:root{
  --bg:#FBF8F3;
  --bg-alt:#E6F0F1;
  --card:#FFFFFF;
  --teal:#146E80;
  --teal-l:#20919E;
  --teal-d:#0C5364;
  --ink:#0E2A33;
  --txt:#25313A;
  --muted:#6E7B85;
  --coral:#EF7C4B;
  --coral-d:#CF5F2C;
  --gold:#E7B44A;
  --line:#D3E1E3;
  --notch:#FBF8F3;
  --w:1160px;
  --r:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--txt);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.78;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal);text-decoration:none}
a:hover{color:var(--coral)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 14px}
h1,h2,h3,h4{margin:0;line-height:1.35;color:var(--ink);font-weight:700}
.wrap{max-width:var(--w);margin:0 auto;padding:0 22px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(135deg,var(--coral),var(--coral-d));
  color:#FFFFFF;font-weight:700;font-size:16px;letter-spacing:.4px;
  padding:13px 26px;border-radius:12px;border:2px solid transparent;
  box-shadow:0 10px 22px rgba(207,95,44,.24);transition:transform .18s ease,box-shadow .18s ease;
}
.btn:hover{color:#FFFFFF;transform:translateY(-2px);box-shadow:0 14px 26px rgba(207,95,44,.3)}
.btn--sm{padding:9px 18px;font-size:15px;border-radius:10px;box-shadow:none}
.btn--ghost{
  background:transparent;color:var(--teal);border-color:var(--teal);
  box-shadow:none;
}
.btn--ghost:hover{color:var(--teal-d);border-color:var(--teal-d);transform:translateY(-2px)}

.top{position:sticky;top:0;z-index:40;background:rgba(251,248,243,.94);border-bottom:2px solid var(--line);backdrop-filter:blur(8px)}
.top__in{max-width:var(--w);margin:0 auto;padding:12px 22px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand img{width:44px;height:44px;border-radius:11px}
.brand__name{font-size:21px;font-weight:800;letter-spacing:1.5px;color:var(--ink)}
.brand:hover .brand__name{color:var(--teal)}
.nav{display:flex;align-items:center;gap:8px;flex:1 1 auto;min-width:0;flex-wrap:nowrap;overflow-x:auto}
.nav a{padding:7px 14px;border-radius:9px;color:var(--txt);font-size:15px;font-weight:600;white-space:nowrap}
.nav a:hover{background:var(--bg-alt);color:var(--teal)}
.nav a[aria-current="page"]{background:var(--teal);color:#FFFFFF}
.top .btn{color:#FFFFFF;flex:0 0 auto}
.top .btn:hover{color:#FFFFFF}

.hero{position:relative;overflow:hidden;background:linear-gradient(132deg,#FFFFFF 0%,#EEF6F7 46%,#DDEDEF 100%)}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:linear-gradient(90deg,var(--teal),var(--coral),var(--gold))}
.hero::before{content:"";position:absolute;right:-140px;top:-120px;width:400px;height:400px;border-radius:50%;border:26px solid rgba(20,110,128,.12)}
.hero__in{position:relative;z-index:1;max-width:var(--w);margin:0 auto;display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center;padding:58px 22px 66px}
.kicker{display:inline-block;margin:0 0 14px;padding:5px 14px;border-radius:999px;background:rgba(20,110,128,.1);color:var(--teal-d);font-size:13px;font-weight:700;letter-spacing:1.2px}
.hero h1{font-size:42px;letter-spacing:1px;margin-bottom:16px}
.lead{font-size:16.5px;color:#3B4A54;margin:0 0 22px}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.cta-note{margin:0;color:var(--muted);font-size:14px}
.hero__shot{max-width:320px;margin:0 auto;padding:12px;background:#FFFFFF;border:2px solid var(--teal);border-radius:26px;box-shadow:0 22px 46px rgba(14,42,51,.16)}
.hero__shot img{width:100%;height:auto;border-radius:16px}

.chans{background:var(--ink);color:#D9E7E9}
.chans .wrap{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:16px 22px}
.chans b{color:#FFFFFF;font-size:14px;letter-spacing:1px;margin-right:6px}
.chans span{padding:5px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.24);font-size:14px}
.chans span.on{background:var(--teal-l);border-color:var(--teal-l);color:#FFFFFF;font-weight:700}

.sec{padding:66px 0}
.sec--alt{background:var(--bg-alt);--notch:#E6F0F1}
.sec__h{font-size:28px;letter-spacing:.6px;margin-bottom:10px}
.sec__h::before{content:"";display:inline-block;width:13px;height:13px;border-radius:50%;border:4px solid var(--teal);margin-right:11px;vertical-align:middle}
.sec__sub{color:var(--muted);font-size:15px;margin:0 0 34px}
.rule{height:0;border-top:2px dotted var(--line);margin:44px 0}

.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:42px 0 0}
.fact{background:#FFFFFF;border-radius:var(--r);padding:20px 20px 18px;border-top:5px solid var(--teal);box-shadow:0 14px 32px rgba(14,42,51,.1)}
.fact h3{font-size:16px;margin-bottom:6px}
.fact p{margin:0;font-size:14.5px;color:var(--muted)}

.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

.card{
  position:relative;overflow:hidden;
  background:linear-gradient(#FFFFFF,#FFFFFF) padding-box,linear-gradient(140deg,var(--teal-l),var(--teal-d)) border-box;
  border:2px solid transparent;border-radius:var(--r);
  padding:30px 24px 24px;box-shadow:0 12px 30px rgba(14,42,51,.08);
}
.card::before{content:"";position:absolute;left:0;right:0;top:0;height:6px;background:linear-gradient(90deg,var(--teal),var(--coral))}
.card h3{font-size:19px;margin-bottom:10px;position:relative;padding-left:17px}
.card h3::before{content:"";position:absolute;left:0;top:6px;width:10px;height:10px;border-radius:3px;background:var(--coral)}
.card p{font-size:15px;color:#3B4A54;margin-bottom:0}
.card p + p{margin-top:10px}
.card ul{margin-top:6px}
.card ul li{position:relative;padding-left:18px;font-size:15px;color:#3B4A54;margin-bottom:7px}
.card ul li::before{content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;border-radius:50%;background:var(--gold)}

.shots{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.shot{background:#FFFFFF;border-radius:var(--r);padding:14px;box-shadow:0 12px 28px rgba(14,42,51,.09)}
.shot img{width:100%;height:auto;border-radius:12px;border:1px solid var(--line)}
.shot figcaption{margin-top:12px;font-size:14.5px;color:var(--muted);text-align:center}
.shot figcaption b{display:block;color:var(--ink);font-size:16px;margin-bottom:3px}

.wide{max-width:400px;margin:0 auto}
.wide img{width:100%;height:auto;border-radius:16px;border:1px solid var(--line)}
.wide figcaption{margin-top:12px;font-size:14.5px;color:var(--muted);text-align:center}

.steps{counter-reset:st;display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.steps li{position:relative;background:#FFFFFF;border-radius:var(--r);padding:24px 22px 22px 74px;box-shadow:0 10px 26px rgba(14,42,51,.08)}
.steps li::before{
  counter-increment:st;content:counter(st);
  position:absolute;left:20px;top:22px;width:38px;height:38px;border-radius:50%;
  border:2px solid var(--teal);color:var(--teal);background:#F4FAFB;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;
}
.steps li h3{font-size:17.5px;margin-bottom:8px}
.steps li p{margin:0;font-size:15px;color:#3B4A54}

.words{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.word{background:#FFFFFF;border-radius:var(--r);padding:26px 24px;box-shadow:0 10px 26px rgba(14,42,51,.08);border-left:6px solid var(--teal)}
.word p{font-size:15.5px;color:#333F48}
.word .who{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:14px;color:var(--muted)}
.word .who i{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--teal-l),var(--teal-d));color:#fff;font-style:normal;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:15px}
.stars{color:var(--gold);letter-spacing:2px;margin-bottom:10px;font-size:15px}

.faq details{background:#FFFFFF;border-radius:14px;margin-bottom:12px;box-shadow:0 8px 22px rgba(14,42,51,.07)}
.faq summary{cursor:pointer;padding:18px 22px;font-weight:700;color:var(--ink);font-size:16.5px;list-style:none;position:relative;padding-right:52px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:22px;top:15px;color:var(--teal);font-size:22px;font-weight:700}
.faq details[open] summary::after{content:"–"}
.faq .ans{padding:0 22px 20px;font-size:15px;color:#3B4A54}
.faq .ans p:last-child{margin-bottom:0}

.entry{background:#FFFFFF;border-radius:var(--r);padding:26px 22px;box-shadow:0 10px 26px rgba(14,42,51,.08);display:block}
.entry h3{font-size:18px;margin-bottom:8px;color:var(--ink)}
.entry p{font-size:14.5px;color:var(--muted);margin:0 0 12px}
.entry span{font-size:14.5px;font-weight:700;color:var(--teal)}
.entry:hover{transform:translateY(-3px);transition:transform .18s ease}
.entry:hover h3{color:var(--teal)}

.cta{background:linear-gradient(135deg,var(--ink) 0%,#123A46 100%);color:#D8E7E9;padding:62px 0}
.cta h2{color:#FFFFFF;font-size:28px;margin-bottom:12px}
.cta p{color:#B9CFD3;max-width:640px}
.cta__row{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}
.cta .btn{color:#FFFFFF}
.cta .btn:hover{color:#FFFFFF}
.cta .btn--ghost{color:#FFFFFF;border-color:rgba(255,255,255,.6);background:transparent}
.cta .btn--ghost:hover{color:#FFFFFF;border-color:#FFFFFF}

.foot{background:#0A1E24;color:#9FB8BC;padding:52px 0 30px;font-size:14.5px}
.foot__in{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
.foot h4{color:#FFFFFF;font-size:16px;margin-bottom:14px}
.foot a{color:#9FB8BC}
.foot a:hover{color:#FFFFFF}
.foot li{margin-bottom:9px}
.disc{margin-top:30px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);color:#8AA3A8;font-size:13.5px}
.copy{margin-top:14px;color:#6E8A8F;font-size:13.5px}

.page-hero{background:linear-gradient(132deg,#FFFFFF,#E9F3F4);padding:52px 0 46px;border-bottom:2px solid var(--line)}
.page-hero h1{font-size:34px;letter-spacing:.8px;margin-bottom:18px}
.page-hero .lead{margin-bottom:0;max-width:900px}
.crumb{font-size:14px;color:var(--muted);margin-bottom:14px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--teal)}

.prose{max-width:900px}
.prose h2{font-size:24px;margin:40px 0 14px;position:relative;padding-left:16px}
.prose h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:6px;border-radius:3px;background:linear-gradient(180deg,var(--teal),var(--coral))}
.prose h3{font-size:18.5px;margin:26px 0 10px;color:var(--ink)}
.prose p{font-size:16px}
.prose ul{margin:0 0 16px}
.prose ul li{position:relative;padding-left:20px;margin-bottom:9px;font-size:16px}
.prose ul li::before{content:"";position:absolute;left:3px;top:12px;width:7px;height:7px;border-radius:50%;background:var(--coral)}
.note{background:#FFFFFF;border-left:6px solid var(--gold);border-radius:12px;padding:20px 22px;margin:22px 0;box-shadow:0 8px 20px rgba(14,42,51,.06);font-size:15.5px}
.note b{color:var(--ink)}

.rise{animation:ink .6s cubic-bezier(.2,.75,.3,1) both;animation-delay:calc(var(--i,0)*70ms)}
@keyframes ink{
  from{opacity:0;transform:translateY(18px) scale(.985);filter:blur(5px) contrast(1.12)}
  to{opacity:1;transform:none;filter:none}
}
@media (prefers-reduced-motion:reduce){
  .rise{animation:none;opacity:1;transform:none;filter:none}
  html{scroll-behavior:auto}
}

@media (max-width:980px){
  .hero h1{font-size:34px}
  .hero__in{grid-template-columns:1fr;gap:34px;padding:46px 22px 54px}
  .hero__shot{max-width:300px}
  .facts{grid-template-columns:repeat(2,1fr);padding-top:34px}
  .grid3,.grid4,.words,.shots{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .foot__in{grid-template-columns:1fr 1fr}
  .page-hero h1{font-size:29px}
  .sec__h{font-size:25px}
}
@media (max-width:620px){
  body{font-size:15.5px}
  .top__in{flex-wrap:wrap;gap:10px;padding:10px 16px}
  .brand{flex:1 1 auto}
  .brand img{width:38px;height:38px}
  .brand__name{font-size:19px}
  .nav{order:3;flex:1 1 100%;flex-wrap:nowrap;overflow-x:auto;gap:6px;padding-bottom:2px}
  .nav a{padding:6px 7px;font-size:13px}
  .wrap{padding:0 16px}
  .hero__in{padding:38px 16px 44px;gap:28px}
  .hero h1{font-size:29px}
  .hero__shot{max-width:270px;padding:9px;border-radius:22px}
  .facts{grid-template-columns:1fr;padding-top:28px}
  .sec{padding:48px 0}
  .grid2,.grid3,.grid4,.words,.shots{grid-template-columns:1fr}
  .card{padding:26px 18px 20px}
  .steps li{padding:22px 18px 20px 18px}
  .steps li::before{position:static;margin-bottom:12px}
  .cta h2{font-size:24px}
  .foot__in{grid-template-columns:1fr}
  .page-hero{padding:38px 0 34px}
  .page-hero h1{font-size:25px}
  .prose h2{font-size:21px}
  .wide{max-width:320px}
}