feedback{border-color:#ebdccd;background:#fcf5ed}
.notice{border-color:#ead9c4;background:#fff7e9;color:#775737}
.tag{background:#f6e8da;color:#8e4c28}
.tag.gray{background:#f0ede9;color:#77716b}
.practice-modes label{border-color:#e9e1d8}
.progress-row strong{color:#97502d}
.progress-track{background:#f3e9e0}
.progress-track>span{background:linear-gradient(90deg,#ac552b,#df9a5d)}
.privacy-note{background:#fff7e9;color:#775737}
.modal-layer{background:rgba(39,30,22,.56)}
.modal-card{box-shadow:0 22px 65px rgba(39,30,22,.23)}
.toast{background:#3b3029;box-shadow:0 10px 28px rgba(39,30,22,.22)}
.logout-button{color:#85786f}
.auth-card{border-color:#e9dfd5}
.pill-row.job-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;overflow:visible;margin:0 0 15px;padding:0}
.job-tabs .pill{width:100%;white-space:normal}