/* ============================================================
   宠物社区平台 · 官网设计系统
   风格方向：Editorial Momentum（编辑式、温暖、表达力）
   ============================================================ */

/* ---- 字体加载 ---- */
@font-face{font-family:'Outfit';src:url('fonts/Outfit-Regular.ttf') format('truetype');font-weight:400;font-display:swap}
@font-face{font-family:'Outfit';src:url('fonts/Outfit-Bold.ttf') format('truetype');font-weight:700;font-display:swap}
@font-face{font-family:'Outfit-fallback';src:local('Arial');font-weight:400;size-adjust:108%;ascent-override:95%;descent-override:22%;line-gap-override:8%}
@font-face{font-family:'Instrument Sans';src:url('fonts/InstrumentSans-Regular.ttf') format('truetype');font-weight:400;font-display:swap}
@font-face{font-family:'Instrument Sans';src:url('fonts/InstrumentSans-Bold.ttf') format('truetype');font-weight:700;font-display:swap}
@font-face{font-family:'JetBrainsMono';src:url('fonts/JetBrainsMono-Regular.ttf') format('truetype');font-weight:400;font-display:swap}

/* ---- 设计令牌 ---- */
:root{
  --bg:#000000;              /* 纯黑 */
  --bg2:rgba(191,250,7,.06);
  --bg-tint:rgba(191,250,7,.10);
  --ink:#bffa07;
  --muted:rgba(191,250,7,.62);
  --rule:rgba(191,250,7,.22);
  --accent:#bffa07;
  --accent-d:rgba(191,250,7,.80);
  --accent2:#bffa07;
  --accent2-d:#6aa500;
  --grad:linear-gradient(135deg,#bffa07 0%,#6aa500 100%);
  --grad2:linear-gradient(135deg,#bffa07 0%,#6aa500 100%);
  --shadow:0 10px 34px rgba(191,250,7,.16);
  --rad:18px;
  --maxw:1160px;
  /* 类型系统 */
  --f-display:'Outfit','Outfit-fallback','PingFang SC','Microsoft YaHei',sans-serif;
  --f-body:'Instrument Sans','PingFang SC','Microsoft YaHei',sans-serif;
  --f-mono:'JetBrainsMono',ui-monospace,monospace;
  --fs-xs:.75rem; --fs-sm:.875rem; --fs-base:1.06rem; --fs-lead:1.3rem;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:var(--fs-base);line-height:1.7;font-kerning:normal;-webkit-font-smoothing:antialiased}
::selection{background:var(--accent);color:#000}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--f-display);color:var(--ink);line-height:1.08;letter-spacing:-.01em}
.container{max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,4vw,40px)}
.section{padding:clamp(3.5rem,8vw,6.5rem) 0}
.eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--f-mono);font-size:var(--fs-xs);letter-spacing:.14em;text-transform:uppercase;color:var(--accent-d);font-weight:400;margin-bottom:1.1rem}
.eyebrow::before{content:"";width:26px;height:3px;background:var(--grad);border-radius:2px}
.s-title{font-size:clamp(1.9rem,4vw,3rem);font-weight:700;max-width:18ch}
.s-lead{font-size:var(--fs-lead);color:var(--muted);max-width:44em;margin-top:.9rem}
.s-title em,.s-lead mark{background:none;color:var(--accent);font-style:normal;font-weight:700}

/* ---- 导航 ---- */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);background:rgba(5,6,3,.74);border-bottom:1px solid var(--rule)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem clamp(20px,4vw,40px);max-width:var(--maxw);margin:0 auto}
.lockup{display:flex;align-items:center;gap:.6rem;font-family:var(--f-display);font-weight:700;font-size:1.2rem}
.lockup img{height:34px;width:auto;display:block;filter:drop-shadow(0 0 5px rgba(191,250,7,.85)) drop-shadow(0 0 15px rgba(191,250,7,.42))}
.lockup .brand{border-radius:8px}
.lockup .wordmark{margin-left:.3rem}
.nav-links{display:flex;gap:1.7rem;align-items:center}
.nav-links a{font-size:var(--fs-sm);color:var(--muted);font-weight:600;position:relative;padding:.3rem 0}
.nav-links a:hover{color:var(--ink)}
.nav-cta{position:relative;overflow:hidden;background:linear-gradient(135deg,rgba(191,250,7,.26),rgba(191,250,7,.05));backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(191,250,7,.55);color:#bffa07;padding:.62rem 1.3rem;border-radius:999px;font-weight:700;font-size:var(--fs-sm);transition:transform .15s,box-shadow .2s;box-shadow:0 6px 18px rgba(191,250,7,.22)}
.nav-cta::after{content:"";position:absolute;top:0;left:-130%;width:55%;height:100%;pointer-events:none;background:linear-gradient(105deg,transparent,rgba(191,250,7,.55),transparent);transform:skewX(-18deg);animation:sheen 3.4s ease-in-out infinite}
.nav-cta:hover{transform:translateY(-2px)}
.nav-burger{display:none;background:none;border:0;cursor:pointer;padding:.35rem}
.nav-burger span{display:block;width:24px;height:2.4px;background:var(--ink);margin:5px 0;border-radius:2px}
@media(max-width:820px){.nav-links{display:none}.nav-burger{display:block}}

/* ---- 按钮（单一主动作：下载 App）---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--f-body);font-weight:700;font-size:var(--fs-base);padding:.9rem 1.8rem;border-radius:999px;cursor:pointer;border:0;transition:transform .15s,box-shadow .2s;line-height:1;min-height:48px}
.btn-primary{position:relative;overflow:hidden;background:linear-gradient(135deg,rgba(191,250,7,.30),rgba(191,250,7,.07));backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(191,250,7,.6);color:#bffa07;box-shadow:0 8px 26px rgba(191,250,7,.26),inset 0 1px 0 rgba(191,250,7,.5)}
.btn-primary::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(120% 140% at 18% -30%,rgba(191,250,7,.55),transparent 60%)}
.btn-primary::after{content:"";position:absolute;top:0;left:-130%;width:55%;height:100%;pointer-events:none;background:linear-gradient(105deg,transparent,rgba(191,250,7,.6),transparent);transform:skewX(-18deg);animation:sheen 3.4s ease-in-out infinite}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(191,250,7,.42),inset 0 1px 0 rgba(191,250,7,.5)}
@keyframes sheen{0%{left:-130%}55%{left:130%}100%{left:130%}}
.btn-ghost{background:transparent;color:var(--ink);border:1.6px solid var(--ink)}
.btn-ghost:hover{background:var(--accent);color:#000}
.btn:disabled{opacity:.5;cursor:not-allowed;filter:none;box-shadow:none;pointer-events:auto}
.btn:disabled::after,.btn:disabled::before{animation:none;display:none}
.btn-dark{position:relative;overflow:hidden;background:linear-gradient(135deg,rgba(191,250,7,.34),rgba(191,250,7,.12));backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(191,250,7,.6);color:#bffa07}
.btn-dark:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(191,250,7,.34)}
.btn .store{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.06em;opacity:.85;display:block}
a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}

/* ---- Hero ---- */
.hero{position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(52% 60% at 82% 10%,rgba(191,250,7,.12),transparent 60%),radial-gradient(46% 54% at 8% 88%,rgba(191,250,7,.10),transparent 60%)}
.hero-in{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,4vw,3.5rem);align-items:center;padding:clamp(3rem,7vw,5.5rem) 0}
.hero h1{font-size:clamp(2.5rem,6vw,4.4rem);font-weight:700;max-width:13ch}
.hero .who{font-family:var(--f-mono);font-size:var(--fs-sm);color:var(--accent-d);letter-spacing:.05em;margin-bottom:1.2rem}
.hero p.tagline{font-size:var(--fs-lead);color:var(--muted);max-width:30em;margin:1.3rem 0 1.8rem}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap;align-items:center}
.hero-visual{position:relative}
.hero-visual img{width:100%;border-radius:var(--rad);box-shadow:0 24px 60px rgba(191,250,7,.16)}
.hero-note{font-size:var(--fs-sm);color:var(--muted);margin-top:1.1rem;max-width:34em}
.hero-note b{color:var(--accent-d)}
@media(max-width:900px){.hero-in{grid-template-columns:1fr}.hero-visual{order:-1}.hero-visual img{max-width:560px;margin:0 auto}}

/* ---- 数据带 ---- */
.band{background:rgba(191,250,7,.05);color:#bffa07;border-radius:var(--rad);padding:clamp(1.8rem,4vw,2.6rem) clamp(1.4rem,3vw,2.4rem);display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem;margin-top:1rem}
.band .item .n{font-family:var(--f-display);font-size:clamp(2rem,4vw,3rem);font-weight:700;background:var(--grad2);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.band .item .ll{font-size:var(--fs-sm);color:rgba(191,250,7,.66);margin-top:.2rem}
@media(max-width:820px){.band{grid-template-columns:repeat(2,1fr)}}

/* ---- 支柱（编辑式编号）---- */
.pillars{display:grid;grid-template-columns:repeat(2,1fr);gap:1.4rem;margin-top:2.6rem}
.pillar{background:var(--bg2);border:1px solid var(--rule);border-radius:var(--rad);padding:1.8rem 1.7rem;position:relative;transition:transform .2s,box-shadow .25s}
.pillar:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.pillar .no{font-family:var(--f-display);font-size:2.4rem;font-weight:700;color:transparent;-webkit-text-stroke:1.6px var(--accent);line-height:1;margin-bottom:1rem}
.pillar h3{font-size:1.35rem;margin-bottom:.5rem}
.pillar p{color:var(--muted);font-size:var(--fs-base)}
.pillar .tagchips{display:flex;gap:.45rem;margin-top:1.1rem;flex-wrap:wrap}
.pillar .tagchips span{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.04em;color:var(--accent-d);border:1px solid rgba(191,250,7,.35);border-radius:999px;padding:.18rem .6rem}
@media(max-width:820px){.pillars{grid-template-columns:1fr}}

/* ---- 专题（数字宠物）---- */
.topic{display:grid;grid-template-columns:.95fr 1.05fr;gap:clamp(2rem,4vw,3.5rem);align-items:center}
.topic .t-visual img{border-radius:var(--rad);width:100%}
.topic ul{list-style:none;margin-top:1.6rem}
.topic li{display:flex;gap:1rem;padding:1rem 0;border-top:1px solid var(--rule);align-items:flex-start}
.topic li b{display:block;font-family:var(--f-display);font-size:1.15rem;margin-bottom:.2rem}
.topic li span{color:var(--muted)}
.topic li .k{flex:none;width:38px;height:38px;border-radius:11px;background:var(--bg-tint);display:grid;place-items:center;font-family:var(--f-display);font-weight:700;color:var(--accent-d)}
@media(max-width:900px){.topic{grid-template-columns:1fr}.topic .t-visual{order:-1}}

/* ---- 场景（四象限，编辑交叉）---- */
.scenes{display:grid;grid-template-columns:repeat(2,1fr);gap:1.4rem;margin-top:2.4rem}
.scene{background:var(--bg2);border:1px solid var(--rule);border-radius:var(--rad);padding:2rem 1.9rem;position:relative;overflow:hidden}
.scene::before{content:"";position:absolute;top:-34px;right:-34px;width:110px;height:110px;border-radius:50%;background:var(--bg-tint)}
.scene .emo{position:relative;font-size:1.9rem;width:56px;height:56px;border-radius:14px;background:var(--grad);display:grid;place-items:center;color:#bffa07;margin-bottom:1.1rem}
.scene h3{font-size:1.3rem;margin-bottom:.4rem}
.scene p{color:var(--muted)}
@media(max-width:820px){.scenes{grid-template-columns:1fr}}

/* ---- 引语 ---- */
.quote{text-align:center;max-width:760px;margin:0 auto}
.quote blockquote{font-family:var(--f-display);font-size:clamp(1.5rem,3vw,2.2rem);font-weight:400;line-height:1.3;color:var(--ink)}
.quote blockquote b{font-weight:700;color:var(--accent-d)}
.quote .who{font-family:var(--f-mono);font-size:var(--fs-sm);color:var(--muted);margin-top:1.2rem}

/* ---- 社区区 ---- */
.social{display:grid;grid-template-columns:.95fr 1.05fr;gap:clamp(2rem,4vw,3.5rem);align-items:center;background:var(--bg2);border:1px solid var(--rule);border-radius:calc(var(--rad)+6px);padding:clamp(1.6rem,3vw,2.6rem)}
.social img{border-radius:var(--rad);width:100%}
.social .points{list-style:none;margin-top:1.4rem}
.social .points li{display:flex;gap:.8rem;align-items:baseline;padding:.5rem 0;color:var(--muted)}
.social .points li::before{content:"✓";color:var(--accent);font-weight:700;flex:none}
@media(max-width:900px){.social{grid-template-columns:1fr}.social img{order:-1}}

/* ---- 下载 CTA ---- */
.dwn{background:rgba(191,250,7,.05);color:#bffa07;border-radius:calc(var(--rad)+6px);text-align:center;padding:clamp(2.6rem,6vw,4rem) clamp(1.4rem,3vw,2.6rem);position:relative;overflow:hidden}
.dwn::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 80% at 50% -20%,rgba(191,250,7,.5),transparent 60%)}
.dwn h2{color:#bffa07;font-size:clamp(1.9rem,4vw,3rem);max-width:20ch;margin:0 auto}
.dwn p{color:rgba(191,250,7,.66);max-width:34em;margin:.9rem auto 1.8rem;font-size:var(--fs-lead)}
.dwn .bttns{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;position:relative}

/* ---- Footer ---- */
.footer{border-top:1px solid var(--rule);padding:3rem 0 2.4rem;margin-top:2rem}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:2rem}
.footer h4{font-size:var(--fs-sm);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:.9rem}
.footer ul{list-style:none}
.footer li a{font-size:var(--fs-base);color:var(--ink);display:inline-block;padding:.25rem 0}
.footer li a:hover{color:var(--accent)}
.footer .about{color:var(--muted);max-width:30em}
.footer .legal{border-top:1px solid var(--rule);margin-top:2rem;padding-top:1.3rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:var(--fs-xs);color:var(--muted)}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}

/* ---- 投资人页 ---- */
.inv-hero{position:relative;background:rgba(191,250,7,.05);color:#bffa07;border-radius:0 0 calc(var(--rad)+12px) calc(var(--rad)+12px);overflow:hidden}
.inv-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 90% at 85% 0%,rgba(191,250,7,.4),transparent 55%),radial-gradient(46% 70% at 8% 100%,rgba(191,250,7,.28),transparent 55%)}
.inv-hero .container{position:relative;padding:clamp(4rem,9vw,7rem) clamp(20px,4vw,40px)}
.inv-hero .eyebrow{color:#bffa07}
.inv-hero .eyebrow::before{background:var(--grad2)}
.inv-hero h1{color:#bffa07;font-size:clamp(2.3rem,6vw,4rem);max-width:16ch}
.inv-hero p{color:rgba(191,250,7,.66);max-width:40em;font-size:var(--fs-lead);margin-top:1.1rem}
.inv-hero .kv{display:flex;gap:clamp(1.6rem,4vw,3rem);flex-wrap:wrap;justify-content:center;align-items:center;margin-top:2.2rem;padding:clamp(1.6rem,3.5vw,2.6rem) clamp(1.4rem,4vw,3rem);border:1px solid rgba(191,250,7,.35);border-radius:22px;background:linear-gradient(135deg,rgba(191,250,7,.12),rgba(191,250,7,.03));box-shadow:0 0 0 1px rgba(191,250,7,.06) inset,0 0 42px rgba(191,250,7,.28),0 0 110px rgba(191,250,7,.20);position:relative}
.inv-hero .kv .n{font-family:var(--f-display);font-size:clamp(1.8rem,3.4vw,2.6rem);font-weight:700;color:#bffa07}
.inv-hero .kv .l{font-size:var(--fs-sm);color:rgba(191,250,7,.60);margin-top:.2rem}
.panel{background:var(--bg2);border:1px solid var(--rule);border-radius:var(--rad);padding:clamp(1.4rem,3vw,2.2rem)}
.panel h3{font-size:1.4rem;margin-bottom:.6rem}
.panel p{color:var(--muted)}
.inv-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.4rem;margin-top:2.2rem}
.moat{display:grid;grid-template-columns:repeat(2,1fr);gap:1.4rem;margin-top:2.2rem}
.moat .m{background:var(--bg2);border:1px solid var(--rule);border-radius:var(--rad);padding:1.7rem}
.moat .m .k1{font-family:var(--f-display);font-size:1.25rem;font-weight:700;display:flex;align-items:center;gap:.6rem;margin-bottom:.5rem}
.moat .m .k1 .ic{width:40px;height:40px;border-radius:11px;background:var(--bg-tint);display:grid;place-items:center;color:var(--accent-d);font-size:1.1rem}
.moat .m p{color:var(--muted)}
@media(max-width:820px){.inv-grid,.moat{grid-template-columns:1fr}}

/* ---- 投资人：环形图 ---- */
.ring{display:flex;gap:1.6rem;align-items:center;flex-wrap:wrap}
.ring-chart{flex:none;width:min(320px,80vw);aspect-ratio:1;border-radius:50%;background:conic-gradient(#bffa07 0 26%,#c9fa3a 26% 44%,#9cdc12 44% 59%,#78b400 59% 70%,#559000 70% 82%,#356300 82% 92%,#183a00 92% 100%)}
.ring-legend{flex:1;min-width:240px;list-style:none}
.ring-legend li{display:flex;align-items:center;gap:.7rem;padding:.42rem 0;font-size:var(--fs-base);color:var(--ink)}
.ring-legend .dot{width:14px;height:14px;border-radius:4px;flex:none}
.ring-legend .pct{margin-left:auto;font-family:var(--f-display);font-weight:700}
@media(min-width:641px){.ring-chart{width:300px}}

/* ---- 生态图（SVG 静态）---- */
.eco{display:flex;flex-wrap:wrap;justify-content:center;gap:1rem;margin-top:1.6rem}
.eco .node{background:var(--bg2);border:1px solid var(--rule);border-radius:14px;padding:.9rem 1.4rem;font-family:var(--f-display);font-weight:700;position:relative}
.eco .node.center{background:#bffa07;color:#000;border:0;box-shadow:var(--shadow)}
.flow{display:block;margin:0 auto;max-width:640px}
@media(max-width:820px){.ring-legend{min-width:200px}.flow{max-width:100%}.ring{justify-content:center}}
@media(max-width:480px){.dwn .bttns{flex-direction:column;width:100%}.dwn .bttns .btn{width:100%;justify-content:center}.inv-hero .kv{gap:1.3rem 2rem}}

/* ---- 通用工具 ---- */
.stack{display:grid;gap:1rem;margin-top:1.6rem}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,4vw,3.5rem);align-items:center}
@media(max-width:900px){.split{grid-template-columns:1fr}}
.mt0{margin-top:0}
.ctr{text-align:center}

/* ---- 入场动画（fail-open：默认可见，无脚本也可读）---- */
[data-reveal]{opacity:1;transform:none}
@media(prefers-reduced-motion:no-preference){
  .rs { animation:rise .7s cubic-bezier(.2,.7,.2,1) both }
  @keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
}
@media(prefers-reduced-motion:reduce){.btn-primary::after,.btn-dark::after,.nav-cta::after{animation:none}}
@media print{.nav{position:static}.section{border-top:1px solid var(--rule)}.rs{animation:none}}

/* ---- 商户入驻弹窗 ---- */
[data-apply]{cursor:pointer}
.modal{position:fixed;inset:0;z-index:100;display:none;align-items:flex-start;justify-content:center;padding:6vh 20px;background:rgba(0,0,0,.78);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.modal.open{display:flex}
.modal-card{width:min(460px,100%);background:#0a0b06;border:1px solid rgba(191,250,7,.35);border-radius:18px;box-shadow:0 18px 60px rgba(191,250,7,.18);padding:clamp(1.5rem,3vw,2.2rem);position:relative;max-height:calc(100vh - 12vh);overflow:auto}
.modal-card h3{font-family:var(--f-display);font-size:1.5rem;color:#bffa07;margin:0 0 .2rem}
.modal-sub{color:var(--muted);font-size:var(--fs-sm);margin:0 0 1.1rem}
.modal-close{position:absolute;top:14px;right:16px;background:none;border:0;color:#bffa07;font-size:1.7rem;cursor:pointer;line-height:1}
.field{margin-top:1rem}
.field label{display:block;font-size:var(--fs-sm);color:rgba(191,250,7,.8);margin-bottom:.35rem}
.field input,.field select{width:100%;background:#000;border:1px solid rgba(191,250,7,.35);border-radius:10px;color:#eef2e2;padding:.7rem .9rem;font-size:var(--fs-sm);font-family:inherit}
.field input:focus,.field select:focus{outline:none;border-color:#bffa07;box-shadow:0 0 0 3px rgba(191,250,7,.15)}
.field select option{background:#000;color:#eef2e2}
.modal-actions{display:flex;gap:1rem;margin-top:1.5rem}
.modal-actions .btn{flex:1}
.modal-msg{margin-top:1rem;font-size:var(--fs-sm);min-height:1.2em}
.modal-msg.ok{color:#bffa07}
.modal-msg.err{color:#ff8a6a}
@media(max-width:480px){.modal-actions{flex-direction:column}}