/* ============================================================
   广平县 OPC AI 社区 · 手机版视觉系统
   与电脑版共用数据/交互层，但版式为手机原生：垂直流 + 底部 Tab
   深空底 / 霓虹渐变 / 玻璃拟态 / 轻量星空 / 扫描光带
   ============================================================ */
:root{
  --bg:#050912; --ink:#e8f0ff; --muted:#8a98b5; --dim:#5c6b88;
  --line:rgba(120,170,255,.14); --line2:rgba(120,170,255,.3);
  --cyan:#35e6ff; --blue:#5b8cff; --violet:#a06bff; --pink:#ff6bd6; --gold:#ffc65c;
  --ok:#3ce6b0; --warn:#ffcc66; --bad:#ff7a92;
  --glass:rgba(255,255,255,.035); --glass2:rgba(255,255,255,.07);
  --mono:ui-monospace,SFMono-Regular,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.7 var(--sans);overflow-x:hidden}
a{color:inherit;text-decoration:none}
h1,h2,h3,p{margin:0}

/* ---------- 背景与动态层 ---------- */
.grid-bg{position:fixed;inset:0;z-index:-3;pointer-events:none;
  background-image:linear-gradient(rgba(90,169,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(90,169,255,.05) 1px,transparent 1px);
  background-size:48px 48px;mask-image:radial-gradient(ellipse 95% 60% at 50% 0%,#000 20%,transparent 100%)}
.glow{position:fixed;z-index:-2;pointer-events:none;border-radius:50%;filter:blur(90px)}
.glow-m{width:380px;height:380px;top:-140px;right:-120px;background:radial-gradient(circle,#2a6bff,transparent 68%);opacity:.42}
.scanline{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.3;
  background:repeating-linear-gradient(0deg,transparent 0 3px,rgba(120,190,255,.02) 3px 4px)}
.scanbeam{position:fixed;left:0;right:0;height:2px;z-index:1;pointer-events:none;opacity:0;
  background:linear-gradient(90deg,transparent,rgba(56,225,255,.5),transparent);
  box-shadow:0 0 18px rgba(56,225,255,.4);animation:scanMove 13s linear infinite}
@keyframes scanMove{0%{top:-2%;opacity:0}10%{opacity:.4}90%{opacity:.4}100%{top:102%;opacity:0}}
.fx-canvas{position:fixed;inset:0;z-index:-2;pointer-events:none;opacity:.5}
.fx-halo{display:none}
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s cubic-bezier(.2,.8,.25,1)}
.reveal.shown{opacity:1;transform:none}

/* ---------- 顶栏 ---------- */
.appbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;
  height:58px;padding:0 16px;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(5,9,18,.95),rgba(5,9,18,.75));backdrop-filter:blur(16px)}
.appbar:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,230,255,.55),transparent);opacity:.5}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{position:relative;width:30px;height:30px;flex:none}
.brand-mark i{position:absolute;display:block;border:1.4px solid var(--cyan);border-radius:50%;box-shadow:0 0 9px rgba(53,230,255,.4)}
.brand-mark i:nth-child(1){width:28px;height:28px;left:1px;top:1px;border-color:rgba(53,230,255,.35)}
.brand-mark i:nth-child(2){width:18px;height:18px;left:6px;top:6px;border-color:rgba(160,107,255,.7)}
.brand-mark i:nth-child(3){width:7px;height:7px;left:12px;top:12px;background:var(--cyan);border:0}
.brand-text{min-width:0}
.brand-text b{display:block;font-size:14px;white-space:nowrap}
.brand-text small{display:block;font:600 11px/1.5 'Microsoft YaHei', 'PingFang SC', sans-serif;color:var(--dim);letter-spacing:.6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.live-dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok);flex:none;animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ---------- 通用元件 ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font:10px/1 var(--mono);letter-spacing:1.6px;color:var(--cyan)}
.eyebrow .dot{width:5px;height:5px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
.chip{display:inline-block;padding:4px 9px;border-radius:5px;font:9.5px/1.5 var(--mono);
  color:var(--muted);background:rgba(120,170,255,.08);border:1px solid var(--line)}
.chip-gold{color:#ffd894;border-color:rgba(255,198,92,.35);background:rgba(255,198,92,.09)}
.chip-hot{color:#ffd9e9;border-color:rgba(255,107,214,.4);background:rgba(255,107,214,.1)}
.chip-demo{color:var(--warn);border-color:rgba(255,204,102,.3);background:rgba(255,204,102,.08)}
.grad{background:linear-gradient(100deg,#fff 5%,var(--cyan) 50%,var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.outline{-webkit-text-stroke:1px rgba(190,215,255,.32);color:transparent}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 20px;border-radius:10px;
  font-size:14px;font-weight:600;border:1px solid transparent;transition:transform .2s}
.btn:active{transform:scale(.985)}
.btn i{font-style:normal}
.btn-glow{color:#05121a;background:linear-gradient(110deg,var(--cyan),#7fd4ff 45%,var(--violet));
  box-shadow:0 8px 26px rgba(53,230,255,.25)}
.btn-ghost{color:var(--ink);background:var(--glass);border-color:var(--line2)}
.btn.block{display:flex;width:100%}

/* ---------- 首页 ---------- */
.m-hero{position:relative;padding:34px 18px 30px}
.m-hero h1{font-size:44px;line-height:1.1;letter-spacing:-1.5px;margin:18px 0 16px;font-weight:800}
.m-hero h1 .outline{display:block;font-size:.36em;letter-spacing:3px;margin-top:8px;font-weight:700}
.m-hero p{font-size:14px;line-height:1.85;color:var(--muted)}
.m-hero-tags{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0 26px}
.m-section{padding:0 18px 26px}
.m-section-head{margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.m-section-head h2{font-size:22px;margin-top:10px}
.m-closing{margin:8px 18px 26px;padding:28px 22px;border:1px solid var(--line2);border-radius:16px;
  background:radial-gradient(circle at 90% 10%,rgba(160,107,255,.18),transparent 60%),var(--glass)}
.m-closing h2{font-size:24px;line-height:1.4;margin-bottom:20px}
.m-footer{display:flex;flex-direction:column;gap:8px;padding:20px 18px 34px;border-top:1px solid var(--line);
  font:10px/1.7 var(--mono);color:var(--dim)}
.m-footer a{color:var(--cyan)}

/* ---------- Bento / 指标 ---------- */
.bento-grid{display:grid;grid-template-columns:1fr;gap:12px}
.bento{position:relative;display:flex;flex-direction:column;gap:9px;padding:20px;border-radius:14px;
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(10px);overflow:hidden;min-height:0}
.bento:after{content:"";position:absolute;left:0;right:0;top:0;height:1px;opacity:.55;
  background:linear-gradient(90deg,transparent,rgba(56,225,255,.6),transparent)}
.bento-no{font:9.5px/1 var(--mono);letter-spacing:1.5px;color:var(--cyan)}
.bento-analysis:first-child .bento-no{color:var(--gold)}
.bento h3{font-size:17px;line-height:1.45}
.bento p{font-size:13px;color:var(--muted);line-height:1.75}
.bento-meta{font:10px/1.6 var(--mono)!important;color:var(--dim)!important}
.bento-icon{position:absolute;right:18px;top:16px;font-size:30px;color:rgba(160,107,255,.45)}
.bento-go{margin-top:6px;font:10px/1 var(--mono);letter-spacing:1px;color:var(--cyan);display:flex;gap:6px;align-items:center}
.bento-go i{font-style:normal}
.points{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:14px}
.metric{padding:16px;border:1px solid var(--line);border-radius:12px;background:linear-gradient(160deg,rgba(53,230,255,.07),transparent 75%)}
.metric b{font:700 26px/1 var(--mono);background:linear-gradient(180deg,#fff,#7db8ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.metric i{font-style:normal;font-size:11px;color:var(--muted);margin-left:4px}
.metric span{display:block;margin-top:6px;font-size:10.5px;color:var(--dim)}

/* ---------- 主页舞台 / 视图 ---------- */
.m-stage{padding:22px 16px calc(86px + env(safe-area-inset-bottom))}
.has-tabbar .m-stage{min-height:calc(100vh - 58px)}
.view-enter{animation:viewIn .4s ease both}
@keyframes viewIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.hero-mini{margin-bottom:22px}
.hero-mini h1{font-size:27px;letter-spacing:-.6px;margin:12px 0 8px}
.hero-mini p{font-size:13px;color:var(--muted)}
.bento-section,.bento-module,.bento-legal,.bento-company{min-height:0}
.strip{display:flex;gap:9px;margin-top:16px;padding:14px 16px;border-radius:12px;
  border:1px solid var(--line);background:var(--glass);font-size:12px;color:var(--muted);line-height:1.8}
.strip-warn{border-color:rgba(255,204,102,.25);background:rgba(255,204,102,.05);color:#e7d5ad}
.strip-dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 9px var(--cyan);flex:none;margin-top:8px}
.strip-warn .strip-dot{background:var(--warn);box-shadow:0 0 9px var(--warn)}
code{font:10px var(--mono);color:var(--cyan);background:rgba(53,230,255,.08);padding:2px 4px;border-radius:4px}

/* ---------- 列表流 ---------- */
.feed{display:flex;flex-direction:column;gap:10px}
.feed-item{padding:18px;border:1px solid var(--line);border-radius:13px;background:var(--glass)}
.feed-hot{border-left:3px solid var(--pink)}
.feed-meta{display:flex;align-items:center;gap:8px;margin-bottom:10px;flex-wrap:wrap}
.feed-meta time{font:9.5px var(--mono);color:var(--dim)}
.feed-item h3{font-size:15.5px;line-height:1.6;margin-bottom:6px}
.feed-item p{font-size:12px;color:var(--muted)}

/* ---------- 表单 ---------- */
.glass-form{padding:20px 16px;border:1px solid var(--line2);border-radius:16px;
  background:linear-gradient(160deg,rgba(53,230,255,.05),transparent 40%),var(--glass)}
.glass-form h2{font-size:16px;margin:0 0 16px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.glass-form h2 .sub{display:block;font:10px var(--mono);color:var(--dim);margin-top:4px}
.glass-form h2:not(:first-child){margin-top:28px}
.form-grid{display:grid;grid-template-columns:1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:7px;min-width:0}
.field.full{grid-column:auto}
.field label{font-size:12px;color:var(--muted)}
.field label em{color:var(--pink);font-style:normal}
.field input,.field textarea{width:100%;padding:12px 13px;border-radius:9px;outline:none;
  border:1px solid var(--line);background:rgba(3,7,16,.65);color:var(--ink);font:14px var(--sans);transition:.2s;resize:vertical}
.field input:focus,.field textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(53,230,255,.1)}
.field input.invalid{border-color:var(--bad)}
.field input::placeholder,.field textarea::placeholder{color:#4a5872}
.quiz{display:flex;flex-direction:column;gap:9px}
.quiz-row{display:flex;flex-direction:column;gap:12px;padding:15px;border:1px solid var(--line);border-radius:11px;background:rgba(3,7,16,.4)}
.quiz-q{display:flex;gap:10px;align-items:flex-start}
.quiz-no{font:10px var(--mono);color:var(--cyan);padding-top:3px;flex:none}
.quiz-q label{display:block;font-size:13px;line-height:1.6;color:var(--ink)}
.quiz-q small{display:block;margin-top:4px;font-size:11px;color:var(--dim);line-height:1.6}
.quiz-opt{display:flex;gap:8px;flex-wrap:wrap}
.quiz-opt label{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;min-height:40px;border-radius:8px;
  border:1px solid var(--line);background:var(--glass);font-size:12px;color:var(--muted)}
.quiz-opt input{accent-color:var(--cyan);margin:0}
.result-box{margin-top:18px;padding:18px;border-radius:12px;border:1px solid var(--line)}
.result-box strong{font-size:16px}
.result-box p{margin-top:8px;font-size:12.5px;color:var(--muted);line-height:1.8}
.result-metrics{display:flex;gap:14px;margin-top:14px;flex-wrap:wrap}
.result-metrics span{font:10px var(--mono);color:var(--dim)}
.result-metrics b{color:var(--cyan);font-size:13px}
.result-note{font-size:11px!important;color:var(--dim)!important;border-top:1px solid var(--line);padding-top:10px;margin-top:14px}
.level-ok{border-color:rgba(60,230,176,.4);background:rgba(60,230,176,.07)}
.level-ok strong{color:var(--ok)}
.level-mid{border-color:rgba(255,204,102,.4);background:rgba(255,204,102,.07)}
.level-mid strong{color:var(--warn)}
.level-low{border-color:rgba(255,122,146,.4);background:rgba(255,122,146,.07)}
.level-low strong{color:var(--bad)}
.level-warn{border-color:rgba(255,204,102,.35);background:rgba(255,204,102,.05)}
.form-actions{display:flex;flex-direction:column;gap:10px;margin-top:22px}
.form-note{margin-top:14px;font-size:11px;color:var(--dim)}
.hidden{display:none!important}
.opc-toast{position:fixed;left:16px;right:16px;bottom:calc(80px + env(safe-area-inset-bottom));z-index:99;
  padding:13px 18px;border-radius:10px;border:1px solid rgba(53,230,255,.4);
  background:rgba(8,18,32,.96);color:var(--ink);font-size:13px;text-align:center;box-shadow:0 12px 40px rgba(0,0,0,.5);
  opacity:0;pointer-events:none;transform:translateY(12px);transition:.3s}
.opc-toast.show{opacity:1;transform:none}

/* ---------- 底部 Tab ---------- */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:30;display:grid;grid-template-columns:repeat(5,1fr);
  height:calc(60px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);
  background:rgba(5,10,20,.94);border-top:1px solid var(--line);backdrop-filter:blur(18px)}
.tabbar:before{content:"";position:absolute;left:0;right:0;top:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,230,255,.5),transparent);opacity:.55}
.tabbar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  min-height:44px;font-size:10.5px;color:var(--dim);position:relative}
.tabbar a i{font-style:normal;font-size:18px;line-height:1}
.tabbar a.active{color:var(--cyan)}
.tabbar a.active:before{content:"";position:absolute;top:0;width:24px;height:2px;border-radius:2px;
  background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}


/* ---------- 站点图标：广平小天鹅徽章 ---------- */
img.brand-mark{width:34px;height:34px;object-fit:contain;flex:none;border-radius:50%;
  filter:drop-shadow(0 0 8px rgba(53,230,255,.45))}

/* ---------- 后台内容联动：主页内容区 / 正文展开 ---------- */
.m-home-feed{margin-top:24px}
.feed-detail{margin-top:12px;border-top:1px solid rgba(120,170,255,.14);padding-top:10px}
.feed-detail summary{list-style:none;display:inline-flex;gap:6px;cursor:pointer;font-size:12px;color:var(--cyan)}
.feed-detail summary::-webkit-details-marker{display:none}
.feed-body{margin-top:10px;font-size:13px;line-height:1.9;color:var(--muted);word-break:break-word}
.m-strip a,.feed-body a{color:var(--cyan)}

/* ============================================================
   手机端首页：整屏落地页（点阵地球 + 双按钮，无其它内容）
   —— 仅 m/index.html 使用，body.m-splash
   ============================================================ */
body.m-splash{background:#fff;overflow:hidden}
body.m-splash .splash{position:relative;display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:clamp(8px,2.6vh,30px);
  height:100vh;height:100dvh;min-height:0;overflow:hidden;
  padding:calc(16px + env(safe-area-inset-top)) 16px calc(30px + env(safe-area-inset-bottom))}
/* 舞台按「可用宽 / 可用高」中较小者取正方形：折叠屏展开后宽度很大，若只按宽撑高会把按钮顶出屏幕 */
body.m-splash .splash-visual{position:relative;flex:0 0 auto;
  width:min(100%, calc(100vh - 140px));max-width:100%;aspect-ratio:1/1;
  display:flex;align-items:center;justify-content:center;animation:splashIn .75s ease both}
@supports (height:1dvh){
  body.m-splash .splash-visual{width:min(100%, calc(100dvh - 140px))}
}
@keyframes splashIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

/* 球体缩放：默认值兜底；支持长度除法的浏览器按「宽 / 可用高」自动取值，JS 会再按实际舞台尺寸精算 */
body.m-splash .opc-orb{--orb-s:.55}
@supports (transform: scale(calc(100vw / 660px))){
  body.m-splash .opc-orb{--orb-s:min(calc(100vw / 660px), calc((100vh - 140px) / 660px))}
}
@supports (transform: scale(calc(1dvh / 1px))) and (height:1dvh){
  body.m-splash .opc-orb{--orb-s:min(calc(100vw / 660px), calc((100dvh - 140px) / 660px))}
}

/* 球心文字：手机上补偿舞台缩放，保持原设计比例 */
body.m-splash .opc-core{width:154px;height:154px}
body.m-splash .opc-core b{font-size:35px}
body.m-splash .opc-core span{font-size:17px;letter-spacing:6px;top:calc(50% + 31px)}

/* 底部双按钮 */
body.m-splash .splash-actions{display:flex;gap:11px;width:100%;max-width:min(520px,100%);flex:0 0 auto;
  flex-shrink:0;animation:splashIn .75s ease .1s both}
body.m-splash .splash-btn{display:flex;align-items:center;justify-content:center;gap:7px;
  flex:1 1 0;min-width:0;height:54px;border-radius:13px;
  font-size:15.5px;font-weight:600;letter-spacing:.6px;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease}
body.m-splash .splash-btn:active{transform:scale(.985)}
body.m-splash .splash-btn-main{flex:1.12 1 0;background:#1d4f8f;color:#fff;
  box-shadow:0 12px 24px -14px rgba(29,79,143,.9)}
body.m-splash .splash-btn-main i{font-style:normal;font-weight:400;font-size:16px;margin-left:1px}
body.m-splash .splash-btn-ghost{background:#fff;color:#1d4f8f;border:1px solid #cdd9e8}
body.m-splash .splash-btn-ghost:active{background:#f4f7fb}
@media(max-width:350px){
  body.m-splash .splash-actions{gap:9px}
  body.m-splash .splash-btn{font-size:14px;height:52px;border-radius:12px}
}

/* 折叠屏 / 平板：按钮适当放大，避免大屏上显得局促 */
@media(min-width:600px){
  body.m-splash .splash-btn{height:58px;font-size:16px;border-radius:14px}
}

/* 第 44 轮：折叠屏展开后宽度超过 720/760px，共用 news.css 的 PC 默认两列版式
   （grid-template-columns:640px 1fr）会重新生效：640px 固定大图列把文字列挤成 0 宽，
   出现标题竖排 + 卡片被撑出大片空白。手机端（含大屏折叠）一律强制单列。
   本文件只在 m/ 下加载，PC 端零影响。 */
body.m-body .dyn-wrap{grid-template-columns:minmax(0,1fr);gap:18px;padding:16px 14px 6px}
body.m-body .dyn-wrap--latest{display:block;padding:18px 16px}
body.m-body .dyn-latest{grid-template-columns:minmax(0,1fr);gap:16px}
body.m-body .dyn-carousel{height:clamp(187px,30vw,280px)}
body.m-body .dyn-carousel-title{font-size:clamp(14px,2.2vw,17px)}
body.m-body .dyn-latest-media{height:clamp(180px,28vw,260px)}
body.m-body .dyn-latest-body h2{font-size:clamp(19px,3vw,22px)}
body.m-body .dyn-latest-text{font-size:14px;line-height:1.9}