:root{
  --sky:#e8f4fc;
  --cloud:#f7fbfe;
  --ink:#1a3348;
  --mute:#5f7a8f;
  --line:#c9dff0;
  --blue:#3b8fd4;
  --blue-deep:#1f6fb3;
  --sun:#f0b429;
  --font:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --display:"Verdana","Trebuchet MS","PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);font-family:var(--font);line-height:1.65;
  background:
    radial-gradient(ellipse 70% 45% at 50% -10%,rgba(59,143,212,.22),transparent 60%),
    radial-gradient(ellipse 40% 30% at 100% 20%,rgba(240,180,41,.12),transparent 50%),
    linear-gradient(180deg,#f4f9fd 0%,var(--sky) 45%,#dceef9 100%);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{width:min(1120px,92%);margin:0 auto}

.tr-top{
  position:sticky;top:0;z-index:40;
  background:rgba(247,251,254,.92);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.tr-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.85rem 0}
.brand{display:flex;align-items:center;gap:.7rem}
.brand-sun{
  width:2.2rem;height:2.2rem;border-radius:50%;
  background:linear-gradient(145deg,#ffe08a,var(--sun));
  box-shadow:0 0 0 4px rgba(240,180,41,.18),0 8px 16px rgba(31,111,179,.12);
  display:grid;place-items:center;color:#fff;font-weight:700;font-size:.85rem;
  background-image:linear-gradient(145deg,var(--blue),var(--blue-deep));
}
.brand b{display:block;font-family:var(--display);font-size:1.05rem;letter-spacing:.04em}
.brand small{display:block;font-size:.68rem;color:var(--mute);letter-spacing:.1em}
.nav{display:flex;flex-wrap:wrap;gap:.35rem 1rem;color:var(--mute);font-size:.9rem}
.nav a:hover,.nav a.on{color:var(--blue-deep)}
.nav-cta{
  padding:.45rem .95rem;border-radius:999px;background:var(--blue);color:#fff;
  font-size:.86rem;font-weight:600;white-space:nowrap;
}
.route{
  display:flex;flex-wrap:wrap;justify-content:center;gap:.35rem;align-items:center;
  padding:.5rem .8rem;border-top:1px solid var(--line);font-size:.74rem;color:var(--mute);
}
.route span{
  padding:.18rem .55rem;border-radius:999px;background:#fff;border:1px solid var(--line);
}
.route i{font-style:normal;color:var(--blue);opacity:.7}

.hero-tr{padding:2.5rem 0 2rem}
.hero-tr .hero-grid{
  display:grid;grid-template-columns:1.08fr .92fr;gap:1.8rem;align-items:center;
}
.sky-card{
  background:rgba(255,255,255,.82);border:1px solid var(--line);border-radius:28px;
  padding:1.55rem 1.45rem;box-shadow:0 18px 40px rgba(26,51,72,.07);
}
.soft-tag{
  display:inline-block;margin:0 0 .7rem;padding:.22rem .6rem;border-radius:999px;
  background:rgba(59,143,212,.12);border:1px solid rgba(59,143,212,.25);
  font-size:.74rem;color:var(--blue-deep);letter-spacing:.06em;
}
.hero-tr h1{
  margin:0 0 .65rem;font-family:var(--display);font-size:clamp(1.9rem,3.9vw,2.75rem);
  line-height:1.18;font-weight:700;color:#153047;
}
.lead{margin:0 0 1.15rem;color:var(--mute);max-width:34rem;font-size:1.02rem}
.actions{display:flex;flex-wrap:wrap;gap:.65rem;margin-bottom:1rem}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:9.3rem;padding:.72rem 1.15rem;border-radius:999px;
  font-family:var(--display);font-size:.94rem;
  border:1px solid transparent;cursor:pointer;
  white-space:nowrap;word-break:keep-all;writing-mode:horizontal-tb;
}
.btn-fill{background:var(--blue);color:#fff;border-color:var(--blue-deep);font-weight:700}
.btn-line{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-sun{background:var(--sun);color:#3a2a00;border-color:#d49a16;font-weight:700}
.btn:hover{filter:brightness(1.04)}
.req{display:grid;grid-template-columns:1fr 1fr;gap:.55rem}
.req p{
  margin:0;padding:.7rem .75rem;border-radius:16px;background:var(--sky);
  border:1px solid var(--line);font-size:.84rem;color:var(--mute);
}
.req b{display:block;color:var(--ink);margin-bottom:.12rem;font-family:var(--display)}
.hero-media{align-self:center}
.frame-tr{
  align-self:center;margin:0;padding:.4rem;overflow:visible;border-radius:24px;
  border:1px solid var(--line);background:linear-gradient(160deg,#fff,rgba(232,244,252,.75));
  box-shadow:0 16px 36px rgba(26,51,72,.08);
}
.hero-media img{
  display:block;width:100%;height:auto;object-fit:contain;object-position:center;
  margin:0;padding:0;min-height:0;max-height:none;clip-path:none;transform:none;
  border-radius:18px;
}

.sec{padding:2.7rem 0}
.sec-h{margin-bottom:1.3rem;max-width:40rem}
.sec-h .k{margin:0 0 .3rem;font-size:.72rem;color:var(--blue-deep);letter-spacing:.14em}
.sec-h h2{margin:0 0 .4rem;font-family:var(--display);font-size:clamp(1.35rem,2.4vw,1.9rem);color:#153047}
.sec-h p{margin:0;color:var(--mute)}

.dl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.85rem}
.dl-card{
  display:flex;flex-direction:column;background:rgba(255,255,255,.9);
  border:1px solid var(--line);border-radius:20px;padding:1.15rem 1rem;
  box-shadow:0 10px 26px rgba(26,51,72,.04);
}
.dl-card .os{margin:0 0 .5rem;font-family:var(--display);font-size:1.08rem;color:#153047}
.dl-card .row{margin:0 0 .18rem;font-size:.86rem;color:var(--mute)}
.dl-card .row b{color:var(--ink)}
.dl-card .btn{margin-top:auto;width:100%;margin-top:.95rem}

.feat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:.7rem}
.feat{
  background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:18px;padding:1rem .85rem;
}
.feat .ic{
  width:2.2rem;height:2.2rem;margin-bottom:.55rem;border-radius:50%;
  display:grid;place-items:center;color:#fff;font-size:.78rem;font-weight:700;
  background:linear-gradient(145deg,var(--blue),var(--blue-deep));
}
.feat:nth-child(3) .ic{background:linear-gradient(145deg,var(--sun),#e09a18)}
.feat h3{margin:0 0 .3rem;font-family:var(--display);font-size:1rem;color:#153047}
.feat p{margin:0;font-size:.86rem;color:var(--mute)}

.sol-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:1.15rem;align-items:start}
.sol-copy{
  background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:22px;
  padding:1.4rem 1.3rem;box-shadow:0 12px 30px rgba(26,51,72,.05);
}
.sol-copy h2{margin:0 0 .6rem;font-family:var(--display);font-size:1.4rem;color:#153047}
.sol-copy p{margin:0 0 .75rem;color:var(--mute)}
.ops{list-style:none;margin:1rem 0 0;padding:0;display:grid;gap:.4rem}
.ops li{
  padding:.55rem .7rem;border-radius:12px;background:var(--sky);border:1px solid var(--line);
  font-size:.88rem;color:var(--mute);
}
.ops strong{color:var(--blue-deep)}
.shots{display:grid;grid-template-columns:1fr 1fr;gap:.65rem}
.shots figure{margin:0;border-radius:16px;overflow:hidden;border:1px solid var(--line);background:#fff;padding:.3rem}
.shots img{width:100%;height:auto;object-fit:contain;object-position:center;border-radius:12px}

.trust{padding:2rem 0;text-align:center}
.trust-card{
  display:inline-block;padding:1.55rem 1.35rem;border-radius:24px;
  background:linear-gradient(145deg,#fff,rgba(232,244,252,.9));
  border:1px solid var(--line);box-shadow:0 12px 30px rgba(26,51,72,.05);min-width:min(100%,40rem);
}
.trust strong{display:block;font-family:var(--display);font-size:clamp(1.75rem,3.2vw,2.45rem);color:var(--blue-deep);margin-bottom:.25rem}
.trust .sub{color:var(--mute);margin-bottom:1rem}
.brands{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem}
.brands span{
  padding:.45rem .9rem;border-radius:999px;font-size:.88rem;
  background:#fff;border:1px solid var(--line);font-family:var(--display);
}

.split{display:grid;grid-template-columns:1.1fr .9fr;gap:1rem}
.panel{
  background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:20px;
  padding:1.15rem 1.1rem;box-shadow:0 8px 22px rgba(26,51,72,.04);
}
.panel h2{margin:0 0 .9rem;font-family:var(--display);font-size:1.22rem;color:#153047}
.news{list-style:none;margin:0;padding:0;display:grid;gap:.7rem}
.news li{padding-bottom:.7rem;border-bottom:1px dashed var(--line)}
.news time{display:block;font-size:.74rem;color:var(--blue-deep);margin-bottom:.2rem}
.news a{font-weight:650}.news a:hover{color:var(--blue-deep)}
.news p{margin:.25rem 0 0;font-size:.86rem;color:var(--mute)}
.faq details{border-bottom:1px solid var(--line);padding:.55rem 0}
.faq summary{cursor:pointer;font-weight:650;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+ ";color:var(--blue)}
.faq details[open] summary::before{content:"− "}
.faq p{margin:.4rem 0 0;color:var(--mute);font-size:.9rem}
.thumbs{display:grid;grid-template-columns:1fr 1fr 1fr;gap:.5rem;margin-top:1rem}
.thumbs figure{margin:0;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:#fff;padding:.25rem}
.thumbs img{width:100%;height:auto;object-fit:contain;border-radius:8px}

.cta-tr{padding:2.5rem 0 3.1rem}
.cta-box{
  text-align:center;max-width:42rem;margin:0 auto;padding:2rem 1.4rem;border-radius:26px;
  background:linear-gradient(145deg,rgba(59,143,212,.14),#fff 50%,rgba(240,180,41,.12));
  border:1px solid var(--line);
}
.cta-box h2{margin:0 0 .55rem;font-family:var(--display);font-size:clamp(1.35rem,2.6vw,1.95rem);color:#153047}
.cta-box > p{margin:0 0 1.1rem;color:var(--mute)}
.gains{list-style:none;margin:1rem 0 0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:.45rem}
.gains li{
  padding:.35rem .7rem;border-radius:999px;font-size:.8rem;color:var(--mute);
  background:#fff;border:1px solid var(--line);
}

.foot{padding:1.3rem 0 1.7rem;color:var(--mute);font-size:.86rem}
.foot-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.7rem;align-items:center}
.foot-links{display:flex;gap:1rem}
.foot-links a:hover{color:var(--blue-deep)}

@media (max-width:960px){
  .hero-tr .hero-grid,.sol-grid,.split,.dl-grid{grid-template-columns:1fr 1fr}
  .feat-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  .hero-tr .hero-grid,.sol-grid,.split,.dl-grid,.feat-grid,.shots,.thumbs,.req{grid-template-columns:1fr}
  .nav{display:none}
  .actions .btn{flex:1 1 100%}
}

.hero-tr .hero-grid{align-items:center}
.hero-tr .hero-media{align-self:center;margin:0;padding:0}
.hero-tr .frame-tr{align-self:center;margin:0;overflow:visible}
.hero-tr .hero-media img{
  display:block;width:100%;height:auto;object-fit:contain;object-position:center;
  margin:0;padding:0;min-height:0;max-height:none;clip-path:none;transform:none;
}