:root{
  --bg:#f5f8fd; --bg-soft:#eef4fc; --card:#ffffff; --card-2:#fafdff;
  --ink:#1b2a45; --ink-2:#44567a; --muted:#7a8aa5; --line:#e4ecf7;
  --blue:#2f6bff; --blue-soft:#eaf1ff; --teal:#0ea5a4; --teal-soft:#e3f7f5;
  --amber:#e8912a; --amber-soft:#fff3e2; --rose:#e15c73; --rose-soft:#ffedf1;
  --shadow:0 8px 28px rgba(31,64,124,.07),0 1px 3px rgba(31,64,124,.05);
  --shadow-lg:0 18px 48px rgba(31,64,124,.11);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:82px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:14px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
svg{display:block}
h1,h2,h3,h4,p{margin:0}
::selection{background:#cfe0ff;color:#153a8a}

/* ---------- top bar ---------- */
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.topbar-inner{max-width:1240px;margin:0 auto;padding:12px 28px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--blue),#5b9bff);display:grid;place-items:center;box-shadow:0 6px 16px rgba(47,107,255,.24)}
.brand-mark svg{width:22px;height:22px;fill:#fff}
.brand-text{font-weight:750;font-size:15px;letter-spacing:.2px;line-height:1.25}
.brand-text small{display:block;font-weight:500;font-size:11px;color:var(--muted);letter-spacing:.1px}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav-link{padding:8px 13px;border-radius:10px;color:var(--ink-2);font-size:13px;font-weight:600;transition:.18s}
.nav-link:hover{background:var(--bg-soft);color:var(--blue)}
.nav-link.active{background:var(--blue-soft);color:var(--blue)}
.nav-link.nav-accent{color:var(--blue)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:7px;color:var(--ink-2);margin-left:auto;cursor:pointer}
.nav-toggle svg{width:20px;height:20px}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#fff 0%,#f7faff 100%);border-bottom:1px solid var(--line)}
.hero:before{content:"";position:absolute;width:520px;height:520px;right:-140px;top:-260px;border-radius:50%;background:radial-gradient(circle,rgba(47,107,255,.13),transparent 68%)}
.hero:after{content:"";position:absolute;width:420px;height:420px;left:-180px;bottom:-280px;border-radius:50%;background:radial-gradient(circle,rgba(14,165,164,.10),transparent 68%)}
.hero-inner{position:relative;max-width:1240px;margin:0 auto;padding:56px 28px 46px;display:grid;grid-template-columns:1.35fr .9fr;gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--blue-soft);color:var(--blue);font-size:12px;font-weight:650;padding:7px 13px;border-radius:999px;margin-bottom:20px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px rgba(47,107,255,.15)}
h1{font-size:clamp(28px,3.4vw,44px);line-height:1.28;letter-spacing:-.6px;font-weight:800}
h1 span{background:linear-gradient(100deg,var(--blue),#17a7b5);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-desc{margin-top:18px;color:var(--ink-2);font-size:14.5px;max-width:660px}
.hero-desc strong{color:var(--blue);font-weight:700}
.hero-actions{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 19px;border-radius:12px;font-weight:650;font-size:13.5px;cursor:pointer;border:1px solid transparent;transition:.2s}
.btn svg{width:17px;height:17px}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(47,107,255,.24)}
.btn-primary:hover{background:#205ae8;transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--ink-2);border-color:var(--line)}
.btn-ghost:hover{border-color:#bcd0f5;color:var(--blue)}
.btn-soft{background:#fff;color:var(--ink-2);border-color:var(--line);padding:9px 15px}
.btn-soft:hover{color:var(--blue);border-color:#bcd0f5}
.hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.stat{background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:16px;padding:17px 18px;box-shadow:var(--shadow)}
.stat b{display:block;font-size:26px;font-weight:800;letter-spacing:-.5px;color:var(--blue);line-height:1.2}
.stat:nth-child(2) b{color:var(--teal)}
.stat:nth-child(3) b{color:var(--amber)}
.stat:nth-child(4) b{color:#7c62d6}
.stat span{font-size:12px;color:var(--muted)}

/* ---------- sections ---------- */
.section{max-width:1240px;margin:0 auto;padding:52px 28px 8px}
.section-highlight{max-width:none;padding-left:max(28px,calc((100vw - 1184px)/2));padding-right:max(28px,calc((100vw - 1184px)/2));background:linear-gradient(180deg,#f0f6ff,#f7faff);border-top:1px solid #e3edff;border-bottom:1px solid #e3edff;margin-top:54px;padding-top:52px;padding-bottom:36px}
.section-head{display:flex;gap:16px;align-items:flex-start;margin-bottom:26px}
.section-no{flex:0 0 auto;width:38px;height:38px;border-radius:12px;background:#fff;border:1px solid var(--line);color:var(--blue);display:grid;place-items:center;font-weight:800;font-size:14px;box-shadow:var(--shadow)}
.section-highlight .section-no{background:#fff}
.section-head h2{font-size:22px;font-weight:780;letter-spacing:-.3px}
.section-head p{color:var(--muted);font-size:13px;margin-top:5px;max-width:820px}

/* ---------- vendor cards ---------- */
.vendor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.v-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px;transition:.2s}
.v-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#c9dcff}
.v-top{display:flex;align-items:flex-start;gap:12px}
.v-no{width:34px;height:34px;border-radius:10px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-size:12px;font-weight:800;flex-shrink:0}
.v-name{font-size:16px;font-weight:750;line-height:1.35}
.v-company{font-size:11.5px;color:var(--muted);margin-top:3px;line-height:1.45}
.v-tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{font-size:11px;font-weight:650;padding:4px 9px;border-radius:7px;background:var(--bg-soft);color:var(--ink-2)}
.tag.blue{background:var(--blue-soft);color:var(--blue)}
.tag.teal{background:var(--teal-soft);color:#0b8c8b}
.tag.amber{background:var(--amber-soft);color:#b56b13}
.v-facts{display:grid;grid-template-columns:1fr 1fr;gap:8px;border-top:1px dashed var(--line);padding-top:13px}
.v-fact span{display:block;font-size:11px;color:var(--muted)}
.v-fact b{font-size:14px;font-weight:750;color:var(--ink)}
.v-verdict{font-size:12.5px;color:var(--ink-2);background:var(--card-2);border-left:3px solid var(--teal);padding:9px 11px;border-radius:0 8px 8px 0;line-height:1.55}
.v-actions{margin-top:auto;display:flex;gap:8px}
.v-btn{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 10px;border-radius:10px;background:var(--blue);color:#fff;font-size:12.5px;font-weight:650;cursor:pointer;border:none;transition:.2s}
.v-btn:hover{background:#205ae8}
.v-btn svg{width:14px;height:14px}
.v-btn.alt{background:#fff;color:var(--ink-2);border:1px solid var(--line);flex:0 0 auto}
.v-btn.alt:hover{color:var(--blue);border-color:#bcd0f5}

/* ---------- listen ---------- */
.listen-layout{display:grid;grid-template-columns:220px minmax(0,1fr) 330px;gap:16px;align-items:start}
.clip-list{display:flex;flex-direction:column;gap:8px}
.clip-tab{display:flex;align-items:center;gap:11px;width:100%;text-align:left;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 13px;cursor:pointer;transition:.18s;color:var(--ink)}
.clip-tab:hover{border-color:#bcd0f5}
.clip-tab.active{border-color:var(--blue);background:linear-gradient(100deg,#fff,#f2f7ff);box-shadow:0 6px 18px rgba(47,107,255,.12)}
.clip-tab .clip-ico{width:32px;height:32px;border-radius:10px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;flex-shrink:0}
.clip-tab.active .clip-ico{background:var(--blue);color:#fff}
.clip-ico svg{width:15px;height:15px}
.clip-tab b{display:block;font-size:13px;font-weight:700;line-height:1.3}
.clip-tab small{display:block;font-size:11px;color:var(--muted);margin-top:2px}
.clip-tab .clip-dur{margin-left:auto;font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}

.player-panel,.transcript-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.player-top{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;padding:20px 22px 12px}
.player-kicker{font-size:11px;font-weight:700;color:var(--blue);letter-spacing:.6px;text-transform:uppercase}
.player-top h3{font-size:20px;font-weight:780;margin-top:4px}
.player-sub{font-size:12px;color:var(--muted);margin-top:4px}
.player-badges{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.badge{font-size:11px;font-weight:650;padding:5px 9px;border-radius:8px;background:var(--bg-soft);color:var(--ink-2);white-space:nowrap}
.badge.teal{background:var(--teal-soft);color:#0b8c8b}
.badge.amber{background:var(--amber-soft);color:#b56b13}
.wave-wrap{padding:6px 22px 0;position:relative}
#wave{width:100%;height:108px;display:block;cursor:pointer;border-radius:10px;background:linear-gradient(180deg,#fbfdff,#f4f8ff)}
.wave-hint{position:absolute;right:30px;top:10px;font-size:10.5px;color:#9aabc4;pointer-events:none}
.player-controls{display:flex;align-items:center;gap:9px;padding:14px 22px 18px;flex-wrap:wrap}
.ctrl{width:34px;height:34px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink-2);display:grid;place-items:center;cursor:pointer;transition:.18s;flex-shrink:0}
.ctrl:hover{border-color:#bcd0f5;color:var(--blue)}
.ctrl svg{width:17px;height:17px}
.ctrl-main{width:44px;height:44px;border:none;background:var(--blue);color:#fff;box-shadow:0 6px 16px rgba(47,107,255,.25)}
.ctrl-main:hover{background:#205ae8;color:#fff}
.ctrl-main svg{width:21px;height:21px}
.ctrl-main .ico-pause{display:none}
.ctrl-main.playing .ico-play{display:none}
.ctrl-main.playing .ico-pause{display:block}
.time-read{font-size:12.5px;color:var(--ink-2);font-variant-numeric:tabular-nums;font-weight:650;margin-left:4px;white-space:nowrap}
.time-sep{color:#b8c5da;margin:0 5px}
.ctrl-spacer{flex:1}
.pill{border:1px solid var(--line);background:#fff;color:var(--ink-2);border-radius:9px;padding:7px 10px;font-size:12px;font-weight:650;cursor:pointer;white-space:nowrap;transition:.18s}
.pill:hover{color:var(--blue);border-color:#bcd0f5}
.pill-link{display:inline-flex;align-items:center;gap:5px}
.pill-link svg{width:14px;height:14px}
.volume{display:flex;align-items:center;gap:7px;color:var(--muted)}
.volume svg{width:17px;height:17px;flex-shrink:0}
.volume input{width:70px;accent-color:var(--blue);cursor:pointer}
#audio{display:none}
.verdict-box{margin:0 22px 20px;background:linear-gradient(100deg,#f7fbff,#f2f8f7);border:1px solid #e5eef8;border-radius:13px;padding:14px 16px}
.verdict-label{font-size:11px;font-weight:700;color:var(--teal);letter-spacing:.3px}
.verdict-text{font-size:13px;color:var(--ink-2);margin-top:6px;line-height:1.7}
.source-link{display:inline-flex;align-items:center;gap:4px;font-size:12px;color:var(--blue);font-weight:650;margin-top:9px}
.source-link:hover{text-decoration:underline}
.source-link svg{width:13px;height:13px}

.transcript-panel{display:flex;flex-direction:column;max-height:520px}
.transcript-head{padding:17px 18px 13px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.transcript-head h4{font-size:14.5px;font-weight:750}
.transcript-head p{font-size:11px;color:var(--muted);margin-top:4px;line-height:1.5}
.chip{font-size:11px;background:var(--blue-soft);color:var(--blue);padding:4px 9px;border-radius:999px;font-weight:650;white-space:nowrap}
.transcript-list{overflow-y:auto;padding:12px 14px 16px;scroll-behavior:smooth;flex:1}
.tline{display:flex;gap:10px;padding:9px 10px;border-radius:11px;cursor:pointer;transition:.15s;margin-bottom:3px;border:1px solid transparent}
.tline:hover{background:var(--bg-soft)}
.tline.active{background:var(--blue-soft);border-color:#d5e4ff}
.t-time{flex:0 0 38px;font-size:10.5px;color:#9aabc4;font-variant-numeric:tabular-nums;padding-top:3px}
.t-body{min-width:0}
.t-role{font-size:10.5px;font-weight:750;letter-spacing:.2px;margin-bottom:2px;color:var(--blue)}
.tline.user .t-role{color:var(--teal)}
.t-text{font-size:12.5px;color:var(--ink-2);line-height:1.6;word-break:break-word}
.tline.user .t-text{color:var(--ink)}

.listen-foot{margin-top:18px;background:#fff;border:1px dashed #cddcf4;border-radius:14px;padding:14px 18px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.listen-foot-title{font-size:12px;font-weight:700;color:var(--ink-2);white-space:nowrap}
.dim-chips{display:flex;gap:7px;flex-wrap:wrap}
.dim-chip{font-size:11px;color:var(--muted);background:var(--bg-soft);padding:5px 10px;border-radius:8px}

/* ---------- plans ---------- */
.plan-toolbar{display:flex;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.search-box{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:11px;padding:9px 13px;min-width:320px;flex:1;max-width:440px}
.search-box svg{width:16px;height:16px;color:var(--muted)}
.search-box input{border:none;outline:none;background:transparent;width:100%;font-size:13px;color:var(--ink)}
.search-box input::placeholder{color:#a5b3c9}
.plan-count{font-size:12px;color:var(--muted);margin-left:auto}
.plan-groups{display:flex;flex-direction:column;gap:12px}
.plan-group{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.plan-head{display:flex;align-items:center;gap:12px;padding:15px 19px;cursor:pointer;user-select:none;transition:.15s}
.plan-head:hover{background:#fafcff}
.plan-head .pg-no{width:28px;height:28px;border-radius:9px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-size:11px;font-weight:800}
.plan-head h3{font-size:15px;font-weight:750}
.plan-head .pg-sub{font-size:11.5px;color:var(--muted);margin-left:4px}
.plan-head .pg-meta{margin-left:auto;display:flex;align-items:center;gap:10px}
.pg-meta span{font-size:11.5px;color:var(--muted)}
.caret{width:16px;height:16px;color:var(--muted);transition:transform .2s}
.plan-group.open .caret{transform:rotate(180deg)}
.plan-body{display:none;border-top:1px solid var(--line)}
.plan-group.open .plan-body{display:block}
.plan-line-name{font-size:12px;font-weight:700;color:var(--ink-2);background:#f8fbff;padding:9px 19px;border-bottom:1px solid var(--line)}
.table-scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:12.5px;min-width:760px}
th{background:#fbfdff;text-align:left;font-weight:700;color:var(--muted);font-size:11.5px;padding:10px 14px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:11px 14px;border-bottom:1px solid #f0f4fa;color:var(--ink-2);vertical-align:top}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fafcff}
td.p-name{font-weight:650;color:var(--ink);white-space:nowrap}
td.p-price{font-weight:750;color:var(--amber);white-space:nowrap;font-variant-numeric:tabular-nums}
td.p-count{white-space:nowrap}
td.p-desc{line-height:1.65;min-width:280px}
.plan-empty{padding:18px 20px;color:var(--muted);font-size:12.5px}

/* ---------- compare ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.compare-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.compare-card h3{font-size:14.5px;font-weight:750;padding:15px 17px 12px;border-bottom:1px solid var(--line)}
.compare-card h3 span{color:var(--blue);margin-right:6px}
.compare-card table{min-width:0;font-size:12px}
.compare-card th,.compare-card td{padding:9px 12px}
.compare-card td:first-child{font-weight:650;color:var(--ink)}
.compare-card td:nth-child(2){color:var(--blue);font-weight:650}
.todo-box{margin-top:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 22px}
.todo-box h3{font-size:14.5px;font-weight:750;display:flex;align-items:center;gap:9px;margin-bottom:10px}
.todo-icon{width:20px;height:20px;border-radius:6px;background:var(--amber-soft);color:var(--amber);display:grid;place-items:center;font-size:12px;font-weight:800}
.todo-box ol{margin:0;padding-left:20px;color:var(--ink-2);font-size:12.5px;line-height:1.9}

/* ---------- features ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;display:flex;flex-direction:column}
.feature-card h3{font-size:15px;font-weight:750;display:flex;align-items:center;gap:9px;margin-bottom:4px}
.feature-card .fc-no{width:24px;height:24px;border-radius:8px;background:var(--teal-soft);color:#0b8c8b;display:grid;place-items:center;font-size:11px;font-weight:800}
.feature-card .fc-sub{font-size:11.5px;color:var(--muted);margin-bottom:12px}
.f-row{display:flex;gap:9px;padding:7px 0;border-top:1px dashed #edf2f9;font-size:12.5px;line-height:1.6}
.f-row .f-idx{flex:0 0 20px;color:var(--blue);font-weight:700;font-size:11px}
.f-row b{font-weight:650;color:var(--ink)}
.f-row span{color:var(--muted)}
.f-row .f-txt{color:var(--ink-2);flex:1}
.f-row .f-txt em{font-style:normal;color:var(--muted);font-size:11.5px;display:block;margin-top:1px}
.fc-extra{margin-top:12px;background:var(--card-2);border-radius:10px;padding:10px 12px;font-size:11.5px;color:var(--ink-2);line-height:1.7}
.fc-extra div+div{margin-top:5px}
.fc-extra b{color:var(--ink);font-weight:650}

/* ---------- notes ---------- */
.notes-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.note-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 20px}
.note-card h3{font-size:14.5px;font-weight:750;margin-bottom:10px}
.note-card p,.note-card li{font-size:12.5px;color:var(--ink-2);line-height:1.8}
.note-card ul,.note-card ol{padding-left:18px;margin:0}
.note-card .mini{font-size:11.5px;color:var(--muted)}
.note-card .mini b{color:var(--ink-2)}
.note-card code{background:var(--bg-soft);padding:1px 5px;border-radius:5px;font-size:11px;color:var(--blue)}

.footer{margin-top:56px;border-top:1px solid var(--line);background:#fff}
.footer-inner{max-width:1240px;margin:0 auto;padding:20px 28px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--muted)}
.footer strong{color:var(--ink-2)}

@media(max-width:1150px){
  .listen-layout{grid-template-columns:190px minmax(0,1fr);}
  .transcript-panel{grid-column:1 / -1;max-height:360px}
  .vendor-grid,.feature-grid,.compare-grid{grid-template-columns:repeat(2,1fr)}
  .hero-inner{grid-template-columns:1fr 320px;gap:28px}
}
@media(max-width:820px){
  .topbar-inner{padding:10px 18px;gap:12px;flex-wrap:wrap}
  .nav{display:none;width:100%;order:3;flex-direction:column;align-items:stretch;margin:0}
  .nav.open{display:flex}
  .nav-link{padding:10px 12px}
  .nav-toggle{display:block}
  .hero-inner{grid-template-columns:1fr;padding:38px 18px 34px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .section,.section-highlight{padding-left:18px;padding-right:18px}
  .vendor-grid,.feature-grid,.compare-grid,.notes-grid{grid-template-columns:1fr}
  .listen-layout{grid-template-columns:1fr}
  .clip-list{flex-direction:row;overflow-x:auto;padding-bottom:4px}
  .clip-tab{min-width:170px}
  .transcript-panel{grid-column:auto;max-height:400px}
  .player-controls{gap:7px}
  .volume{display:none}
  .search-box{min-width:0;max-width:none;flex:1 1 100%}
  .plan-count{margin-left:0}
}