/* 液态玻璃：彩色环境光在底，半透明玻璃层带高光描边浮在上面，文字和控件在最上层。 */
:root{color-scheme:light;
--ink:#1f2d40;--muted:#55606f;--faint:#8792a3;--teal:#1a6f69;--teal-soft:rgba(37,134,127,.12);
--accent:#c4501f;--accent-hi:#d65a26;--warn-ink:#8a5a12;--warn-bg:rgba(255,214,140,.32);--err-ink:#a53a2f;--err-bg:rgba(255,170,160,.28);
--base:#eef2f7;--glass:rgba(255,255,255,.58);--glass-strong:rgba(255,255,255,.78);--glass-soft:rgba(255,255,255,.38);
--rim:rgba(255,255,255,.78);--rim-lo:rgba(255,255,255,.18);--edge:rgba(31,45,64,.09);
--shadow:0 12px 40px rgba(31,45,64,.10),0 2px 8px rgba(31,45,64,.05);
--blur:blur(26px) saturate(180%);
--blob-1:#ffb58f;--blob-2:#8fd3c9;--blob-3:#b9b5ff;--blob-4:#ffd98a;
--series-1:#2a78d6;--series-1-track:rgba(42,120,214,.16);--series-2:#eb6834;--series-2-track:rgba(235,104,52,.16);
--ease:cubic-bezier(.2,.9,.25,1.15);
--body:'PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif}
@media (prefers-color-scheme:dark){:root{color-scheme:dark;
--ink:#e9eef6;--muted:#a9b3c3;--faint:#7f8a9c;--teal:#5ec4b9;--teal-soft:rgba(94,196,185,.14);
--warn-ink:#f2c46d;--warn-bg:rgba(242,196,109,.14);--err-ink:#ff9b8f;--err-bg:rgba(255,155,143,.14);
--base:#0f141d;--glass:rgba(30,38,54,.56);--glass-strong:rgba(36,45,64,.82);--glass-soft:rgba(255,255,255,.06);
--rim:rgba(255,255,255,.16);--rim-lo:rgba(255,255,255,.04);--edge:rgba(0,0,0,.35);
--shadow:0 16px 48px rgba(0,0,0,.40),0 2px 8px rgba(0,0,0,.25);
--blob-1:#7a3a22;--blob-2:#145a54;--blob-3:#3a3480;--blob-4:#6b5418;
--series-1:#3987e5;--series-1-track:rgba(57,135,229,.22);--series-2:#d95926;--series-2-track:rgba(217,89,38,.24)}}

*{box-sizing:border-box}
body{margin:0;background:var(--base);color:var(--ink);font:14px/1.65 var(--body);min-height:100vh;overflow-wrap:break-word;-webkit-text-size-adjust:100%}
.reply-body,.reply-card .post,.answer,.source p,.memory-entry p,.candidate p,.compare p,.timeline p,.notice,blockquote,h3{overflow-wrap:anywhere}
.split>*,.grid-2>*,.form-grid>*,.metrics>*,.kpis>*,.welcome>*,.persona-hero>*{min-width:0}
[hidden]{display:none!important}
.defs{position:absolute;width:0;height:0;overflow:hidden}

/* 环境光：玻璃需要背后有颜色可“透”。 */
.ambient{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.ambient span{position:absolute;width:46vmax;height:46vmax;border-radius:50%;filter:blur(70px);opacity:.75;animation:drift 38s ease-in-out infinite alternate}
.ambient span:nth-child(1){background:var(--blob-1);top:-14vmax;left:-8vmax}
.ambient span:nth-child(2){background:var(--blob-2);bottom:-18vmax;left:22vw;animation-duration:46s;animation-delay:-12s}
.ambient span:nth-child(3){background:var(--blob-3);top:-10vmax;right:-12vmax;animation-duration:52s;animation-delay:-6s}
.ambient span:nth-child(4){background:var(--blob-4);bottom:-20vmax;right:-6vmax;width:30vmax;height:30vmax;opacity:.5;animation-duration:60s}
@keyframes drift{to{transform:translate3d(6vmax,4vmax,0) scale(1.12)}}

/* 玻璃材质 */
.card,.sidebar,.topbar,.metric,.kpi,.login-card,dialog,#toast,.flow-step{
  background:var(--glass);-webkit-backdrop-filter:var(--blur);backdrop-filter:var(--blur);
  border:1px solid var(--rim);box-shadow:inset 0 1px 0 var(--rim),inset 0 -1px 0 var(--rim-lo),var(--shadow)}
.card,.metric,.kpi,.login-card,.flow-step{position:relative}
.card::before,.sidebar::before,.topbar::before,.login-card::before{content:'';position:absolute;inset:0;border-radius:inherit;padding:1px;pointer-events:none;
  background:linear-gradient(135deg,rgba(255,255,255,.95),rgba(255,255,255,.08) 38%,rgba(255,255,255,0) 62%,rgba(255,255,255,.45));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:.75}
@media (prefers-color-scheme:dark){.card::before,.sidebar::before,.topbar::before,.login-card::before{opacity:.22}}
.source,.memory-entry,.circle-options label,.account-switch,.trait,.case,.candidate,.cmd,.token-box,.reply-card .post{background:var(--glass-soft);border:1px solid var(--rim-lo)}

/* 不支持模糊或用户要求减少透明度时，退回不透明表面。 */
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){:root{--glass:var(--glass-strong)}}
@media (prefers-reduced-transparency:reduce){
  :root{--glass:#f7f9fc;--glass-strong:#fff;--glass-soft:#eef2f7}
  .ambient{display:none}
  .card,.sidebar,.topbar,.metric,.kpi,.login-card,dialog,#toast,.flow-step{-webkit-backdrop-filter:none;backdrop-filter:none}}
@media (prefers-reduced-transparency:reduce) and (prefers-color-scheme:dark){:root{--glass:#1b2231;--glass-strong:#232c3e;--glass-soft:#151b27}}
@media (prefers-reduced-motion:reduce){*,*::before{animation:none!important;transition:none!important}}

button,input,textarea,select{font:inherit;color:inherit}
button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}
button{cursor:pointer;border:0}
button:disabled{opacity:.55;cursor:wait}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid color-mix(in srgb,var(--teal) 55%,transparent);outline-offset:3px}
a{color:var(--teal);text-decoration:none}
h1,h2,h3,p{margin-top:0}
h1{font-size:34px;line-height:1.45;font-weight:600}
h2{font-size:24px;margin-bottom:0;letter-spacing:-.4px}
h3{font-size:17px;font-weight:600;margin-bottom:14px}
p{margin-bottom:12px}
input,textarea,select{width:100%;border:1px solid var(--edge);border-radius:12px;background:var(--glass-strong);padding:11px 13px;min-width:0;box-shadow:inset 0 1px 2px var(--edge);transition:border-color .2s,box-shadow .2s}
input:focus,textarea:focus,select:focus{border-color:color-mix(in srgb,var(--teal) 50%,transparent)}
textarea{min-height:95px;resize:vertical;line-height:1.7}
label{display:block;font-size:13px;color:var(--muted)}
label>input,label>textarea,label>select{display:block;margin-top:7px;color:var(--ink)}
label small{display:block;margin-top:6px}

/* 按钮：主按钮是染色玻璃，次按钮是透明玻璃胶囊；悬停提亮上浮，按下回弹。 */
.primary,.secondary{border-radius:999px;transition:transform .35s var(--ease),box-shadow .25s,filter .25s,background .25s}
.primary{background:linear-gradient(180deg,var(--accent-hi),var(--accent));color:#fff;padding:11px 22px;font-weight:600;display:inline-flex;align-items:center;gap:18px;justify-content:center;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.45),inset 0 -1px 0 rgba(0,0,0,.12),0 8px 22px color-mix(in srgb,var(--accent) 32%,transparent)}
.secondary{background:var(--glass-strong);border:1px solid var(--rim);padding:10px 18px;box-shadow:inset 0 1px 0 var(--rim),0 4px 14px var(--edge)}
@media (hover:hover){.primary:hover:not(:disabled),.secondary:hover:not(:disabled){transform:translateY(-1px);filter:brightness(1.05)}}
.primary:active:not(:disabled),.secondary:active:not(:disabled){transform:scale(.97)}
.text-button{background:none;padding:6px 0;color:var(--teal);font-size:12px}
.danger{color:var(--err-ink)}
.muted{color:var(--muted)}
.small{font-size:12px}
.eyebrow{font-size:11px;letter-spacing:1.8px;color:var(--muted);margin-bottom:12px}
.brand-mark{display:grid;place-items:center;width:42px;height:42px;background:linear-gradient(160deg,var(--accent-hi),var(--accent));color:#fff;border-radius:14px 14px 14px 4px;font-size:22px;font-weight:700;box-shadow:inset 0 1px 0 rgba(255,255,255,.5),0 6px 16px color-mix(in srgb,var(--accent) 30%,transparent)}

/* 布局：悬浮玻璃侧栏 + 胶囊工具条 */
.shell{display:grid;grid-template-columns:252px minmax(0,1fr);min-height:100vh;gap:4px}
.sidebar{position:sticky;top:16px;height:calc(100vh - 32px);height:calc(100dvh - 32px);margin:16px 0 16px 16px;border-radius:28px;padding:28px 18px 18px;display:flex;flex-direction:column}
.brand-row{display:flex;align-items:center;justify-content:space-between;margin:0 8px 28px}
.brand{color:var(--ink);display:flex;gap:12px;align-items:center;font-size:22px;font-weight:600}
.menu-button,.menu-close,.nav-scrim{display:none}
.brand small{display:block;font-size:10px;letter-spacing:2px;color:var(--muted);font-weight:400}
.account-switch{padding:12px 14px;border-radius:18px;margin-bottom:20px}
.account-switch label{font-size:10px;margin-bottom:5px}
.account-switch select{padding:6px 0;background:transparent;border:0;box-shadow:none;font-weight:600}
.sidebar nav{display:grid;gap:5px}
.sidebar nav button{border-radius:999px;background:none;text-align:left;padding:10px 14px;color:var(--muted);transition:background .25s,color .25s,transform .35s var(--ease)}
.sidebar nav button span{font-size:17px;display:inline-block;width:28px}
@media (hover:hover){.sidebar nav button:hover{background:var(--glass-soft);color:var(--ink)}}
.sidebar nav button:active{transform:scale(.97)}
.sidebar nav button.active{background:var(--glass-strong);color:var(--teal);font-weight:600;box-shadow:inset 0 1px 0 var(--rim),0 4px 14px var(--edge)}
.sidebar-foot{margin-top:auto;border-top:1px solid var(--edge);padding-top:16px;font-size:11px;color:var(--muted)}
.sidebar-foot button{display:block;margin-top:6px}
.status-dot{width:7px;height:7px;background:var(--teal);display:inline-block;border-radius:50%;margin-right:6px;box-shadow:0 0 0 3px var(--teal-soft)}
.status-dot[data-state=idle]{background:var(--faint);box-shadow:0 0 0 3px var(--edge)}
.status-dot[data-state=warn]{background:var(--warn-ink);box-shadow:0 0 0 3px var(--warn-bg)}
.status-dot[data-state=off]{background:var(--err-ink);box-shadow:0 0 0 3px var(--err-bg)}
/* 长表单的保存按钮吸底，不用滑到最后才能保存。 */
.save-bar{position:sticky;bottom:calc(12px + env(safe-area-inset-bottom));z-index:4;display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  margin-top:4px;padding:10px 12px;border-radius:999px;background:var(--glass-strong);-webkit-backdrop-filter:var(--blur);backdrop-filter:var(--blur);
  border:1px solid var(--rim);box-shadow:inset 0 1px 0 var(--rim),var(--shadow)}
main{padding:16px 34px 18px;max-width:1600px;width:100%;margin:auto}
.topbar{position:sticky;top:14px;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:26px;border-radius:999px;padding:10px 12px 10px 28px;background:var(--glass-strong)}
@supports (backdrop-filter:url("#lg-refract")) and (not (-webkit-backdrop-filter:none)){
  .topbar{backdrop-filter:url("#lg-refract") blur(18px) saturate(190%)}}
.topbar .eyebrow{display:block;margin-bottom:0}
.topbar h2{font-size:21px}
.header-actions{display:flex;align-items:center;gap:12px}
.tag{display:inline-block;border-radius:999px;font-size:11px;color:var(--teal);background:var(--teal-soft);padding:3px 10px;white-space:nowrap}
.tag.warn{color:var(--warn-ink);background:var(--warn-bg)}
.tag.error{color:var(--err-ink);background:var(--err-bg)}
.card{border-radius:26px;padding:26px;margin-bottom:22px}
.welcome{display:grid;grid-template-columns:1.1fr 1fr;gap:28px;align-items:center;padding:34px}
.welcome h2{font-size:28px;line-height:1.55;margin:8px 0 12px}
.flow{display:flex;gap:7px;align-items:center;justify-content:center;padding:20px 0}
.flow-step{border-radius:22px;padding:22px 18px;flex:1;min-height:120px;background:var(--glass-strong)}
.flow-step:last-child{transform:translateY(14px)}
.flow-step strong{display:block;font-size:24px;margin-bottom:8px;font-weight:600}
.flow-step small{display:block;color:var(--muted);font-size:11px}
.flow-arrow{color:var(--faint)}
.metrics,.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.metric,.kpi{border-radius:20px;padding:18px 22px}
.metric .number,.kpi .number{font-size:32px;line-height:1.35;font-weight:600;display:block;margin:4px 0}
.metric .label,.kpi .label{font-size:11px;color:var(--muted)}
.split{display:grid;grid-template-columns:1.3fr 1fr;gap:22px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.section-head h3{margin:0}
.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.empty{display:grid;place-items:center;text-align:center;padding:58px 22px;color:var(--muted)}
.empty .empty-symbol{font-size:48px;color:var(--faint);margin:0 0 16px}
.empty h3{color:var(--ink);margin-bottom:8px}
.empty p{max-width:460px}
.timeline{list-style:none;padding:0;margin:0}
.timeline li{padding:0 0 20px 22px;border-left:1px solid var(--edge);position:relative;margin-left:5px}
.timeline li:before{content:'';position:absolute;left:-4px;top:7px;width:7px;height:7px;background:var(--teal);border-radius:50%;box-shadow:0 0 0 3px var(--teal-soft)}
.timeline time{font-size:11px;color:var(--muted)}
.timeline p{font-size:13px;margin:3px 0 0}
.notice{background:var(--warn-bg);border:1px solid var(--rim-lo);border-radius:16px;padding:13px 17px;color:var(--warn-ink);font-size:12px;margin-bottom:20px}
.danger-notice{background:var(--err-bg);color:var(--err-ink);font-size:13px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-grid .wide{grid-column:1/-1}
.form-row{display:flex;gap:12px;align-items:end}
.form-row>*:first-child{flex:1}
.field-check{display:flex;gap:9px;align-items:center;margin:9px 0;color:var(--ink)}
.field-check input{width:16px;accent-color:var(--teal);box-shadow:none}
.circle-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px 18px}
.circle-options label{padding:9px 12px;border-radius:12px}
.reply-card .post{padding:10px 16px;border-radius:14px;color:var(--muted);font-size:12px;margin:14px 0;white-space:pre-wrap;max-height:150px;overflow:auto}
.reply-body{white-space:pre-wrap;margin:18px 0;font-size:15px}
.reply-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.reply-meta time{margin-left:auto;color:var(--muted);font-size:11px}
.candidate{border-radius:14px;padding:10px 14px;margin-top:8px;font-size:13px}
.candidate.chosen{border-color:color-mix(in srgb,var(--teal) 45%,transparent)}
.candidate p{margin:0 0 4px;white-space:pre-wrap}
.divider{border:0;border-top:1px solid var(--edge);margin:24px 0}
.memory-entry{border-radius:16px;padding:14px 16px;margin-top:10px}
.memory-entry p{white-space:pre-wrap;margin:9px 0}
.answer{white-space:pre-wrap;font-size:15px;line-height:1.9}
.source{border-radius:16px;padding:15px;margin-top:12px;font-size:12px}
.source p{white-space:pre-wrap;max-height:130px;overflow:auto}
.loading{padding:50px;text-align:center;color:var(--muted)}
.login-screen{min-height:100vh;min-height:100dvh;display:grid;place-items:center;padding:16px 0}
.login-card{width:min(470px,calc(100% - 32px));border-radius:32px;padding:42px}
.login-card .brand-mark{margin-bottom:25px}
.login-card button{width:100%;margin:22px 0 18px}
.login-card .small{margin:0}
.login-card label{margin-bottom:14px}
.captcha-row{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:end;margin-bottom:14px}
.captcha-row label{margin:0}
.login-card .captcha-image{width:auto;margin:0;padding:0;background:#fff;border-radius:12px;border:1px solid var(--edge);overflow:hidden;height:47px;cursor:pointer}
.captcha-image img{display:block;height:47px;width:134px;object-fit:cover}
dialog{border-radius:30px;padding:36px;max-width:min(440px,calc(100vw - 28px));text-align:center;color:var(--ink)}
dialog::backdrop{background:rgba(15,22,34,.35);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.dialog-close{position:absolute;top:10px;right:15px;background:none;font-size:26px;color:var(--muted)}
.qr-content{min-height:245px;display:grid;place-items:center;margin:18px 0}
.qr-content img{width:230px;height:230px;object-fit:contain;border-radius:16px;background:#fff;padding:8px}
.qr-content .loading{padding:20px}
#toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:var(--glass-strong);padding:12px 22px;border-radius:999px;z-index:50;max-width:85vw}
footer{font-size:10px;letter-spacing:1px;color:var(--faint);text-align:center;padding:25px 0 5px}
details summary{cursor:pointer;color:var(--muted);font-size:12px}
pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:11px}
code{font-size:12px;overflow-wrap:anywhere}
input[type=file]{font-size:12px}

/* 人格画像 */
.persona-hero{display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:center}
.persona-hero blockquote{margin:0 0 14px;font-size:20px;line-height:1.7;font-weight:500}
.chips{display:flex;flex-wrap:wrap;gap:7px;margin:8px 0 4px}
.chip{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:4px 12px;font-size:12px;background:var(--glass-strong);border:1px solid var(--rim);box-shadow:inset 0 1px 0 var(--rim)}
.chip small{color:var(--muted)}
.trait{border-radius:16px;padding:13px 16px;margin-top:10px}
.trait strong{display:block;margin-bottom:3px}
.trait p{margin:0;font-size:13px;color:var(--muted)}
.list-plain{margin:0;padding-left:18px}
.list-plain li{margin-bottom:6px;font-size:13px}
.stats-table{width:100%;border-collapse:collapse;font-size:13px}
.stats-table caption{text-align:left;color:var(--muted);font-size:12px;margin-bottom:10px}
.stats-table th,.stats-table td{text-align:left;padding:9px 10px 9px 0;border-bottom:1px solid var(--edge);vertical-align:top}
.stats-table th[scope=row]{font-weight:400;color:var(--muted);width:28%}
.stats-table thead th{font-size:12px;font-weight:600}
.stats-table td .num{font-weight:600}
.stats-table td small{display:block;color:var(--muted);font-size:11px}
.swatch{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:-1px;background:var(--fill)}
.s1{--fill:var(--series-1);--track:var(--series-1-track)}
.s2{--fill:var(--series-2);--track:var(--series-2-track)}
.meter{display:block;height:8px;border-radius:999px;background:var(--track,var(--series-1-track));margin-top:6px;overflow:hidden}
.meter i{display:block;height:100%;border-radius:inherit;background:var(--fill,var(--series-1))}
.hero-figure{font-size:56px;line-height:1.1;font-weight:600;letter-spacing:-1px}
.hero-figure small{font-size:16px;color:var(--muted);font-weight:400;margin-left:4px}
.dims{display:grid;gap:12px;margin-top:16px}
.dims div{display:grid;grid-template-columns:96px 1fr 36px;gap:12px;align-items:center;font-size:13px}
.dims .meter{margin:0}
.dims b{text-align:right;font-weight:600}
.case{border-radius:16px;padding:14px 16px;margin-top:10px;font-size:13px}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:8px}
.compare p{margin:4px 0 0;white-space:pre-wrap}
.cmd{border-radius:14px;padding:10px 14px;margin:8px 0;font:12px/1.6 ui-monospace,Menlo,monospace;white-space:pre-wrap;overflow-wrap:anywhere}
.token-box{border-radius:14px;padding:12px 14px;margin:10px 0;font:13px ui-monospace,Menlo,monospace;overflow-wrap:anywhere}
.switch{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-size:13px;cursor:pointer}
.switch input{appearance:none;-webkit-appearance:none;width:46px;height:28px;margin:0;border-radius:999px;background:var(--glass-strong);border:1px solid var(--edge);position:relative;cursor:pointer;transition:background .25s;padding:0}
.switch input::after{content:'';position:absolute;top:2px;left:2px;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:0 2px 6px rgba(0,0,0,.2);transition:transform .35s var(--ease)}
.switch input:checked{background:var(--teal)}
.switch input:checked::after{transform:translateX(18px)}
.is-off{opacity:.45;filter:grayscale(1)}

@media(max-width:1100px){main{padding:16px 20px}
.welcome,.persona-hero{grid-template-columns:1fr;padding:25px}
.flow{padding:0 0 10px}
.split,.grid-2{grid-template-columns:1fr}
.metrics,.kpis{gap:10px;grid-template-columns:repeat(2,1fr)}}

/* 手机：侧栏变成左侧抽屉，顶栏只留菜单、标题和主按钮；收紧间距、放大触控区域。 */
@media(max-width:760px){
body{font-size:15px}
.shell{display:block}
.sidebar{position:fixed;z-index:40;top:0;bottom:0;left:0;width:min(300px,86vw);height:auto;margin:0;border-radius:0 26px 26px 0;
  padding:calc(18px + env(safe-area-inset-top)) 16px calc(16px + env(safe-area-inset-bottom)) calc(16px + env(safe-area-inset-left));
  background:var(--glass-strong);overflow-y:auto;overscroll-behavior:contain;transform:translateX(-105%);transition:transform .35s var(--ease);visibility:hidden}
.nav-open .sidebar{transform:none;visibility:visible}
.nav-scrim{display:block;position:fixed;inset:0;z-index:35;border:0;padding:0;background:rgba(15,22,34,.38);opacity:0;pointer-events:none;transition:opacity .25s}
.nav-open .nav-scrim{opacity:1;pointer-events:auto}
body.nav-open{overflow:hidden}
.brand-row{margin:0 4px 18px}
.menu-close{display:block;background:none;font-size:28px;line-height:1;color:var(--muted);padding:4px 8px}
.sidebar nav button{padding:12px 14px;font-size:15px}
.menu-button{display:grid;place-items:center;flex:none;width:42px;height:42px;border-radius:50%;background:var(--glass-soft);font-size:18px;color:var(--ink)}
main{padding:calc(8px + env(safe-area-inset-top)) calc(12px + env(safe-area-inset-right)) calc(16px + env(safe-area-inset-bottom)) calc(12px + env(safe-area-inset-left))}
.topbar{top:calc(6px + env(safe-area-inset-top));flex-wrap:nowrap;gap:10px;border-radius:24px;padding:7px 8px;margin-bottom:14px}
.topbar-title{flex:1;min-width:0}
.topbar .eyebrow{display:block;font-size:10px;letter-spacing:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar h2{font-size:17px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#mode-label{display:none}
#run-button{padding:9px 14px;font-size:13px;gap:6px;white-space:nowrap}
.card{border-radius:20px;padding:18px 16px;margin-bottom:14px}
.welcome{padding:20px 18px;gap:12px}
.welcome h2{font-size:21px}
.flow{display:none}
.metrics,.kpis{gap:10px;margin-bottom:14px}
.metric,.kpi{padding:12px 14px;border-radius:16px}
.metric .number,.kpi .number{font-size:22px}
.split,.grid-2{gap:0}
.section-head{flex-wrap:wrap;margin-bottom:12px}
.form-grid,.compare,.circle-options{grid-template-columns:1fr;gap:14px}
.form-row{flex-direction:column;align-items:stretch}
input,textarea,select{font-size:16px}  /* 小于 16px 时 iOS 聚焦会自动放大页面 */
.actions{gap:8px}
.text-button{padding:9px 2px;font-size:13px}
.reply-meta time{margin-left:0;width:100%}
.reply-card .actions .primary{order:-1;flex:1 1 100%}
.save-bar{border-radius:22px;padding:10px}
.save-bar .primary{flex:1 1 100%}
.save-bar .small{display:none}
.reply-body{font-size:15px;margin:12px 0}
.hero-figure{font-size:44px}
.persona-hero blockquote{font-size:17px}
.stats-table{font-size:12px}
.stats-table th[scope=row]{width:34%}
.dims div{grid-template-columns:84px 1fr 30px;gap:8px}
.chip{max-width:100%}
.notice{padding:11px 13px}
h1{font-size:26px}
.login-card{padding:26px 20px;border-radius:26px}
.login-card button{margin:16px 0 14px}
.captcha-image img{width:112px}
dialog{padding:28px 18px;border-radius:24px}
.qr-content{min-height:210px}
.qr-content img{width:200px;height:200px}
#toast{bottom:calc(18px + env(safe-area-inset-bottom));border-radius:18px;text-align:center;width:max-content;max-width:calc(100vw - 32px)}
footer{padding-bottom:calc(8px + env(safe-area-inset-bottom))}
/* 性能：手机上减轻模糊、停掉背景动画和折射滤镜，避免滚动掉帧。 */
:root{--blur:blur(14px) saturate(160%)}
.ambient span{animation:none;filter:blur(50px)}
.topbar{-webkit-backdrop-filter:var(--blur);backdrop-filter:var(--blur)}
.flow-step:last-child{transform:none}}
@media(max-width:380px){
.metrics,.kpis{grid-template-columns:1fr 1fr}
.metric .label,.kpi .label{font-size:10px}
#run-button{padding:9px 11px}
.dims div{grid-template-columns:72px 1fr 28px}}