/* 成都爆谱科技 公共样式 */
:root{
  --bg:#070d24; --bg2:#0a1230; --panel:#0e1838; --panel2:#13204a;
  --text:#f3f6fb; --muted:#b3bdd6; --subtle:#93a1c0;
  --brand:#3050f0; --brand-bright:#7e97ff; --brand-soft:#c0d0f0; --ink:#0a1030;
  --line:rgba(148,163,184,.18); --shadow:0 24px 60px rgba(0,0,0,.32);
  --radius:22px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--text); background:
    radial-gradient(900px 520px at 85% -8%,rgba(48,80,240,.28),transparent 62%),
    radial-gradient(760px 520px at -12% 18%,rgba(126,151,255,.16),transparent 60%),
    linear-gradient(180deg,#0a1230 0%,var(--bg) 52%,#070d24 100%);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit}
.wrap{width:min(1160px,calc(100% - 48px));margin:0 auto}
header{
  position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line);
  background:rgba(7,13,36,.86);backdrop-filter:blur(16px);
}
.nav{height:72px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;white-space:nowrap}
.logo{width:42px;height:42px;border-radius:12px;background:#fff;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.28);overflow:hidden;flex:0 0 auto}
.logo img{width:34px;height:34px;object-fit:contain;display:block}
.footer-brand{display:flex;align-items:flex-start;gap:10px}
.footer-brand img{width:26px;height:26px;object-fit:contain;display:block;background:#fff;border-radius:7px;padding:3px;flex:0 0 auto;margin-top:2px}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.04em}
.brand-sub{font-size:11px;color:var(--subtle);letter-spacing:.18em;margin-top:2px}
nav{display:flex;align-items:center;gap:28px}
nav a{color:var(--muted);text-decoration:none;font-size:15px}
nav a:hover{color:var(--brand-bright)}
.nav-cta{padding:10px 18px;border:1px solid rgba(126,151,255,.55);border-radius:999px;color:var(--brand-bright)!important}
nav a.active{color:var(--brand-bright)}
.hero{padding:92px 0 74px;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 13px;border:1px solid rgba(126,151,255,.4);border-radius:999px;color:var(--brand-bright);font-size:13px;letter-spacing:.1em;background:rgba(48,80,240,.1)}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand-bright)}
h1{font-size:clamp(38px,5.4vw,64px);line-height:1.12;letter-spacing:.02em;margin-top:24px}
h1 .highlight{color:var(--brand-bright);white-space:nowrap}
.hero-desc{margin-top:24px;color:var(--muted);font-size:17px;line-height:1.9;max-width:650px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 24px;border-radius:999px;text-decoration:none;font-weight:650;font-size:15px;border:1px solid transparent}
.btn-primary{background:linear-gradient(135deg,#4a6bff,var(--brand));color:#fff;box-shadow:0 12px 30px rgba(48,80,240,.35)}
.btn-secondary{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.03)}
.btn{transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.btn:hover{transform:translateY(-2px)}
:focus-visible{outline:2px solid var(--brand-bright);outline-offset:3px;border-radius:6px}
::selection{background:rgba(48,80,240,.55);color:#fff}
.hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:38px}
.hero-point{padding:16px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.025)}
.hero-point strong{display:block;font-size:15px;margin-bottom:6px}
.hero-point span{font-size:13px;color:var(--subtle);line-height:1.6}
.hero-card{position:relative;border:1px solid var(--line);border-radius:30px;background:linear-gradient(155deg,rgba(38,55,91,.92),rgba(13,22,40,.96));padding:30px;box-shadow:var(--shadow);overflow:hidden}
.hero-card::after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:rgba(48,80,240,.22);filter:blur(10px);right:-100px;top:-100px}
.hero-card-head{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
.hero-card-head strong{font-size:17px}.hero-card-head span{font-size:12px;color:var(--brand-bright);border:1px solid rgba(126,151,255,.45);padding:5px 10px;border-radius:999px}
.capability{position:relative;z-index:1;padding:20px;margin-top:14px;border-radius:18px;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.07)}
.capability b{font-size:16px}.capability p{color:var(--muted);font-size:13px;line-height:1.75;margin-top:7px}
.section{padding:72px 0}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:30px}
.section-kicker{color:var(--brand-bright);font-size:13px;font-weight:700;letter-spacing:.22em;text-transform:uppercase}
h2{font-size:clamp(28px,3.6vw,40px);line-height:1.25;margin-top:10px}
.section-desc{color:var(--muted);line-height:1.85;max-width:560px;font-size:15px}
.business-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.business-card{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);padding:30px;background:linear-gradient(180deg,var(--panel2),var(--panel));min-height:390px;display:flex;flex-direction:column}
.business-card::before{content:"";position:absolute;inset:0 0 auto;height:3px;background:linear-gradient(90deg,var(--brand),transparent)}
.business-card:nth-child(2)::before{background:linear-gradient(90deg,var(--brand-bright),transparent)}
.business-card:nth-child(3)::before{background:linear-gradient(90deg,var(--brand-soft),transparent)}
.icon{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:rgba(48,80,240,.14);margin-bottom:22px}
.icon svg{width:27px;height:27px;fill:none;stroke:var(--brand-bright);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.business-card:nth-child(2) .icon{background:rgba(126,151,255,.13)}
.business-card:nth-child(3) .icon{background:rgba(192,208,240,.12)}
.business-card h3{font-size:22px;line-height:1.4}
.business-card .lead{margin-top:12px;color:var(--muted);font-size:14px;line-height:1.85}
.business-card ul{list-style:none;margin-top:20px;display:grid;gap:11px;color:#d6deeb;font-size:14px}
.business-card li{display:flex;gap:9px;line-height:1.6}.business-card li::before{content:"✓";color:var(--brand-bright);font-weight:800}
.audience{margin-top:auto;padding-top:22px;color:var(--subtle);font-size:13px;line-height:1.7;border-top:1px solid var(--line)}
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.step{padding:22px 18px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.025)}
.step-num{color:var(--brand-bright);font-size:13px;font-weight:800;letter-spacing:.12em}
.step h3{font-size:17px;margin:12px 0 9px}.step p{color:var(--muted);font-size:13px;line-height:1.75}
.works-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.wip-strip{margin-top:18px;padding:16px 20px;border:1px dashed rgba(126,151,255,.4);border-radius:16px;color:var(--muted);font-size:14px;line-height:1.75;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
.wip-strip strong{color:var(--brand-soft)}
.work-card{border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.018));display:flex;flex-direction:column;gap:14px;min-height:350px}
.tag{align-self:flex-start;padding:5px 11px;border-radius:999px;border:1px solid rgba(126,151,255,.45);color:var(--brand-soft);font-size:12px;letter-spacing:.08em}
.work-card h3{font-size:21px}.work-card p{color:var(--muted);font-size:14px;line-height:1.85;flex:1}
.fact{padding:11px 14px;border-radius:12px;background:rgba(48,80,240,.1);border:1px solid rgba(126,151,255,.25);color:var(--brand-soft);font-size:13px;line-height:1.7}
.status{color:#8b96a8;font-size:13px}
.work-link{color:var(--brand-bright);font-size:14px;font-weight:700;text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.work-link:hover{text-decoration:underline}
.work-card.featured{border-color:rgba(126,151,255,.6);background:linear-gradient(180deg,rgba(48,80,240,.18),rgba(255,255,255,.02))}
.about-band{border:1px solid var(--line);border-radius:28px;padding:38px;background:linear-gradient(120deg,rgba(48,80,240,.14),rgba(126,151,255,.08),rgba(255,255,255,.025));display:grid;grid-template-columns:.8fr 1.2fr;gap:36px;align-items:center}
.about-band p{color:var(--muted);line-height:1.95;font-size:15px}
.mascot-figure{margin:24px 0 0;width:min(248px,72vw);display:flex;flex-direction:column;align-items:center;border-radius:24px;background:radial-gradient(circle at 50% 38%,rgba(91,140,255,.16),rgba(255,255,255,.025) 68%);background-image:url("logo-b.png");background-repeat:no-repeat;background-position:center;background-size:76px}
.mascot-figure img{width:100%;height:auto;object-fit:contain;display:block;filter:drop-shadow(0 18px 24px rgba(0,0,0,.35));animation:mascotFloat 4.5s ease-in-out infinite}
@keyframes mascotFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
@media (prefers-reduced-motion:reduce){.mascot-figure img{animation:none}}
@media (max-width:980px){.mascot-figure{margin-left:auto;margin-right:auto}.contact-mascot{align-items:flex-start}}
.qr-card img.qr-wordmark{width:212px;max-width:100%;height:auto;margin:0 auto 18px}
.contact-mascot{display:flex;align-items:center;gap:14px;margin-top:20px;padding:12px 14px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.025)}
.contact-mascot .mascot-thumb{width:64px;height:64px;flex:0 0 auto;display:grid;place-items:center;border-radius:14px;background-image:url("logo-b.png");background-repeat:no-repeat;background-position:center;background-size:30px;background-color:rgba(255,255,255,.04)}
.contact-mascot .mascot-thumb img{width:64px;height:64px;object-fit:contain;display:block}
.contact-mascot p{margin:0!important;font-size:13px!important;line-height:1.7!important}
.contact-grid{display:grid;grid-template-columns:1fr 360px;gap:22px;align-items:stretch}
.contact-copy{border:1px solid var(--line);border-radius:var(--radius);padding:34px;background:var(--panel)}
.contact-copy p{color:var(--muted);line-height:1.9;margin-top:14px;font-size:15px}
.contact-list{margin-top:24px;display:grid;gap:14px}.contact-list div{padding:15px 16px;border-radius:14px;background:rgba(255,255,255,.035);color:#dbe3ef;font-size:14px;line-height:1.7}
.qr-card{border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:#fff;color:#111827;text-align:center}
.qr-card img{width:218px;max-width:100%;height:auto;display:block;margin:0 auto}
.qr-card strong{display:block;margin-top:16px;font-size:17px}.qr-card p{color:#64748b;font-size:13px;line-height:1.7;margin-top:7px}
footer{border-top:1px solid var(--line);margin-top:20px;padding:34px 0 38px;color:var(--muted);font-size:13px}
.footer-main{display:flex;justify-content:space-between;gap:28px;flex-wrap:wrap;line-height:1.9}
.footer-links{display:flex;gap:20px;flex-wrap:wrap}.footer-links a{text-decoration:none}.footer-links a:hover{color:var(--brand-bright)}
.icp{margin-top:18px;padding-top:18px;border-top:1px solid rgba(148,163,184,.12);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.icp a{color:var(--muted);text-decoration:none}.icp a:hover{color:var(--brand-bright);text-decoration:underline}.beian-record{display:inline-flex;align-items:center;gap:6px}.gongan-icon{width:18px;height:18px;flex:0 0 auto;display:block}

/* ---- 改版新增组件 ---- */
.track-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:34px}
.track-card{display:block;padding:18px;border:1px solid rgba(126,151,255,.35);border-radius:16px;background:rgba(48,80,240,.08);text-decoration:none;transition:transform .18s ease,border-color .18s ease,background .18s ease}
.track-card:hover{transform:translateY(-3px);border-color:rgba(126,151,255,.7);background:rgba(48,80,240,.14)}
.track-card strong{display:flex;align-items:center;justify-content:space-between;font-size:16px}
.track-card strong i{font-style:normal;color:var(--brand-bright)}
.track-card span{display:block;margin-top:7px;font-size:13px;color:var(--muted);line-height:1.65}
.hero-mascot{display:flex;gap:14px;align-items:center;position:relative;z-index:1;padding:16px;border-radius:18px;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.07)}
.hero-mascot img{width:92px;height:92px;object-fit:contain;flex:0 0 auto}
.hero-mascot p{font-size:13.5px;line-height:1.75;color:var(--muted)}
.hero-mascot p strong{color:var(--text);display:block;font-size:14.5px;margin-bottom:2px}
.cta-strip{margin-top:26px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:22px 26px;border:1px solid rgba(126,151,255,.35);border-radius:20px;background:linear-gradient(120deg,rgba(48,80,240,.16),rgba(255,255,255,.02))}
.cta-strip strong{font-size:17px}.cta-strip p{color:var(--muted);font-size:13.5px;margin-top:4px;line-height:1.7}
.faq-list{display:grid;gap:12px;max-width:860px}
.faq-item{border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.025);overflow:hidden}
.faq-item summary{cursor:pointer;list-style:none;padding:18px 20px;font-size:15.5px;font-weight:650;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--brand-bright);font-size:20px;font-weight:400;flex:0 0 auto;transition:transform .2s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-a{padding:0 20px 18px;color:var(--muted);font-size:14px;line-height:1.85}
.qr-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:16px}
.qr-btn{appearance:none;border:1px solid rgba(48,80,240,.5);background:rgba(48,80,240,.07);color:#2440c9;font-size:13.5px;font-weight:650;padding:9px 16px;border-radius:999px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center}
.qr-btn:hover{background:rgba(48,80,240,.14)}
.qr-hint{color:#64748b;font-size:12.5px;line-height:1.7;margin-top:12px}
.qr-zoom{cursor:zoom-in}
.lightbox{position:fixed;inset:0;z-index:60;background:rgba(4,8,24,.88);display:none;place-items:center;padding:24px}
.lightbox.open{display:grid}
.lightbox figure{background:#fff;border-radius:22px;padding:26px;text-align:center;max-width:min(92vw,380px)}
.lightbox img{width:100%;height:auto;display:block}
.lightbox figcaption{color:#475569;font-size:13px;margin-top:12px;line-height:1.7}
.lightbox .qr-btn{margin-top:14px}
.back-top{position:fixed;right:22px;bottom:22px;z-index:40;width:56px;height:56px;border-radius:50%;border:1px solid rgba(126,151,255,.5);background:rgba(10,18,48,.92);display:grid;place-items:center;cursor:pointer;opacity:0;pointer-events:none;transform:translateY(10px);transition:opacity .25s ease,transform .25s ease;box-shadow:0 14px 30px rgba(0,0,0,.35)}
.back-top.show{opacity:1;pointer-events:auto;transform:none}
.back-top img{width:38px;height:38px;object-fit:contain}
.back-top:hover{border-color:var(--brand-bright)}
.about-values{display:grid;gap:12px;margin-top:22px}
.about-values div{padding:15px 17px;border-radius:14px;background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.05)}
.about-values strong{display:block;font-size:14.5px;margin-bottom:5px;color:var(--text)}
.about-values span{font-size:13.5px;color:var(--muted);line-height:1.75}
.org-facts{margin-top:22px;display:grid;gap:0;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.org-facts div{display:grid;grid-template-columns:92px 1fr;gap:12px;padding:11px 16px;font-size:13.5px;line-height:1.7;border-top:1px solid var(--line)}
.org-facts div:first-child{border-top:0}
.org-facts dt{color:var(--subtle)}.org-facts dd{color:var(--text)}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.btn,.track-card{transition:none}html{scroll-behavior:auto}}
@media(max-width:980px){
  .hero{grid-template-columns:1fr;padding-top:64px}.business-grid,.works-grid{grid-template-columns:1fr 1fr}.process{grid-template-columns:repeat(3,1fr)}.contact-grid,.about-band{grid-template-columns:1fr}.track-grid{grid-template-columns:1fr 1fr}.section-head{display:block}.section-desc{margin-top:14px}
}
@media(max-width:680px){
  .wrap{width:min(100% - 32px,1160px)} .nav{height:64px;gap:14px}.brand-name{font-size:15px}.brand-sub{display:none} nav{gap:14px;overflow-x:auto;scrollbar-width:none} nav::-webkit-scrollbar{display:none} nav a{font-size:13.5px;white-space:nowrap}.nav-cta{padding:8px 13px}.track-grid{grid-template-columns:1fr}
  .hero{padding:52px 0 46px}.hero-points,.business-grid,.works-grid,.process{grid-template-columns:1fr}.section{padding:50px 0}.business-card{min-height:auto}.about-band{padding:28px}.qr-card img{width:205px}
}