/* ═══════════════════════════════════════════════
   JiaShiZheng.online — diseño ES/中文
   ═══════════════════════════════════════════════ */
:root{
  --bg:#070b18;
  --bg-2:#0b1224;
  --ink:#eef2ff;
  --muted:#98a2c3;
  --line:rgba(255,255,255,.09);
  --glass:rgba(255,255,255,.045);
  --red:#e63946;
  --red-2:#ff5d6c;
  --gold:#ffb703;
  --gold-2:#ffd166;
  --green:#2ec4b6;
  --grad:linear-gradient(100deg,var(--red) 0%,#ff7a45 55%,var(--gold) 100%);
  --font:'Sora','Noto Sans SC',system-ui,-apple-system,'Microsoft YaHei',sans-serif;
  --r-lg:26px; --r-md:18px; --r-sm:12px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  overflow-x:hidden;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--red);color:#fff}
img,svg{max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.15;font-weight:800}
h2{font-size:clamp(1.7rem,4vw,2.6rem)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hidden{display:none!important}

/* ── fondo ─────────────────────────────── */
.bg-orbs{position:fixed;inset:0;z-index:-2;overflow:hidden;background:
  radial-gradient(1200px 800px at 85% -10%,rgba(230,57,70,.14),transparent 60%),
  radial-gradient(900px 700px at -10% 40%,rgba(255,183,3,.08),transparent 55%),
  var(--bg)}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;animation:drift 22s ease-in-out infinite alternate}
.orb-1{width:480px;height:480px;background:rgba(230,57,70,.28);top:-140px;right:-80px}
.orb-2{width:420px;height:420px;background:rgba(255,183,3,.16);bottom:8%;left:-160px;animation-duration:28s;animation-delay:-6s}
.orb-3{width:300px;height:300px;background:rgba(46,196,182,.14);top:45%;left:55%;animation-duration:19s;animation-delay:-12s}
@keyframes drift{
  0%{transform:translate(0,0) scale(1)}
  100%{transform:translate(60px,40px) scale(1.15)}
}
.bg-grid{position:absolute;inset:0;background-image:
  linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 30%,transparent 75%)}

/* ── nav ───────────────────────────────── */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;transition:.35s;padding:18px 0}
.nav.scrolled{padding:8px 0;background:rgba(7,11,24,.75);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1180px;margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem}
.seal{display:grid;place-items:center;width:40px;height:40px;border-radius:11px;background:var(--grad);color:#fff;
  font-family:'Noto Sans SC',serif;font-weight:900;font-size:1.35rem;
  box-shadow:0 6px 18px rgba(230,57,70,.45);transition:transform .3s}
.brand:hover .seal{transform:rotate(-8deg) scale(1.06)}
.brand-txt em{font-style:normal;color:var(--gold)}
.brand-txt small{color:var(--muted);font-weight:400;font-size:.7em;margin-left:2px}
.nav-links{display:flex;gap:26px;margin-left:auto}
.nav-links a{color:var(--muted);font-size:.94rem;position:relative;transition:color .25s}
.nav-links a:hover{color:var(--ink)}
.nav-links a::after{content:'';position:absolute;left:0;bottom:-5px;width:0;height:2px;background:var(--grad);border-radius:2px;transition:width .3s}
.nav-links a:hover::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:12px}
.lang-switch{display:flex;background:var(--glass);border:1px solid var(--line);border-radius:99px;padding:3px}
.lang-btn{border:0;background:transparent;color:var(--muted);font-family:var(--font);font-size:.82rem;font-weight:600;
  padding:5px 13px;border-radius:99px;cursor:pointer;transition:.25s}
.lang-btn.active{background:var(--grad);color:#fff;box-shadow:0 3px 10px rgba(230,57,70,.4)}
.nav-burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-burger span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}

/* ── botones ───────────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:var(--font);font-weight:700;
  border:0;cursor:pointer;border-radius:14px;padding:13px 26px;font-size:.98rem;position:relative;overflow:hidden;
  transition:transform .25s,box-shadow .25s;white-space:nowrap}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 28px rgba(230,57,70,.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(230,57,70,.55)}
.btn-gold{background:linear-gradient(100deg,var(--gold),#ff9e2c);color:#331b00;box-shadow:0 10px 28px rgba(255,183,3,.35)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,183,3,.5)}
.btn-glass{background:var(--glass);border:1px solid var(--line);color:var(--ink);backdrop-filter:blur(8px)}
.btn-glass:hover{background:rgba(255,255,255,.09);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--muted);border:1px solid var(--line)}
.btn-ghost:hover{color:var(--ink);border-color:rgba(255,255,255,.25)}
.btn-lg{padding:16px 32px;font-size:1.05rem;border-radius:16px}
.btn-sm{padding:9px 18px;font-size:.87rem}
.btn-block{width:100%}
.btn-arrow{transition:transform .25s}
.btn:hover .btn-arrow{transform:translateX(4px)}
.btn-primary::after,.btn-gold::after{content:'';position:absolute;top:0;left:-80%;width:50%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.35),transparent);transform:skewX(-20deg);transition:left .6s}
.btn-primary:hover::after,.btn-gold:hover::after{left:130%}

/* ── hero ──────────────────────────────── */
.hero{position:relative;padding:150px 24px 0;min-height:100svh;display:flex;flex-direction:column}
.hero-inner{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;flex:1}
.hero-badge{display:inline-flex;align-items:center;gap:9px;background:var(--glass);border:1px solid var(--line);
  padding:8px 16px;border-radius:99px;font-size:.85rem;color:var(--muted);backdrop-filter:blur(8px);margin-bottom:22px}
.dot-pulse{width:8px;height:8px;border-radius:50%;background:var(--green);position:relative}
.dot-pulse::after{content:'';position:absolute;inset:-4px;border-radius:50%;border:2px solid var(--green);animation:pulse 1.8s ease-out infinite}
@keyframes pulse{0%{transform:scale(.5);opacity:1}100%{transform:scale(1.6);opacity:0}}
.hero-title{font-size:clamp(2.3rem,5.2vw,4rem);letter-spacing:-.02em}
.hero-zh{display:block;font-family:'Noto Sans SC',var(--font);font-weight:900;font-size:.62em;color:var(--gold);margin-top:10px;opacity:.95}
.hero-sub{color:var(--muted);font-size:1.08rem;max-width:520px;margin:22px 0 30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-trust{display:flex;align-items:center;gap:14px;margin-top:34px;color:var(--muted);font-size:.88rem}
.avatars{display:flex}
.avatars span{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-family:'Noto Sans SC';font-weight:700;
  font-size:.85rem;color:#fff;border:2px solid var(--bg);margin-left:-8px}
.avatars span:first-child{margin-left:0}
.avatars span:nth-child(1){background:#e63946}.avatars span:nth-child(2){background:#f4a261}
.avatars span:nth-child(3){background:#2a9d8f}.avatars span:nth-child(4){background:#7c5cff}

/* mockup móvil */
.hero-visual{position:relative;display:flex;justify-content:center}
.phone{width:288px;background:#10162e;border:1px solid rgba(255,255,255,.14);border-radius:38px;padding:12px;
  box-shadow:0 40px 90px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.04) inset;
  animation:floaty 6s ease-in-out infinite;position:relative;z-index:2;transform:rotate(3deg)}
@keyframes floaty{0%,100%{transform:rotate(3deg) translateY(0)}50%{transform:rotate(3deg) translateY(-14px)}}
.phone-notch{width:110px;height:22px;background:#070b18;border-radius:0 0 16px 16px;margin:-12px auto 8px}
.phone-screen{background:linear-gradient(170deg,#0d1430,#0a0f22);border-radius:26px;padding:18px 16px;min-height:430px}
.ps-top{display:flex;justify-content:space-between;font-size:.78rem;color:var(--muted);margin-bottom:10px}
.ps-timer{color:var(--gold)}
.ps-progress{height:6px;background:rgba(255,255,255,.08);border-radius:99px;overflow:hidden;margin-bottom:16px}
.ps-progress i{display:block;height:100%;width:40%;background:var(--grad);border-radius:99px;animation:progressDemo 8s ease-in-out infinite}
@keyframes progressDemo{0%{width:20%}50%{width:72%}100%{width:20%}}
.ps-question{font-family:'Noto Sans SC',var(--font);font-size:.95rem;font-weight:700;line-height:1.5;margin-bottom:16px}
.ps-question small{display:block;color:var(--muted);font-weight:400;font-size:.78em;margin-top:6px}
.ps-opt{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.05);border:1px solid var(--line);
  border-radius:13px;padding:11px 13px;font-size:.85rem;margin-bottom:9px;transition:.3s}
.ps-opt b{display:grid;place-items:center;width:24px;height:24px;border-radius:8px;background:rgba(255,255,255,.09);font-size:.75rem;flex-shrink:0}
.ps-opt.ok{border-color:var(--green);background:rgba(46,196,182,.12);animation:optPop 8s ease-in-out infinite}
.ps-opt.ok b{background:var(--green);color:#04211d}
.ps-opt .tick{margin-left:auto;color:var(--green);font-weight:800}
@keyframes optPop{0%,40%{transform:scale(1)}46%{transform:scale(1.04)}52%,100%{transform:scale(1)}}
.ps-score{margin-top:18px;text-align:center}
.ps-score span{display:inline-block;background:rgba(46,196,182,.14);color:var(--green);border:1px solid rgba(46,196,182,.4);
  padding:7px 18px;border-radius:99px;font-size:.82rem;font-weight:700}
.float-chip{position:absolute;background:rgba(16,22,46,.88);border:1px solid var(--line);backdrop-filter:blur(8px);
  padding:9px 16px;border-radius:14px;font-weight:700;font-size:.88rem;box-shadow:0 14px 30px rgba(0,0,0,.4);z-index:3;
  animation:floaty2 5s ease-in-out infinite}
.chip-1{top:12%;left:2%;color:var(--gold);animation-delay:-1s}
.chip-2{bottom:24%;left:-4%;color:var(--red-2);animation-delay:-2.5s}
.chip-3{top:32%;right:-2%;animation-delay:-4s}
@keyframes floaty2{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* semáforo */
.traffic-light{position:absolute;top:-4%;right:6%;z-index:1;background:#10162e;border:1px solid var(--line);border-radius:14px;
  padding:10px 8px;display:flex;flex-direction:column;gap:8px;box-shadow:0 14px 30px rgba(0,0,0,.45)}
.tl{width:18px;height:18px;border-radius:50%;background:rgba(255,255,255,.08)}
.tl-r{animation:tlR 6s steps(1) infinite}
.tl-a{animation:tlA 6s steps(1) infinite}
.tl-g{animation:tlG 6s steps(1) infinite}
@keyframes tlR{0%,45%{background:#ff3b47;box-shadow:0 0 14px #ff3b47}50%,100%{background:rgba(255,255,255,.08);box-shadow:none}}
@keyframes tlA{0%,45%{background:rgba(255,255,255,.08)}46%,55%{background:var(--gold);box-shadow:0 0 14px var(--gold)}56%,100%{background:rgba(255,255,255,.08)}}
@keyframes tlG{0%,55%{background:rgba(255,255,255,.08)}56%,100%{background:#3ddc84;box-shadow:0 0 14px #3ddc84}}

/* carretera */
.road{position:relative;height:90px;margin-top:40px;border-top:2px solid rgba(255,255,255,.14);
  background:linear-gradient(180deg,rgba(255,255,255,.03),transparent)}
.road-line{position:absolute;top:42px;left:0;right:0;height:4px;
  background:repeating-linear-gradient(90deg,var(--gold) 0 46px,transparent 46px 96px);
  opacity:.55;animation:roadMove 1.2s linear infinite}
@keyframes roadMove{to{transform:translateX(-96px)}}
.car{position:absolute;bottom:26px;left:-140px;animation:carDrive 14s linear infinite;filter:drop-shadow(0 10px 14px rgba(230,57,70,.35))}
@keyframes carDrive{0%{left:-140px}100%{left:105%}}

/* ── stats ─────────────────────────────── */
.stats{border-block:1px solid var(--line);background:rgba(255,255,255,.02);backdrop-filter:blur(6px)}
.stats-inner{max-width:1180px;margin:0 auto;padding:38px 24px;display:grid;grid-template-columns:repeat(4,1fr);gap:26px;text-align:center}
.stat b{display:block;font-size:clamp(1.7rem,3.4vw,2.5rem);font-weight:800;background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:var(--muted);font-size:.9rem}

/* ── secciones ─────────────────────────── */
.section{max-width:1180px;margin:0 auto;padding:110px 24px 20px}
.section-head{text-align:center;max-width:640px;margin:0 auto 54px}
.kicker{display:inline-block;font-size:.82rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--gold);background:rgba(255,183,3,.08);border:1px solid rgba(255,183,3,.25);
  padding:6px 16px;border-radius:99px;margin-bottom:18px}
.section-head p{color:var(--muted);margin-top:14px}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 26px;
  backdrop-filter:blur(8px);transition:transform .35s,border-color .35s,box-shadow .35s;position:relative;overflow:hidden}
.card::before{content:'';position:absolute;inset:0;background:radial-gradient(400px 200px at var(--mx,50%) var(--my,0%),rgba(255,255,255,.06),transparent 60%);opacity:0;transition:opacity .35s}
.card:hover{transform:translateY(-8px);border-color:rgba(255,255,255,.2);box-shadow:0 24px 50px rgba(0,0,0,.45)}
.card:hover::before{opacity:1}
.card-ico{width:56px;height:56px;display:grid;place-items:center;font-size:1.6rem;border-radius:16px;
  background:linear-gradient(140deg,rgba(230,57,70,.18),rgba(255,183,3,.12));border:1px solid var(--line);margin-bottom:18px}
.card h3{font-size:1.12rem;margin-bottom:10px}
.card p{color:var(--muted);font-size:.92rem}

/* steps */
.steps{display:grid;grid-template-columns:1fr 60px 1fr 60px 1fr;align-items:stretch;gap:0}
.step{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);padding:34px 28px;text-align:center;
  backdrop-filter:blur(8px);transition:transform .35s,border-color .35s}
.step:hover{transform:translateY(-6px);border-color:rgba(255,183,3,.4)}
.step-num{width:52px;height:52px;margin:0 auto 16px;display:grid;place-items:center;border-radius:50%;
  background:var(--grad);font-weight:800;font-size:1.25rem;color:#fff;box-shadow:0 8px 22px rgba(230,57,70,.45)}
.step h3{margin-bottom:8px;font-size:1.08rem}
.step p{color:var(--muted);font-size:.9rem}
.step-link{position:relative}
.step-link::after{content:'';position:absolute;top:50%;left:8px;right:8px;height:2px;
  background:repeating-linear-gradient(90deg,var(--gold) 0 8px,transparent 8px 16px);opacity:.5;animation:roadMove 1.6s linear infinite}

/* ── auth ──────────────────────────────── */
.auth-wrap{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
  background:linear-gradient(150deg,rgba(230,57,70,.10),rgba(255,183,3,.05) 60%,transparent);
  border:1px solid var(--line);border-radius:32px;padding:52px;backdrop-filter:blur(10px)}
.auth-side h2{margin-bottom:16px}
.auth-side p{color:var(--muted)}
.auth-perks{list-style:none;margin-top:24px;display:grid;gap:12px}
.auth-perks li{color:var(--ink);font-weight:600;font-size:.95rem}
.auth-card{background:rgba(10,15,34,.75);border:1px solid var(--line);border-radius:24px;padding:30px;backdrop-filter:blur(14px);
  box-shadow:0 30px 70px rgba(0,0,0,.45)}
.auth-tabs{display:flex;background:rgba(255,255,255,.05);border-radius:14px;padding:4px;margin-bottom:24px}
.auth-tab{flex:1;border:0;background:transparent;color:var(--muted);font-family:var(--font);font-weight:700;font-size:.92rem;
  padding:10px;border-radius:11px;cursor:pointer;transition:.25s}
.auth-tab.active{background:var(--grad);color:#fff;box-shadow:0 4px 14px rgba(230,57,70,.4)}
.auth-form{display:grid;gap:16px}
.field{position:relative}
.field input{width:100%;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:13px;
  padding:11px 16px 11px;padding-top:22px;color:var(--ink);font-family:var(--font);font-size:.95rem;outline:none;transition:.25s}
.field input:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(255,183,3,.15)}
.field label{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:.92rem;
  pointer-events:none;transition:.2s}
.field input:focus+label,.field input:not(:placeholder-shown)+label{top:13px;font-size:.68rem;color:var(--gold);letter-spacing:.04em}
.form-msg{font-size:.88rem;min-height:1.3em;text-align:center}
.form-msg.err{color:var(--red-2)}
.form-msg.ok{color:var(--green)}

/* ── download ──────────────────────────── */
.dl-wrap{position:relative;display:grid;grid-template-columns:1.3fr .7fr;gap:30px;align-items:center;overflow:hidden;
  background:linear-gradient(140deg,#131b3a,#0d1226);border:1px solid var(--line);border-radius:32px;padding:56px}
.dl-glow{position:absolute;width:420px;height:420px;border-radius:50%;background:rgba(255,183,3,.14);
  filter:blur(90px);right:-100px;top:-120px;animation:drift 18s ease-in-out infinite alternate}
.dl-copy{position:relative;z-index:1}
.dl-copy h2{margin-bottom:14px}
.dl-copy p{color:var(--muted);max-width:480px;margin-bottom:26px}
.dl-note{font-size:.82rem!important;margin-top:16px!important;opacity:.75}
.dl-android{display:grid;place-items:center;position:relative;z-index:1}
.dl-android svg{filter:drop-shadow(0 16px 40px rgba(61,220,132,.35));animation:floaty2 5s ease-in-out infinite}

/* ── footer ────────────────────────────── */
.footer{margin-top:120px;border-top:1px solid var(--line);background:rgba(255,255,255,.02)}
.footer-inner{max-width:1180px;margin:0 auto;padding:44px 24px;text-align:center;display:grid;gap:14px;justify-items:center}
.footer p{color:var(--muted);font-size:.9rem}
.foot-legal{font-size:.78rem!important;opacity:.6}

/* ── reveal on scroll ──────────────────── */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.65,.3,1) var(--d,0s),transform .8s cubic-bezier(.2,.65,.3,1) var(--d,0s)}
.reveal.in{opacity:1;transform:none}

/* ── responsive ────────────────────────── */
@media(max-width:960px){
  .hero-inner{grid-template-columns:1fr;text-align:center}
  .hero-copy{display:flex;flex-direction:column;align-items:center}
  .hero-visual{margin-top:30px}
  .cards{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr;gap:18px}
  .step-link{display:none}
  .auth-wrap{grid-template-columns:1fr;padding:34px 24px}
  .dl-wrap{grid-template-columns:1fr;padding:40px 28px;text-align:center}
  .dl-copy p{margin-inline:auto}
  .stats-inner{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
}
@media(max-width:600px){
  .cards{grid-template-columns:1fr}
  .nav-actions .btn-ghost{display:none}
  .hero{padding-top:120px}
  .float-chip{display:none}
  .traffic-light{display:none}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}