/* ============================================================
   灵犀 LINXI — 金融内容智能体 · Design System
   原创设计语言：严谨(graphite grid) · 专业(jade) · 科技(mint-cyan glow)
   · 时代感(modern type) · 生机活力(spring-green motion)
   完全不沿用 sphere.hk 的配色/美工。
   ============================================================ */

/* ---------- Tokens ---------- */
:root{
  /* ink / dark surfaces */
  --ink-900:#080D0B; --ink-850:#0B120F; --ink-800:#0E1714; --ink-700:#15211C; --ink-600:#1D2C26;
  /* paper / light surfaces */
  --paper:#FBFCFB; --paper-2:#F2F6F3; --paper-3:#E9EFEB;
  /* lines */
  --line:#E3E9E5; --line-2:#CDD7D1; --line-dark:#1F2B26; --line-dark-2:#283A33;
  /* text */
  --text:#0D1813; --text-2:#46544C; --text-3:#7B8A82; --inv:#EAF3EE; --inv-2:#9DB4AA;
  /* brand */
  --jade:#0EA976; --jade-700:#0A8A60; --jade-300:#5FD3A6; --jade-50:#E6F7EF;
  --spring:#A9E65B; --lime:#CBF24B;
  --cyan:#2BE3C6; --teal:#0C8C8C;
  --amber:#E8A33C; --red:#E5544C; --violet:#7C7CF0;
  /* gradients */
  --grad-vital:linear-gradient(118deg,var(--jade) 0%,var(--cyan) 52%,var(--spring) 100%);
  --grad-vital-soft:linear-gradient(118deg,rgba(14,169,118,.16),rgba(43,227,198,.14) 52%,rgba(169,230,91,.16));
  --grad-ink:linear-gradient(165deg,#101A16 0%,#0A100D 100%);
  --grad-text:linear-gradient(100deg,#0D1813 0%,#0A8A60 60%,#0C8C8C 100%);
  /* shape */
  --r-xs:8px; --r-sm:12px; --r:16px; --r-lg:22px; --r-xl:30px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(8,20,15,.05),0 2px 6px rgba(8,20,15,.04);
  --sh-2:0 6px 22px rgba(8,28,20,.08),0 2px 6px rgba(8,28,20,.05);
  --sh-3:0 24px 60px rgba(6,30,21,.16),0 8px 24px rgba(6,30,21,.10);
  --sh-glow:0 0 0 1px rgba(14,169,118,.25),0 14px 40px rgba(14,169,118,.22);
  /* type */
  --f-display:"Space Grotesk","Inter","PingFang SC","PingFang TC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --f-body:"Inter","PingFang SC","PingFang TC","Microsoft YaHei","Noto Sans SC","Noto Sans CJK SC",system-ui,sans-serif;
  --f-mono:"IBM Plex Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --maxw:1200px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--f-body);color:var(--text);background:var(--paper);
  line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul{list-style:none}
::selection{background:rgba(14,169,118,.22)}
:focus-visible{outline:2px solid var(--jade);outline-offset:3px;border-radius:4px}

/* ---------- Layout ---------- */
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px}
.section{padding:108px 0;position:relative}
.section.tight{padding:76px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-family:var(--f-mono);
  font-size:12.5px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--jade-700);
}
.eyebrow .idx{color:var(--text-3)}
.eyebrow::before{content:"";width:26px;height:1.5px;background:var(--grad-vital);border-radius:2px}
.h-sec{font-family:var(--f-display);font-weight:600;font-size:clamp(28px,3.6vw,46px);line-height:1.1;letter-spacing:-.02em;margin:18px 0 14px}
.sub-sec{font-size:clamp(16px,1.6vw,18.5px);color:var(--text-2);max-width:620px}
.grad-ink{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- Blueprint / mesh backgrounds ---------- */
.bp{position:relative}
.bp::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:48px 48px;-webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 30%,#000 30%,transparent 78%);
          mask-image:radial-gradient(ellipse 80% 70% at 50% 30%,#000 30%,transparent 78%);opacity:.5;
}
.bp>*{position:relative;z-index:1}
.dark{background:var(--grad-ink);color:var(--inv)}
.dark .h-sec{color:var(--inv)}
.dark .sub-sec{color:var(--inv-2)}
.dark .eyebrow{color:var(--jade-300)}
.dark.bp::before{background-image:linear-gradient(var(--line-dark) 1px,transparent 1px),linear-gradient(90deg,var(--line-dark) 1px,transparent 1px)}
.mesh{position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.mesh i{position:absolute;border-radius:50%;filter:blur(60px);opacity:.5;animation:float 16s ease-in-out infinite}
.mesh .m1{width:520px;height:520px;background:radial-gradient(circle,rgba(14,169,118,.55),transparent 65%);top:-160px;left:-120px}
.mesh .m2{width:460px;height:460px;background:radial-gradient(circle,rgba(43,227,198,.40),transparent 65%);top:40px;right:-140px;animation-delay:-5s}
.mesh .m3{width:380px;height:380px;background:radial-gradient(circle,rgba(169,230,91,.34),transparent 65%);bottom:-150px;left:40%;animation-delay:-9s}
@keyframes float{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(30px,-26px) scale(1.06)}66%{transform:translate(-22px,18px) scale(.96)}}

/* ---------- Nav ---------- */
.nav{position:sticky;top:0;z-index:60;backdrop-filter:saturate(140%) blur(14px);background:rgba(251,252,251,.72);border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
.nav.scrolled{border-color:var(--line);background:rgba(251,252,251,.86)}
.nav .row{display:flex;align-items:center;gap:26px;height:68px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--f-display);font-weight:600;font-size:19px;letter-spacing:-.01em}
.brand .mark{width:30px;height:30px;border-radius:9px;background:var(--grad-vital);position:relative;box-shadow:var(--sh-glow);flex:none}
.brand .mark::after{content:"";position:absolute;inset:7px;border-radius:5px;border:1.5px solid rgba(255,255,255,.85)}
.brand .en{font-family:var(--f-mono);font-size:11px;letter-spacing:.22em;color:var(--text-3);font-weight:500}
.nav .links{display:flex;gap:4px;margin-left:8px}
.nav .links a{padding:9px 13px;border-radius:10px;font-size:14.5px;color:var(--text-2);font-weight:500;transition:.2s}
.nav .links a:hover{color:var(--text);background:var(--paper-3)}
.nav .spacer{flex:1}
.langs{display:flex;gap:2px;padding:3px;border:1px solid var(--line);border-radius:var(--r-pill);background:var(--paper)}
.langs button{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.05em;padding:5px 9px;border-radius:var(--r-pill);color:var(--text-3);font-weight:500;transition:.2s}
.langs button.on{background:var(--text);color:var(--paper)}
.navtoggle{display:none}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:600;font-size:15px;
  padding:12px 22px;border-radius:var(--r-pill);transition:transform .18s,box-shadow .2s,background .2s,color .2s;white-space:nowrap}
.btn .arr{transition:transform .2s}
.btn:hover .arr{transform:translateX(3px)}
.btn-primary{background:var(--text);color:var(--paper);box-shadow:var(--sh-2)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-3)}
.btn-vital{background:var(--grad-vital);color:#04231A;box-shadow:0 8px 26px rgba(14,169,118,.30);position:relative}
.btn-vital:hover{transform:translateY(-2px);box-shadow:0 14px 38px rgba(14,169,118,.42)}
.btn-ghost{border:1px solid var(--line-2);color:var(--text);background:var(--paper)}
.btn-ghost:hover{border-color:var(--text);transform:translateY(-2px)}
.dark .btn-ghost{border-color:var(--line-dark-2);color:var(--inv);background:transparent}
.dark .btn-ghost:hover{border-color:var(--jade-300)}
.btn-sm{padding:9px 16px;font-size:13.5px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:72px 0 84px;overflow:hidden}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.badge-live{display:inline-flex;align-items:center;gap:9px;font-family:var(--f-mono);font-size:12px;letter-spacing:.04em;
  color:var(--text-2);background:var(--paper);border:1px solid var(--line);padding:7px 14px;border-radius:var(--r-pill);box-shadow:var(--sh-1)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--jade);position:relative;flex:none}
.dot::after{content:"";position:absolute;inset:-5px;border-radius:50%;border:2px solid var(--jade);opacity:.6;animation:pulse 2s ease-out infinite}
@keyframes pulse{0%{transform:scale(.7);opacity:.7}100%{transform:scale(1.9);opacity:0}}
.hero h1{font-family:var(--f-display);font-weight:600;font-size:clamp(36px,5.6vw,66px);line-height:1.04;letter-spacing:-.03em;margin:22px 0 0}
.hero h1 .accent{position:relative;white-space:nowrap}
.hero h1 .accent .grad-ink{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero h1 .accent::after{content:"";position:absolute;left:0;right:0;bottom:.04em;height:.16em;background:var(--grad-vital);opacity:.30;border-radius:3px;z-index:-1}
.hero .lead{font-size:clamp(16.5px,1.8vw,20px);color:var(--text-2);max-width:560px;margin:24px 0 0}
.hero .cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.hero .trust{display:flex;gap:26px;margin-top:38px;flex-wrap:wrap}
.trust .t{display:flex;flex-direction:column;gap:2px}
.trust .t b{font-family:var(--f-display);font-size:24px;font-weight:600;letter-spacing:-.01em}
.trust .t span{font-size:12.5px;color:var(--text-3);font-family:var(--f-mono);letter-spacing:.03em}
.trust .sep{width:1px;background:var(--line)}

/* hero visual : console card */
.console{background:var(--grad-ink);border-radius:var(--r-lg);box-shadow:var(--sh-3);color:var(--inv);
  border:1px solid var(--line-dark-2);overflow:hidden;position:relative}
.console::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line-dark) 1px,transparent 1px),linear-gradient(90deg,var(--line-dark) 1px,transparent 1px);background-size:34px 34px;opacity:.4;-webkit-mask-image:radial-gradient(120% 100% at 80% 0,#000,transparent 75%);mask-image:radial-gradient(120% 100% at 80% 0,#000,transparent 75%)}
.console>*{position:relative}
.console .bar{display:flex;align-items:center;gap:8px;padding:13px 16px;border-bottom:1px solid var(--line-dark)}
.console .bar i{width:11px;height:11px;border-radius:50%;background:#2c3a34}
.console .bar i:nth-child(1){background:#2a4a3c}
.console .bar .ttl{margin-left:8px;font-family:var(--f-mono);font-size:12px;color:var(--inv-2);letter-spacing:.05em}
.console .bar .tag{margin-left:auto;font-family:var(--f-mono);font-size:10.5px;color:var(--jade-300);border:1px solid var(--line-dark-2);padding:3px 9px;border-radius:var(--r-pill)}
.console .body{padding:18px}
.radar-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:16px;align-items:center}
.tlist{display:flex;flex-direction:column;gap:9px}
.titem{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:12px;background:rgba(255,255,255,.03);border:1px solid var(--line-dark);transition:.2s}
.titem:hover{background:rgba(43,227,198,.07);border-color:rgba(43,227,198,.3);transform:translateX(3px)}
.titem .rk{font-family:var(--f-mono);font-size:11px;color:var(--text-3);width:18px}
.titem .nm{font-size:13px;font-weight:500;flex:1;color:var(--inv)}
.titem .sc{font-family:var(--f-mono);font-size:12px;font-weight:600;color:var(--spring)}
.titem .bar2{height:4px;border-radius:3px;background:var(--grad-vital);flex:none}

/* ---------- Ticker ---------- */
.ticker{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper);overflow:hidden;padding:13px 0}
.ticker .track{display:flex;gap:42px;white-space:nowrap;width:max-content;animation:marq 38s linear infinite;font-family:var(--f-mono);font-size:13px;color:var(--text-2)}
.ticker:hover .track{animation-play-state:paused}
.ticker .ti{display:inline-flex;align-items:center;gap:10px}
.ticker .ti .up{color:var(--jade)}.ticker .ti .dn{color:var(--red)}
.ticker .ti b{color:var(--text);font-weight:600}
.ticker .ti .src{color:var(--text-3)}
@keyframes marq{to{transform:translateX(-50%)}}

/* ---------- Pipeline / stepper ---------- */
.pipe{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:46px}
.pstep{position:relative;padding:22px 18px;border-radius:var(--r);border:1px solid var(--line);background:var(--paper);box-shadow:var(--sh-1);transition:.25s;cursor:pointer;overflow:hidden}
.pstep::after{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:var(--grad-vital);transition:width .3s}
.pstep:hover,.pstep.on{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--line-2)}
.pstep:hover::after,.pstep.on::after{width:100%}
.pstep .no{font-family:var(--f-mono);font-size:12px;color:var(--jade-700);letter-spacing:.08em}
.pstep .ic{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--jade-50);margin:12px 0;color:var(--jade-700)}
.pstep h4{font-family:var(--f-display);font-size:17px;font-weight:600;letter-spacing:-.01em}
.pstep p{font-size:13px;color:var(--text-2);margin-top:5px}
.pstep .conn{position:absolute;right:-8px;top:50%;width:16px;height:16px;color:var(--line-2);z-index:2}
.pstep:last-child .conn{display:none}

/* ---------- Module showcase ---------- */
.mod{display:grid;grid-template-columns:1fr 1.12fr;gap:56px;align-items:center}
.mod.flip{grid-template-columns:1.12fr 1fr}
.mod.flip .mtxt{order:2}
.mlist{margin-top:24px;display:flex;flex-direction:column;gap:13px}
.mlist li{display:flex;gap:13px;align-items:flex-start;font-size:15px;color:var(--text-2)}
.mlist li .ck{width:22px;height:22px;border-radius:7px;background:var(--jade-50);color:var(--jade-700);display:grid;place-items:center;flex:none;margin-top:1px}
.mlist li b{color:var(--text);font-weight:600}

/* generic panel (used in module visuals & workspace) */
.panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-2);overflow:hidden}
.panel .phead{display:flex;align-items:center;gap:10px;padding:15px 18px;border-bottom:1px solid var(--line);background:var(--paper-2)}
.panel .phead .pt{font-family:var(--f-mono);font-size:12.5px;letter-spacing:.04em;color:var(--text-2);font-weight:500}
.panel .phead .pill{margin-left:auto;font-family:var(--f-mono);font-size:10.5px;color:var(--jade-700);background:var(--jade-50);padding:4px 10px;border-radius:var(--r-pill)}
.panel .pbody{padding:18px}
.chip{display:inline-flex;align-items:center;gap:6px;font-family:var(--f-mono);font-size:11.5px;padding:5px 11px;border-radius:var(--r-pill);background:var(--paper-3);color:var(--text-2);border:1px solid var(--line)}
.chip.j{background:var(--jade-50);color:var(--jade-700);border-color:transparent}

/* multi-platform output cards */
.outs{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.out{border:1px solid var(--line);border-radius:var(--r-sm);padding:14px;background:var(--paper);transition:.2s}
.out:hover{border-color:var(--jade-300);box-shadow:var(--sh-1);transform:translateY(-2px)}
.out .oh{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.out .oh .pf{width:24px;height:24px;border-radius:7px;display:grid;place-items:center;font-size:12px;font-weight:700;color:#fff}
.out .oh .nm{font-size:13px;font-weight:600}
.out .oh .meta{margin-left:auto;font-family:var(--f-mono);font-size:10.5px;color:var(--text-3)}
.out p{font-size:12.5px;color:var(--text-2);line-height:1.5}
.pf.wechat{background:#10B981}.pf.xhs{background:#FF4D6D}.pf.video{background:#0C8C8C}.pf.voice{background:#7C7CF0}.pf.douyin{background:#0D1813}

/* score / meters */
.meter{display:flex;align-items:center;gap:12px;margin-top:10px}
.meter .lab{font-size:12.5px;color:var(--text-2);width:96px;flex:none}
.meter .track2{flex:1;height:7px;border-radius:5px;background:var(--paper-3);overflow:hidden}
.meter .fill{height:100%;border-radius:5px;background:var(--grad-vital);width:0;transition:width 1.1s cubic-bezier(.2,.7,.2,1)}
.meter .val{font-family:var(--f-mono);font-size:12px;font-weight:600;color:var(--jade-700);width:40px;text-align:right}

/* compliance checklist */
.compli{display:flex;flex-direction:column;gap:9px;margin-top:6px}
.compli .c{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-2)}
.compli .c .b{width:20px;height:20px;border-radius:6px;display:grid;place-items:center;background:var(--jade-50);color:var(--jade-700);flex:none}
.compli .c b{color:var(--text);font-weight:600}
.compli .c .tag{margin-left:auto;font-family:var(--f-mono);font-size:10.5px;color:var(--text-3)}

/* avatar / digital human */
.avatar-frame{position:relative;border-radius:var(--r);overflow:hidden;background:var(--grad-ink);aspect-ratio:16/10;border:1px solid var(--line-dark-2)}
.avatar-frame .ph{position:absolute;inset:0;display:grid;place-items:center;color:var(--inv-2)}
.avatar-frame .ph .face{width:96px;height:96px;border-radius:50%;background:var(--grad-vital);opacity:.92;box-shadow:0 0 60px rgba(43,227,198,.5)}
.avatar-frame .rec{position:absolute;top:12px;left:12px;display:flex;align-items:center;gap:7px;font-family:var(--f-mono);font-size:11px;color:#fff}
.avatar-frame .rec .d{width:8px;height:8px;border-radius:50%;background:var(--red);animation:blink 1.4s infinite}
@keyframes blink{50%{opacity:.25}}
.avatar-frame .cap{position:absolute;left:12px;right:12px;bottom:12px;font-size:12.5px;background:rgba(8,13,11,.6);backdrop-filter:blur(6px);padding:8px 12px;border-radius:10px;color:var(--inv)}
.av-pick{display:flex;gap:8px;margin-top:12px}
.av-pick .a{flex:1;text-align:center;padding:10px;border-radius:12px;border:1px solid var(--line);font-size:12.5px;cursor:pointer;transition:.2s}
.av-pick .a .ring{width:34px;height:34px;border-radius:50%;margin:0 auto 7px;background:var(--paper-3)}
.av-pick .a.on{border-color:var(--jade);background:var(--jade-50)}
.av-pick .a.on .ring{background:var(--grad-vital)}

/* channels / audit timeline */
.channels{display:flex;flex-wrap:wrap;gap:9px}
.chl{display:flex;align-items:center;gap:9px;padding:9px 13px;border-radius:var(--r-pill);border:1px solid var(--line);font-size:13px;background:var(--paper);transition:.2s}
.chl.on{border-color:var(--jade);background:var(--jade-50);color:var(--jade-700);font-weight:600}
.chl .sw{width:9px;height:9px;border-radius:50%;background:var(--line-2)}
.chl.on .sw{background:var(--jade)}
.audit{margin-top:14px;border-left:2px solid var(--line);padding-left:18px;display:flex;flex-direction:column;gap:14px}
.audit .ev{position:relative}
.audit .ev::before{content:"";position:absolute;left:-25px;top:5px;width:10px;height:10px;border-radius:50%;background:var(--jade);box-shadow:0 0 0 4px var(--jade-50)}
.audit .ev .tm{font-family:var(--f-mono);font-size:11px;color:var(--text-3)}
.audit .ev .tx{font-size:13px;color:var(--text-2)}
.audit .ev .tx b{color:var(--text)}

/* ---------- Stats / outcomes ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{padding:28px 22px;border-radius:var(--r);border:1px solid var(--line-dark);background:rgba(255,255,255,.02);position:relative;overflow:hidden}
.stat .n{font-family:var(--f-display);font-size:clamp(34px,4vw,50px);font-weight:600;letter-spacing:-.02em;line-height:1;background:var(--grad-vital);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .l{margin-top:10px;font-size:14px;color:var(--inv-2)}
.stat .u{font-size:.5em;color:var(--inv-2);-webkit-text-fill-color:var(--inv-2)}

/* ---------- Feature grid (small) ---------- */
.fg{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:42px}
.fcard{padding:26px;border-radius:var(--r);border:1px solid var(--line);background:var(--paper);box-shadow:var(--sh-1);transition:.25s}
.fcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--line-2)}
.fcard .ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--ink-900);color:var(--spring);margin-bottom:16px}
.fcard h4{font-family:var(--f-display);font-size:18px;font-weight:600;letter-spacing:-.01em}
.fcard p{font-size:14px;color:var(--text-2);margin-top:7px}

/* ---------- CTA band ---------- */
.cta-band{border-radius:var(--r-xl);padding:64px 48px;text-align:center;position:relative;overflow:hidden;background:var(--grad-ink);color:var(--inv);box-shadow:var(--sh-3)}
.cta-band h2{font-family:var(--f-display);font-size:clamp(28px,4vw,44px);font-weight:600;letter-spacing:-.02em;line-height:1.1}
.cta-band p{color:var(--inv-2);margin:16px auto 0;max-width:520px}
.cta-band .cta{justify-content:center;margin-top:30px}

/* ---------- Footer ---------- */
.foot{border-top:1px solid var(--line);padding:60px 0 40px;background:var(--paper-2)}
.foot .top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.foot h5{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-3);margin-bottom:14px}
.foot a{display:block;font-size:14px;color:var(--text-2);padding:5px 0;transition:.2s}
.foot a:hover{color:var(--jade-700)}
.foot .bot{display:flex;justify-content:space-between;align-items:center;margin-top:46px;padding-top:24px;border-top:1px solid var(--line);font-size:12.5px;color:var(--text-3);font-family:var(--f-mono);flex-wrap:wrap;gap:12px}
.foot .desc{font-size:13.5px;color:var(--text-2);max-width:280px;margin-top:14px;line-height:1.6}

/* ---------- Reveal animations ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .hero-grid,.mod,.mod.flip{grid-template-columns:1fr;gap:36px}
  .mod.flip .mtxt{order:0}
  .pipe{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .fg{grid-template-columns:1fr 1fr}
  .foot .top{grid-template-columns:1fr 1fr}
  .nav .links{display:none}
  .pstep .conn{display:none}
}
@media (max-width:600px){
  .section{padding:72px 0}.wrap{padding:0 20px}
  .pipe,.stats,.fg,.outs{grid-template-columns:1fr}
  .hero .trust{gap:18px}
  .foot .top{grid-template-columns:1fr}
  .cta-band{padding:46px 24px}
}

/* ---------- 同业观察 · peer short-video gallery ---------- */
.demo-ribbon{display:inline-flex;align-items:center;gap:9px;font-family:var(--f-mono);font-size:12px;color:var(--amber);
  background:rgba(232,163,60,.10);border:1px solid rgba(232,163,60,.3);padding:7px 14px;border-radius:var(--r-pill);margin-top:14px}
.demo-ribbon .dt{width:7px;height:7px;border-radius:50%;background:var(--amber)}
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(214px,1fr));gap:18px;margin-top:30px}
.pcard{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--paper);
  box-shadow:var(--sh-1);cursor:pointer;transition:transform .22s,box-shadow .22s,border-color .22s}
.pcard:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:var(--line-2)}
.pcard .cover{position:relative;aspect-ratio:9/16;overflow:hidden;background:var(--grad-ink)}
.pcard .cover img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s}
.pcard:hover .cover img{transform:scale(1.05)}
.pcard .cover.ph{background:
  radial-gradient(120% 80% at 20% 10%,rgba(43,227,198,.35),transparent 60%),
  radial-gradient(120% 90% at 90% 100%,rgba(169,230,91,.30),transparent 55%),var(--grad-ink)}
.pcard .cover.ph::after{content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--line-dark) 1px,transparent 1px),linear-gradient(90deg,var(--line-dark) 1px,transparent 1px);
  background-size:26px 26px;opacity:.5;-webkit-mask-image:radial-gradient(80% 60% at 50% 40%,#000,transparent 75%);mask-image:radial-gradient(80% 60% at 50% 40%,#000,transparent 75%)}
.pcard .ph-title{position:absolute;left:14px;right:14px;bottom:50px;color:var(--inv);font-family:var(--f-display);font-weight:600;
  font-size:15px;line-height:1.3;z-index:2;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;text-shadow:0 1px 8px rgba(0,0,0,.4)}
.pcard .play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:52px;height:52px;border-radius:50%;
  background:rgba(255,255,255,.16);backdrop-filter:blur(6px);border:1.5px solid rgba(255,255,255,.6);display:grid;place-items:center;z-index:3;transition:.2s}
.pcard:hover .play{background:var(--grad-vital);border-color:transparent;transform:translate(-50%,-50%) scale(1.08)}
.pcard .play::after{content:"";margin-left:3px;border-style:solid;border-width:9px 0 9px 15px;border-color:transparent transparent transparent #fff}
.pcard:hover .play::after{border-left-color:#04231A}
.pcard .pf-badge{position:absolute;top:10px;left:10px;z-index:3;font-family:var(--f-mono);font-size:10.5px;font-weight:600;color:#fff;
  padding:4px 9px;border-radius:var(--r-pill);background:rgba(8,13,11,.55);backdrop-filter:blur(4px)}
.pcard .pf-badge.douyin{background:rgba(8,13,11,.82)}.pcard .pf-badge.xhs{background:rgba(255,77,109,.9)}
.pcard .pf-badge.video,.pcard .pf-badge.wechat{background:rgba(16,177,129,.92)}
.pcard .likes{position:absolute;bottom:10px;right:12px;z-index:3;font-family:var(--f-mono);font-size:11px;color:#fff;
  display:flex;align-items:center;gap:5px;text-shadow:0 1px 4px rgba(0,0,0,.5)}
.pcard .meta{padding:13px 14px 15px;display:flex;flex-direction:column;gap:8px}
.pcard .pt-title{font-size:13.5px;font-weight:600;line-height:1.4;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pcard .pauthor{font-size:12px;color:var(--text-3);display:flex;align-items:center;gap:6px}
.pcard .pcounts{display:flex;gap:13px;font-family:var(--f-mono);font-size:11px;color:var(--text-3)}
.pcard .ptags{display:flex;gap:6px;flex-wrap:wrap}
.pcard .ptag{font-family:var(--f-mono);font-size:10.5px;color:var(--jade-700);background:var(--jade-50);padding:3px 8px;border-radius:var(--r-pill)}
/* lightbox */
.lb{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;background:rgba(6,10,8,.86);backdrop-filter:blur(8px);padding:24px}
.lb.on{display:flex}
.lb-inner{position:relative;max-width:440px;width:100%;max-height:90vh}
.lb video{width:100%;max-height:80vh;border-radius:var(--r);background:#000;box-shadow:var(--sh-3)}
.lb-cap{color:var(--inv);font-size:14px;margin-top:14px;text-align:center}
.lb-cap a{color:var(--jade-300);text-decoration:underline}
.lb-close{position:absolute;top:-44px;right:0;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.14);color:#fff;font-size:20px;display:grid;place-items:center}
.lb-empty{color:var(--inv);text-align:center;max-width:360px}
.lb-empty .btn{margin-top:18px}